diff options
Diffstat (limited to 'drivers')
330 files changed, 3516 insertions, 4086 deletions
diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c index 55e4577b504c..f8fecfec5df9 100644 --- a/drivers/acpi/acpi_lpss.c +++ b/drivers/acpi/acpi_lpss.c @@ -234,11 +234,13 @@ static const struct lpss_device_desc lpt_sdio_dev_desc = { static const struct lpss_device_desc byt_pwm_dev_desc = { .flags = LPSS_SAVE_CTX, + .prv_offset = 0x800, .setup = byt_pwm_setup, }; static const struct lpss_device_desc bsw_pwm_dev_desc = { .flags = LPSS_SAVE_CTX | LPSS_NO_D3_DELAY, + .prv_offset = 0x800, .setup = bsw_pwm_setup, }; diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index bb94cf0731fe..442a9e24f439 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -2037,6 +2037,17 @@ static inline void acpi_ec_query_exit(void) } } +static const struct dmi_system_id acpi_ec_no_wakeup[] = { + { + .ident = "Thinkpad X1 Carbon 6th", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "20KGS3JF01"), + }, + }, + { }, +}; + int __init acpi_ec_init(void) { int result; @@ -2047,6 +2058,15 @@ int __init acpi_ec_init(void) if (result) return result; + /* + * Disable EC wakeup on following systems to prevent periodic + * wakeup from EC GPE. + */ + if (dmi_check_system(acpi_ec_no_wakeup)) { + ec_no_wakeup = true; + pr_debug("Disabling EC wakeup on suspend-to-idle\n"); + } + /* Drivers must be started after acpi_ec_query_init() */ dsdt_fail = acpi_bus_register_driver(&acpi_ec_driver); /* diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index af354047ac4b..fa0729c1e776 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -2339,6 +2339,7 @@ static bool is_zero_bvecs(struct bio_vec *bvecs, u32 bytes) static int rbd_obj_issue_copyup(struct rbd_obj_request *obj_req, u32 bytes) { unsigned int num_osd_ops = obj_req->osd_req->r_num_ops; + int ret; dout("%s obj_req %p bytes %u\n", __func__, obj_req, bytes); rbd_assert(obj_req->osd_req->r_ops[0].op == CEPH_OSD_OP_STAT); @@ -2353,6 +2354,11 @@ static int rbd_obj_issue_copyup(struct rbd_obj_request *obj_req, u32 bytes) if (!obj_req->osd_req) return -ENOMEM; + ret = osd_req_op_cls_init(obj_req->osd_req, 0, CEPH_OSD_OP_CALL, "rbd", + "copyup"); + if (ret) + return ret; + /* * Only send non-zero copyup data to save some I/O and network * bandwidth -- zero copyup data is equivalent to the object not @@ -2362,9 +2368,6 @@ static int rbd_obj_issue_copyup(struct rbd_obj_request *obj_req, u32 bytes) dout("%s obj_req %p detected zeroes\n", __func__, obj_req); bytes = 0; } - - osd_req_op_cls_init(obj_req->osd_req, 0, CEPH_OSD_OP_CALL, "rbd", - "copyup"); osd_req_op_cls_request_data_bvecs(obj_req->osd_req, 0, obj_req->copyup_bvecs, obj_req->copyup_bvec_count, @@ -3397,7 +3400,6 @@ static void cancel_tasks_sync(struct rbd_device *rbd_dev) { dout("%s rbd_dev %p\n", __func__, rbd_dev); - cancel_delayed_work_sync(&rbd_dev->watch_dwork); cancel_work_sync(&rbd_dev->acquired_lock_work); cancel_work_sync(&rbd_dev->released_lock_work); cancel_delayed_work_sync(&rbd_dev->lock_dwork); @@ -3415,6 +3417,7 @@ static void rbd_unregister_watch(struct rbd_device *rbd_dev) rbd_dev->watch_state = RBD_WATCH_STATE_UNREGISTERED; mutex_unlock(&rbd_dev->watch_mutex); + cancel_delayed_work_sync(&rbd_dev->watch_dwork); ceph_osdc_flush_notifies(&rbd_dev->rbd_client->client->osdc); } diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig index 410c30c42120..212f447938ae 100644 --- a/drivers/char/Kconfig +++ b/drivers/char/Kconfig @@ -81,7 +81,7 @@ config PRINTER corresponding drivers into the kernel. To compile this driver as a module, choose M here and read - <file:Documentation/parport.txt>. The module will be called lp. + <file:Documentation/admin-guide/parport.rst>. The module will be called lp. If you have several parallel ports, you can specify which ports to use with the "lp" kernel command line option. (Try "man bootparam" diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index a24a6afb50b6..9760b526ca31 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -6,7 +6,7 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * - * Standard functionality for the common clock API. See Documentation/clk.txt + * Standard functionality for the common clock API. See Documentation/driver-api/clk.rst */ #include <linux/clk.h> @@ -2747,7 +2747,7 @@ static int __clk_core_init(struct clk_core *core) goto out; } - /* check that clk_ops are sane. See Documentation/clk.txt */ + /* check that clk_ops are sane. See Documentation/driver-api/clk.rst */ if (core->ops->set_rate && !((core->ops->round_rate || core->ops->determine_rate) && core->ops->recalc_rate)) { diff --git a/drivers/clk/ingenic/cgu.h b/drivers/clk/ingenic/cgu.h index 542192376ebf..502bcbb61b04 100644 --- a/drivers/clk/ingenic/cgu.h +++ b/drivers/clk/ingenic/cgu.h @@ -194,7 +194,7 @@ struct ingenic_cgu { /** * struct ingenic_clk - private data for a clock - * @hw: see Documentation/clk.txt + * @hw: see Documentation/driver-api/clk.rst * @cgu: a pointer to the CGU data * @idx: the index of this clock in cgu->clock_info */ diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c index b451354735d3..08ba8473a284 100644 --- a/drivers/dma/dmaengine.c +++ b/drivers/dma/dmaengine.c @@ -38,7 +38,7 @@ * Each device has a channels list, which runs unlocked but is never modified * once the device is registered, it's just setup by the driver. * - * See Documentation/dmaengine.txt for more details + * See Documentation/driver-api/dmaengine for more details */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt diff --git a/drivers/firmware/efi/arm-init.c b/drivers/firmware/efi/arm-init.c index 80d1a885def5..b5214c143fee 100644 --- a/drivers/firmware/efi/arm-init.c +++ b/drivers/firmware/efi/arm-init.c @@ -193,7 +193,7 @@ static __init void reserve_regions(void) * uses its own memory map instead. */ memblock_dump_all(); - memblock_remove(0, (phys_addr_t)ULLONG_MAX); + memblock_remove(0, PHYS_ADDR_MAX); for_each_efi_memory_desc(md) { paddr = md->phys_addr; diff --git a/drivers/firmware/efi/efi-pstore.c b/drivers/firmware/efi/efi-pstore.c index 5a0fa939d70f..cfe87b465819 100644 --- a/drivers/firmware/efi/efi-pstore.c +++ b/drivers/firmware/efi/efi-pstore.c @@ -28,10 +28,9 @@ static int efi_pstore_close(struct pstore_info *psi) return 0; } -static inline u64 generic_id(unsigned long timestamp, - unsigned int part, int count) +static inline u64 generic_id(u64 timestamp, unsigned int part, int count) { - return ((u64) timestamp * 100 + part) * 1000 + count; + return (timestamp * 100 + part) * 1000 + count; } static int efi_pstore_read_func(struct efivar_entry *entry, @@ -42,7 +41,8 @@ static int efi_pstore_read_func(struct efivar_entry *entry, int i; int cnt; unsigned int part; - unsigned long time, size; + unsigned long size; + u64 time; if (efi_guidcmp(entry->var.VendorGuid, vendor)) return 0; @@ -50,7 +50,7 @@ static int efi_pstore_read_func(struct efivar_entry *entry, for (i = 0; i < DUMP_NAME_LEN; i++) name[i] = entry->var.VariableName[i]; - if (sscanf(name, "dump-type%u-%u-%d-%lu-%c", + if (sscanf(name, "dump-type%u-%u-%d-%llu-%c", &record->type, &part, &cnt, &time, &data_type) == 5) { record->id = generic_id(time, part, cnt); record->part = part; @@ -62,7 +62,7 @@ static int efi_pstore_read_func(struct efivar_entry *entry, else record->compressed = false; record->ecc_notice_size = 0; - } else if (sscanf(name, "dump-type%u-%u-%d-%lu", + } else if (sscanf(name, "dump-type%u-%u-%d-%llu", &record->type, &part, &cnt, &time) == 4) { record->id = generic_id(time, part, cnt); record->part = part; @@ -71,7 +71,7 @@ static int efi_pstore_read_func(struct efivar_entry *entry, record->time.tv_nsec = 0; record->compressed = false; record->ecc_notice_size = 0; - } else if (sscanf(name, "dump-type%u-%u-%lu", + } else if (sscanf(name, "dump-type%u-%u-%llu", &record->type, &part, &time) == 3) { /* * Check if an old format, @@ -250,9 +250,10 @@ static int efi_pstore_write(struct pstore_record *record) /* Since we copy the entire length of name, make sure it is wiped. */ memset(name, 0, sizeof(name)); - snprintf(name, sizeof(name), "dump-type%u-%u-%d-%lu-%c", + snprintf(name, sizeof(name), "dump-type%u-%u-%d-%lld-%c", record->type, record->part, record->count, - record->time.tv_sec, record->compressed ? 'C' : 'D'); + (long long)record->time.tv_sec, + record->compressed ? 'C' : 'D'); for (i = 0; i < DUMP_NAME_LEN; i++) efi_name[i] = name[i]; @@ -327,15 +328,15 @@ static int efi_pstore_erase(struct pstore_record *record) char name[DUMP_NAME_LEN]; int ret; - snprintf(name, sizeof(name), "dump-type%u-%u-%d-%lu", + snprintf(name, sizeof(name), "dump-type%u-%u-%d-%lld", record->type, record->part, record->count, - record->time.tv_sec); + (long long)record->time.tv_sec); ret = efi_pstore_erase_name(name); if (ret != -ENOENT) return ret; - snprintf(name, sizeof(name), "dump-type%u-%u-%lu", - record->type, record->part, record->time.tv_sec); + snprintf(name, sizeof(name), "dump-type%u-%u-%lld", + record->type, record->part, (long long)record->time.tv_sec); ret = efi_pstore_erase_name(name); return ret; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c index 8f6f45567bfa..305143fcc1ce 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c @@ -342,15 +342,12 @@ void get_local_mem_info(struct kgd_dev *kgd, mem_info->local_mem_size_public, mem_info->local_mem_size_private); - if (amdgpu_emu_mode == 1) { - mem_info->mem_clk_max = 100; - return; - } - if (amdgpu_sriov_vf(adev)) mem_info->mem_clk_max = adev->clock.default_mclk / 100; - else + else if (adev->powerplay.pp_funcs) mem_info->mem_clk_max = amdgpu_dpm_get_mclk(adev, false) / 100; + else + mem_info->mem_clk_max = 100; } uint64_t get_gpu_clock_counter(struct kgd_dev *kgd) @@ -367,13 +364,12 @@ uint32_t get_max_engine_clock_in_mhz(struct kgd_dev *kgd) struct amdgpu_device *adev = (struct amdgpu_device *)kgd; /* the sclk is in quantas of 10kHz */ - if (amdgpu_emu_mode == 1) - return 100; - if (amdgpu_sriov_vf(adev)) return adev->clock.default_sclk / 100; - - return amdgpu_dpm_get_sclk(adev, false) / 100; + else if (adev->powerplay.pp_funcs) + return amdgpu_dpm_get_sclk(adev, false) / 100; + else + return 100; } void get_cu_info(struct kgd_dev *kgd, struct kfd_cu_info *cu_info) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c index 1bcb2b247335..daa06e7c5bb7 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c @@ -569,7 +569,6 @@ static const struct amdgpu_px_quirk amdgpu_px_quirk_list[] = { { 0x1002, 0x6900, 0x1002, 0x0124, AMDGPU_PX_QUIRK_FORCE_ATPX }, { 0x1002, 0x6900, 0x1028, 0x0812, AMDGPU_PX_QUIRK_FORCE_ATPX }, { 0x1002, 0x6900, 0x1028, 0x0813, AMDGPU_PX_QUIRK_FORCE_ATPX }, - { 0x1002, 0x67DF, 0x1028, 0x0774, AMDGPU_PX_QUIRK_FORCE_ATPX }, { 0, 0, 0, 0, 0 }, }; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index 9c1d491d742e..82312a7bc6ad 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -522,6 +522,9 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p, struct amdgpu_bo_list_entry *e; struct list_head duplicates; unsigned i, tries = 10; + struct amdgpu_bo *gds; + struct amdgpu_bo *gws; + struct amdgpu_bo *oa; int r; INIT_LIST_HEAD(&p->validated); @@ -652,31 +655,36 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p, amdgpu_cs_report_moved_bytes(p->adev, p->bytes_moved, p->bytes_moved_vis); + if (p->bo_list) { - struct amdgpu_bo *gds = p->bo_list->gds_obj; - struct amdgpu_bo *gws = p->bo_list->gws_obj; - struct amdgpu_bo *oa = p->bo_list->oa_obj; struct amdgpu_vm *vm = &fpriv->vm; unsigned i; + gds = p->bo_list->gds_obj; + gws = p->bo_list->gws_obj; + oa = p->bo_list->oa_obj; for (i = 0; i < p->bo_list->num_entries; i++) { struct amdgpu_bo *bo = p->bo_list->array[i].robj; p->bo_list->array[i].bo_va = amdgpu_vm_bo_find(vm, bo); } + } else { + gds = p->adev->gds.gds_gfx_bo; + gws = p->adev->gds.gws_gfx_bo; + oa = p->adev->gds.oa_gfx_bo; + } - if (gds) { - p->job->gds_base = amdgpu_bo_gpu_offset(gds); - p->job->gds_size = amdgpu_bo_size(gds); - } - if (gws) { - p->job->gws_base = amdgpu_bo_gpu_offset(gws); - p->job->gws_size = amdgpu_bo_size(gws); - } - if (oa) { - p->job->oa_base = amdgpu_bo_gpu_offset(oa); - p->job->oa_size = amdgpu_bo_size(oa); - } + if (gds) { + p->job->gds_base = amdgpu_bo_gpu_offset(gds); + p->job->gds_size = amdgpu_bo_size(gds); + } + if (gws) { + p->job->gws_base = amdgpu_bo_gpu_offset(gws); + p->job->gws_size = amdgpu_bo_size(gws); + } + if (oa) { + p->job->oa_base = amdgpu_bo_gpu_offset(oa); + p->job->oa_size = amdgpu_bo_size(oa); } if (!r && p->uf_entry.robj) { diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 290e279abf0d..3317d1536f4f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -1730,6 +1730,18 @@ static int amdgpu_device_ip_late_set_cg_state(struct amdgpu_device *adev) } } } + + if (adev->powerplay.pp_feature & PP_GFXOFF_MASK) { + /* enable gfx powergating */ + amdgpu_device_ip_set_powergating_state(adev, + AMD_IP_BLOCK_TYPE_GFX, + AMD_PG_STATE_GATE); + /* enable gfxoff */ + amdgpu_device_ip_set_powergating_state(adev, + AMD_IP_BLOCK_TYPE_SMC, + AMD_PG_STATE_GATE); + } + return 0; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c index 2c8e27370284..5fb156a01774 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c @@ -30,6 +30,7 @@ #include <drm/drmP.h> #include <drm/amdgpu_drm.h> #include "amdgpu.h" +#include "amdgpu_display.h" void amdgpu_gem_object_free(struct drm_gem_object *gobj) { @@ -235,6 +236,13 @@ int amdgpu_gem_create_ioctl(struct drm_device *dev, void *data, /* create a gem object to contain this object in */ if (args->in.domains & (AMDGPU_GEM_DOMAIN_GDS | AMDGPU_GEM_DOMAIN_GWS | AMDGPU_GEM_DOMAIN_OA)) { + if (flags & AMDGPU_GEM_CREATE_VM_ALWAYS_VALID) { + /* if gds bo is created from user space, it must be + * passed to bo list + */ + DRM_ERROR("GDS bo cannot be per-vm-bo\n"); + return -EINVAL; + } flags |= AMDGPU_GEM_CREATE_NO_CPU_ACCESS; if (args->in.domains == AMDGPU_GEM_DOMAIN_GDS) size = size << AMDGPU_GDS_SHIFT; @@ -749,15 +757,16 @@ int amdgpu_mode_dumb_create(struct drm_file *file_priv, struct amdgpu_device *adev = dev->dev_private; struct drm_gem_object *gobj; uint32_t handle; + u32 domain; int r; args->pitch = amdgpu_align_pitch(adev, args->width, DIV_ROUND_UP(args->bpp, 8), 0); args->size = (u64)args->pitch * args->height; args->size = ALIGN(args->size, PAGE_SIZE); - - r = amdgpu_gem_object_create(adev, args->size, 0, - AMDGPU_GEM_DOMAIN_VRAM, + domain = amdgpu_bo_get_preferred_pin_domain(adev, + amdgpu_display_supported_domains(adev)); + r = amdgpu_gem_object_create(adev, args->size, 0, domain, AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED, false, NULL, &gobj); if (r) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index 6a9e46ae7f0a..5e4e1bd90383 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -703,11 +703,7 @@ int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain, /* This assumes only APU display buffers are pinned with (VRAM|GTT). * See function amdgpu_display_supported_domains() */ - if (domain == (AMDGPU_GEM_DOMAIN_VRAM | AMDGPU_GEM_DOMAIN_GTT)) { - domain = AMDGPU_GEM_DOMAIN_VRAM; - if (adev->gmc.real_vram_size <= AMDGPU_SG_THRESHOLD) - domain = AMDGPU_GEM_DOMAIN_GTT; - } + domain = amdgpu_bo_get_preferred_pin_domain(adev, domain); if (bo->pin_count) { uint32_t mem_type = bo->tbo.mem.mem_type; @@ -1066,3 +1062,14 @@ u64 amdgpu_bo_gpu_offset(struct amdgpu_bo *bo) return bo->tbo.offset; } + +uint32_t amdgpu_bo_get_preferred_pin_domain(struct amdgpu_device *adev, + uint32_t domain) +{ + if (domain == (AMDGPU_GEM_DOMAIN_VRAM | AMDGPU_GEM_DOMAIN_GTT)) { + domain = AMDGPU_GEM_DOMAIN_VRAM; + if (adev->gmc.real_vram_size <= AMDGPU_SG_THRESHOLD) + domain = AMDGPU_GEM_DOMAIN_GTT; + } + return domain; +} diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h index 540e03fa159f..731748033878 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h @@ -289,7 +289,8 @@ int amdgpu_bo_restore_from_shadow(struct amdgpu_device *adev, struct reservation_object *resv, struct dma_fence **fence, bool direct); - +uint32_t amdgpu_bo_get_preferred_pin_domain(struct amdgpu_device *adev, + uint32_t domain); /* * sub allocation diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c index 8851bcdfc260..127e87b470ff 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c @@ -49,8 +49,6 @@ static void amdgpu_vcn_idle_work_handler(struct work_struct *work); int amdgpu_vcn_sw_init(struct amdgpu_device *adev) { - struct amdgpu_ring *ring; - struct drm_sched_rq *rq; unsigned long bo_size; const char *fw_name; const struct common_firmware_header *hdr; @@ -84,6 +82,7 @@ int amdgpu_vcn_sw_init(struct amdgpu_device *adev) } hdr = (const struct common_firmware_header *)adev->vcn.fw->data; + adev->vcn.fw_version = le32_to_cpu(hdr->ucode_version); family_id = le32_to_cpu(hdr->ucode_version) & 0xff; version_major = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xff; version_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff; @@ -102,24 +101,6 @@ int amdgpu_vcn_sw_init(struct amdgpu_device *adev) return r; } - ring = &adev->vcn.ring_dec; - rq = &ring->sched.sched_rq[DRM_SCHED_PRIORITY_NORMAL]; - r = drm_sched_entity_init(&ring->sched, &adev->vcn.entity_dec, - rq, NULL); - if (r != 0) { - DRM_ERROR("Failed setting up VCN dec run queue.\n"); - return r; - } - - ring = &adev->vcn.ring_enc[0]; - rq = &ring->sched.sched_rq[DRM_SCHED_PRIORITY_NORMAL]; - r = drm_sched_entity_init(&ring->sched, &adev->vcn.entity_enc, - rq, NULL); - if (r != 0) { - DRM_ERROR("Failed setting up VCN enc run queue.\n"); - return r; - } - return 0; } @@ -129,10 +110,6 @@ int amdgpu_vcn_sw_fini(struct amdgpu_device *adev) kfree(adev->vcn.saved_bo); - drm_sched_entity_fini(&adev->vcn.ring_dec.sched, &adev->vcn.entity_dec); - - drm_sched_entity_fini(&adev->vcn.ring_enc[0].sched, &adev->vcn.entity_enc); - amdgpu_bo_free_kernel(&adev->vcn.vcpu_bo, &adev->vcn.gpu_addr, (void **)&adev->vcn.cpu_addr); @@ -278,7 +255,7 @@ int amdgpu_vcn_dec_ring_test_ring(struct amdgpu_ring *ring) } static int amdgpu_vcn_dec_send_msg(struct amdgpu_ring *ring, - struct amdgpu_bo *bo, bool direct, + struct amdgpu_bo *bo, struct dma_fence **fence) { struct amdgpu_device *adev = ring->adev; @@ -306,19 +283,12 @@ static int amdgpu_vcn_dec_send_msg(struct amdgpu_ring *ring, } ib->length_dw = 16; - if (direct) { - r = amdgpu_ib_schedule(ring, 1, ib, NULL, &f); - job->fence = dma_fence_get(f); - if (r) - goto err_free; + r = amdgpu_ib_schedule(ring, 1, ib, NULL, &f); + job->fence = dma_fence_get(f); + if (r) + goto err_free; - amdgpu_job_free(job); - } else { - r = amdgpu_job_submit(job, ring, &adev->vcn.entity_dec, - AMDGPU_FENCE_OWNER_UNDEFINED, &f); - if (r) - goto err_free; - } + amdgpu_job_free(job); amdgpu_bo_fence(bo, f, false); amdgpu_bo_unreserve(bo); @@ -370,11 +340,11 @@ static int amdgpu_vcn_dec_get_create_msg(struct amdgpu_ring *ring, uint32_t hand for (i = 14; i < 1024; ++i) msg[i] = cpu_to_le32(0x0); - return amdgpu_vcn_dec_send_msg(ring, bo, true, fence); + return amdgpu_vcn_dec_send_msg(ring, bo, fence); } static int amdgpu_vcn_dec_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle, - bool direct, struct dma_fence **fence) + struct dma_fence **fence) { struct amdgpu_device *adev = ring->adev; struct amdgpu_bo *bo = NULL; @@ -396,7 +366,7 @@ static int amdgpu_vcn_dec_get_destroy_msg(struct amdgpu_ring *ring, uint32_t han for (i = 6; i < 1024; ++i) msg[i] = cpu_to_le32(0x0); - return amdgpu_vcn_dec_send_msg(ring, bo, direct, fence); + return amdgpu_vcn_dec_send_msg(ring, bo, fence); } int amdgpu_vcn_dec_ring_test_ib(struct amdgpu_ring *ring, long timeout) @@ -410,7 +380,7 @@ int amdgpu_vcn_dec_ring_test_ib(struct amdgpu_ring *ring, long timeout) goto error; } - r = amdgpu_vcn_dec_get_destroy_msg(ring, 1, true, &fence); + r = amdgpu_vcn_dec_get_destroy_msg(ring, 1, &fence); if (r) { DRM_ERROR("amdgpu: failed to get destroy ib (%ld).\n", r); goto error; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h index 181e6afa9847..773010b9ff15 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h @@ -67,8 +67,6 @@ struct amdgpu_vcn { struct amdgpu_ring ring_dec; struct amdgpu_ring ring_enc[AMDGPU_VCN_MAX_ENC_RINGS]; struct amdgpu_irq_src irq; - struct drm_sched_entity entity_dec; - struct drm_sched_entity entity_enc; unsigned num_enc_rings; }; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index ccba88cc8c54..b0eb2f537392 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -2123,7 +2123,8 @@ int amdgpu_vm_bo_clear_mappings(struct amdgpu_device *adev, before->last = saddr - 1; before->offset = tmp->offset; before->flags = tmp->flags; - list_add(&before->list, &tmp->list); + before->bo_va = tmp->bo_va; + list_add(&before->list, &tmp->bo_va->invalids); } /* Remember mapping split at the end */ @@ -2133,7 +2134,8 @@ int amdgpu_vm_bo_clear_mappings(struct amdgpu_device *adev, after->offset = tmp->offset; after->offset += after->start - tmp->start; after->flags = tmp->flags; - list_add(&after->list, &tmp->list); + after->bo_va = tmp->bo_va; + list_add(&after->list, &tmp->bo_va->invalids); } list_del(&tmp->list); diff --git a/drivers/gpu/drm/amd/amdgpu/df_v3_6.c b/drivers/gpu/drm/amd/amdgpu/df_v3_6.c index 60608b3df881..d5ebe566809b 100644 --- a/drivers/gpu/drm/amd/amdgpu/df_v3_6.c +++ b/drivers/gpu/drm/amd/amdgpu/df_v3_6.c @@ -64,7 +64,7 @@ static u32 df_v3_6_get_hbm_channel_number(struct amdgpu_device *adev) int fb_channel_number; fb_channel_number = adev->df_funcs->get_fb_channel_number(adev); - if (fb_channel_number > ARRAY_SIZE(df_v3_6_channel_number)) + if (fb_channel_number >= ARRAY_SIZE(df_v3_6_channel_number)) fb_channel_number = 0; return df_v3_6_channel_number[fb_channel_number]; diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index d7530fdfaad5..a69153435ea7 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -111,6 +111,7 @@ static const struct soc15_reg_golden golden_settings_gc_9_0_vg10[] = static const struct soc15_reg_golden golden_settings_gc_9_0_vg20[] = { + SOC15_REG_GOLDEN_VALUE(GC, 0, mmCB_DCC_CONFIG, 0x0f000080, 0x04000080), SOC15_REG_GOLDEN_VALUE(GC, 0, mmCB_HW_CONTROL_2, 0x0f000000, 0x0a000000), SOC15_REG_GOLDEN_VALUE(GC, 0, mmCB_HW_CONTROL_3, 0x30000000, 0x10000000), SOC15_REG_GOLDEN_VALUE(GC, 0, mmGB_ADDR_CONFIG, 0xf3e777ff, 0x22014042), @@ -1837,13 +1838,15 @@ static void gfx_v9_1_parse_ind_reg_list(int *register_list_format, int indirect_offset, int list_size, int *unique_indirect_regs, - int *unique_indirect_reg_count, + int unique_indirect_reg_count, int *indirect_start_offsets, - int *indirect_start_offsets_count) + int *indirect_start_offsets_count, + int max_start_offsets_count) { int idx; for (; indirect_offset < list_size; indirect_offset++) { + WARN_ON(*indirect_start_offsets_count >= max_start_offsets_count); indirect_start_offsets[*indirect_start_offsets_count] = indirect_offset; *indirect_start_offsets_count = *indirect_start_offsets_count + 1; @@ -1851,14 +1854,14 @@ static void gfx_v9_1_parse_ind_reg_list(int *register_list_format, indirect_offset += 2; /* look for the matching indice */ - for (idx = 0; idx < *unique_indirect_reg_count; idx++) { + for (idx = 0; idx < unique_indirect_reg_count; idx++) { if (unique_indirect_regs[idx] == register_list_format[indirect_offset] || !unique_indirect_regs[idx]) break; } - BUG_ON(idx >= *unique_indirect_reg_count); + BUG_ON(idx >= unique_indirect_reg_count); if (!unique_indirect_regs[idx]) unique_indirect_regs[idx] = register_list_format[indirect_offset]; @@ -1893,9 +1896,10 @@ static int gfx_v9_1_init_rlc_save_restore_list(struct amdgpu_device *adev) adev->gfx.rlc.reg_list_format_direct_reg_list_length, adev->gfx.rlc.reg_list_format_size_bytes >> 2, unique_indirect_regs, - &unique_indirect_reg_count, + unique_indirect_reg_count, indirect_start_offsets, - &indirect_start_offsets_count); + &indirect_start_offsets_count, + ARRAY_SIZE(indirect_start_offsets)); /* enable auto inc in case it is disabled */ tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_SRM_CNTL)); @@ -3404,11 +3408,6 @@ static int gfx_v9_0_late_init(void *handle) if (r) return r; - r = amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_GFX, - AMD_PG_STATE_GATE); - if (r) - return r; - return 0; } diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c b/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c index 0c768e388ace..727071fee6f6 100644 --- a/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c +++ b/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c @@ -47,6 +47,8 @@ MODULE_FIRMWARE("amdgpu/vega20_asd.bin"); #define smnMP1_FIRMWARE_FLAGS 0x3010028 +static uint32_t sos_old_versions[] = {1517616, 1510592, 1448594, 1446554}; + static int psp_v3_1_get_fw_type(struct amdgpu_firmware_info *ucode, enum psp_gfx_fw_type *type) { @@ -210,12 +212,31 @@ static int psp_v3_1_bootloader_load_sysdrv(struct psp_context *psp) return ret; } +static bool psp_v3_1_match_version(struct amdgpu_device *adev, uint32_t ver) +{ + int i; + + if (ver == adev->psp.sos_fw_version) + return true; + + /* + * Double check if the latest four legacy versions. + * If yes, it is still the right version. + */ + for (i = 0; i < sizeof(sos_old_versions) / sizeof(uint32_t); i++) { + if (sos_old_versions[i] == adev->psp.sos_fw_version) + return true; + } + + return false; +} + static int psp_v3_1_bootloader_load_sos(struct psp_context *psp) { int ret; unsigned int psp_gfxdrv_command_reg = 0; struct amdgpu_device *adev = psp->adev; - uint32_t sol_reg; + uint32_t sol_reg, ver; /* Check sOS sign of life register to confirm sys driver and sOS * are already been loaded. @@ -248,6 +269,10 @@ static int psp_v3_1_bootloader_load_sos(struct psp_context *psp) RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81), 0, true); + ver = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_58); + if (!psp_v3_1_match_version(adev, ver)) + DRM_WARN("SOS version doesn't match\n"); + return ret; } diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c index 68b4a22a8892..83f2717fcf81 100644 --- a/drivers/gpu/drm/amd/amdgpu/soc15.c +++ b/drivers/gpu/drm/amd/amdgpu/soc15.c @@ -685,6 +685,7 @@ static int soc15_common_early_init(void *handle) AMD_CG_SUPPORT_BIF_MGCG | AMD_CG_SUPPORT_BIF_LS | AMD_CG_SUPPORT_HDP_MGCG | + AMD_CG_SUPPORT_HDP_LS | AMD_CG_SUPPORT_ROM_MGCG | AMD_CG_SUPPORT_VCE_MGCG | AMD_CG_SUPPORT_UVD_MGCG; diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c index 110b294ebed3..29684c3ea4ef 100644 --- a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c @@ -769,14 +769,14 @@ static int vcn_v1_0_stop(struct amdgpu_device *adev) return 0; } -bool vcn_v1_0_is_idle(void *handle) +static bool vcn_v1_0_is_idle(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; return (RREG32_SOC15(VCN, 0, mmUVD_STATUS) == 0x2); } -int vcn_v1_0_wait_for_idle(void *handle) +static int vcn_v1_0_wait_for_idle(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; int ret = 0; diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index f9b9ab90558c..f9add85157e7 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -46,6 +46,7 @@ #include <linux/moduleparam.h> #include <linux/version.h> #include <linux/types.h> +#include <linux/pm_runtime.h> #include <drm/drmP.h> #include <drm/drm_atomic.h> @@ -2095,12 +2096,6 @@ convert_color_depth_from_display_info(const struct drm_connector *connector) { uint32_t bpc = connector->display_info.bpc; - /* Limited color depth to 8bit - * TODO: Still need to handle deep color - */ - if (bpc > 8) - bpc = 8; - switch (bpc) { case 0: /* Temporary Work around, DRM don't parse color depth for @@ -2316,27 +2311,22 @@ decide_crtc_timing_for_drm_display_mode(struct drm_display_mode *drm_mode, } } -static int create_fake_sink(struct amdgpu_dm_connector *aconnector) +static struct dc_sink * +create_fake_sink(struct amdgpu_dm_connector *aconnector) { - struct dc_sink *sink = NULL; struct dc_sink_init_data sink_init_data = { 0 }; - + struct dc_sink *sink = NULL; sink_init_data.link = aconnector->dc_link; sink_init_data.sink_signal = aconnector->dc_link->connector_signal; sink = dc_sink_create(&sink_init_data); if (!sink) { DRM_ERROR("Failed to create sink!\n"); - return -ENOMEM; + return NULL; } - sink->sink_signal = SIGNAL_TYPE_VIRTUAL; - aconnector->fake_enable = true; - - aconnector->dc_sink = sink; - aconnector->dc_link->local_sink = sink; - return 0; + return sink; } static void set_multisync_trigger_params( @@ -2399,7 +2389,7 @@ create_stream_for_sink(struct amdgpu_dm_connector *aconnector, struct dc_stream_state *stream = NULL; struct drm_display_mode mode = *drm_mode; bool native_mode_found = false; - + struct dc_sink *sink = NULL; if (aconnector == NULL) { DRM_ERROR("aconnector is NULL!\n"); return stream; @@ -2417,15 +2407,18 @@ create_stream_for_sink(struct amdgpu_dm_connector *aconnector, return stream; } - if (create_fake_sink(aconnector)) + sink = create_fake_sink(aconnector); + if (!sink) return stream; + } else { + sink = aconnector->dc_sink; } - stream = dc_create_stream_for_sink(aconnector->dc_sink); + stream = dc_create_stream_for_sink(sink); if (stream == NULL) { DRM_ERROR("Failed to create stream for sink!\n"); - return stream; + goto finish; } list_for_each_entry(preferred_mode, &aconnector->base.modes, head) { @@ -2464,12 +2457,15 @@ create_stream_for_sink(struct amdgpu_dm_connector *aconnector, fill_audio_info( &stream->audio_info, drm_connector, - aconnector->dc_sink); + sink); update_stream_signal(stream); if (dm_state && dm_state->freesync_capable) stream->ignore_msa_timing_param = true; +finish: + if (sink && sink->sink_signal == SIGNAL_TYPE_VIRTUAL) + dc_sink_release(sink); return stream; } @@ -2714,6 +2710,9 @@ void amdgpu_dm_connector_funcs_reset(struct drm_connector *connector) struct dm_connector_state *state = to_dm_connector_state(connector->state); + if (connector->state) + __drm_atomic_helper_connector_destroy_state(connector->state); + kfree(state); state = kzalloc(sizeof(*state), GFP_KERNEL); @@ -2724,8 +2723,7 @@ void amdgpu_dm_connector_funcs_reset(struct drm_connector *connector) state->underscan_hborder = 0; state->underscan_vborder = 0; - connector->state = &state->base; - connector->state->connector = connector; + __drm_atomic_helper_connector_reset(connector, &state->base); } } @@ -3083,17 +3081,6 @@ static int dm_plane_helper_prepare_fb(struct drm_plane *plane, } } - /* It's a hack for s3 since in 4.9 kernel filter out cursor buffer - * prepare and cleanup in drm_atomic_helper_prepare_planes - * and drm_atomic_helper_cleanup_planes because fb doens't in s3. - * IN 4.10 kernel this code should be removed and amdgpu_device_suspend - * code touching fram buffers should be avoided for DC. - */ - if (plane->type == DRM_PLANE_TYPE_CURSOR) { - struct amdgpu_crtc *acrtc = to_amdgpu_crtc(new_state->crtc); - - acrtc->cursor_bo = obj; - } return 0; } @@ -4281,6 +4268,8 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state) if (dm_old_crtc_state->stream) remove_stream(adev, acrtc, dm_old_crtc_state->stream); + pm_runtime_get_noresume(dev->dev); + acrtc->enabled = true; acrtc->hw_mode = new_crtc_state->mode; crtc->hwmode = new_crtc_state->mode; @@ -4469,6 +4458,16 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state) drm_atomic_helper_wait_for_flip_done(dev, state); drm_atomic_helper_cleanup_planes(dev, state); + + /* Finally, drop a runtime PM reference for each newly disabled CRTC, + * so we can put the GPU into runtime suspend if we're not driving any + * displays anymore + */ + pm_runtime_mark_last_busy(dev->dev); + for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { + if (old_crtc_state->active && !new_crtc_state->active) + pm_runtime_put_autosuspend(dev->dev); + } } diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c index 4be21bf54749..a910f01838ab 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c @@ -555,6 +555,9 @@ static inline int dm_irq_state(struct amdgpu_device *adev, return 0; } + if (acrtc->otg_inst == -1) + return 0; + irq_source = dal_irq_type + acrtc->otg_inst; st = (state == AMDGPU_IRQ_STATE_ENABLE); diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c index 0229c7edb8ad..5a3346124a01 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c @@ -234,6 +234,33 @@ static void pp_to_dc_clock_levels( } } +static void pp_to_dc_clock_levels_with_latency( + const struct pp_clock_levels_with_latency *pp_clks, + struct dm_pp_clock_levels_with_latency *clk_level_info, + enum dm_pp_clock_type dc_clk_type) +{ + uint32_t i; + + if (pp_clks->num_levels > DM_PP_MAX_CLOCK_LEVELS) { + DRM_INFO("DM_PPLIB: Warning: %s clock: number of levels %d exceeds maximum of %d!\n", + DC_DECODE_PP_CLOCK_TYPE(dc_clk_type), + pp_clks->num_levels, + DM_PP_MAX_CLOCK_LEVELS); + + clk_level_info->num_levels = DM_PP_MAX_CLOCK_LEVELS; + } else + clk_level_info->num_levels = pp_clks->num_levels; + + DRM_DEBUG("DM_PPLIB: values for %s clock\n", + DC_DECODE_PP_CLOCK_TYPE(dc_clk_type)); + + for (i = 0; i < clk_level_info->num_levels; i++) { + DRM_DEBUG("DM_PPLIB:\t %d\n", pp_clks->data[i].clocks_in_khz); + clk_level_info->data[i].clocks_in_khz = pp_clks->data[i].clocks_in_khz; + clk_level_info->data[i].latency_in_us = pp_clks->data[i].latency_in_us; + } +} + bool dm_pp_get_clock_levels_by_type( const struct dc_context *ctx, enum dm_pp_clock_type clk_type, @@ -311,8 +338,22 @@ bool dm_pp_get_clock_levels_by_type_with_latency( enum dm_pp_clock_type clk_type, struct dm_pp_clock_levels_with_latency *clk_level_info) { - /* TODO: to be implemented */ - return false; + struct amdgpu_device *adev = ctx->driver_context; + void *pp_handle = adev->powerplay.pp_handle; + struct pp_clock_levels_with_latency pp_clks = { 0 }; + const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs; + + if (!pp_funcs || !pp_funcs->get_clock_by_type_with_latency) + return false; + + if (pp_funcs->get_clock_by_type_with_latency(pp_handle, + dc_to_pp_clock_type(clk_type), + &pp_clks)) + return false; + + pp_to_dc_clock_levels_with_latency(&pp_clks, clk_level_info, clk_type); + + return true; } bool dm_pp_get_clock_levels_by_type_with_voltage( diff --git a/drivers/gpu/drm/amd/display/dc/basics/fixpt31_32.c b/drivers/gpu/drm/amd/display/dc/basics/fixpt31_32.c index e61dd97d0928..f28989860fd8 100644 --- a/drivers/gpu/drm/amd/display/dc/basics/fixpt31_32.c +++ b/drivers/gpu/drm/amd/display/dc/basics/fixpt31_32.c @@ -449,6 +449,11 @@ static inline unsigned int clamp_ux_dy( return min_clamp; } +unsigned int dc_fixpt_u3d19(struct fixed31_32 arg) +{ + return ux_dy(arg.value, 3, 19); +} + unsigned int dc_fixpt_u2d19(struct fixed31_32 arg) { return ux_dy(arg.value, 2, 19); diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c index 7d609c71394b..7857cb42b3e6 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c @@ -1630,17 +1630,42 @@ static enum dc_status read_hpd_rx_irq_data( struct dc_link *link, union hpd_irq_data *irq_data) { + static enum dc_status retval; + /* The HW reads 16 bytes from 200h on HPD, * but if we get an AUX_DEFER, the HW cannot retry * and this causes the CTS tests 4.3.2.1 - 3.2.4 to * fail, so we now explicitly read 6 bytes which is * the req from the above mentioned test cases. + * + * For DP 1.4 we need to read those from 2002h range. */ - return core_link_read_dpcd( - link, - DP_SINK_COUNT, - irq_data->raw, - sizeof(union hpd_irq_data)); + if (link->dpcd_caps.dpcd_rev.raw < DPCD_REV_14) + retval = core_link_read_dpcd( + link, + DP_SINK_COUNT, + irq_data->raw, + sizeof(union hpd_irq_data)); + else { + /* Read 2 bytes at this location,... */ + retval = core_link_read_dpcd( + link, + DP_SINK_COUNT_ESI, + irq_data->raw, + 2); + + if (retval != DC_OK) + return retval; + + /* ... then read remaining 4 at the other location */ + retval = core_link_read_dpcd( + link, + DP_LANE0_1_STATUS_ESI, + &irq_data->raw[2], + 4); + } + + return retval; } static bool allow_hpd_rx_irq(const struct dc_link *link) @@ -2278,7 +2303,7 @@ static void dp_wa_power_up_0010FA(struct dc_link *link, uint8_t *dpcd_data, static bool retrieve_link_cap(struct dc_link *link) { - uint8_t dpcd_data[DP_TRAINING_AUX_RD_INTERVAL - DP_DPCD_REV + 1]; + uint8_t dpcd_data[DP_ADAPTER_CAP - DP_DPCD_REV + 1]; union down_stream_port_count down_strm_port_count; union edp_configuration_cap edp_config_cap; diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c index 0a6d483dc046..c0e813c7ddd4 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c @@ -72,7 +72,8 @@ static void dce110_update_generic_info_packet( uint32_t max_retries = 50; /*we need turn on clock before programming AFMT block*/ - REG_UPDATE(AFMT_CNTL, AFMT_AUDIO_CLOCK_EN, 1); + if (REG(AFMT_CNTL)) + REG_UPDATE(AFMT_CNTL, AFMT_AUDIO_CLOCK_EN, 1); if (REG(AFMT_VBI_PACKET_CONTROL1)) { if (packet_index >= 8) @@ -719,7 +720,8 @@ static void dce110_stream_encoder_update_hdmi_info_packets( const uint32_t *content = (const uint32_t *) &info_frame->avi.sb[0]; /*we need turn on clock before programming AFMT block*/ - REG_UPDATE(AFMT_CNTL, AFMT_AUDIO_CLOCK_EN, 1); + if (REG(AFMT_CNTL)) + REG_UPDATE(AFMT_CNTL, AFMT_AUDIO_CLOCK_EN, 1); REG_WRITE(AFMT_AVI_INFO0, content[0]); diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_compressor.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_compressor.c index 9150d2694450..e2994d337044 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_compressor.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_compressor.c @@ -121,10 +121,10 @@ static void reset_lb_on_vblank(struct dc_context *ctx) frame_count = dm_read_reg(ctx, mmCRTC_STATUS_FRAME_COUNT); - for (retry = 100; retry > 0; retry--) { + for (retry = 10000; retry > 0; retry--) { if (frame_count != dm_read_reg(ctx, mmCRTC_STATUS_FRAME_COUNT)) break; - msleep(1); + udelay(10); } if (!retry) dm_error("Frame count did not increase for 100ms.\n"); @@ -147,14 +147,14 @@ static void wait_for_fbc_state_changed( uint32_t addr = mmFBC_STATUS; uint32_t value; - while (counter < 10) { + while (counter < 1000) { value = dm_read_reg(cp110->base.ctx, addr); if (get_reg_field_value( value, FBC_STATUS, FBC_ENABLE_STATUS) == enabled) break; - msleep(10); + udelay(100); counter++; } diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c index a92fb0aa2ff3..c29052b6da5a 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c @@ -1004,9 +1004,9 @@ void dce110_disable_stream(struct pipe_ctx *pipe_ctx, int option) /*don't free audio if it is from retrain or internal disable stream*/ if (option == FREE_ACQUIRED_RESOURCE && dc->caps.dynamic_audio == true) { /*we have to dynamic arbitrate the audio endpoints*/ - pipe_ctx->stream_res.audio = NULL; /*we free the resource, need reset is_audio_acquired*/ update_audio_usage(&dc->current_state->res_ctx, dc->res_pool, pipe_ctx->stream_res.audio, false); + pipe_ctx->stream_res.audio = NULL; } /* TODO: notify audio driver for if audio modes list changed diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c index 46a35c7f01df..c69fa4bfab0a 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c @@ -132,8 +132,7 @@ void dpp_set_gamut_remap_bypass(struct dcn10_dpp *dpp) #define IDENTITY_RATIO(ratio) (dc_fixpt_u2d19(ratio) == (1 << 19)) - -bool dpp_get_optimal_number_of_taps( +static bool dpp_get_optimal_number_of_taps( struct dpp *dpp, struct scaler_data *scl_data, const struct scaling_taps *in_taps) diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.h b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.h index 5944a3ba0409..e862cafa6501 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.h +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.h @@ -1424,12 +1424,8 @@ void dpp1_set_degamma( enum ipp_degamma_mode mode); void dpp1_set_degamma_pwl(struct dpp *dpp_base, - const struct pwl_params *params); + const struct pwl_params *params); -bool dpp_get_optimal_number_of_taps( - struct dpp *dpp, - struct scaler_data *scl_data, - const struct scaling_taps *in_taps); void dpp_read_state(struct dpp *dpp_base, struct dcn_dpp_state *s); diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c index 4ddd6273d5a5..f862fd148cca 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c @@ -565,16 +565,16 @@ static void dpp1_dscl_set_manual_ratio_init( uint32_t init_int = 0; REG_SET(SCL_HORZ_FILTER_SCALE_RATIO, 0, - SCL_H_SCALE_RATIO, dc_fixpt_u2d19(data->ratios.horz) << 5); + SCL_H_SCALE_RATIO, dc_fixpt_u3d19(data->ratios.horz) << 5); REG_SET(SCL_VERT_FILTER_SCALE_RATIO, 0, - SCL_V_SCALE_RATIO, dc_fixpt_u2d19(data->ratios.vert) << 5); + SCL_V_SCALE_RATIO, dc_fixpt_u3d19(data->ratios.vert) << 5); REG_SET(SCL_HORZ_FILTER_SCALE_RATIO_C, 0, - SCL_H_SCALE_RATIO_C, dc_fixpt_u2d19(data->ratios.horz_c) << 5); + SCL_H_SCALE_RATIO_C, dc_fixpt_u3d19(data->ratios.horz_c) << 5); REG_SET(SCL_VERT_FILTER_SCALE_RATIO_C, 0, - SCL_V_SCALE_RATIO_C, dc_fixpt_u2d19(data->ratios.vert_c) << 5); + SCL_V_SCALE_RATIO_C, dc_fixpt_u3d19(data->ratios.vert_c) << 5); /* * 0.24 format for fraction, first five bits zeroed diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c index d2ab78b35a7a..c28085be39ff 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c @@ -396,11 +396,15 @@ bool hubp1_program_surface_flip_and_addr( if (address->grph_stereo.right_addr.quad_part == 0) break; - REG_UPDATE_4(DCSURF_SURFACE_CONTROL, + REG_UPDATE_8(DCSURF_SURFACE_CONTROL, PRIMARY_SURFACE_TMZ, address->tmz_surface, PRIMARY_SURFACE_TMZ_C, address->tmz_surface, PRIMARY_META_SURFACE_TMZ, address->tmz_surface, - PRIMARY_META_SURFACE_TMZ_C, address->tmz_surface); + PRIMARY_META_SURFACE_TMZ_C, address->tmz_surface, + SECONDARY_SURFACE_TMZ, address->tmz_surface, + SECONDARY_SURFACE_TMZ_C, address->tmz_surface, + SECONDARY_META_SURFACE_TMZ, address->tmz_surface, + SECONDARY_META_SURFACE_TMZ_C, address->tmz_surface); if (address->grph_stereo.right_meta_addr.quad_part != 0) { @@ -459,9 +463,11 @@ void hubp1_dcc_control(struct hubp *hubp, bool enable, uint32_t dcc_ind_64b_blk = independent_64b_blks ? 1 : 0; struct dcn10_hubp *hubp1 = TO_DCN10_HUBP(hubp); - REG_UPDATE_2(DCSURF_SURFACE_CONTROL, + REG_UPDATE_4(DCSURF_SURFACE_CONTROL, PRIMARY_SURFACE_DCC_EN, dcc_en, - PRIMARY_SURFACE_DCC_IND_64B_BLK, dcc_ind_64b_blk); + PRIMARY_SURFACE_DCC_IND_64B_BLK, dcc_ind_64b_blk, + SECONDARY_SURFACE_DCC_EN, dcc_en, + SECONDARY_SURFACE_DCC_IND_64B_BLK, dcc_ind_64b_blk); } void hubp1_program_surface_config( diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.h b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.h index af384034398f..d901d5092969 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.h +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.h @@ -312,6 +312,12 @@ HUBP_SF(HUBPREQ0_DCSURF_SURFACE_CONTROL, PRIMARY_META_SURFACE_TMZ_C, mask_sh),\ HUBP_SF(HUBPREQ0_DCSURF_SURFACE_CONTROL, PRIMARY_SURFACE_DCC_EN, mask_sh),\ HUBP_SF(HUBPREQ0_DCSURF_SURFACE_CONTROL, PRIMARY_SURFACE_DCC_IND_64B_BLK, mask_sh),\ + HUBP_SF(HUBPREQ0_DCSURF_SURFACE_CONTROL, SECONDARY_SURFACE_TMZ, mask_sh),\ + HUBP_SF(HUBPREQ0_DCSURF_SURFACE_CONTROL, SECONDARY_SURFACE_TMZ_C, mask_sh),\ + HUBP_SF(HUBPREQ0_DCSURF_SURFACE_CONTROL, SECONDARY_META_SURFACE_TMZ, mask_sh),\ + HUBP_SF(HUBPREQ0_DCSURF_SURFACE_CONTROL, SECONDARY_META_SURFACE_TMZ_C, mask_sh),\ + HUBP_SF(HUBPREQ0_DCSURF_SURFACE_CONTROL, SECONDARY_SURFACE_DCC_EN, mask_sh),\ + HUBP_SF(HUBPREQ0_DCSURF_SURFACE_CONTROL, SECONDARY_SURFACE_DCC_IND_64B_BLK, mask_sh),\ HUBP_SF(HUBPRET0_HUBPRET_CONTROL, DET_BUF_PLANE1_BASE_ADDRESS, mask_sh),\ HUBP_SF(HUBPRET0_HUBPRET_CONTROL, CROSSBAR_SRC_CB_B, mask_sh),\ HUBP_SF(HUBPRET0_HUBPRET_CONTROL, CROSSBAR_SRC_CR_R, mask_sh),\ @@ -489,6 +495,8 @@ type SECONDARY_META_SURFACE_TMZ_C;\ type PRIMARY_SURFACE_DCC_EN;\ type PRIMARY_SURFACE_DCC_IND_64B_BLK;\ + type SECONDARY_SURFACE_DCC_EN;\ + type SECONDARY_SURFACE_DCC_IND_64B_BLK;\ type DET_BUF_PLANE1_BASE_ADDRESS;\ type CROSSBAR_SRC_CB_B;\ type CROSSBAR_SRC_CR_R;\ diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c index 653b7b2efe2e..c928ee4cd382 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c @@ -319,6 +319,10 @@ void enc1_stream_encoder_dp_set_stream_attribute( REG_UPDATE(DP_PIXEL_FORMAT, DP_COMPONENT_DEPTH, DP_COMPONENT_PIXEL_DEPTH_12BPC); break; + case COLOR_DEPTH_161616: + REG_UPDATE(DP_PIXEL_FORMAT, DP_COMPONENT_DEPTH, + DP_COMPONENT_PIXEL_DEPTH_16BPC); + break; default: REG_UPDATE(DP_PIXEL_FORMAT, DP_COMPONENT_DEPTH, DP_COMPONENT_PIXEL_DEPTH_6BPC); diff --git a/drivers/gpu/drm/amd/display/include/fixed31_32.h b/drivers/gpu/drm/amd/display/include/fixed31_32.h index bb0d4ebba9f0..a981b3e99ab3 100644 --- a/drivers/gpu/drm/amd/display/include/fixed31_32.h +++ b/drivers/gpu/drm/amd/display/include/fixed31_32.h @@ -496,6 +496,8 @@ static inline int dc_fixpt_ceil(struct fixed31_32 arg) * fractional */ +unsigned int dc_fixpt_u3d19(struct fixed31_32 arg); + unsigned int dc_fixpt_u2d19(struct fixed31_32 arg); unsigned int dc_fixpt_u0d19(struct fixed31_32 arg); diff --git a/drivers/gpu/drm/amd/include/asic_reg/df/df_3_6_sh_mask.h b/drivers/gpu/drm/amd/include/asic_reg/df/df_3_6_sh_mask.h index 88f7c69df6b9..06fac509e987 100644 --- a/drivers/gpu/drm/amd/include/asic_reg/df/df_3_6_sh_mask.h +++ b/drivers/gpu/drm/amd/include/asic_reg/df/df_3_6_sh_mask.h @@ -36,13 +36,13 @@ /* DF_CS_AON0_DramBaseAddress0 */ #define DF_CS_UMC_AON0_DramBaseAddress0__AddrRngVal__SHIFT 0x0 #define DF_CS_UMC_AON0_DramBaseAddress0__LgcyMmioHoleEn__SHIFT 0x1 -#define DF_CS_UMC_AON0_DramBaseAddress0__IntLvNumChan__SHIFT 0x4 -#define DF_CS_UMC_AON0_DramBaseAddress0__IntLvAddrSel__SHIFT 0x8 +#define DF_CS_UMC_AON0_DramBaseAddress0__IntLvNumChan__SHIFT 0x2 +#define DF_CS_UMC_AON0_DramBaseAddress0__IntLvAddrSel__SHIFT 0x9 #define DF_CS_UMC_AON0_DramBaseAddress0__DramBaseAddr__SHIFT 0xc #define DF_CS_UMC_AON0_DramBaseAddress0__AddrRngVal_MASK 0x00000001L #define DF_CS_UMC_AON0_DramBaseAddress0__LgcyMmioHoleEn_MASK 0x00000002L -#define DF_CS_UMC_AON0_DramBaseAddress0__IntLvNumChan_MASK 0x000000F0L -#define DF_CS_UMC_AON0_DramBaseAddress0__IntLvAddrSel_MASK 0x00000700L +#define DF_CS_UMC_AON0_DramBaseAddress0__IntLvNumChan_MASK 0x0000003CL +#define DF_CS_UMC_AON0_DramBaseAddress0__IntLvAddrSel_MASK 0x00000E00L #define DF_CS_UMC_AON0_DramBaseAddress0__DramBaseAddr_MASK 0xFFFFF000L #endif diff --git a/drivers/gpu/drm/amd/include/atomfirmware.h b/drivers/gpu/drm/amd/include/atomfirmware.h index c6c1666ac120..092d800b703a 100644 --- a/drivers/gpu/drm/amd/include/atomfirmware.h +++ b/drivers/gpu/drm/amd/include/atomfirmware.h @@ -2026,17 +2026,15 @@ enum atom_smu11_syspll_id { SMU11_SYSPLL3_1_ID = 6, }; - enum atom_smu11_syspll0_clock_id { - SMU11_SYSPLL0_SOCCLK_ID = 0, // SOCCLK - SMU11_SYSPLL0_MP0CLK_ID = 1, // MP0CLK - SMU11_SYSPLL0_DCLK_ID = 2, // DCLK - SMU11_SYSPLL0_VCLK_ID = 3, // VCLK - SMU11_SYSPLL0_ECLK_ID = 4, // ECLK + SMU11_SYSPLL0_ECLK_ID = 0, // ECLK + SMU11_SYSPLL0_SOCCLK_ID = 1, // SOCCLK + SMU11_SYSPLL0_MP0CLK_ID = 2, // MP0CLK + SMU11_SYSPLL0_DCLK_ID = 3, // DCLK + SMU11_SYSPLL0_VCLK_ID = 4, // VCLK SMU11_SYSPLL0_DCEFCLK_ID = 5, // DCEFCLK }; - enum atom_smu11_syspll1_0_clock_id { SMU11_SYSPLL1_0_UCLKA_ID = 0, // UCLK_a }; diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c index b493369e6d0f..d567be49c31b 100644 --- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c +++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c @@ -180,7 +180,6 @@ static int pp_late_init(void *handle) { struct amdgpu_device *adev = handle; struct pp_hwmgr *hwmgr = adev->powerplay.pp_handle; - int ret; if (hwmgr && hwmgr->pm_en) { mutex_lock(&hwmgr->smu_lock); @@ -191,13 +190,6 @@ static int pp_late_init(void *handle) if (adev->pm.smu_prv_buffer_size != 0) pp_reserve_vram_for_smu(adev); - if (hwmgr->hwmgr_func->gfx_off_control && - (hwmgr->feature_mask & PP_GFXOFF_MASK)) { - ret = hwmgr->hwmgr_func->gfx_off_control(hwmgr, true); - if (ret) - pr_err("gfx off enabling failed!\n"); - } - return 0; } @@ -245,7 +237,7 @@ static int pp_set_powergating_state(void *handle, } if (hwmgr->hwmgr_func->enable_per_cu_power_gating == NULL) { - pr_info("%s was not implemented.\n", __func__); + pr_debug("%s was not implemented.\n", __func__); return 0; } diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/pp_psm.c b/drivers/gpu/drm/amd/powerplay/hwmgr/pp_psm.c index e45a1fcc7f08..91ffb7bc4ee7 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/pp_psm.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/pp_psm.c @@ -265,19 +265,18 @@ int psm_adjust_power_state_dynamic(struct pp_hwmgr *hwmgr, bool skip, if (skip) return 0; - if (!hwmgr->ps) - /* - * for vega12/vega20 which does not support power state manager - * DAL clock limits should also be honoured - */ - phm_apply_clock_adjust_rules(hwmgr); - phm_pre_display_configuration_changed(hwmgr); phm_display_configuration_changed(hwmgr); if (hwmgr->ps) power_state_management(hwmgr, new_ps); + else + /* + * for vega12/vega20 which does not support power state manager + * DAL clock limits should also be honoured + */ + phm_apply_clock_adjust_rules(hwmgr); phm_notify_smc_display_config_after_ps_adjustment(hwmgr); diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomfwctrl.c b/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomfwctrl.c index c97b0e5ba43b..5325661fedff 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomfwctrl.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomfwctrl.c @@ -496,7 +496,9 @@ int pp_atomfwctrl_get_clk_information_by_clkid(struct pp_hwmgr *hwmgr, BIOS_CLKI uint32_t ix; parameters.clk_id = id; + parameters.syspll_id = 0; parameters.command = GET_SMU_CLOCK_INFO_V3_1_GET_CLOCK_FREQ; + parameters.dfsdid = 0; ix = GetIndexIntoMasterCmdTable(getsmuclockinfo); @@ -505,7 +507,7 @@ int pp_atomfwctrl_get_clk_information_by_clkid(struct pp_hwmgr *hwmgr, BIOS_CLKI return -EINVAL; output = (struct atom_get_smu_clock_info_output_parameters_v3_1 *)¶meters; - *frequency = output->atom_smu_outputclkfreq.smu_clock_freq_hz / 10000; + *frequency = le32_to_cpu(output->atom_smu_outputclkfreq.smu_clock_freq_hz) / 10000; return 0; } diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c b/drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c index f0d48b183d22..35bd9870ab10 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c @@ -870,12 +870,6 @@ static int init_over_drive_limits( hwmgr->platform_descriptor.maxOverdriveVDDC = 0; hwmgr->platform_descriptor.overdriveVDDCStep = 0; - if (hwmgr->platform_descriptor.overdriveLimit.engineClock == 0 \ - || hwmgr->platform_descriptor.overdriveLimit.memoryClock == 0) { - hwmgr->od_enabled = false; - pr_debug("OverDrive feature not support by VBIOS\n"); - } - return 0; } diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c b/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c index ce64dfabd34b..925e17104f90 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c @@ -1074,12 +1074,6 @@ static int init_overdrive_limits(struct pp_hwmgr *hwmgr, powerplay_table, (const ATOM_FIRMWARE_INFO_V2_1 *)fw_info); - if (hwmgr->platform_descriptor.overdriveLimit.engineClock == 0 - && hwmgr->platform_descriptor.overdriveLimit.memoryClock == 0) { - hwmgr->od_enabled = false; - pr_debug("OverDrive feature not support by VBIOS\n"); - } - return result; } diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c index 85f84f4d8be5..d4bc83e81389 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c @@ -53,8 +53,37 @@ static const unsigned long SMU10_Magic = (unsigned long) PHM_Rv_Magic; static int smu10_display_clock_voltage_request(struct pp_hwmgr *hwmgr, - struct pp_display_clock_request *clock_req); + struct pp_display_clock_request *clock_req) +{ + struct smu10_hwmgr *smu10_data = (struct smu10_hwmgr *)(hwmgr->backend); + enum amd_pp_clock_type clk_type = clock_req->clock_type; + uint32_t clk_freq = clock_req->clock_freq_in_khz / 1000; + PPSMC_Msg msg; + switch (clk_type) { + case amd_pp_dcf_clock: + if (clk_freq == smu10_data->dcf_actual_hard_min_freq) + return 0; + msg = PPSMC_MSG_SetHardMinDcefclkByFreq; + smu10_data->dcf_actual_hard_min_freq = clk_freq; + break; + case amd_pp_soc_clock: + msg = PPSMC_MSG_SetHardMinSocclkByFreq; + break; + case amd_pp_f_clock: + if (clk_freq == smu10_data->f_actual_hard_min_freq) + return 0; + smu10_data->f_actual_hard_min_freq = clk_freq; + msg = PPSMC_MSG_SetHardMinFclkByFreq; + break; + default: + pr_info("[DisplayClockVoltageRequest]Invalid Clock Type!"); + return -EINVAL; + } + smum_send_msg_to_smc_with_parameter(hwmgr, msg, clk_freq); + + return 0; +} static struct smu10_power_state *cast_smu10_ps(struct pp_hw_power_state *hw_ps) { @@ -284,7 +313,7 @@ static int smu10_disable_gfx_off(struct pp_hwmgr *hwmgr) static int smu10_disable_dpm_tasks(struct pp_hwmgr *hwmgr) { - return smu10_disable_gfx_off(hwmgr); + return 0; } static int smu10_enable_gfx_off(struct pp_hwmgr *hwmgr) @@ -299,7 +328,7 @@ static int smu10_enable_gfx_off(struct pp_hwmgr *hwmgr) static int smu10_enable_dpm_tasks(struct pp_hwmgr *hwmgr) { - return smu10_enable_gfx_off(hwmgr); + return 0; } static int smu10_gfx_off_control(struct pp_hwmgr *hwmgr, bool enable) @@ -1000,6 +1029,12 @@ static int smu10_get_clock_by_type_with_voltage(struct pp_hwmgr *hwmgr, case amd_pp_soc_clock: pclk_vol_table = pinfo->vdd_dep_on_socclk; break; + case amd_pp_disp_clock: + pclk_vol_table = pinfo->vdd_dep_on_dispclk; + break; + case amd_pp_phy_clock: + pclk_vol_table = pinfo->vdd_dep_on_phyclk; + break; default: return -EINVAL; } @@ -1017,39 +1052,7 @@ static int smu10_get_clock_by_type_with_voltage(struct pp_hwmgr *hwmgr, return 0; } -static int smu10_display_clock_voltage_request(struct pp_hwmgr *hwmgr, - struct pp_display_clock_request *clock_req) -{ - struct smu10_hwmgr *smu10_data = (struct smu10_hwmgr *)(hwmgr->backend); - enum amd_pp_clock_type clk_type = clock_req->clock_type; - uint32_t clk_freq = clock_req->clock_freq_in_khz / 1000; - PPSMC_Msg msg; - switch (clk_type) { - case amd_pp_dcf_clock: - if (clk_freq == smu10_data->dcf_actual_hard_min_freq) - return 0; - msg = PPSMC_MSG_SetHardMinDcefclkByFreq; - smu10_data->dcf_actual_hard_min_freq = clk_freq; - break; - case amd_pp_soc_clock: - msg = PPSMC_MSG_SetHardMinSocclkByFreq; - break; - case amd_pp_f_clock: - if (clk_freq == smu10_data->f_actual_hard_min_freq) - return 0; - smu10_data->f_actual_hard_min_freq = clk_freq; - msg = PPSMC_MSG_SetHardMinFclkByFreq; - break; - default: - pr_info("[DisplayClockVoltageRequest]Invalid Clock Type!"); - return -EINVAL; - } - - smum_send_msg_to_smc_with_parameter(hwmgr, msg, clk_freq); - - return 0; -} static int smu10_get_max_high_clocks(struct pp_hwmgr *hwmgr, struct amd_pp_simple_clock_info *clocks) { @@ -1182,6 +1185,7 @@ static const struct pp_hwmgr_func smu10_hwmgr_funcs = { .set_mmhub_powergating_by_smu = smu10_set_mmhub_powergating_by_smu, .smus_notify_pwe = smu10_smus_notify_pwe, .gfx_off_control = smu10_gfx_off_control, + .display_clock_voltage_request = smu10_display_clock_voltage_request, }; int smu10_init_function_pointers(struct pp_hwmgr *hwmgr) diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c index 45e9b8cb169d..f8e866ceda02 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c @@ -791,7 +791,8 @@ static int smu7_setup_dpm_tables_v1(struct pp_hwmgr *hwmgr) data->dpm_table.sclk_table.count++; } } - + if (hwmgr->platform_descriptor.overdriveLimit.engineClock == 0) + hwmgr->platform_descriptor.overdriveLimit.engineClock = dep_sclk_table->entries[i-1].clk; /* Initialize Mclk DPM table based on allow Mclk values */ data->dpm_table.mclk_table.count = 0; for (i = 0; i < dep_mclk_table->count; i++) { @@ -806,6 +807,8 @@ static int smu7_setup_dpm_tables_v1(struct pp_hwmgr *hwmgr) } } + if (hwmgr->platform_descriptor.overdriveLimit.memoryClock == 0) + hwmgr->platform_descriptor.overdriveLimit.memoryClock = dep_mclk_table->entries[i-1].clk; return 0; } @@ -3752,14 +3755,17 @@ static int smu7_trim_dpm_states(struct pp_hwmgr *hwmgr, static int smu7_generate_dpm_level_enable_mask( struct pp_hwmgr *hwmgr, const void *input) { - int result; + int result = 0; const struct phm_set_power_state_input *states = (const struct phm_set_power_state_input *)input; struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend); const struct smu7_power_state *smu7_ps = cast_const_phw_smu7_power_state(states->pnew_state); - result = smu7_trim_dpm_states(hwmgr, smu7_ps); + /*skip the trim if od is enabled*/ + if (!hwmgr->od_enabled) + result = smu7_trim_dpm_states(hwmgr, smu7_ps); + if (result) return result; diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c index d156b7bb92ae..05e680d55dbb 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c @@ -321,8 +321,12 @@ static int vega10_odn_initial_default_setting(struct pp_hwmgr *hwmgr) odn_table->min_vddc = dep_table[0]->entries[0].vddc; i = od_table[2]->count - 1; - od_table[2]->entries[i].clk = hwmgr->platform_descriptor.overdriveLimit.memoryClock; - od_table[2]->entries[i].vddc = odn_table->max_vddc; + od_table[2]->entries[i].clk = hwmgr->platform_descriptor.overdriveLimit.memoryClock > od_table[2]->entries[i].clk ? + hwmgr->platform_descriptor.overdriveLimit.memoryClock : + od_table[2]->entries[i].clk; + od_table[2]->entries[i].vddc = odn_table->max_vddc > od_table[2]->entries[i].vddc ? + odn_table->max_vddc : + od_table[2]->entries[i].vddc; return 0; } @@ -1311,6 +1315,9 @@ static int vega10_setup_default_dpm_tables(struct pp_hwmgr *hwmgr) vega10_setup_default_single_dpm_table(hwmgr, dpm_table, dep_gfx_table); + if (hwmgr->platform_descriptor.overdriveLimit.engineClock == 0) + hwmgr->platform_descriptor.overdriveLimit.engineClock = + dpm_table->dpm_levels[dpm_table->count-1].value; vega10_init_dpm_state(&(dpm_table->dpm_state)); /* Initialize Mclk DPM table based on allow Mclk values */ @@ -1319,6 +1326,10 @@ static int vega10_setup_default_dpm_tables(struct pp_hwmgr *hwmgr) vega10_setup_default_single_dpm_table(hwmgr, dpm_table, dep_mclk_table); + if (hwmgr->platform_descriptor.overdriveLimit.memoryClock == 0) + hwmgr->platform_descriptor.overdriveLimit.memoryClock = + dpm_table->dpm_levels[dpm_table->count-1].value; + vega10_init_dpm_state(&(dpm_table->dpm_state)); data->dpm_table.eclk_table.count = 0; diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_powertune.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_powertune.c index a9efd8554fbc..dbe4b1f66784 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_powertune.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_powertune.c @@ -1104,7 +1104,7 @@ static int vega10_enable_psm_gc_edc_config(struct pp_hwmgr *hwmgr) for (count = 0; count < num_se; count++) { data = GRBM_GFX_INDEX__INSTANCE_BROADCAST_WRITES_MASK | GRBM_GFX_INDEX__SH_BROADCAST_WRITES_MASK | ( count << GRBM_GFX_INDEX__SE_INDEX__SHIFT); WREG32_SOC15(GC, 0, mmGRBM_GFX_INDEX, data); - result |= vega10_program_didt_config_registers(hwmgr, PSMSEEDCStallPatternConfig_Vega10, VEGA10_CONFIGREG_DIDT); + result = vega10_program_didt_config_registers(hwmgr, PSMSEEDCStallPatternConfig_Vega10, VEGA10_CONFIGREG_DIDT); result |= vega10_program_didt_config_registers(hwmgr, PSMSEEDCStallDelayConfig_Vega10, VEGA10_CONFIGREG_DIDT); result |= vega10_program_didt_config_registers(hwmgr, PSMSEEDCCtrlResetConfig_Vega10, VEGA10_CONFIGREG_DIDT); result |= vega10_program_didt_config_registers(hwmgr, PSMSEEDCCtrlConfig_Vega10, VEGA10_CONFIGREG_DIDT); diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.c index 0768d259c07c..16b1a9cf6cf0 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.c @@ -267,12 +267,6 @@ static int init_over_drive_limits( hwmgr->platform_descriptor.maxOverdriveVDDC = 0; hwmgr->platform_descriptor.overdriveVDDCStep = 0; - if (hwmgr->platform_descriptor.overdriveLimit.engineClock == 0 || - hwmgr->platform_descriptor.overdriveLimit.memoryClock == 0) { - hwmgr->od_enabled = false; - pr_debug("OverDrive feature not support by VBIOS\n"); - } - return 0; } diff --git a/drivers/gpu/drm/scheduler/gpu_scheduler.c b/drivers/gpu/drm/scheduler/gpu_scheduler.c index df1578d6f42e..44d480768dfe 100644 --- a/drivers/gpu/drm/scheduler/gpu_scheduler.c +++ b/drivers/gpu/drm/scheduler/gpu_scheduler.c @@ -349,8 +349,13 @@ static bool drm_sched_entity_add_dependency_cb(struct drm_sched_entity *entity) struct dma_fence * fence = entity->dependency; struct drm_sched_fence *s_fence; - if (fence->context == entity->fence_context) { - /* We can ignore fences from ourself */ + if (fence->context == entity->fence_context || + fence->context == entity->fence_context + 1) { + /* + * Fence is a scheduled/finished fence from a job + * which belongs to the same entity, we can ignore + * fences from ourself + */ dma_fence_put(entity->dependency); return false; } diff --git a/drivers/gpu/drm/shmobile/Kconfig b/drivers/gpu/drm/shmobile/Kconfig index c987c826daa3..0426d66660d1 100644 --- a/drivers/gpu/drm/shmobile/Kconfig +++ b/drivers/gpu/drm/shmobile/Kconfig @@ -2,7 +2,6 @@ config DRM_SHMOBILE tristate "DRM Support for SH Mobile" depends on DRM && ARM depends on ARCH_SHMOBILE || COMPILE_TEST - depends on FB_SH_MOBILE_MERAM || !FB_SH_MOBILE_MERAM select BACKLIGHT_CLASS_DEVICE select BACKLIGHT_LCD_SUPPORT select DRM_KMS_HELPER diff --git a/drivers/gpu/drm/shmobile/shmob_drm_crtc.c b/drivers/gpu/drm/shmobile/shmob_drm_crtc.c index e7738939a86d..40df8887fc17 100644 --- a/drivers/gpu/drm/shmobile/shmob_drm_crtc.c +++ b/drivers/gpu/drm/shmobile/shmob_drm_crtc.c @@ -21,8 +21,6 @@ #include <drm/drm_gem_cma_helper.h> #include <drm/drm_plane_helper.h> -#include <video/sh_mobile_meram.h> - #include "shmob_drm_backlight.h" #include "shmob_drm_crtc.h" #include "shmob_drm_drv.h" @@ -47,20 +45,12 @@ static int shmob_drm_clk_on(struct shmob_drm_device *sdev) if (ret < 0) return ret; } -#if 0 - if (sdev->meram_dev && sdev->meram_dev->pdev) - pm_runtime_get_sync(&sdev->meram_dev->pdev->dev); -#endif return 0; } static void shmob_drm_clk_off(struct shmob_drm_device *sdev) { -#if 0 - if (sdev->meram_dev && sdev->meram_dev->pdev) - pm_runtime_put_sync(&sdev->meram_dev->pdev->dev); -#endif if (sdev->clock) clk_disable_unprepare(sdev->clock); } @@ -269,12 +259,6 @@ static void shmob_drm_crtc_stop(struct shmob_drm_crtc *scrtc) if (!scrtc->started) return; - /* Disable the MERAM cache. */ - if (scrtc->cache) { - sh_mobile_meram_cache_free(sdev->meram, scrtc->cache); - scrtc->cache = NULL; - } - /* Stop the LCDC. */ shmob_drm_crtc_start_stop(scrtc, false); @@ -305,7 +289,6 @@ static void shmob_drm_crtc_compute_base(struct shmob_drm_crtc *scrtc, { struct drm_crtc *crtc = &scrtc->crtc; struct drm_framebuffer *fb = crtc->primary->fb; - struct shmob_drm_device *sdev = crtc->dev->dev_private; struct drm_gem_cma_object *gem; unsigned int bpp; @@ -321,11 +304,6 @@ static void shmob_drm_crtc_compute_base(struct shmob_drm_crtc *scrtc, + y / (bpp == 4 ? 2 : 1) * fb->pitches[1] + x * (bpp == 16 ? 2 : 1); } - - if (scrtc->cache) - sh_mobile_meram_cache_update(sdev->meram, scrtc->cache, - scrtc->dma[0], scrtc->dma[1], - &scrtc->dma[0], &scrtc->dma[1]); } static void shmob_drm_crtc_update_base(struct shmob_drm_crtc *scrtc) @@ -372,9 +350,7 @@ static int shmob_drm_crtc_mode_set(struct drm_crtc *crtc, { struct shmob_drm_crtc *scrtc = to_shmob_crtc(crtc); struct shmob_drm_device *sdev = crtc->dev->dev_private; - const struct sh_mobile_meram_cfg *mdata = sdev->pdata->meram; const struct shmob_drm_format_info *format; - void *cache; format = shmob_drm_format_info(crtc->primary->fb->format->format); if (format == NULL) { @@ -386,24 +362,6 @@ static int shmob_drm_crtc_mode_set(struct drm_crtc *crtc, scrtc->format = format; scrtc->line_size = crtc->primary->fb->pitches[0]; - if (sdev->meram) { - /* Enable MERAM cache if configured. We need to de-init - * configured ICBs before we can re-initialize them. - */ - if (scrtc->cache) { - sh_mobile_meram_cache_free(sdev->meram, scrtc->cache); - scrtc->cache = NULL; - } - - cache = sh_mobile_meram_cache_alloc(sdev->meram, mdata, - crtc->primary->fb->pitches[0], - adjusted_mode->vdisplay, - format->meram, - &scrtc->line_size); - if (!IS_ERR(cache)) - scrtc->cache = cache; - } - shmob_drm_crtc_compute_base(scrtc, x, y); return 0; diff --git a/drivers/gpu/drm/shmobile/shmob_drm_crtc.h b/drivers/gpu/drm/shmobile/shmob_drm_crtc.h index f152973df11c..c11f421737dc 100644 --- a/drivers/gpu/drm/shmobile/shmob_drm_crtc.h +++ b/drivers/gpu/drm/shmobile/shmob_drm_crtc.h @@ -28,7 +28,6 @@ struct shmob_drm_crtc { int dpms; const struct shmob_drm_format_info *format; - void *cache; unsigned long dma[2]; unsigned int line_size; bool started; diff --git a/drivers/gpu/drm/shmobile/shmob_drm_drv.h b/drivers/gpu/drm/shmobile/shmob_drm_drv.h index 02ea315ba69a..088a6e55fa29 100644 --- a/drivers/gpu/drm/shmobile/shmob_drm_drv.h +++ b/drivers/gpu/drm/shmobile/shmob_drm_drv.h @@ -23,7 +23,6 @@ struct clk; struct device; struct drm_device; -struct sh_mobile_meram_info; struct shmob_drm_device { struct device *dev; @@ -31,7 +30,6 @@ struct shmob_drm_device { void __iomem *mmio; struct clk *clock; - struct sh_mobile_meram_info *meram; u32 lddckr; u32 ldmt1r; diff --git a/drivers/gpu/drm/shmobile/shmob_drm_kms.c b/drivers/gpu/drm/shmobile/shmob_drm_kms.c index d36919b14da7..447638581c08 100644 --- a/drivers/gpu/drm/shmobile/shmob_drm_kms.c +++ b/drivers/gpu/drm/shmobile/shmob_drm_kms.c @@ -18,8 +18,6 @@ #include <drm/drm_gem_cma_helper.h> #include <drm/drm_gem_framebuffer_helper.h> -#include <video/sh_mobile_meram.h> - #include "shmob_drm_crtc.h" #include "shmob_drm_drv.h" #include "shmob_drm_kms.h" @@ -35,55 +33,46 @@ static const struct shmob_drm_format_info shmob_drm_format_infos[] = { .bpp = 16, .yuv = false, .lddfr = LDDFR_PKF_RGB16, - .meram = SH_MOBILE_MERAM_PF_RGB, }, { .fourcc = DRM_FORMAT_RGB888, .bpp = 24, .yuv = false, .lddfr = LDDFR_PKF_RGB24, - .meram = SH_MOBILE_MERAM_PF_RGB, }, { .fourcc = DRM_FORMAT_ARGB8888, .bpp = 32, .yuv = false, .lddfr = LDDFR_PKF_ARGB32, - .meram = SH_MOBILE_MERAM_PF_RGB, }, { .fourcc = DRM_FORMAT_NV12, .bpp = 12, .yuv = true, .lddfr = LDDFR_CC | LDDFR_YF_420, - .meram = SH_MOBILE_MERAM_PF_NV, }, { .fourcc = DRM_FORMAT_NV21, .bpp = 12, .yuv = true, .lddfr = LDDFR_CC | LDDFR_YF_420, - .meram = SH_MOBILE_MERAM_PF_NV, }, { .fourcc = DRM_FORMAT_NV16, .bpp = 16, .yuv = true, .lddfr = LDDFR_CC | LDDFR_YF_422, - .meram = SH_MOBILE_MERAM_PF_NV, }, { .fourcc = DRM_FORMAT_NV61, .bpp = 16, .yuv = true, .lddfr = LDDFR_CC | LDDFR_YF_422, - .meram = SH_MOBILE_MERAM_PF_NV, }, { .fourcc = DRM_FORMAT_NV24, .bpp = 24, .yuv = true, .lddfr = LDDFR_CC | LDDFR_YF_444, - .meram = SH_MOBILE_MERAM_PF_NV24, }, { .fourcc = DRM_FORMAT_NV42, .bpp = 24, .yuv = true, .lddfr = LDDFR_CC | LDDFR_YF_444, - .meram = SH_MOBILE_MERAM_PF_NV24, }, }; diff --git a/drivers/gpu/drm/shmobile/shmob_drm_kms.h b/drivers/gpu/drm/shmobile/shmob_drm_kms.h index 06d5b7caa026..753e2817dc2c 100644 --- a/drivers/gpu/drm/shmobile/shmob_drm_kms.h +++ b/drivers/gpu/drm/shmobile/shmob_drm_kms.h @@ -24,7 +24,6 @@ struct shmob_drm_format_info { unsigned int bpp; bool yuv; u32 lddfr; - unsigned int meram; }; const struct shmob_drm_format_info *shmob_drm_format_info(u32 fourcc); diff --git a/drivers/gpu/drm/shmobile/shmob_drm_plane.c b/drivers/gpu/drm/shmobile/shmob_drm_plane.c index 97f6e4a3eb0d..1d0359f713ca 100644 --- a/drivers/gpu/drm/shmobile/shmob_drm_plane.c +++ b/drivers/gpu/drm/shmobile/shmob_drm_plane.c @@ -17,8 +17,6 @@ #include <drm/drm_fb_cma_helper.h> #include <drm/drm_gem_cma_helper.h> -#include <video/sh_mobile_meram.h> - #include "shmob_drm_drv.h" #include "shmob_drm_kms.h" #include "shmob_drm_plane.h" diff --git a/drivers/gpu/vga/Kconfig b/drivers/gpu/vga/Kconfig index 29437eabe095..b677e5d524e6 100644 --- a/drivers/gpu/vga/Kconfig +++ b/drivers/gpu/vga/Kconfig @@ -6,7 +6,7 @@ config VGA_ARB Some "legacy" VGA devices implemented on PCI typically have the same hard-decoded addresses as they did on ISA. When multiple PCI devices are accessed at same time they need some kind of coordination. Please - see Documentation/vgaarbiter.txt for more details. Select this to + see Documentation/gpu/vgaarbiter.rst for more details. Select this to enable VGA arbiter. config VGA_ARB_MAX_GPUS diff --git a/drivers/gpu/vga/vgaarb.c b/drivers/gpu/vga/vgaarb.c index 1c5e74cb9279..c61b04555779 100644 --- a/drivers/gpu/vga/vgaarb.c +++ b/drivers/gpu/vga/vgaarb.c @@ -1,6 +1,6 @@ /* * vgaarb.c: Implements the VGA arbitration. For details refer to - * Documentation/vgaarbiter.txt + * Documentation/gpu/vgaarbiter.rst * * * (C) Copyright 2005 Benjamin Herrenschmidt <benh@kernel.crashing.org> diff --git a/drivers/hid/usbhid/Kconfig b/drivers/hid/usbhid/Kconfig index 0108c5991a04..e50d8fe4d36c 100644 --- a/drivers/hid/usbhid/Kconfig +++ b/drivers/hid/usbhid/Kconfig @@ -14,7 +14,7 @@ config USB_HID You can't use this driver and the HIDBP (Boot Protocol) keyboard and mouse drivers at the same time. More information is available: - <file:Documentation/input/input.txt>. + <file:Documentation/input/input.rst>. If unsure, say Y. diff --git a/drivers/i2c/algos/i2c-algo-bit.c b/drivers/i2c/algos/i2c-algo-bit.c index 3df0efd69ae3..4a34f311e1ff 100644 --- a/drivers/i2c/algos/i2c-algo-bit.c +++ b/drivers/i2c/algos/i2c-algo-bit.c @@ -519,9 +519,7 @@ static int bit_doAddress(struct i2c_adapter *i2c_adap, struct i2c_msg *msg) } } } else { /* normal 7bit address */ - addr = msg->addr << 1; - if (flags & I2C_M_RD) - addr |= 1; + addr = i2c_8bit_addr_from_msg(msg); if (flags & I2C_M_REV_DIR_ADDR) addr ^= 1; ret = try_address(i2c_adap, addr, retries); diff --git a/drivers/i2c/algos/i2c-algo-pca.c b/drivers/i2c/algos/i2c-algo-pca.c index e370804ec8bc..883a290f6a4d 100644 --- a/drivers/i2c/algos/i2c-algo-pca.c +++ b/drivers/i2c/algos/i2c-algo-pca.c @@ -112,11 +112,8 @@ static int pca_address(struct i2c_algo_pca_data *adap, struct i2c_msg *msg) { int sta = pca_get_con(adap); - int addr; + int addr = i2c_8bit_addr_from_msg(msg); - addr = ((0x7f & msg->addr) << 1); - if (msg->flags & I2C_M_RD) - addr |= 1; DEB2("=== SLAVE ADDRESS %#04x+%c=%#04x\n", msg->addr, msg->flags & I2C_M_RD ? 'R' : 'W', addr); diff --git a/drivers/i2c/algos/i2c-algo-pcf.c b/drivers/i2c/algos/i2c-algo-pcf.c index 270d84bfc2c6..5c29a4d397cf 100644 --- a/drivers/i2c/algos/i2c-algo-pcf.c +++ b/drivers/i2c/algos/i2c-algo-pcf.c @@ -291,13 +291,9 @@ static int pcf_readbytes(struct i2c_adapter *i2c_adap, char *buf, static int pcf_doAddress(struct i2c_algo_pcf_data *adap, struct i2c_msg *msg) { - unsigned short flags = msg->flags; - unsigned char addr; + unsigned char addr = i2c_8bit_addr_from_msg(msg); - addr = msg->addr << 1; - if (flags & I2C_M_RD) - addr |= 1; - if (flags & I2C_M_REV_DIR_ADDR) + if (msg->flags & I2C_M_REV_DIR_ADDR) addr ^= 1; i2c_outb(adap, addr); diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index fce9f2ca0570..4f8df2ec87b1 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -943,6 +943,7 @@ config I2C_STM32F4 config I2C_STM32F7 tristate "STMicroelectronics STM32F7 I2C support" depends on ARCH_STM32 || COMPILE_TEST + select I2C_SLAVE help Enable this option to add support for STM32 I2C controller embedded in STM32F7 SoCs. diff --git a/drivers/i2c/busses/Makefile b/drivers/i2c/busses/Makefile index 189e34ba050f..5a869144a0c5 100644 --- a/drivers/i2c/busses/Makefile +++ b/drivers/i2c/busses/Makefile @@ -94,7 +94,8 @@ obj-$(CONFIG_I2C_SIRF) += i2c-sirf.o obj-$(CONFIG_I2C_SPRD) += i2c-sprd.o obj-$(CONFIG_I2C_ST) += i2c-st.o obj-$(CONFIG_I2C_STM32F4) += i2c-stm32f4.o -obj-$(CONFIG_I2C_STM32F7) += i2c-stm32f7.o +i2c-stm32f7-drv-objs := i2c-stm32f7.o i2c-stm32.o +obj-$(CONFIG_I2C_STM32F7) += i2c-stm32f7-drv.o obj-$(CONFIG_I2C_STU300) += i2c-stu300.o obj-$(CONFIG_I2C_SUN6I_P2WI) += i2c-sun6i-p2wi.o obj-$(CONFIG_I2C_SYNQUACER) += i2c-synquacer.o diff --git a/drivers/i2c/busses/i2c-aspeed.c b/drivers/i2c/busses/i2c-aspeed.c index 7d4aeb4465b3..60e4d0e939a3 100644 --- a/drivers/i2c/busses/i2c-aspeed.c +++ b/drivers/i2c/busses/i2c-aspeed.c @@ -335,13 +335,12 @@ static void aspeed_i2c_do_start(struct aspeed_i2c_bus *bus) { u32 command = ASPEED_I2CD_M_START_CMD | ASPEED_I2CD_M_TX_CMD; struct i2c_msg *msg = &bus->msgs[bus->msgs_index]; - u8 slave_addr = msg->addr << 1; + u8 slave_addr = i2c_8bit_addr_from_msg(msg); bus->master_state = ASPEED_I2C_MASTER_START; bus->buf_index = 0; if (msg->flags & I2C_M_RD) { - slave_addr |= 1; command |= ASPEED_I2CD_M_RX_CMD; /* Need to let the hardware know to NACK after RX. */ if (msg->len == 1 && !(msg->flags & I2C_M_RECV_LEN)) diff --git a/drivers/i2c/busses/i2c-at91.c b/drivers/i2c/busses/i2c-at91.c index bfd1fdff64a9..3f3e8b3bf5ff 100644 --- a/drivers/i2c/busses/i2c-at91.c +++ b/drivers/i2c/busses/i2c-at91.c @@ -518,8 +518,16 @@ static irqreturn_t atmel_twi_interrupt(int irq, void *dev_id) * the RXRDY interrupt first in order to not keep garbage data in the * Receive Holding Register for the next transfer. */ - if (irqstatus & AT91_TWI_RXRDY) - at91_twi_read_next_byte(dev); + if (irqstatus & AT91_TWI_RXRDY) { + /* + * Read all available bytes at once by polling RXRDY usable w/ + * and w/o FIFO. With FIFO enabled we could also read RXFL and + * avoid polling RXRDY. + */ + do { + at91_twi_read_next_byte(dev); + } while (at91_twi_read(dev, AT91_TWI_SR) & AT91_TWI_RXRDY); + } /* * When a NACK condition is detected, the I2C controller sets the NACK, diff --git a/drivers/i2c/busses/i2c-axxia.c b/drivers/i2c/busses/i2c-axxia.c index 13f07482ec68..8e60048a33f8 100644 --- a/drivers/i2c/busses/i2c-axxia.c +++ b/drivers/i2c/busses/i2c-axxia.c @@ -351,13 +351,15 @@ static int axxia_i2c_xfer_msg(struct axxia_i2c_dev *idev, struct i2c_msg *msg) * addr_2: addr[7:0] */ addr_1 = 0xF0 | ((msg->addr >> 7) & 0x06); + if (i2c_m_rd(msg)) + addr_1 |= 1; /* Set the R/nW bit of the address */ addr_2 = msg->addr & 0xFF; } else { /* 7-bit address * addr_1: addr[6:0] | (R/nW) * addr_2: dont care */ - addr_1 = (msg->addr << 1) & 0xFF; + addr_1 = i2c_8bit_addr_from_msg(msg); addr_2 = 0; } @@ -365,7 +367,6 @@ static int axxia_i2c_xfer_msg(struct axxia_i2c_dev *idev, struct i2c_msg *msg) /* I2C read transfer */ rx_xfer = i2c_m_recv_len(msg) ? I2C_SMBUS_BLOCK_MAX : msg->len; tx_xfer = 0; - addr_1 |= 1; /* Set the R/nW bit of the address */ } else { /* I2C write transfer */ rx_xfer = 0; @@ -532,23 +533,23 @@ static int axxia_i2c_probe(struct platform_device *pdev) if (idev->bus_clk_rate == 0) idev->bus_clk_rate = 100000; /* default clock rate */ + ret = clk_prepare_enable(idev->i2c_clk); + if (ret) { + dev_err(&pdev->dev, "failed to enable clock\n"); + return ret; + } + ret = axxia_i2c_init(idev); if (ret) { dev_err(&pdev->dev, "failed to initialize\n"); - return ret; + goto error_disable_clk; } ret = devm_request_irq(&pdev->dev, irq, axxia_i2c_isr, 0, pdev->name, idev); if (ret) { dev_err(&pdev->dev, "failed to claim IRQ%d\n", irq); - return ret; - } - - ret = clk_prepare_enable(idev->i2c_clk); - if (ret) { - dev_err(&pdev->dev, "failed to enable clock\n"); - return ret; + goto error_disable_clk; } i2c_set_adapdata(&idev->adapter, idev); @@ -563,12 +564,14 @@ static int axxia_i2c_probe(struct platform_device *pdev) platform_set_drvdata(pdev, idev); ret = i2c_add_adapter(&idev->adapter); - if (ret) { - clk_disable_unprepare(idev->i2c_clk); - return ret; - } + if (ret) + goto error_disable_clk; return 0; + +error_disable_clk: + clk_disable_unprepare(idev->i2c_clk); + return ret; } static int axxia_i2c_remove(struct platform_device *pdev) diff --git a/drivers/i2c/busses/i2c-designware-common.c b/drivers/i2c/busses/i2c-designware-common.c index 27ebd90de43b..48914dfc8ce8 100644 --- a/drivers/i2c/busses/i2c-designware-common.c +++ b/drivers/i2c/busses/i2c-designware-common.c @@ -149,18 +149,17 @@ u32 i2c_dw_scl_lcnt(u32 ic_clk, u32 tLOW, u32 tf, int offset) return ((ic_clk * (tLOW + tf) + 500000) / 1000000) - 1 + offset; } -void __i2c_dw_enable(struct dw_i2c_dev *dev, bool enable) -{ - dw_writel(dev, enable, DW_IC_ENABLE); -} - -void __i2c_dw_enable_and_wait(struct dw_i2c_dev *dev, bool enable) +void __i2c_dw_disable(struct dw_i2c_dev *dev) { int timeout = 100; do { - __i2c_dw_enable(dev, enable); - if ((dw_readl(dev, DW_IC_ENABLE_STATUS) & 1) == enable) + __i2c_dw_disable_nowait(dev); + /* + * The enable status register may be unimplemented, but + * in that case this test reads zero and exits the loop. + */ + if ((dw_readl(dev, DW_IC_ENABLE_STATUS) & 1) == 0) return; /* @@ -171,8 +170,7 @@ void __i2c_dw_enable_and_wait(struct dw_i2c_dev *dev, bool enable) usleep_range(25, 250); } while (timeout--); - dev_warn(dev->dev, "timeout in %sabling adapter\n", - enable ? "en" : "dis"); + dev_warn(dev->dev, "timeout in disabling adapter\n"); } unsigned long i2c_dw_clk_rate(struct dw_i2c_dev *dev) @@ -277,7 +275,7 @@ u32 i2c_dw_func(struct i2c_adapter *adap) void i2c_dw_disable(struct dw_i2c_dev *dev) { /* Disable controller */ - __i2c_dw_enable_and_wait(dev, false); + __i2c_dw_disable(dev); /* Disable all interupts */ dw_writel(dev, 0, DW_IC_INTR_MASK); diff --git a/drivers/i2c/busses/i2c-designware-core.h b/drivers/i2c/busses/i2c-designware-core.h index 8707c76b2fee..d690e648bc01 100644 --- a/drivers/i2c/busses/i2c-designware-core.h +++ b/drivers/i2c/busses/i2c-designware-core.h @@ -297,8 +297,6 @@ u32 dw_readl(struct dw_i2c_dev *dev, int offset); void dw_writel(struct dw_i2c_dev *dev, u32 b, int offset); u32 i2c_dw_scl_hcnt(u32 ic_clk, u32 tSYMBOL, u32 tf, int cond, int offset); u32 i2c_dw_scl_lcnt(u32 ic_clk, u32 tLOW, u32 tf, int offset); -void __i2c_dw_enable(struct dw_i2c_dev *dev, bool enable); -void __i2c_dw_enable_and_wait(struct dw_i2c_dev *dev, bool enable); unsigned long i2c_dw_clk_rate(struct dw_i2c_dev *dev); int i2c_dw_prepare_clk(struct dw_i2c_dev *dev, bool prepare); int i2c_dw_acquire_lock(struct dw_i2c_dev *dev); @@ -309,6 +307,18 @@ u32 i2c_dw_func(struct i2c_adapter *adap); void i2c_dw_disable(struct dw_i2c_dev *dev); void i2c_dw_disable_int(struct dw_i2c_dev *dev); +static inline void __i2c_dw_enable(struct dw_i2c_dev *dev) +{ + dw_writel(dev, 1, DW_IC_ENABLE); +} + +static inline void __i2c_dw_disable_nowait(struct dw_i2c_dev *dev) +{ + dw_writel(dev, 0, DW_IC_ENABLE); +} + +void __i2c_dw_disable(struct dw_i2c_dev *dev); + extern u32 i2c_dw_read_comp_param(struct dw_i2c_dev *dev); extern int i2c_dw_probe(struct dw_i2c_dev *dev); #if IS_ENABLED(CONFIG_I2C_DESIGNWARE_SLAVE) diff --git a/drivers/i2c/busses/i2c-designware-master.c b/drivers/i2c/busses/i2c-designware-master.c index 0cdba29ae0a9..27436a937492 100644 --- a/drivers/i2c/busses/i2c-designware-master.c +++ b/drivers/i2c/busses/i2c-designware-master.c @@ -81,7 +81,7 @@ static int i2c_dw_init_master(struct dw_i2c_dev *dev) comp_param1 = dw_readl(dev, DW_IC_COMP_PARAM_1); /* Disable the adapter */ - __i2c_dw_enable_and_wait(dev, false); + __i2c_dw_disable(dev); /* Set standard and fast speed deviders for high/low periods */ @@ -180,7 +180,7 @@ static void i2c_dw_xfer_init(struct dw_i2c_dev *dev) u32 ic_con, ic_tar = 0; /* Disable the adapter */ - __i2c_dw_enable_and_wait(dev, false); + __i2c_dw_disable(dev); /* If the slave address is ten bit address, enable 10BITADDR */ ic_con = dw_readl(dev, DW_IC_CON); @@ -209,7 +209,7 @@ static void i2c_dw_xfer_init(struct dw_i2c_dev *dev) i2c_dw_disable_int(dev); /* Enable the adapter */ - __i2c_dw_enable(dev, true); + __i2c_dw_enable(dev); /* Dummy read to avoid the register getting stuck on Bay Trail */ dw_readl(dev, DW_IC_ENABLE_STATUS); @@ -462,7 +462,7 @@ i2c_dw_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num) * additional interrupts are a hardware bug or this driver doesn't * handle them correctly yet. */ - __i2c_dw_enable(dev, false); + __i2c_dw_disable_nowait(dev); if (dev->msg_err) { ret = dev->msg_err; diff --git a/drivers/i2c/busses/i2c-designware-slave.c b/drivers/i2c/busses/i2c-designware-slave.c index d42558d1b002..8ce2cd368477 100644 --- a/drivers/i2c/busses/i2c-designware-slave.c +++ b/drivers/i2c/busses/i2c-designware-slave.c @@ -75,7 +75,7 @@ static int i2c_dw_init_slave(struct dw_i2c_dev *dev) comp_param1 = dw_readl(dev, DW_IC_COMP_PARAM_1); /* Disable the adapter. */ - __i2c_dw_enable_and_wait(dev, false); + __i2c_dw_disable(dev); /* Configure SDA Hold Time if required. */ reg = dw_readl(dev, DW_IC_COMP_VERSION); @@ -119,11 +119,11 @@ static int i2c_dw_reg_slave(struct i2c_client *slave) * Set slave address in the IC_SAR register, * the address to which the DW_apb_i2c responds. */ - __i2c_dw_enable(dev, false); + __i2c_dw_disable_nowait(dev); dw_writel(dev, slave->addr, DW_IC_SAR); dev->slave = slave; - __i2c_dw_enable(dev, true); + __i2c_dw_enable(dev); dev->cmd_err = 0; dev->msg_write_idx = 0; diff --git a/drivers/i2c/busses/i2c-diolan-u2c.c b/drivers/i2c/busses/i2c-diolan-u2c.c index f718ee4e3332..3f28317cde39 100644 --- a/drivers/i2c/busses/i2c-diolan-u2c.c +++ b/drivers/i2c/busses/i2c-diolan-u2c.c @@ -360,11 +360,11 @@ static int diolan_usb_xfer(struct i2c_adapter *adapter, struct i2c_msg *msgs, if (ret < 0) goto abort; } + ret = diolan_i2c_put_byte_ack(dev, + i2c_8bit_addr_from_msg(pmsg)); + if (ret < 0) + goto abort; if (pmsg->flags & I2C_M_RD) { - ret = - diolan_i2c_put_byte_ack(dev, (pmsg->addr << 1) | 1); - if (ret < 0) - goto abort; for (j = 0; j < pmsg->len; j++) { u8 byte; bool ack = j < pmsg->len - 1; @@ -393,9 +393,6 @@ static int diolan_usb_xfer(struct i2c_adapter *adapter, struct i2c_msg *msgs, pmsg->buf[j] = byte; } } else { - ret = diolan_i2c_put_byte_ack(dev, pmsg->addr << 1); - if (ret < 0) - goto abort; for (j = 0; j < pmsg->len; j++) { ret = diolan_i2c_put_byte_ack(dev, pmsg->buf[j]); diff --git a/drivers/i2c/busses/i2c-efm32.c b/drivers/i2c/busses/i2c-efm32.c index aa336ba89aa3..5f2bab878b2c 100644 --- a/drivers/i2c/busses/i2c-efm32.c +++ b/drivers/i2c/busses/i2c-efm32.c @@ -144,8 +144,7 @@ static void efm32_i2c_send_next_msg(struct efm32_i2c_ddata *ddata) struct i2c_msg *cur_msg = &ddata->msgs[ddata->current_msg]; efm32_i2c_write32(ddata, REG_CMD, REG_CMD_START); - efm32_i2c_write32(ddata, REG_TXDATA, cur_msg->addr << 1 | - (cur_msg->flags & I2C_M_RD ? 1 : 0)); + efm32_i2c_write32(ddata, REG_TXDATA, i2c_8bit_addr_from_msg(cur_msg)); } static void efm32_i2c_send_next_byte(struct efm32_i2c_ddata *ddata) diff --git a/drivers/i2c/busses/i2c-eg20t.c b/drivers/i2c/busses/i2c-eg20t.c index bdeab0174fec..835d54ac2971 100644 --- a/drivers/i2c/busses/i2c-eg20t.c +++ b/drivers/i2c/busses/i2c-eg20t.c @@ -414,7 +414,7 @@ static s32 pch_i2c_writebytes(struct i2c_adapter *i2c_adap, iowrite32(addr_8_lsb, p + PCH_I2CDR); } else { /* set 7 bit slave address and R/W bit as 0 */ - iowrite32(addr << 1, p + PCH_I2CDR); + iowrite32(i2c_8bit_addr_from_msg(msgs), p + PCH_I2CDR); if (first) pch_i2c_start(adap); } @@ -538,8 +538,7 @@ static s32 pch_i2c_readbytes(struct i2c_adapter *i2c_adap, struct i2c_msg *msgs, iowrite32(addr_2_msb | TEN_BIT_ADDR_MASK, p + PCH_I2CDR); } else { /* 7 address bits + R/W bit */ - addr = (((addr) << 1) | (I2C_RD)); - iowrite32(addr, p + PCH_I2CDR); + iowrite32(i2c_8bit_addr_from_msg(msgs), p + PCH_I2CDR); } /* check if it is the first message */ diff --git a/drivers/i2c/busses/i2c-emev2.c b/drivers/i2c/busses/i2c-emev2.c index d2e84480fbe9..ba9b6ea48a31 100644 --- a/drivers/i2c/busses/i2c-emev2.c +++ b/drivers/i2c/busses/i2c-emev2.c @@ -149,7 +149,7 @@ static int __em_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msg, em_clear_set_bit(priv, 0, I2C_BIT_STT0, I2C_OFS_IICC0); /* Send slave address and R/W type */ - writeb((msg->addr << 1) | read, priv->base + I2C_OFS_IIC0); + writeb(i2c_8bit_addr_from_msg(msg), priv->base + I2C_OFS_IIC0); /* Wait for transaction */ status = em_i2c_wait_for_event(priv); diff --git a/drivers/i2c/busses/i2c-exynos5.c b/drivers/i2c/busses/i2c-exynos5.c index 12ec8484e653..de82ad8ff534 100644 --- a/drivers/i2c/busses/i2c-exynos5.c +++ b/drivers/i2c/busses/i2c-exynos5.c @@ -707,7 +707,7 @@ static int exynos5_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) { struct exynos5_i2c *i2c = adap->algo_data; - int i = 0, ret = 0, stop = 0; + int i, ret; if (i2c->suspended) { dev_err(i2c->dev, "HS-I2C is not initialized.\n"); @@ -718,30 +718,15 @@ static int exynos5_i2c_xfer(struct i2c_adapter *adap, if (ret) return ret; - for (i = 0; i < num; i++, msgs++) { - stop = (i == num - 1); - - ret = exynos5_i2c_xfer_msg(i2c, msgs, stop); - - if (ret < 0) - goto out; - } - - if (i == num) { - ret = num; - } else { - /* Only one message, cannot access the device */ - if (i == 1) - ret = -EREMOTEIO; - else - ret = i; - - dev_warn(i2c->dev, "xfer message failed\n"); + for (i = 0; i < num; ++i) { + ret = exynos5_i2c_xfer_msg(i2c, msgs + i, i + 1 == num); + if (ret) + break; } - out: clk_disable(i2c->clk); - return ret; + + return ret ?: num; } static u32 exynos5_i2c_func(struct i2c_adapter *adap) diff --git a/drivers/i2c/busses/i2c-gpio.c b/drivers/i2c/busses/i2c-gpio.c index 58abb3eced58..005e6e0330c2 100644 --- a/drivers/i2c/busses/i2c-gpio.c +++ b/drivers/i2c/busses/i2c-gpio.c @@ -11,7 +11,7 @@ #include <linux/delay.h> #include <linux/i2c.h> #include <linux/i2c-algo-bit.h> -#include <linux/i2c-gpio.h> +#include <linux/platform_data/i2c-gpio.h> #include <linux/init.h> #include <linux/module.h> #include <linux/slab.h> diff --git a/drivers/i2c/busses/i2c-hix5hd2.c b/drivers/i2c/busses/i2c-hix5hd2.c index bb68957d3da5..061a4bfb03f4 100644 --- a/drivers/i2c/busses/i2c-hix5hd2.c +++ b/drivers/i2c/busses/i2c-hix5hd2.c @@ -73,7 +73,6 @@ #define I2C_OVER_INTR BIT(0) #define HIX5I2C_MAX_FREQ 400000 /* 400k */ -#define HIX5I2C_READ_OPERATION 0x01 enum hix5hd2_i2c_state { HIX5I2C_STAT_RW_ERR = -1, @@ -311,12 +310,8 @@ static void hix5hd2_i2c_message_start(struct hix5hd2_i2c_priv *priv, int stop) hix5hd2_i2c_clr_all_irq(priv); hix5hd2_i2c_enable_irq(priv); - if (priv->msg->flags & I2C_M_RD) - writel_relaxed((priv->msg->addr << 1) | HIX5I2C_READ_OPERATION, - priv->regs + HIX5I2C_TXR); - else - writel_relaxed(priv->msg->addr << 1, - priv->regs + HIX5I2C_TXR); + writel_relaxed(i2c_8bit_addr_from_msg(priv->msg), + priv->regs + HIX5I2C_TXR); writel_relaxed(I2C_WRITE | I2C_START, priv->regs + HIX5I2C_COM); spin_unlock_irqrestore(&priv->lock, flags); @@ -377,17 +372,7 @@ static int hix5hd2_i2c_xfer(struct i2c_adapter *adap, goto out; } - if (i == num) { - ret = num; - } else { - /* Only one message, cannot access the device */ - if (i == 1) - ret = -EREMOTEIO; - else - ret = i; - - dev_warn(priv->dev, "xfer message failed\n"); - } + ret = num; out: pm_runtime_mark_last_busy(priv->dev); @@ -471,7 +456,6 @@ static int hix5hd2_i2c_probe(struct platform_device *pdev) goto err_clk; } - pm_suspend_ignore_children(&pdev->dev, true); pm_runtime_set_autosuspend_delay(priv->dev, MSEC_PER_SEC); pm_runtime_use_autosuspend(priv->dev); pm_runtime_set_active(priv->dev); diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index e0d59e9ff3c6..aa726607645e 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -106,7 +106,7 @@ #if IS_ENABLED(CONFIG_I2C_MUX_GPIO) && defined CONFIG_DMI #include <linux/gpio.h> -#include <linux/i2c-mux-gpio.h> +#include <linux/platform_data/i2c-mux-gpio.h> #endif /* I801 SMBus address offsets */ @@ -1710,7 +1710,7 @@ static void i801_shutdown(struct pci_dev *dev) pci_write_config_byte(dev, SMBHSTCFG, priv->original_hstcfg); } -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP static int i801_suspend(struct device *dev) { struct pci_dev *pci_dev = to_pci_dev(dev); @@ -1731,8 +1731,7 @@ static int i801_resume(struct device *dev) } #endif -static UNIVERSAL_DEV_PM_OPS(i801_pm_ops, i801_suspend, - i801_resume, NULL); +static SIMPLE_DEV_PM_OPS(i801_pm_ops, i801_suspend, i801_resume); static struct pci_driver i801_driver = { .name = "i801_smbus", diff --git a/drivers/i2c/busses/i2c-ibm_iic.c b/drivers/i2c/busses/i2c-ibm_iic.c index 961c5f42d956..6f6e1dfe7cce 100644 --- a/drivers/i2c/busses/i2c-ibm_iic.c +++ b/drivers/i2c/busses/i2c-ibm_iic.c @@ -561,9 +561,6 @@ static int iic_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) DBG2("%d: iic_xfer, %d msg(s)\n", dev->idx, num); - if (!num) - return 0; - /* Check the sanity of the passed messages. * Uhh, generic i2c layer is more suitable place for such code... */ diff --git a/drivers/i2c/busses/i2c-imx-lpi2c.c b/drivers/i2c/busses/i2c-imx-lpi2c.c index e6da2c7a9a3e..6d975f5221ca 100644 --- a/drivers/i2c/busses/i2c-imx-lpi2c.c +++ b/drivers/i2c/busses/i2c-imx-lpi2c.c @@ -1,18 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * This is i.MX low power i2c controller driver. * * Copyright 2016 Freescale Semiconductor, Inc. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ #include <linux/clk.h> @@ -180,15 +170,13 @@ static int lpi2c_imx_start(struct lpi2c_imx_struct *lpi2c_imx, struct i2c_msg *msgs) { unsigned int temp; - u8 read; temp = readl(lpi2c_imx->base + LPI2C_MCR); temp |= MCR_RRF | MCR_RTF; writel(temp, lpi2c_imx->base + LPI2C_MCR); writel(0x7f00, lpi2c_imx->base + LPI2C_MSR); - read = msgs->flags & I2C_M_RD; - temp = (msgs->addr << 1 | read) | (GEN_START << 8); + temp = i2c_8bit_addr_from_msg(msgs) | (GEN_START << 8); writel(temp, lpi2c_imx->base + LPI2C_MTDR); return lpi2c_imx_bus_busy(lpi2c_imx); diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c index d7267dd9c7bf..0207e194f84b 100644 --- a/drivers/i2c/busses/i2c-imx.c +++ b/drivers/i2c/busses/i2c-imx.c @@ -1,16 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2002 Motorola GSG-China * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * * Author: * Darius Augulis, Teltonika Inc. * @@ -630,7 +621,7 @@ static int i2c_imx_dma_write(struct imx_i2c_struct *i2c_imx, * Write slave address. * The first byte must be transmitted by the CPU. */ - imx_i2c_write_reg(msgs->addr << 1, i2c_imx, IMX_I2C_I2DR); + imx_i2c_write_reg(i2c_8bit_addr_from_msg(msgs), i2c_imx, IMX_I2C_I2DR); reinit_completion(&i2c_imx->dma->cmd_complete); time_left = wait_for_completion_timeout( &i2c_imx->dma->cmd_complete, @@ -760,10 +751,10 @@ static int i2c_imx_write(struct imx_i2c_struct *i2c_imx, struct i2c_msg *msgs) int i, result; dev_dbg(&i2c_imx->adapter.dev, "<%s> write slave address: addr=0x%x\n", - __func__, msgs->addr << 1); + __func__, i2c_8bit_addr_from_msg(msgs)); /* write slave address */ - imx_i2c_write_reg(msgs->addr << 1, i2c_imx, IMX_I2C_I2DR); + imx_i2c_write_reg(i2c_8bit_addr_from_msg(msgs), i2c_imx, IMX_I2C_I2DR); result = i2c_imx_trx_complete(i2c_imx); if (result) return result; @@ -796,10 +787,10 @@ static int i2c_imx_read(struct imx_i2c_struct *i2c_imx, struct i2c_msg *msgs, bo dev_dbg(&i2c_imx->adapter.dev, "<%s> write slave address: addr=0x%x\n", - __func__, (msgs->addr << 1) | 0x01); + __func__, i2c_8bit_addr_from_msg(msgs)); /* write slave address */ - imx_i2c_write_reg((msgs->addr << 1) | 0x01, i2c_imx, IMX_I2C_I2DR); + imx_i2c_write_reg(i2c_8bit_addr_from_msg(msgs), i2c_imx, IMX_I2C_I2DR); result = i2c_imx_trx_complete(i2c_imx); if (result) return result; diff --git a/drivers/i2c/busses/i2c-kempld.c b/drivers/i2c/busses/i2c-kempld.c index e879190b5d1d..1c874aaa0447 100644 --- a/drivers/i2c/busses/i2c-kempld.c +++ b/drivers/i2c/busses/i2c-kempld.c @@ -124,15 +124,14 @@ static int kempld_i2c_process(struct kempld_i2c_data *i2c) /* 10 bit address? */ if (i2c->msg->flags & I2C_M_TEN) { addr = 0xf0 | ((i2c->msg->addr >> 7) & 0x6); + /* Set read bit if necessary */ + addr |= (i2c->msg->flags & I2C_M_RD) ? 1 : 0; i2c->state = STATE_ADDR10; } else { - addr = (i2c->msg->addr << 1); + addr = i2c_8bit_addr_from_msg(i2c->msg); i2c->state = STATE_START; } - /* Set read bit if necessary */ - addr |= (i2c->msg->flags & I2C_M_RD) ? 1 : 0; - kempld_write8(pld, KEMPLD_I2C_DATA, addr); kempld_write8(pld, KEMPLD_I2C_CMD, I2C_CMD_START); diff --git a/drivers/i2c/busses/i2c-mlxcpld.c b/drivers/i2c/busses/i2c-mlxcpld.c index 4c28fa28ce76..745ed43a22d6 100644 --- a/drivers/i2c/busses/i2c-mlxcpld.c +++ b/drivers/i2c/busses/i2c-mlxcpld.c @@ -45,13 +45,16 @@ #define MLXCPLD_I2C_VALID_FLAG (I2C_M_RECV_LEN | I2C_M_RD) #define MLXCPLD_I2C_BUS_NUM 1 #define MLXCPLD_I2C_DATA_REG_SZ 36 +#define MLXCPLD_I2C_DATA_SZ_BIT BIT(5) +#define MLXCPLD_I2C_DATA_SZ_MASK GENMASK(6, 5) +#define MLXCPLD_I2C_SMBUS_BLK_BIT BIT(7) #define MLXCPLD_I2C_MAX_ADDR_LEN 4 #define MLXCPLD_I2C_RETR_NUM 2 #define MLXCPLD_I2C_XFER_TO 500000 /* usec */ #define MLXCPLD_I2C_POLL_TIME 2000 /* usec */ /* LPC I2C registers */ -#define MLXCPLD_LPCI2C_LPF_REG 0x0 +#define MLXCPLD_LPCI2C_CPBLTY_REG 0x0 #define MLXCPLD_LPCI2C_CTRL_REG 0x1 #define MLXCPLD_LPCI2C_HALF_CYC_REG 0x4 #define MLXCPLD_LPCI2C_I2C_HOLD_REG 0x5 @@ -83,6 +86,7 @@ struct mlxcpld_i2c_priv { struct mutex lock; struct mlxcpld_i2c_curr_xfer xfer; struct device *dev; + bool smbus_block; }; static void mlxcpld_i2c_lpc_write_buf(u8 *data, u8 len, u32 addr) @@ -230,7 +234,7 @@ static void mlxcpld_i2c_set_transf_data(struct mlxcpld_i2c_priv *priv, * All upper layers currently are never use transfer with more than * 2 messages. Actually, it's also not so relevant in Mellanox systems * because of HW limitation. Max size of transfer is not more than 32 - * bytes in the current x86 LPCI2C bridge. + * or 68 bytes in the current x86 LPCI2C bridge. */ priv->xfer.cmd = msgs[num - 1].flags & I2C_M_RD; @@ -295,7 +299,7 @@ static int mlxcpld_i2c_wait_for_free(struct mlxcpld_i2c_priv *priv) static int mlxcpld_i2c_wait_for_tc(struct mlxcpld_i2c_priv *priv) { int status, i, timeout = 0; - u8 datalen; + u8 datalen, val; do { usleep_range(MLXCPLD_I2C_POLL_TIME / 2, MLXCPLD_I2C_POLL_TIME); @@ -324,9 +328,22 @@ static int mlxcpld_i2c_wait_for_tc(struct mlxcpld_i2c_priv *priv) * Actual read data len will be always the same as * requested len. 0xff (line pull-up) will be returned * if slave has no data to return. Thus don't read - * MLXCPLD_LPCI2C_NUM_DAT_REG reg from CPLD. + * MLXCPLD_LPCI2C_NUM_DAT_REG reg from CPLD. Only in case of + * SMBus block read transaction data len can be different, + * check this case. */ - datalen = priv->xfer.data_len; + mlxcpld_i2c_read_comm(priv, MLXCPLD_LPCI2C_NUM_ADDR_REG, &val, + 1); + if (priv->smbus_block && (val & MLXCPLD_I2C_SMBUS_BLK_BIT)) { + mlxcpld_i2c_read_comm(priv, MLXCPLD_LPCI2C_NUM_DAT_REG, + &datalen, 1); + if (unlikely(datalen > (I2C_SMBUS_BLOCK_MAX + 1))) { + dev_err(priv->dev, "Incorrect smbus block read message len\n"); + return -E2BIG; + } + } else { + datalen = priv->xfer.data_len; + } mlxcpld_i2c_read_comm(priv, MLXCPLD_LPCI2C_DATA_REG, priv->xfer.msg[i].buf, datalen); @@ -344,12 +361,20 @@ static int mlxcpld_i2c_wait_for_tc(struct mlxcpld_i2c_priv *priv) static void mlxcpld_i2c_xfer_msg(struct mlxcpld_i2c_priv *priv) { int i, len = 0; - u8 cmd; + u8 cmd, val; mlxcpld_i2c_write_comm(priv, MLXCPLD_LPCI2C_NUM_DAT_REG, &priv->xfer.data_len, 1); - mlxcpld_i2c_write_comm(priv, MLXCPLD_LPCI2C_NUM_ADDR_REG, - &priv->xfer.addr_width, 1); + + val = priv->xfer.addr_width; + /* Notify HW about SMBus block read transaction */ + if (priv->smbus_block && priv->xfer.msg_num >= 2 && + priv->xfer.msg[1].len == 1 && + (priv->xfer.msg[1].flags & I2C_M_RECV_LEN) && + (priv->xfer.msg[1].flags & I2C_M_RD)) + val |= MLXCPLD_I2C_SMBUS_BLK_BIT; + + mlxcpld_i2c_write_comm(priv, MLXCPLD_LPCI2C_NUM_ADDR_REG, &val, 1); for (i = 0; i < priv->xfer.msg_num; i++) { if ((priv->xfer.msg[i].flags & I2C_M_RD) != I2C_M_RD) { @@ -425,7 +450,14 @@ static int mlxcpld_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, static u32 mlxcpld_i2c_func(struct i2c_adapter *adap) { - return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL | I2C_FUNC_SMBUS_BLOCK_DATA; + struct mlxcpld_i2c_priv *priv = i2c_get_adapdata(adap); + + if (priv->smbus_block) + return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL | + I2C_FUNC_SMBUS_I2C_BLOCK | I2C_FUNC_SMBUS_BLOCK_DATA; + else + return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL | + I2C_FUNC_SMBUS_I2C_BLOCK; } static const struct i2c_algorithm mlxcpld_i2c_algo = { @@ -440,6 +472,13 @@ static const struct i2c_adapter_quirks mlxcpld_i2c_quirks = { .max_comb_1st_msg_len = 4, }; +static const struct i2c_adapter_quirks mlxcpld_i2c_quirks_ext = { + .flags = I2C_AQ_COMB_WRITE_THEN_READ, + .max_read_len = MLXCPLD_I2C_DATA_REG_SZ * 2 - MLXCPLD_I2C_MAX_ADDR_LEN, + .max_write_len = MLXCPLD_I2C_DATA_REG_SZ * 2, + .max_comb_1st_msg_len = 4, +}; + static struct i2c_adapter mlxcpld_i2c_adapter = { .owner = THIS_MODULE, .name = "i2c-mlxcpld", @@ -454,6 +493,7 @@ static int mlxcpld_i2c_probe(struct platform_device *pdev) { struct mlxcpld_i2c_priv *priv; int err; + u8 val; priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); if (!priv) @@ -466,6 +506,16 @@ static int mlxcpld_i2c_probe(struct platform_device *pdev) /* Register with i2c layer */ mlxcpld_i2c_adapter.timeout = usecs_to_jiffies(MLXCPLD_I2C_XFER_TO); + /* Read capability register */ + mlxcpld_i2c_read_comm(priv, MLXCPLD_LPCI2C_CPBLTY_REG, &val, 1); + /* Check support for extended transaction length */ + if ((val & MLXCPLD_I2C_DATA_SZ_MASK) == MLXCPLD_I2C_DATA_SZ_BIT) + mlxcpld_i2c_adapter.quirks = &mlxcpld_i2c_quirks_ext; + /* Check support for smbus block transaction */ + if (val & MLXCPLD_I2C_SMBUS_BLK_BIT) + priv->smbus_block = true; + if (pdev->id >= -1) + mlxcpld_i2c_adapter.nr = pdev->id; priv->adap = mlxcpld_i2c_adapter; priv->adap.dev.parent = &pdev->dev; priv->base_addr = MLXPLAT_CPLD_LPC_I2C_BASE_ADDR; diff --git a/drivers/i2c/busses/i2c-mt65xx.c b/drivers/i2c/busses/i2c-mt65xx.c index cf23a746cc17..1e57f58fcb00 100644 --- a/drivers/i2c/busses/i2c-mt65xx.c +++ b/drivers/i2c/busses/i2c-mt65xx.c @@ -27,6 +27,7 @@ #include <linux/mm.h> #include <linux/module.h> #include <linux/of_address.h> +#include <linux/of_device.h> #include <linux/of_irq.h> #include <linux/platform_device.h> #include <linux/scatterlist.h> @@ -734,7 +735,6 @@ static int mtk_i2c_parse_dt(struct device_node *np, struct mtk_i2c *i2c) static int mtk_i2c_probe(struct platform_device *pdev) { - const struct of_device_id *of_id; int ret = 0; struct mtk_i2c *i2c; struct clk *clk; @@ -761,11 +761,7 @@ static int mtk_i2c_probe(struct platform_device *pdev) init_completion(&i2c->msg_complete); - of_id = of_match_node(mtk_i2c_of_match, pdev->dev.of_node); - if (!of_id) - return -EINVAL; - - i2c->dev_comp = of_id->data; + i2c->dev_comp = of_device_get_match_data(&pdev->dev); i2c->adap.dev.of_node = pdev->dev.of_node; i2c->dev = &pdev->dev; i2c->adap.dev.parent = &pdev->dev; diff --git a/drivers/i2c/busses/i2c-mxs.c b/drivers/i2c/busses/i2c-mxs.c index e617bd600794..642c58946d8d 100644 --- a/drivers/i2c/busses/i2c-mxs.c +++ b/drivers/i2c/busses/i2c-mxs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Freescale MXS I2C bus driver * @@ -7,12 +8,6 @@ * based on a (non-working) driver which was: * * Copyright (C) 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * */ #include <linux/slab.h> @@ -180,9 +175,10 @@ static int mxs_i2c_dma_setup_xfer(struct i2c_adapter *adap, struct dma_async_tx_descriptor *desc; struct mxs_i2c_dev *i2c = i2c_get_adapdata(adap); + i2c->addr_data = i2c_8bit_addr_from_msg(msg); + if (msg->flags & I2C_M_RD) { i2c->dma_read = true; - i2c->addr_data = (msg->addr << 1) | I2C_SMBUS_READ; /* * SELECT command. @@ -240,7 +236,6 @@ static int mxs_i2c_dma_setup_xfer(struct i2c_adapter *adap, } } else { i2c->dma_read = false; - i2c->addr_data = (msg->addr << 1) | I2C_SMBUS_WRITE; /* * WRITE command. @@ -371,7 +366,7 @@ static int mxs_i2c_pio_setup_xfer(struct i2c_adapter *adap, struct i2c_msg *msg, uint32_t flags) { struct mxs_i2c_dev *i2c = i2c_get_adapdata(adap); - uint32_t addr_data = msg->addr << 1; + uint32_t addr_data = i2c_8bit_addr_from_msg(msg); uint32_t data = 0; int i, ret, xlen = 0, xmit = 0; uint32_t start; @@ -411,8 +406,6 @@ static int mxs_i2c_pio_setup_xfer(struct i2c_adapter *adap, */ BUG_ON(msg->len > 4); - addr_data |= I2C_SMBUS_READ; - /* SELECT command. */ mxs_i2c_pio_trigger_write_cmd(i2c, MXS_CMD_I2C_SELECT, addr_data); @@ -450,7 +443,6 @@ static int mxs_i2c_pio_setup_xfer(struct i2c_adapter *adap, * fast enough. It is possible to transfer arbitrary amount * of data using PIO write. */ - addr_data |= I2C_SMBUS_WRITE; /* * The LSB of data buffer is the first byte blasted across diff --git a/drivers/i2c/busses/i2c-nomadik.c b/drivers/i2c/busses/i2c-nomadik.c index 49c7c0c91486..0ed5a41804dc 100644 --- a/drivers/i2c/busses/i2c-nomadik.c +++ b/drivers/i2c/busses/i2c-nomadik.c @@ -1012,8 +1012,6 @@ static int nmk_i2c_probe(struct amba_device *adev, const struct amba_id *id) goto err_no_mem; } - pm_suspend_ignore_children(&adev->dev, true); - dev->clk = devm_clk_get(&adev->dev, NULL); if (IS_ERR(dev->clk)) { dev_err(&adev->dev, "could not get i2c clock\n"); diff --git a/drivers/i2c/busses/i2c-ocores.c b/drivers/i2c/busses/i2c-ocores.c index 45ae3c025bf6..88444ef74943 100644 --- a/drivers/i2c/busses/i2c-ocores.c +++ b/drivers/i2c/busses/i2c-ocores.c @@ -21,7 +21,7 @@ #include <linux/i2c.h> #include <linux/interrupt.h> #include <linux/wait.h> -#include <linux/i2c-ocores.h> +#include <linux/platform_data/i2c-ocores.h> #include <linux/slab.h> #include <linux/io.h> #include <linux/log2.h> @@ -222,10 +222,7 @@ static int ocores_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) i2c->nmsgs = num; i2c->state = STATE_START; - oc_setreg(i2c, OCI2C_DATA, - (i2c->msg->addr << 1) | - ((i2c->msg->flags & I2C_M_RD) ? 1:0)); - + oc_setreg(i2c, OCI2C_DATA, i2c_8bit_addr_from_msg(i2c->msg)); oc_setreg(i2c, OCI2C_CMD, OCI2C_CMD_START); if (wait_event_timeout(i2c->wait, (i2c->state == STATE_ERROR) || diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index b9172f08fd05..65d06a819307 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -36,7 +36,7 @@ #include <linux/of.h> #include <linux/of_device.h> #include <linux/slab.h> -#include <linux/i2c-omap.h> +#include <linux/platform_data/i2c-omap.h> #include <linux/pm_runtime.h> #include <linux/pinctrl/consumer.h> diff --git a/drivers/i2c/busses/i2c-opal.c b/drivers/i2c/busses/i2c-opal.c index 0aabb7eca0c5..dc2a23f4fb52 100644 --- a/drivers/i2c/busses/i2c-opal.c +++ b/drivers/i2c/busses/i2c-opal.c @@ -94,8 +94,6 @@ static int i2c_opal_master_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, */ memset(&req, 0, sizeof(req)); switch(num) { - case 0: - return 0; case 1: req.type = (msgs[0].flags & I2C_M_RD) ? OPAL_I2C_RAW_READ : OPAL_I2C_RAW_WRITE; @@ -114,8 +112,6 @@ static int i2c_opal_master_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, req.size = cpu_to_be32(msgs[1].len); req.buffer_ra = cpu_to_be64(__pa(msgs[1].buf)); break; - default: - return -EOPNOTSUPP; } rc = i2c_opal_send_request(opal_id, &req); diff --git a/drivers/i2c/busses/i2c-pasemi.c b/drivers/i2c/busses/i2c-pasemi.c index df1dbc92a024..55fd5c6f3cca 100644 --- a/drivers/i2c/busses/i2c-pasemi.c +++ b/drivers/i2c/busses/i2c-pasemi.c @@ -121,7 +121,7 @@ static int pasemi_i2c_xfer_msg(struct i2c_adapter *adapter, read = msg->flags & I2C_M_RD ? 1 : 0; - TXFIFO_WR(smbus, MTXFIFO_START | (msg->addr << 1) | read); + TXFIFO_WR(smbus, MTXFIFO_START | i2c_8bit_addr_from_msg(msg)); if (read) { TXFIFO_WR(smbus, msg->len | MTXFIFO_READ | diff --git a/drivers/i2c/busses/i2c-pca-platform.c b/drivers/i2c/busses/i2c-pca-platform.c index bc2707ffd409..de3fe6e828cb 100644 --- a/drivers/i2c/busses/i2c-pca-platform.c +++ b/drivers/i2c/busses/i2c-pca-platform.c @@ -20,7 +20,7 @@ #include <linux/interrupt.h> #include <linux/platform_device.h> #include <linux/i2c-algo-pca.h> -#include <linux/i2c-pca-platform.h> +#include <linux/platform_data/i2c-pca-platform.h> #include <linux/gpio.h> #include <linux/gpio/consumer.h> #include <linux/io.h> diff --git a/drivers/i2c/busses/i2c-pnx.c b/drivers/i2c/busses/i2c-pnx.c index a542041df0cd..6e0e546ef83f 100644 --- a/drivers/i2c/busses/i2c-pnx.c +++ b/drivers/i2c/busses/i2c-pnx.c @@ -18,7 +18,6 @@ #include <linux/timer.h> #include <linux/completion.h> #include <linux/platform_device.h> -#include <linux/i2c-pnx.h> #include <linux/io.h> #include <linux/err.h> #include <linux/clk.h> @@ -29,6 +28,26 @@ #define I2C_PNX_SPEED_KHZ_DEFAULT 100 #define I2C_PNX_REGION_SIZE 0x100 +struct i2c_pnx_mif { + int ret; /* Return value */ + int mode; /* Interface mode */ + struct completion complete; /* I/O completion */ + struct timer_list timer; /* Timeout */ + u8 * buf; /* Data buffer */ + int len; /* Length of data buffer */ + int order; /* RX Bytes to order via TX */ +}; + +struct i2c_pnx_algo_data { + void __iomem *ioaddr; + struct i2c_pnx_mif mif; + int last; + struct clk *clk; + struct i2c_adapter adapter; + int irq; + u32 timeout; +}; + enum { mstatus_tdi = 0x00000001, mstatus_afi = 0x00000002, diff --git a/drivers/i2c/busses/i2c-qup.c b/drivers/i2c/busses/i2c-qup.c index ebbf9cdec86b..c86c3ae1318f 100644 --- a/drivers/i2c/busses/i2c-qup.c +++ b/drivers/i2c/busses/i2c-qup.c @@ -136,8 +136,13 @@ */ #define TOUT_MIN 2 +/* I2C Frequency Modes */ +#define I2C_STANDARD_FREQ 100000 +#define I2C_FAST_MODE_FREQ 400000 +#define I2C_FAST_MODE_PLUS_FREQ 1000000 + /* Default values. Use these if FW query fails */ -#define DEFAULT_CLK_FREQ 100000 +#define DEFAULT_CLK_FREQ I2C_STANDARD_FREQ #define DEFAULT_SRC_CLK 20000000 /* @@ -150,6 +155,10 @@ /* TAG length for DATA READ in RX FIFO */ #define READ_RX_TAGS_LEN 2 +static unsigned int scl_freq; +module_param_named(scl_freq, scl_freq, uint, 0444); +MODULE_PARM_DESC(scl_freq, "SCL frequency override"); + /* * count: no of blocks * pos: current block number @@ -453,7 +462,7 @@ static void qup_i2c_write_tx_fifo_v1(struct qup_i2c_dev *qup) { struct qup_i2c_block *blk = &qup->blk; struct i2c_msg *msg = qup->msg; - u32 addr = msg->addr << 1; + u32 addr = i2c_8bit_addr_from_msg(msg); u32 qup_tag; int idx; u32 val; @@ -1648,6 +1657,12 @@ static void qup_i2c_disable_clocks(struct qup_i2c_dev *qup) clk_disable_unprepare(qup->pclk); } +static const struct acpi_device_id qup_i2c_acpi_match[] = { + { "QCOM8010"}, + { }, +}; +MODULE_DEVICE_TABLE(acpi, qup_i2c_acpi_match); + static int qup_i2c_probe(struct platform_device *pdev) { static const int blk_sizes[] = {4, 16, 32}; @@ -1669,10 +1684,15 @@ static int qup_i2c_probe(struct platform_device *pdev) init_completion(&qup->xfer); platform_set_drvdata(pdev, qup); - ret = device_property_read_u32(qup->dev, "clock-frequency", &clk_freq); - if (ret) { - dev_notice(qup->dev, "using default clock-frequency %d", - DEFAULT_CLK_FREQ); + if (scl_freq) { + dev_notice(qup->dev, "Using override frequency of %u\n", scl_freq); + clk_freq = scl_freq; + } else { + ret = device_property_read_u32(qup->dev, "clock-frequency", &clk_freq); + if (ret) { + dev_notice(qup->dev, "using default clock-frequency %d", + DEFAULT_CLK_FREQ); + } } if (of_device_is_compatible(pdev->dev.of_node, "qcom,i2c-qup-v1.1.1")) { @@ -1682,7 +1702,10 @@ static int qup_i2c_probe(struct platform_device *pdev) } else { qup->adap.algo = &qup_i2c_algo_v2; is_qup_v1 = false; - ret = qup_i2c_req_dma(qup); + if (acpi_match_device(qup_i2c_acpi_match, qup->dev)) + goto nodma; + else + ret = qup_i2c_req_dma(qup); if (ret == -EPROBE_DEFER) goto fail_dma; @@ -1734,8 +1757,8 @@ static int qup_i2c_probe(struct platform_device *pdev) } nodma: - /* We support frequencies up to FAST Mode (400KHz) */ - if (!clk_freq || clk_freq > 400000) { + /* We support frequencies up to FAST Mode Plus (1MHz) */ + if (!clk_freq || clk_freq > I2C_FAST_MODE_PLUS_FREQ) { dev_err(qup->dev, "clock frequency not supported %d\n", clk_freq); return -EINVAL; @@ -1839,9 +1862,15 @@ nodma: size = QUP_INPUT_FIFO_SIZE(io_mode); qup->in_fifo_sz = qup->in_blk_sz * (2 << size); - fs_div = ((src_clk_freq / clk_freq) / 2) - 3; hs_div = 3; - qup->clk_ctl = (hs_div << 8) | (fs_div & 0xff); + if (clk_freq <= I2C_STANDARD_FREQ) { + fs_div = ((src_clk_freq / clk_freq) / 2) - 3; + qup->clk_ctl = (hs_div << 8) | (fs_div & 0xff); + } else { + /* 33%/66% duty cycle */ + fs_div = ((src_clk_freq / clk_freq) - 6) * 2 / 3; + qup->clk_ctl = ((fs_div / 2) << 16) | (hs_div << 8) | (fs_div & 0xff); + } /* * Time it takes for a byte to be clocked out on the bus. @@ -1959,14 +1988,6 @@ static const struct of_device_id qup_i2c_dt_match[] = { }; MODULE_DEVICE_TABLE(of, qup_i2c_dt_match); -#if IS_ENABLED(CONFIG_ACPI) -static const struct acpi_device_id qup_i2c_acpi_match[] = { - { "QCOM8010"}, - { }, -}; -MODULE_DEVICE_TABLE(acpi, qup_i2c_acpi_match); -#endif - static struct platform_driver qup_i2c_driver = { .probe = qup_i2c_probe, .remove = qup_i2c_remove, diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c index c6915b835396..5e310efd9446 100644 --- a/drivers/i2c/busses/i2c-rcar.c +++ b/drivers/i2c/busses/i2c-rcar.c @@ -329,7 +329,7 @@ static void rcar_i2c_prepare_msg(struct rcar_i2c_priv *priv) if (priv->msgs_left == 1) priv->flags |= ID_LAST_MSG; - rcar_i2c_write(priv, ICMAR, (priv->msg->addr << 1) | read); + rcar_i2c_write(priv, ICMAR, i2c_8bit_addr_from_msg(priv->msg)); /* * We don't have a test case but the HW engineers say that the write order * of ICMSR and ICMCR depends on whether we issue START or REP_START. Since @@ -542,6 +542,8 @@ static void rcar_i2c_irq_recv(struct rcar_i2c_priv *priv, u32 msr) * If next received data is the _LAST_, go to STOP phase. Might be * overwritten by REP START when setting up a new msg. Not elegant * but the only stable sequence for REP START I have found so far. + * If you want to change this code, make sure sending one transfer with + * four messages (WR-RD-WR-RD) works! */ if (priv->pos + 1 >= msg->len) rcar_i2c_write(priv, ICMCR, RCAR_BUS_PHASE_STOP); diff --git a/drivers/i2c/busses/i2c-riic.c b/drivers/i2c/busses/i2c-riic.c index 95c2f1ce3cad..5f1fca7880b1 100644 --- a/drivers/i2c/busses/i2c-riic.c +++ b/drivers/i2c/busses/i2c-riic.c @@ -167,15 +167,14 @@ static irqreturn_t riic_tdre_isr(int irq, void *data) return IRQ_NONE; if (riic->bytes_left == RIIC_INIT_MSG) { - val = !!(riic->msg->flags & I2C_M_RD); - if (val) + if (riic->msg->flags & I2C_M_RD) /* On read, switch over to receive interrupt */ riic_clear_set_bit(riic, ICIER_TIE, ICIER_RIE, RIIC_ICIER); else /* On write, initialize length */ riic->bytes_left = riic->msg->len; - val |= (riic->msg->addr << 1); + val = i2c_8bit_addr_from_msg(riic->msg); } else { val = *riic->buf; riic->buf++; diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c index e1a18d989f83..b8a2728dd4b6 100644 --- a/drivers/i2c/busses/i2c-rk3x.c +++ b/drivers/i2c/busses/i2c-rk3x.c @@ -1326,8 +1326,6 @@ static int rk3x_i2c_probe(struct platform_device *pdev) if (ret < 0) goto err_clk_notifier; - dev_info(&pdev->dev, "Initialized RK3xxx I2C bus at %p\n", i2c->regs); - return 0; err_clk_notifier: diff --git a/drivers/i2c/busses/i2c-robotfuzz-osif.c b/drivers/i2c/busses/i2c-robotfuzz-osif.c index 9c0f52b7ff7e..d848cf515234 100644 --- a/drivers/i2c/busses/i2c-robotfuzz-osif.c +++ b/drivers/i2c/busses/i2c-robotfuzz-osif.c @@ -62,27 +62,24 @@ static int osif_xfer(struct i2c_adapter *adapter, struct i2c_msg *msgs, { struct osif_priv *priv = adapter->algo_data; struct i2c_msg *pmsg; - int ret = 0; - int i, cmd; + int ret; + int i; - for (i = 0; ret >= 0 && i < num; i++) { + for (i = 0; i < num; i++) { pmsg = &msgs[i]; if (pmsg->flags & I2C_M_RD) { - cmd = OSIFI2C_READ; - - ret = osif_usb_read(adapter, cmd, pmsg->flags, - pmsg->addr, pmsg->buf, - pmsg->len); + ret = osif_usb_read(adapter, OSIFI2C_READ, + pmsg->flags, pmsg->addr, + pmsg->buf, pmsg->len); if (ret != pmsg->len) { dev_err(&adapter->dev, "failure reading data\n"); return -EREMOTEIO; } } else { - cmd = OSIFI2C_WRITE; - - ret = osif_usb_write(adapter, cmd, pmsg->flags, - pmsg->addr, pmsg->buf, pmsg->len); + ret = osif_usb_write(adapter, OSIFI2C_WRITE, + pmsg->flags, pmsg->addr, + pmsg->buf, pmsg->len); if (ret != pmsg->len) { dev_err(&adapter->dev, "failure writing data\n"); return -EREMOTEIO; diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c index 5d97510ee48b..9fe2b6951895 100644 --- a/drivers/i2c/busses/i2c-s3c2410.c +++ b/drivers/i2c/busses/i2c-s3c2410.c @@ -154,8 +154,6 @@ static const struct of_device_id s3c24xx_i2c_match[] = { { .compatible = "samsung,s3c2440-i2c", .data = (void *)QUIRK_S3C2440 }, { .compatible = "samsung,s3c2440-hdmiphy-i2c", .data = (void *)(QUIRK_S3C2440 | QUIRK_HDMIPHY | QUIRK_NO_GPIO) }, - { .compatible = "samsung,exynos5440-i2c", - .data = (void *)(QUIRK_S3C2440 | QUIRK_NO_GPIO) }, { .compatible = "samsung,exynos5-sata-phy-i2c", .data = (void *)(QUIRK_S3C2440 | QUIRK_POLL | QUIRK_NO_GPIO) }, {}, diff --git a/drivers/i2c/busses/i2c-sh_mobile.c b/drivers/i2c/busses/i2c-sh_mobile.c index d856bc211715..5fda4188a9e5 100644 --- a/drivers/i2c/busses/i2c-sh_mobile.c +++ b/drivers/i2c/busses/i2c-sh_mobile.c @@ -899,17 +899,6 @@ static int sh_mobile_i2c_probe(struct platform_device *dev) if (resource_size(res) > 0x17) pd->flags |= IIC_FLAG_HAS_ICIC67; - /* Enable Runtime PM for this device. - * - * Also tell the Runtime PM core to ignore children - * for this device since it is valid for us to suspend - * this I2C master driver even though the slave devices - * on the I2C bus may not be suspended. - * - * The state of the I2C hardware bus is unaffected by - * the Runtime PM state. - */ - pm_suspend_ignore_children(&dev->dev, true); pm_runtime_enable(&dev->dev); pm_runtime_get_sync(&dev->dev); diff --git a/drivers/i2c/busses/i2c-stm32.c b/drivers/i2c/busses/i2c-stm32.c new file mode 100644 index 000000000000..d75fbcbf02ef --- /dev/null +++ b/drivers/i2c/busses/i2c-stm32.c @@ -0,0 +1,153 @@ +/* + * i2c-stm32.c + * + * Copyright (C) M'boumba Cedric Madianga 2017 + * Author: M'boumba Cedric Madianga <cedric.madianga@gmail.com> + * + * License terms: GNU General Public License (GPL), version 2 + */ + +#include "i2c-stm32.h" + +/* Functions for DMA support */ +struct stm32_i2c_dma *stm32_i2c_dma_request(struct device *dev, + dma_addr_t phy_addr, + u32 txdr_offset, + u32 rxdr_offset) +{ + struct stm32_i2c_dma *dma; + struct dma_slave_config dma_sconfig; + int ret; + + dma = devm_kzalloc(dev, sizeof(*dma), GFP_KERNEL); + if (!dma) + return NULL; + + /* Request and configure I2C TX dma channel */ + dma->chan_tx = dma_request_slave_channel(dev, "tx"); + if (!dma->chan_tx) { + dev_dbg(dev, "can't request DMA tx channel\n"); + ret = -EINVAL; + goto fail_al; + } + + memset(&dma_sconfig, 0, sizeof(dma_sconfig)); + dma_sconfig.dst_addr = phy_addr + txdr_offset; + dma_sconfig.dst_addr_width = DMA_SLAVE_BUSWIDTH_1_BYTE; + dma_sconfig.dst_maxburst = 1; + dma_sconfig.direction = DMA_MEM_TO_DEV; + ret = dmaengine_slave_config(dma->chan_tx, &dma_sconfig); + if (ret < 0) { + dev_err(dev, "can't configure tx channel\n"); + goto fail_tx; + } + + /* Request and configure I2C RX dma channel */ + dma->chan_rx = dma_request_slave_channel(dev, "rx"); + if (!dma->chan_rx) { + dev_err(dev, "can't request DMA rx channel\n"); + ret = -EINVAL; + goto fail_tx; + } + + memset(&dma_sconfig, 0, sizeof(dma_sconfig)); + dma_sconfig.src_addr = phy_addr + rxdr_offset; + dma_sconfig.src_addr_width = DMA_SLAVE_BUSWIDTH_1_BYTE; + dma_sconfig.src_maxburst = 1; + dma_sconfig.direction = DMA_DEV_TO_MEM; + ret = dmaengine_slave_config(dma->chan_rx, &dma_sconfig); + if (ret < 0) { + dev_err(dev, "can't configure rx channel\n"); + goto fail_rx; + } + + init_completion(&dma->dma_complete); + + dev_info(dev, "using %s (tx) and %s (rx) for DMA transfers\n", + dma_chan_name(dma->chan_tx), dma_chan_name(dma->chan_rx)); + + return dma; + +fail_rx: + dma_release_channel(dma->chan_rx); +fail_tx: + dma_release_channel(dma->chan_tx); +fail_al: + devm_kfree(dev, dma); + dev_info(dev, "can't use DMA\n"); + + return NULL; +} + +void stm32_i2c_dma_free(struct stm32_i2c_dma *dma) +{ + dma->dma_buf = 0; + dma->dma_len = 0; + + dma_release_channel(dma->chan_tx); + dma->chan_tx = NULL; + + dma_release_channel(dma->chan_rx); + dma->chan_rx = NULL; + + dma->chan_using = NULL; +} + +int stm32_i2c_prep_dma_xfer(struct device *dev, struct stm32_i2c_dma *dma, + bool rd_wr, u32 len, u8 *buf, + dma_async_tx_callback callback, + void *dma_async_param) +{ + struct dma_async_tx_descriptor *txdesc; + struct device *chan_dev; + int ret; + + if (rd_wr) { + dma->chan_using = dma->chan_rx; + dma->dma_transfer_dir = DMA_DEV_TO_MEM; + dma->dma_data_dir = DMA_FROM_DEVICE; + } else { + dma->chan_using = dma->chan_tx; + dma->dma_transfer_dir = DMA_MEM_TO_DEV; + dma->dma_data_dir = DMA_TO_DEVICE; + } + + dma->dma_len = len; + chan_dev = dma->chan_using->device->dev; + + dma->dma_buf = dma_map_single(chan_dev, buf, dma->dma_len, + dma->dma_data_dir); + if (dma_mapping_error(chan_dev, dma->dma_buf)) { + dev_err(dev, "DMA mapping failed\n"); + return -EINVAL; + } + + txdesc = dmaengine_prep_slave_single(dma->chan_using, dma->dma_buf, + dma->dma_len, + dma->dma_transfer_dir, + DMA_PREP_INTERRUPT); + if (!txdesc) { + dev_err(dev, "Not able to get desc for DMA xfer\n"); + ret = -EINVAL; + goto err; + } + + reinit_completion(&dma->dma_complete); + + txdesc->callback = callback; + txdesc->callback_param = dma_async_param; + ret = dma_submit_error(dmaengine_submit(txdesc)); + if (ret < 0) { + dev_err(dev, "DMA submit failed\n"); + goto err; + } + + dma_async_issue_pending(dma->chan_using); + + return 0; + +err: + dma_unmap_single(chan_dev, dma->dma_buf, dma->dma_len, + dma->dma_data_dir); + return ret; +} diff --git a/drivers/i2c/busses/i2c-stm32.h b/drivers/i2c/busses/i2c-stm32.h index d4f9cef251ac..868755f82f88 100644 --- a/drivers/i2c/busses/i2c-stm32.h +++ b/drivers/i2c/busses/i2c-stm32.h @@ -11,6 +11,10 @@ #ifndef _I2C_STM32_H #define _I2C_STM32_H +#include <linux/dma-direction.h> +#include <linux/dmaengine.h> +#include <linux/dma-mapping.h> + enum stm32_i2c_speed { STM32_I2C_SPEED_STANDARD, /* 100 kHz */ STM32_I2C_SPEED_FAST, /* 400 kHz */ @@ -18,4 +22,37 @@ enum stm32_i2c_speed { STM32_I2C_SPEED_END, }; +/** + * struct stm32_i2c_dma - DMA specific data + * @chan_tx: dma channel for TX transfer + * @chan_rx: dma channel for RX transfer + * @chan_using: dma channel used for the current transfer (TX or RX) + * @dma_buf: dma buffer + * @dma_len: dma buffer len + * @dma_transfer_dir: dma transfer direction indicator + * @dma_data_dir: dma transfer mode indicator + * @dma_complete: dma transfer completion + */ +struct stm32_i2c_dma { + struct dma_chan *chan_tx; + struct dma_chan *chan_rx; + struct dma_chan *chan_using; + dma_addr_t dma_buf; + unsigned int dma_len; + enum dma_transfer_direction dma_transfer_dir; + enum dma_data_direction dma_data_dir; + struct completion dma_complete; +}; + +struct stm32_i2c_dma *stm32_i2c_dma_request(struct device *dev, + dma_addr_t phy_addr, + u32 txdr_offset, u32 rxdr_offset); + +void stm32_i2c_dma_free(struct stm32_i2c_dma *dma); + +int stm32_i2c_prep_dma_xfer(struct device *dev, struct stm32_i2c_dma *dma, + bool rd_wr, u32 len, u8 *buf, + dma_async_tx_callback callback, + void *dma_async_param); + #endif /* _I2C_STM32_H */ diff --git a/drivers/i2c/busses/i2c-stm32f7.c b/drivers/i2c/busses/i2c-stm32f7.c index f273e28c39db..62d023e737d9 100644 --- a/drivers/i2c/busses/i2c-stm32f7.c +++ b/drivers/i2c/busses/i2c-stm32f7.c @@ -35,6 +35,9 @@ /* STM32F7 I2C registers */ #define STM32F7_I2C_CR1 0x00 #define STM32F7_I2C_CR2 0x04 +#define STM32F7_I2C_OAR1 0x08 +#define STM32F7_I2C_OAR2 0x0C +#define STM32F7_I2C_PECR 0x20 #define STM32F7_I2C_TIMINGR 0x10 #define STM32F7_I2C_ISR 0x18 #define STM32F7_I2C_ICR 0x1C @@ -42,6 +45,10 @@ #define STM32F7_I2C_TXDR 0x28 /* STM32F7 I2C control 1 */ +#define STM32F7_I2C_CR1_PECEN BIT(23) +#define STM32F7_I2C_CR1_SBC BIT(16) +#define STM32F7_I2C_CR1_RXDMAEN BIT(15) +#define STM32F7_I2C_CR1_TXDMAEN BIT(14) #define STM32F7_I2C_CR1_ANFOFF BIT(12) #define STM32F7_I2C_CR1_ERRIE BIT(7) #define STM32F7_I2C_CR1_TCIE BIT(6) @@ -57,34 +64,77 @@ | STM32F7_I2C_CR1_NACKIE \ | STM32F7_I2C_CR1_RXIE \ | STM32F7_I2C_CR1_TXIE) +#define STM32F7_I2C_XFER_IRQ_MASK (STM32F7_I2C_CR1_TCIE \ + | STM32F7_I2C_CR1_STOPIE \ + | STM32F7_I2C_CR1_NACKIE \ + | STM32F7_I2C_CR1_RXIE \ + | STM32F7_I2C_CR1_TXIE) /* STM32F7 I2C control 2 */ +#define STM32F7_I2C_CR2_PECBYTE BIT(26) #define STM32F7_I2C_CR2_RELOAD BIT(24) #define STM32F7_I2C_CR2_NBYTES_MASK GENMASK(23, 16) #define STM32F7_I2C_CR2_NBYTES(n) (((n) & 0xff) << 16) #define STM32F7_I2C_CR2_NACK BIT(15) #define STM32F7_I2C_CR2_STOP BIT(14) #define STM32F7_I2C_CR2_START BIT(13) +#define STM32F7_I2C_CR2_HEAD10R BIT(12) +#define STM32F7_I2C_CR2_ADD10 BIT(11) #define STM32F7_I2C_CR2_RD_WRN BIT(10) +#define STM32F7_I2C_CR2_SADD10_MASK GENMASK(9, 0) +#define STM32F7_I2C_CR2_SADD10(n) (((n) & \ + STM32F7_I2C_CR2_SADD10_MASK)) #define STM32F7_I2C_CR2_SADD7_MASK GENMASK(7, 1) #define STM32F7_I2C_CR2_SADD7(n) (((n) & 0x7f) << 1) +/* STM32F7 I2C Own Address 1 */ +#define STM32F7_I2C_OAR1_OA1EN BIT(15) +#define STM32F7_I2C_OAR1_OA1MODE BIT(10) +#define STM32F7_I2C_OAR1_OA1_10_MASK GENMASK(9, 0) +#define STM32F7_I2C_OAR1_OA1_10(n) (((n) & \ + STM32F7_I2C_OAR1_OA1_10_MASK)) +#define STM32F7_I2C_OAR1_OA1_7_MASK GENMASK(7, 1) +#define STM32F7_I2C_OAR1_OA1_7(n) (((n) & 0x7f) << 1) +#define STM32F7_I2C_OAR1_MASK (STM32F7_I2C_OAR1_OA1_7_MASK \ + | STM32F7_I2C_OAR1_OA1_10_MASK \ + | STM32F7_I2C_OAR1_OA1EN \ + | STM32F7_I2C_OAR1_OA1MODE) + +/* STM32F7 I2C Own Address 2 */ +#define STM32F7_I2C_OAR2_OA2EN BIT(15) +#define STM32F7_I2C_OAR2_OA2MSK_MASK GENMASK(10, 8) +#define STM32F7_I2C_OAR2_OA2MSK(n) (((n) & 0x7) << 8) +#define STM32F7_I2C_OAR2_OA2_7_MASK GENMASK(7, 1) +#define STM32F7_I2C_OAR2_OA2_7(n) (((n) & 0x7f) << 1) +#define STM32F7_I2C_OAR2_MASK (STM32F7_I2C_OAR2_OA2MSK_MASK \ + | STM32F7_I2C_OAR2_OA2_7_MASK \ + | STM32F7_I2C_OAR2_OA2EN) + /* STM32F7 I2C Interrupt Status */ +#define STM32F7_I2C_ISR_ADDCODE_MASK GENMASK(23, 17) +#define STM32F7_I2C_ISR_ADDCODE_GET(n) \ + (((n) & STM32F7_I2C_ISR_ADDCODE_MASK) >> 17) +#define STM32F7_I2C_ISR_DIR BIT(16) #define STM32F7_I2C_ISR_BUSY BIT(15) +#define STM32F7_I2C_ISR_PECERR BIT(11) #define STM32F7_I2C_ISR_ARLO BIT(9) #define STM32F7_I2C_ISR_BERR BIT(8) #define STM32F7_I2C_ISR_TCR BIT(7) #define STM32F7_I2C_ISR_TC BIT(6) #define STM32F7_I2C_ISR_STOPF BIT(5) #define STM32F7_I2C_ISR_NACKF BIT(4) +#define STM32F7_I2C_ISR_ADDR BIT(3) #define STM32F7_I2C_ISR_RXNE BIT(2) #define STM32F7_I2C_ISR_TXIS BIT(1) +#define STM32F7_I2C_ISR_TXE BIT(0) /* STM32F7 I2C Interrupt Clear */ +#define STM32F7_I2C_ICR_PECCF BIT(11) #define STM32F7_I2C_ICR_ARLOCF BIT(9) #define STM32F7_I2C_ICR_BERRCF BIT(8) #define STM32F7_I2C_ICR_STOPCF BIT(5) #define STM32F7_I2C_ICR_NACKCF BIT(4) +#define STM32F7_I2C_ICR_ADDRCF BIT(3) /* STM32F7 I2C Timing */ #define STM32F7_I2C_TIMINGR_PRESC(n) (((n) & 0xf) << 28) @@ -94,6 +144,8 @@ #define STM32F7_I2C_TIMINGR_SCLL(n) ((n) & 0xff) #define STM32F7_I2C_MAX_LEN 0xff +#define STM32F7_I2C_DMA_LEN_MIN 0x16 +#define STM32F7_I2C_MAX_SLAVE 0x2 #define STM32F7_I2C_DNF_DEFAULT 0 #define STM32F7_I2C_DNF_MAX 16 @@ -159,11 +211,12 @@ struct stm32f7_i2c_setup { /** * struct stm32f7_i2c_timings - private I2C output parameters - * @prec: Prescaler value + * @node: List entry + * @presc: Prescaler value * @scldel: Data setup time * @sdadel: Data hold time * @sclh: SCL high period (master mode) - * @sclh: SCL low period (master mode) + * @scll: SCL low period (master mode) */ struct stm32f7_i2c_timings { struct list_head node; @@ -176,18 +229,30 @@ struct stm32f7_i2c_timings { /** * struct stm32f7_i2c_msg - client specific data - * @addr: 8-bit slave addr, including r/w bit + * @addr: 8-bit or 10-bit slave addr, including r/w bit * @count: number of bytes to be transferred * @buf: data buffer * @result: result of the transfer * @stop: last I2C msg to be sent, i.e. STOP to be generated + * @smbus: boolean to know if the I2C IP is used in SMBus mode + * @size: type of SMBus protocol + * @read_write: direction of SMBus protocol + * SMBus block read and SMBus block write - block read process call protocols + * @smbus_buf: buffer to be used for SMBus protocol transfer. It will + * contain a maximum of 32 bytes of data + byte command + byte count + PEC + * This buffer has to be 32-bit aligned to be compliant with memory address + * register in DMA mode. */ struct stm32f7_i2c_msg { - u8 addr; + u16 addr; u32 count; u8 *buf; int result; bool stop; + bool smbus; + int size; + char read_write; + u8 smbus_buf[I2C_SMBUS_BLOCK_MAX + 3] __aligned(4); }; /** @@ -204,6 +269,13 @@ struct stm32f7_i2c_msg { * @f7_msg: customized i2c msg for driver usage * @setup: I2C timing input setup * @timing: I2C computed timings + * @slave: list of slave devices registered on the I2C bus + * @slave_running: slave device currently used + * @slave_dir: transfer direction for the current slave device + * @master_mode: boolean to know in which mode the I2C is running (master or + * slave) + * @dma: dma data + * @use_dma: boolean to know if dma is used in the current transfer */ struct stm32f7_i2c_dev { struct i2c_adapter adap; @@ -218,6 +290,12 @@ struct stm32f7_i2c_dev { struct stm32f7_i2c_msg f7_msg; struct stm32f7_i2c_setup setup; struct stm32f7_i2c_timings timing; + struct i2c_client *slave[STM32F7_I2C_MAX_SLAVE]; + struct i2c_client *slave_running; + u32 slave_dir; + bool master_mode; + struct stm32_i2c_dma *dma; + bool use_dma; }; /** @@ -283,6 +361,11 @@ static inline void stm32f7_i2c_clr_bits(void __iomem *reg, u32 mask) writel_relaxed(readl_relaxed(reg) & ~mask, reg); } +static void stm32f7_i2c_disable_irq(struct stm32f7_i2c_dev *i2c_dev, u32 mask) +{ + stm32f7_i2c_clr_bits(i2c_dev->base + STM32F7_I2C_CR1, mask); +} + static int stm32f7_i2c_compute_timing(struct stm32f7_i2c_dev *i2c_dev, struct stm32f7_i2c_setup *setup, struct stm32f7_i2c_timings *output) @@ -524,6 +607,25 @@ static int stm32f7_i2c_setup_timing(struct stm32f7_i2c_dev *i2c_dev, return 0; } +static void stm32f7_i2c_disable_dma_req(struct stm32f7_i2c_dev *i2c_dev) +{ + void __iomem *base = i2c_dev->base; + u32 mask = STM32F7_I2C_CR1_RXDMAEN | STM32F7_I2C_CR1_TXDMAEN; + + stm32f7_i2c_clr_bits(base + STM32F7_I2C_CR1, mask); +} + +static void stm32f7_i2c_dma_callback(void *arg) +{ + struct stm32f7_i2c_dev *i2c_dev = (struct stm32f7_i2c_dev *)arg; + struct stm32_i2c_dma *dma = i2c_dev->dma; + struct device *dev = dma->chan_using->device->dev; + + stm32f7_i2c_disable_dma_req(i2c_dev); + dma_unmap_single(dev, dma->dma_buf, dma->dma_len, dma->dma_data_dir); + complete(&dma->dma_complete); +} + static void stm32f7_i2c_hw_config(struct stm32f7_i2c_dev *i2c_dev) { struct stm32f7_i2c_timings *t = &i2c_dev->timing; @@ -567,6 +669,9 @@ static void stm32f7_i2c_read_rx_data(struct stm32f7_i2c_dev *i2c_dev) if (f7_msg->count) { *f7_msg->buf++ = readb_relaxed(base + STM32F7_I2C_RXDR); f7_msg->count--; + } else { + /* Flush RX buffer has no data is expected */ + readb_relaxed(base + STM32F7_I2C_RXDR); } } @@ -575,6 +680,9 @@ static void stm32f7_i2c_reload(struct stm32f7_i2c_dev *i2c_dev) struct stm32f7_i2c_msg *f7_msg = &i2c_dev->f7_msg; u32 cr2; + if (i2c_dev->use_dma) + f7_msg->count -= STM32F7_I2C_MAX_LEN; + cr2 = readl_relaxed(i2c_dev->base + STM32F7_I2C_CR2); cr2 &= ~STM32F7_I2C_CR2_NBYTES_MASK; @@ -588,6 +696,43 @@ static void stm32f7_i2c_reload(struct stm32f7_i2c_dev *i2c_dev) writel_relaxed(cr2, i2c_dev->base + STM32F7_I2C_CR2); } +static void stm32f7_i2c_smbus_reload(struct stm32f7_i2c_dev *i2c_dev) +{ + struct stm32f7_i2c_msg *f7_msg = &i2c_dev->f7_msg; + u32 cr2; + u8 *val; + + /* + * For I2C_SMBUS_BLOCK_DATA && I2C_SMBUS_BLOCK_PROC_CALL, the first + * data received inform us how many data will follow. + */ + stm32f7_i2c_read_rx_data(i2c_dev); + + /* + * Update NBYTES with the value read to continue the transfer + */ + val = f7_msg->buf - sizeof(u8); + f7_msg->count = *val; + cr2 = readl_relaxed(i2c_dev->base + STM32F7_I2C_CR2); + cr2 &= ~(STM32F7_I2C_CR2_NBYTES_MASK | STM32F7_I2C_CR2_RELOAD); + cr2 |= STM32F7_I2C_CR2_NBYTES(f7_msg->count); + writel_relaxed(cr2, i2c_dev->base + STM32F7_I2C_CR2); +} + +static int stm32f7_i2c_release_bus(struct i2c_adapter *i2c_adap) +{ + struct stm32f7_i2c_dev *i2c_dev = i2c_get_adapdata(i2c_adap); + + dev_info(i2c_dev->dev, "Trying to recover bus\n"); + + stm32f7_i2c_clr_bits(i2c_dev->base + STM32F7_I2C_CR1, + STM32F7_I2C_CR1_PE); + + stm32f7_i2c_hw_config(i2c_dev); + + return 0; +} + static int stm32f7_i2c_wait_free_bus(struct stm32f7_i2c_dev *i2c_dev) { u32 status; @@ -597,12 +742,18 @@ static int stm32f7_i2c_wait_free_bus(struct stm32f7_i2c_dev *i2c_dev) status, !(status & STM32F7_I2C_ISR_BUSY), 10, 1000); + if (!ret) + return 0; + + dev_info(i2c_dev->dev, "bus busy\n"); + + ret = stm32f7_i2c_release_bus(&i2c_dev->adap); if (ret) { - dev_dbg(i2c_dev->dev, "bus busy\n"); - ret = -EBUSY; + dev_err(i2c_dev->dev, "Failed to recover the bus (%d)\n", ret); + return ret; } - return ret; + return -EBUSY; } static void stm32f7_i2c_xfer_msg(struct stm32f7_i2c_dev *i2c_dev, @@ -611,6 +762,7 @@ static void stm32f7_i2c_xfer_msg(struct stm32f7_i2c_dev *i2c_dev, struct stm32f7_i2c_msg *f7_msg = &i2c_dev->f7_msg; void __iomem *base = i2c_dev->base; u32 cr1, cr2; + int ret; f7_msg->addr = msg->addr; f7_msg->buf = msg->buf; @@ -629,8 +781,15 @@ static void stm32f7_i2c_xfer_msg(struct stm32f7_i2c_dev *i2c_dev, cr2 |= STM32F7_I2C_CR2_RD_WRN; /* Set slave address */ - cr2 &= ~STM32F7_I2C_CR2_SADD7_MASK; - cr2 |= STM32F7_I2C_CR2_SADD7(f7_msg->addr); + cr2 &= ~(STM32F7_I2C_CR2_HEAD10R | STM32F7_I2C_CR2_ADD10); + if (msg->flags & I2C_M_TEN) { + cr2 &= ~STM32F7_I2C_CR2_SADD10_MASK; + cr2 |= STM32F7_I2C_CR2_SADD10(f7_msg->addr); + cr2 |= STM32F7_I2C_CR2_ADD10; + } else { + cr2 &= ~STM32F7_I2C_CR2_SADD7_MASK; + cr2 |= STM32F7_I2C_CR2_SADD7(f7_msg->addr); + } /* Set nb bytes to transfer and reload if needed */ cr2 &= ~(STM32F7_I2C_CR2_NBYTES_MASK | STM32F7_I2C_CR2_RELOAD); @@ -645,16 +804,286 @@ static void stm32f7_i2c_xfer_msg(struct stm32f7_i2c_dev *i2c_dev, cr1 |= STM32F7_I2C_CR1_ERRIE | STM32F7_I2C_CR1_TCIE | STM32F7_I2C_CR1_STOPIE | STM32F7_I2C_CR1_NACKIE; - /* Clear TX/RX interrupt */ + /* Clear DMA req and TX/RX interrupt */ + cr1 &= ~(STM32F7_I2C_CR1_RXIE | STM32F7_I2C_CR1_TXIE | + STM32F7_I2C_CR1_RXDMAEN | STM32F7_I2C_CR1_TXDMAEN); + + /* Configure DMA or enable RX/TX interrupt */ + i2c_dev->use_dma = false; + if (i2c_dev->dma && f7_msg->count >= STM32F7_I2C_DMA_LEN_MIN) { + ret = stm32_i2c_prep_dma_xfer(i2c_dev->dev, i2c_dev->dma, + msg->flags & I2C_M_RD, + f7_msg->count, f7_msg->buf, + stm32f7_i2c_dma_callback, + i2c_dev); + if (!ret) + i2c_dev->use_dma = true; + else + dev_warn(i2c_dev->dev, "can't use DMA\n"); + } + + if (!i2c_dev->use_dma) { + if (msg->flags & I2C_M_RD) + cr1 |= STM32F7_I2C_CR1_RXIE; + else + cr1 |= STM32F7_I2C_CR1_TXIE; + } else { + if (msg->flags & I2C_M_RD) + cr1 |= STM32F7_I2C_CR1_RXDMAEN; + else + cr1 |= STM32F7_I2C_CR1_TXDMAEN; + } + + /* Configure Start/Repeated Start */ + cr2 |= STM32F7_I2C_CR2_START; + + i2c_dev->master_mode = true; + + /* Write configurations registers */ + writel_relaxed(cr1, base + STM32F7_I2C_CR1); + writel_relaxed(cr2, base + STM32F7_I2C_CR2); +} + +static int stm32f7_i2c_smbus_xfer_msg(struct stm32f7_i2c_dev *i2c_dev, + unsigned short flags, u8 command, + union i2c_smbus_data *data) +{ + struct stm32f7_i2c_msg *f7_msg = &i2c_dev->f7_msg; + struct device *dev = i2c_dev->dev; + void __iomem *base = i2c_dev->base; + u32 cr1, cr2; + int i, ret; + + f7_msg->result = 0; + reinit_completion(&i2c_dev->complete); + + cr2 = readl_relaxed(base + STM32F7_I2C_CR2); + cr1 = readl_relaxed(base + STM32F7_I2C_CR1); + + /* Set transfer direction */ + cr2 &= ~STM32F7_I2C_CR2_RD_WRN; + if (f7_msg->read_write) + cr2 |= STM32F7_I2C_CR2_RD_WRN; + + /* Set slave address */ + cr2 &= ~(STM32F7_I2C_CR2_ADD10 | STM32F7_I2C_CR2_SADD7_MASK); + cr2 |= STM32F7_I2C_CR2_SADD7(f7_msg->addr); + + f7_msg->smbus_buf[0] = command; + switch (f7_msg->size) { + case I2C_SMBUS_QUICK: + f7_msg->stop = true; + f7_msg->count = 0; + break; + case I2C_SMBUS_BYTE: + f7_msg->stop = true; + f7_msg->count = 1; + break; + case I2C_SMBUS_BYTE_DATA: + if (f7_msg->read_write) { + f7_msg->stop = false; + f7_msg->count = 1; + cr2 &= ~STM32F7_I2C_CR2_RD_WRN; + } else { + f7_msg->stop = true; + f7_msg->count = 2; + f7_msg->smbus_buf[1] = data->byte; + } + break; + case I2C_SMBUS_WORD_DATA: + if (f7_msg->read_write) { + f7_msg->stop = false; + f7_msg->count = 1; + cr2 &= ~STM32F7_I2C_CR2_RD_WRN; + } else { + f7_msg->stop = true; + f7_msg->count = 3; + f7_msg->smbus_buf[1] = data->word & 0xff; + f7_msg->smbus_buf[2] = data->word >> 8; + } + break; + case I2C_SMBUS_BLOCK_DATA: + if (f7_msg->read_write) { + f7_msg->stop = false; + f7_msg->count = 1; + cr2 &= ~STM32F7_I2C_CR2_RD_WRN; + } else { + f7_msg->stop = true; + if (data->block[0] > I2C_SMBUS_BLOCK_MAX || + !data->block[0]) { + dev_err(dev, "Invalid block write size %d\n", + data->block[0]); + return -EINVAL; + } + f7_msg->count = data->block[0] + 2; + for (i = 1; i < f7_msg->count; i++) + f7_msg->smbus_buf[i] = data->block[i - 1]; + } + break; + case I2C_SMBUS_PROC_CALL: + f7_msg->stop = false; + f7_msg->count = 3; + f7_msg->smbus_buf[1] = data->word & 0xff; + f7_msg->smbus_buf[2] = data->word >> 8; + cr2 &= ~STM32F7_I2C_CR2_RD_WRN; + f7_msg->read_write = I2C_SMBUS_READ; + break; + case I2C_SMBUS_BLOCK_PROC_CALL: + f7_msg->stop = false; + if (data->block[0] > I2C_SMBUS_BLOCK_MAX - 1) { + dev_err(dev, "Invalid block write size %d\n", + data->block[0]); + return -EINVAL; + } + f7_msg->count = data->block[0] + 2; + for (i = 1; i < f7_msg->count; i++) + f7_msg->smbus_buf[i] = data->block[i - 1]; + cr2 &= ~STM32F7_I2C_CR2_RD_WRN; + f7_msg->read_write = I2C_SMBUS_READ; + break; + default: + dev_err(dev, "Unsupported smbus protocol %d\n", f7_msg->size); + return -EOPNOTSUPP; + } + + f7_msg->buf = f7_msg->smbus_buf; + + /* Configure PEC */ + if ((flags & I2C_CLIENT_PEC) && f7_msg->size != I2C_SMBUS_QUICK) { + cr1 |= STM32F7_I2C_CR1_PECEN; + cr2 |= STM32F7_I2C_CR2_PECBYTE; + if (!f7_msg->read_write) + f7_msg->count++; + } else { + cr1 &= ~STM32F7_I2C_CR1_PECEN; + cr2 &= ~STM32F7_I2C_CR2_PECBYTE; + } + + /* Set number of bytes to be transferred */ + cr2 &= ~(STM32F7_I2C_CR2_NBYTES_MASK | STM32F7_I2C_CR2_RELOAD); + cr2 |= STM32F7_I2C_CR2_NBYTES(f7_msg->count); + + /* Enable NACK, STOP, error and transfer complete interrupts */ + cr1 |= STM32F7_I2C_CR1_ERRIE | STM32F7_I2C_CR1_TCIE | + STM32F7_I2C_CR1_STOPIE | STM32F7_I2C_CR1_NACKIE; + + /* Clear DMA req and TX/RX interrupt */ + cr1 &= ~(STM32F7_I2C_CR1_RXIE | STM32F7_I2C_CR1_TXIE | + STM32F7_I2C_CR1_RXDMAEN | STM32F7_I2C_CR1_TXDMAEN); + + /* Configure DMA or enable RX/TX interrupt */ + i2c_dev->use_dma = false; + if (i2c_dev->dma && f7_msg->count >= STM32F7_I2C_DMA_LEN_MIN) { + ret = stm32_i2c_prep_dma_xfer(i2c_dev->dev, i2c_dev->dma, + cr2 & STM32F7_I2C_CR2_RD_WRN, + f7_msg->count, f7_msg->buf, + stm32f7_i2c_dma_callback, + i2c_dev); + if (!ret) + i2c_dev->use_dma = true; + else + dev_warn(i2c_dev->dev, "can't use DMA\n"); + } + + if (!i2c_dev->use_dma) { + if (cr2 & STM32F7_I2C_CR2_RD_WRN) + cr1 |= STM32F7_I2C_CR1_RXIE; + else + cr1 |= STM32F7_I2C_CR1_TXIE; + } else { + if (cr2 & STM32F7_I2C_CR2_RD_WRN) + cr1 |= STM32F7_I2C_CR1_RXDMAEN; + else + cr1 |= STM32F7_I2C_CR1_TXDMAEN; + } + + /* Set Start bit */ + cr2 |= STM32F7_I2C_CR2_START; + + i2c_dev->master_mode = true; + + /* Write configurations registers */ + writel_relaxed(cr1, base + STM32F7_I2C_CR1); + writel_relaxed(cr2, base + STM32F7_I2C_CR2); + + return 0; +} + +static void stm32f7_i2c_smbus_rep_start(struct stm32f7_i2c_dev *i2c_dev) +{ + struct stm32f7_i2c_msg *f7_msg = &i2c_dev->f7_msg; + void __iomem *base = i2c_dev->base; + u32 cr1, cr2; + int ret; + + cr2 = readl_relaxed(base + STM32F7_I2C_CR2); + cr1 = readl_relaxed(base + STM32F7_I2C_CR1); + + /* Set transfer direction */ + cr2 |= STM32F7_I2C_CR2_RD_WRN; + + switch (f7_msg->size) { + case I2C_SMBUS_BYTE_DATA: + f7_msg->count = 1; + break; + case I2C_SMBUS_WORD_DATA: + case I2C_SMBUS_PROC_CALL: + f7_msg->count = 2; + break; + case I2C_SMBUS_BLOCK_DATA: + case I2C_SMBUS_BLOCK_PROC_CALL: + f7_msg->count = 1; + cr2 |= STM32F7_I2C_CR2_RELOAD; + break; + } + + f7_msg->buf = f7_msg->smbus_buf; + f7_msg->stop = true; + + /* Add one byte for PEC if needed */ + if (cr1 & STM32F7_I2C_CR1_PECEN) + f7_msg->count++; + + /* Set number of bytes to be transferred */ + cr2 &= ~(STM32F7_I2C_CR2_NBYTES_MASK); + cr2 |= STM32F7_I2C_CR2_NBYTES(f7_msg->count); + + /* + * Configure RX/TX interrupt: + */ cr1 &= ~(STM32F7_I2C_CR1_RXIE | STM32F7_I2C_CR1_TXIE); + cr1 |= STM32F7_I2C_CR1_RXIE; - /* Enable RX/TX interrupt according to msg direction */ - if (msg->flags & I2C_M_RD) + /* + * Configure DMA or enable RX/TX interrupt: + * For I2C_SMBUS_BLOCK_DATA and I2C_SMBUS_BLOCK_PROC_CALL we don't use + * dma as we don't know in advance how many data will be received + */ + cr1 &= ~(STM32F7_I2C_CR1_RXIE | STM32F7_I2C_CR1_TXIE | + STM32F7_I2C_CR1_RXDMAEN | STM32F7_I2C_CR1_TXDMAEN); + + i2c_dev->use_dma = false; + if (i2c_dev->dma && f7_msg->count >= STM32F7_I2C_DMA_LEN_MIN && + f7_msg->size != I2C_SMBUS_BLOCK_DATA && + f7_msg->size != I2C_SMBUS_BLOCK_PROC_CALL) { + ret = stm32_i2c_prep_dma_xfer(i2c_dev->dev, i2c_dev->dma, + cr2 & STM32F7_I2C_CR2_RD_WRN, + f7_msg->count, f7_msg->buf, + stm32f7_i2c_dma_callback, + i2c_dev); + + if (!ret) + i2c_dev->use_dma = true; + else + dev_warn(i2c_dev->dev, "can't use DMA\n"); + } + + if (!i2c_dev->use_dma) cr1 |= STM32F7_I2C_CR1_RXIE; else - cr1 |= STM32F7_I2C_CR1_TXIE; + cr1 |= STM32F7_I2C_CR1_RXDMAEN; - /* Configure Start/Repeated Start */ + /* Configure Repeated Start */ cr2 |= STM32F7_I2C_CR2_START; /* Write configurations registers */ @@ -662,9 +1091,278 @@ static void stm32f7_i2c_xfer_msg(struct stm32f7_i2c_dev *i2c_dev, writel_relaxed(cr2, base + STM32F7_I2C_CR2); } -static void stm32f7_i2c_disable_irq(struct stm32f7_i2c_dev *i2c_dev, u32 mask) +static int stm32f7_i2c_smbus_check_pec(struct stm32f7_i2c_dev *i2c_dev) { - stm32f7_i2c_clr_bits(i2c_dev->base + STM32F7_I2C_CR1, mask); + struct stm32f7_i2c_msg *f7_msg = &i2c_dev->f7_msg; + u8 count, internal_pec, received_pec; + + internal_pec = readl_relaxed(i2c_dev->base + STM32F7_I2C_PECR); + + switch (f7_msg->size) { + case I2C_SMBUS_BYTE: + case I2C_SMBUS_BYTE_DATA: + received_pec = f7_msg->smbus_buf[1]; + break; + case I2C_SMBUS_WORD_DATA: + case I2C_SMBUS_PROC_CALL: + received_pec = f7_msg->smbus_buf[2]; + break; + case I2C_SMBUS_BLOCK_DATA: + case I2C_SMBUS_BLOCK_PROC_CALL: + count = f7_msg->smbus_buf[0]; + received_pec = f7_msg->smbus_buf[count]; + break; + default: + dev_err(i2c_dev->dev, "Unsupported smbus protocol for PEC\n"); + return -EINVAL; + } + + if (internal_pec != received_pec) { + dev_err(i2c_dev->dev, "Bad PEC 0x%02x vs. 0x%02x\n", + internal_pec, received_pec); + return -EBADMSG; + } + + return 0; +} + +static bool stm32f7_i2c_is_addr_match(struct i2c_client *slave, u32 addcode) +{ + u32 addr; + + if (!slave) + return false; + + if (slave->flags & I2C_CLIENT_TEN) { + /* + * For 10-bit addr, addcode = 11110XY with + * X = Bit 9 of slave address + * Y = Bit 8 of slave address + */ + addr = slave->addr >> 8; + addr |= 0x78; + if (addr == addcode) + return true; + } else { + addr = slave->addr & 0x7f; + if (addr == addcode) + return true; + } + + return false; +} + +static void stm32f7_i2c_slave_start(struct stm32f7_i2c_dev *i2c_dev) +{ + struct i2c_client *slave = i2c_dev->slave_running; + void __iomem *base = i2c_dev->base; + u32 mask; + u8 value = 0; + + if (i2c_dev->slave_dir) { + /* Notify i2c slave that new read transfer is starting */ + i2c_slave_event(slave, I2C_SLAVE_READ_REQUESTED, &value); + + /* + * Disable slave TX config in case of I2C combined message + * (I2C Write followed by I2C Read) + */ + mask = STM32F7_I2C_CR2_RELOAD; + stm32f7_i2c_clr_bits(base + STM32F7_I2C_CR2, mask); + mask = STM32F7_I2C_CR1_SBC | STM32F7_I2C_CR1_RXIE | + STM32F7_I2C_CR1_TCIE; + stm32f7_i2c_clr_bits(base + STM32F7_I2C_CR1, mask); + + /* Enable TX empty, STOP, NACK interrupts */ + mask = STM32F7_I2C_CR1_STOPIE | STM32F7_I2C_CR1_NACKIE | + STM32F7_I2C_CR1_TXIE; + stm32f7_i2c_set_bits(base + STM32F7_I2C_CR1, mask); + + } else { + /* Notify i2c slave that new write transfer is starting */ + i2c_slave_event(slave, I2C_SLAVE_WRITE_REQUESTED, &value); + + /* Set reload mode to be able to ACK/NACK each received byte */ + mask = STM32F7_I2C_CR2_RELOAD; + stm32f7_i2c_set_bits(base + STM32F7_I2C_CR2, mask); + + /* + * Set STOP, NACK, RX empty and transfer complete interrupts.* + * Set Slave Byte Control to be able to ACK/NACK each data + * byte received + */ + mask = STM32F7_I2C_CR1_STOPIE | STM32F7_I2C_CR1_NACKIE | + STM32F7_I2C_CR1_SBC | STM32F7_I2C_CR1_RXIE | + STM32F7_I2C_CR1_TCIE; + stm32f7_i2c_set_bits(base + STM32F7_I2C_CR1, mask); + } +} + +static void stm32f7_i2c_slave_addr(struct stm32f7_i2c_dev *i2c_dev) +{ + void __iomem *base = i2c_dev->base; + u32 isr, addcode, dir, mask; + int i; + + isr = readl_relaxed(i2c_dev->base + STM32F7_I2C_ISR); + addcode = STM32F7_I2C_ISR_ADDCODE_GET(isr); + dir = isr & STM32F7_I2C_ISR_DIR; + + for (i = 0; i < STM32F7_I2C_MAX_SLAVE; i++) { + if (stm32f7_i2c_is_addr_match(i2c_dev->slave[i], addcode)) { + i2c_dev->slave_running = i2c_dev->slave[i]; + i2c_dev->slave_dir = dir; + + /* Start I2C slave processing */ + stm32f7_i2c_slave_start(i2c_dev); + + /* Clear ADDR flag */ + mask = STM32F7_I2C_ICR_ADDRCF; + writel_relaxed(mask, base + STM32F7_I2C_ICR); + break; + } + } +} + +static int stm32f7_i2c_get_slave_id(struct stm32f7_i2c_dev *i2c_dev, + struct i2c_client *slave, int *id) +{ + int i; + + for (i = 0; i < STM32F7_I2C_MAX_SLAVE; i++) { + if (i2c_dev->slave[i] == slave) { + *id = i; + return 0; + } + } + + dev_err(i2c_dev->dev, "Slave 0x%x not registered\n", slave->addr); + + return -ENODEV; +} + +static int stm32f7_i2c_get_free_slave_id(struct stm32f7_i2c_dev *i2c_dev, + struct i2c_client *slave, int *id) +{ + struct device *dev = i2c_dev->dev; + int i; + + /* + * slave[0] supports 7-bit and 10-bit slave address + * slave[1] supports 7-bit slave address only + */ + for (i = 0; i < STM32F7_I2C_MAX_SLAVE; i++) { + if (i == 1 && (slave->flags & I2C_CLIENT_PEC)) + continue; + if (!i2c_dev->slave[i]) { + *id = i; + return 0; + } + } + + dev_err(dev, "Slave 0x%x could not be registered\n", slave->addr); + + return -EINVAL; +} + +static bool stm32f7_i2c_is_slave_registered(struct stm32f7_i2c_dev *i2c_dev) +{ + int i; + + for (i = 0; i < STM32F7_I2C_MAX_SLAVE; i++) { + if (i2c_dev->slave[i]) + return true; + } + + return false; +} + +static bool stm32f7_i2c_is_slave_busy(struct stm32f7_i2c_dev *i2c_dev) +{ + int i, busy; + + busy = 0; + for (i = 0; i < STM32F7_I2C_MAX_SLAVE; i++) { + if (i2c_dev->slave[i]) + busy++; + } + + return i == busy; +} + +static irqreturn_t stm32f7_i2c_slave_isr_event(struct stm32f7_i2c_dev *i2c_dev) +{ + void __iomem *base = i2c_dev->base; + u32 cr2, status, mask; + u8 val; + int ret; + + status = readl_relaxed(i2c_dev->base + STM32F7_I2C_ISR); + + /* Slave transmitter mode */ + if (status & STM32F7_I2C_ISR_TXIS) { + i2c_slave_event(i2c_dev->slave_running, + I2C_SLAVE_READ_PROCESSED, + &val); + + /* Write data byte */ + writel_relaxed(val, base + STM32F7_I2C_TXDR); + } + + /* Transfer Complete Reload for Slave receiver mode */ + if (status & STM32F7_I2C_ISR_TCR || status & STM32F7_I2C_ISR_RXNE) { + /* + * Read data byte then set NBYTES to receive next byte or NACK + * the current received byte + */ + val = readb_relaxed(i2c_dev->base + STM32F7_I2C_RXDR); + ret = i2c_slave_event(i2c_dev->slave_running, + I2C_SLAVE_WRITE_RECEIVED, + &val); + if (!ret) { + cr2 = readl_relaxed(i2c_dev->base + STM32F7_I2C_CR2); + cr2 |= STM32F7_I2C_CR2_NBYTES(1); + writel_relaxed(cr2, i2c_dev->base + STM32F7_I2C_CR2); + } else { + mask = STM32F7_I2C_CR2_NACK; + stm32f7_i2c_set_bits(base + STM32F7_I2C_CR2, mask); + } + } + + /* NACK received */ + if (status & STM32F7_I2C_ISR_NACKF) { + dev_dbg(i2c_dev->dev, "<%s>: Receive NACK\n", __func__); + writel_relaxed(STM32F7_I2C_ICR_NACKCF, base + STM32F7_I2C_ICR); + } + + /* STOP received */ + if (status & STM32F7_I2C_ISR_STOPF) { + /* Disable interrupts */ + stm32f7_i2c_disable_irq(i2c_dev, STM32F7_I2C_XFER_IRQ_MASK); + + if (i2c_dev->slave_dir) { + /* + * Flush TX buffer in order to not used the byte in + * TXDR for the next transfer + */ + mask = STM32F7_I2C_ISR_TXE; + stm32f7_i2c_set_bits(base + STM32F7_I2C_ISR, mask); + } + + /* Clear STOP flag */ + writel_relaxed(STM32F7_I2C_ICR_STOPCF, base + STM32F7_I2C_ICR); + + /* Notify i2c slave that a STOP flag has been detected */ + i2c_slave_event(i2c_dev->slave_running, I2C_SLAVE_STOP, &val); + + i2c_dev->slave_running = NULL; + } + + /* Address match received */ + if (status & STM32F7_I2C_ISR_ADDR) + stm32f7_i2c_slave_addr(i2c_dev); + + return IRQ_HANDLED; } static irqreturn_t stm32f7_i2c_isr_event(int irq, void *data) @@ -673,6 +1371,13 @@ static irqreturn_t stm32f7_i2c_isr_event(int irq, void *data) struct stm32f7_i2c_msg *f7_msg = &i2c_dev->f7_msg; void __iomem *base = i2c_dev->base; u32 status, mask; + int ret = IRQ_HANDLED; + + /* Check if the interrupt if for a slave device */ + if (!i2c_dev->master_mode) { + ret = stm32f7_i2c_slave_isr_event(i2c_dev); + return ret; + } status = readl_relaxed(i2c_dev->base + STM32F7_I2C_ISR); @@ -694,12 +1399,21 @@ static irqreturn_t stm32f7_i2c_isr_event(int irq, void *data) /* STOP detection flag */ if (status & STM32F7_I2C_ISR_STOPF) { /* Disable interrupts */ - stm32f7_i2c_disable_irq(i2c_dev, STM32F7_I2C_ALL_IRQ_MASK); + if (stm32f7_i2c_is_slave_registered(i2c_dev)) + mask = STM32F7_I2C_XFER_IRQ_MASK; + else + mask = STM32F7_I2C_ALL_IRQ_MASK; + stm32f7_i2c_disable_irq(i2c_dev, mask); /* Clear STOP flag */ writel_relaxed(STM32F7_I2C_ICR_STOPCF, base + STM32F7_I2C_ICR); - complete(&i2c_dev->complete); + if (i2c_dev->use_dma) { + ret = IRQ_WAKE_THREAD; + } else { + i2c_dev->master_mode = false; + complete(&i2c_dev->complete); + } } /* Transfer complete */ @@ -707,6 +1421,10 @@ static irqreturn_t stm32f7_i2c_isr_event(int irq, void *data) if (f7_msg->stop) { mask = STM32F7_I2C_CR2_STOP; stm32f7_i2c_set_bits(base + STM32F7_I2C_CR2, mask); + } else if (i2c_dev->use_dma) { + ret = IRQ_WAKE_THREAD; + } else if (f7_msg->smbus) { + stm32f7_i2c_smbus_rep_start(i2c_dev); } else { i2c_dev->msg_id++; i2c_dev->msg++; @@ -714,13 +1432,50 @@ static irqreturn_t stm32f7_i2c_isr_event(int irq, void *data) } } + if (status & STM32F7_I2C_ISR_TCR) { + if (f7_msg->smbus) + stm32f7_i2c_smbus_reload(i2c_dev); + else + stm32f7_i2c_reload(i2c_dev); + } + + return ret; +} + +static irqreturn_t stm32f7_i2c_isr_event_thread(int irq, void *data) +{ + struct stm32f7_i2c_dev *i2c_dev = data; + struct stm32f7_i2c_msg *f7_msg = &i2c_dev->f7_msg; + struct stm32_i2c_dma *dma = i2c_dev->dma; + u32 status; + int ret; + /* - * Transfer Complete Reload: 255 data bytes have been transferred - * We have to prepare the I2C controller to transfer the remaining - * data. + * Wait for dma transfer completion before sending next message or + * notity the end of xfer to the client */ - if (status & STM32F7_I2C_ISR_TCR) - stm32f7_i2c_reload(i2c_dev); + ret = wait_for_completion_timeout(&i2c_dev->dma->dma_complete, HZ); + if (!ret) { + dev_dbg(i2c_dev->dev, "<%s>: Timed out\n", __func__); + stm32f7_i2c_disable_dma_req(i2c_dev); + dmaengine_terminate_all(dma->chan_using); + f7_msg->result = -ETIMEDOUT; + } + + status = readl_relaxed(i2c_dev->base + STM32F7_I2C_ISR); + + if (status & STM32F7_I2C_ISR_TC) { + if (f7_msg->smbus) { + stm32f7_i2c_smbus_rep_start(i2c_dev); + } else { + i2c_dev->msg_id++; + i2c_dev->msg++; + stm32f7_i2c_xfer_msg(i2c_dev, i2c_dev->msg); + } + } else { + i2c_dev->master_mode = false; + complete(&i2c_dev->complete); + } return IRQ_HANDLED; } @@ -731,7 +1486,8 @@ static irqreturn_t stm32f7_i2c_isr_error(int irq, void *data) struct stm32f7_i2c_msg *f7_msg = &i2c_dev->f7_msg; void __iomem *base = i2c_dev->base; struct device *dev = i2c_dev->dev; - u32 status; + struct stm32_i2c_dma *dma = i2c_dev->dma; + u32 mask, status; status = readl_relaxed(i2c_dev->base + STM32F7_I2C_ISR); @@ -739,6 +1495,7 @@ static irqreturn_t stm32f7_i2c_isr_error(int irq, void *data) if (status & STM32F7_I2C_ISR_BERR) { dev_err(dev, "<%s>: Bus error\n", __func__); writel_relaxed(STM32F7_I2C_ICR_BERRCF, base + STM32F7_I2C_ICR); + stm32f7_i2c_release_bus(&i2c_dev->adap); f7_msg->result = -EIO; } @@ -749,8 +1506,26 @@ static irqreturn_t stm32f7_i2c_isr_error(int irq, void *data) f7_msg->result = -EAGAIN; } - stm32f7_i2c_disable_irq(i2c_dev, STM32F7_I2C_ALL_IRQ_MASK); + if (status & STM32F7_I2C_ISR_PECERR) { + dev_err(dev, "<%s>: PEC error in reception\n", __func__); + writel_relaxed(STM32F7_I2C_ICR_PECCF, base + STM32F7_I2C_ICR); + f7_msg->result = -EINVAL; + } + + /* Disable interrupts */ + if (stm32f7_i2c_is_slave_registered(i2c_dev)) + mask = STM32F7_I2C_XFER_IRQ_MASK; + else + mask = STM32F7_I2C_ALL_IRQ_MASK; + stm32f7_i2c_disable_irq(i2c_dev, mask); + + /* Disable dma */ + if (i2c_dev->use_dma) { + stm32f7_i2c_disable_dma_req(i2c_dev); + dmaengine_terminate_all(dma->chan_using); + } + i2c_dev->master_mode = false; complete(&i2c_dev->complete); return IRQ_HANDLED; @@ -761,12 +1536,14 @@ static int stm32f7_i2c_xfer(struct i2c_adapter *i2c_adap, { struct stm32f7_i2c_dev *i2c_dev = i2c_get_adapdata(i2c_adap); struct stm32f7_i2c_msg *f7_msg = &i2c_dev->f7_msg; + struct stm32_i2c_dma *dma = i2c_dev->dma; unsigned long time_left; int ret; i2c_dev->msg = msgs; i2c_dev->msg_num = num; i2c_dev->msg_id = 0; + f7_msg->smbus = false; ret = clk_enable(i2c_dev->clk); if (ret) { @@ -787,6 +1564,8 @@ static int stm32f7_i2c_xfer(struct i2c_adapter *i2c_adap, if (!time_left) { dev_dbg(i2c_dev->dev, "Access to slave 0x%x timed out\n", i2c_dev->msg->addr); + if (i2c_dev->use_dma) + dmaengine_terminate_all(dma->chan_using); ret = -ETIMEDOUT; } @@ -796,14 +1575,209 @@ clk_free: return (ret < 0) ? ret : num; } +static int stm32f7_i2c_smbus_xfer(struct i2c_adapter *adapter, u16 addr, + unsigned short flags, char read_write, + u8 command, int size, + union i2c_smbus_data *data) +{ + struct stm32f7_i2c_dev *i2c_dev = i2c_get_adapdata(adapter); + struct stm32f7_i2c_msg *f7_msg = &i2c_dev->f7_msg; + struct stm32_i2c_dma *dma = i2c_dev->dma; + struct device *dev = i2c_dev->dev; + unsigned long timeout; + int i, ret; + + f7_msg->addr = addr; + f7_msg->size = size; + f7_msg->read_write = read_write; + f7_msg->smbus = true; + + ret = clk_enable(i2c_dev->clk); + if (ret) { + dev_err(i2c_dev->dev, "Failed to enable clock\n"); + return ret; + } + + ret = stm32f7_i2c_wait_free_bus(i2c_dev); + if (ret) + goto clk_free; + + ret = stm32f7_i2c_smbus_xfer_msg(i2c_dev, flags, command, data); + if (ret) + goto clk_free; + + timeout = wait_for_completion_timeout(&i2c_dev->complete, + i2c_dev->adap.timeout); + ret = f7_msg->result; + if (ret) + goto clk_free; + + if (!timeout) { + dev_dbg(dev, "Access to slave 0x%x timed out\n", f7_msg->addr); + if (i2c_dev->use_dma) + dmaengine_terminate_all(dma->chan_using); + ret = -ETIMEDOUT; + goto clk_free; + } + + /* Check PEC */ + if ((flags & I2C_CLIENT_PEC) && size != I2C_SMBUS_QUICK && read_write) { + ret = stm32f7_i2c_smbus_check_pec(i2c_dev); + if (ret) + goto clk_free; + } + + if (read_write && size != I2C_SMBUS_QUICK) { + switch (size) { + case I2C_SMBUS_BYTE: + case I2C_SMBUS_BYTE_DATA: + data->byte = f7_msg->smbus_buf[0]; + break; + case I2C_SMBUS_WORD_DATA: + case I2C_SMBUS_PROC_CALL: + data->word = f7_msg->smbus_buf[0] | + (f7_msg->smbus_buf[1] << 8); + break; + case I2C_SMBUS_BLOCK_DATA: + case I2C_SMBUS_BLOCK_PROC_CALL: + for (i = 0; i <= f7_msg->smbus_buf[0]; i++) + data->block[i] = f7_msg->smbus_buf[i]; + break; + default: + dev_err(dev, "Unsupported smbus transaction\n"); + ret = -EINVAL; + } + } + +clk_free: + clk_disable(i2c_dev->clk); + return ret; +} + +static int stm32f7_i2c_reg_slave(struct i2c_client *slave) +{ + struct stm32f7_i2c_dev *i2c_dev = i2c_get_adapdata(slave->adapter); + void __iomem *base = i2c_dev->base; + struct device *dev = i2c_dev->dev; + u32 oar1, oar2, mask; + int id, ret; + + if (slave->flags & I2C_CLIENT_PEC) { + dev_err(dev, "SMBus PEC not supported in slave mode\n"); + return -EINVAL; + } + + if (stm32f7_i2c_is_slave_busy(i2c_dev)) { + dev_err(dev, "Too much slave registered\n"); + return -EBUSY; + } + + ret = stm32f7_i2c_get_free_slave_id(i2c_dev, slave, &id); + if (ret) + return ret; + + if (!(stm32f7_i2c_is_slave_registered(i2c_dev))) { + ret = clk_enable(i2c_dev->clk); + if (ret) { + dev_err(dev, "Failed to enable clock\n"); + return ret; + } + } + + if (id == 0) { + /* Configure Own Address 1 */ + oar1 = readl_relaxed(i2c_dev->base + STM32F7_I2C_OAR1); + oar1 &= ~STM32F7_I2C_OAR1_MASK; + if (slave->flags & I2C_CLIENT_TEN) { + oar1 |= STM32F7_I2C_OAR1_OA1_10(slave->addr); + oar1 |= STM32F7_I2C_OAR1_OA1MODE; + } else { + oar1 |= STM32F7_I2C_OAR1_OA1_7(slave->addr); + } + oar1 |= STM32F7_I2C_OAR1_OA1EN; + i2c_dev->slave[id] = slave; + writel_relaxed(oar1, i2c_dev->base + STM32F7_I2C_OAR1); + } else if (id == 1) { + /* Configure Own Address 2 */ + oar2 = readl_relaxed(i2c_dev->base + STM32F7_I2C_OAR2); + oar2 &= ~STM32F7_I2C_OAR2_MASK; + if (slave->flags & I2C_CLIENT_TEN) { + ret = -EOPNOTSUPP; + goto exit; + } + + oar2 |= STM32F7_I2C_OAR2_OA2_7(slave->addr); + oar2 |= STM32F7_I2C_OAR2_OA2EN; + i2c_dev->slave[id] = slave; + writel_relaxed(oar2, i2c_dev->base + STM32F7_I2C_OAR2); + } else { + ret = -ENODEV; + goto exit; + } + + /* Enable ACK */ + stm32f7_i2c_clr_bits(base + STM32F7_I2C_CR2, STM32F7_I2C_CR2_NACK); + + /* Enable Address match interrupt, error interrupt and enable I2C */ + mask = STM32F7_I2C_CR1_ADDRIE | STM32F7_I2C_CR1_ERRIE | + STM32F7_I2C_CR1_PE; + stm32f7_i2c_set_bits(base + STM32F7_I2C_CR1, mask); + + return 0; + +exit: + if (!(stm32f7_i2c_is_slave_registered(i2c_dev))) + clk_disable(i2c_dev->clk); + + return ret; +} + +static int stm32f7_i2c_unreg_slave(struct i2c_client *slave) +{ + struct stm32f7_i2c_dev *i2c_dev = i2c_get_adapdata(slave->adapter); + void __iomem *base = i2c_dev->base; + u32 mask; + int id, ret; + + ret = stm32f7_i2c_get_slave_id(i2c_dev, slave, &id); + if (ret) + return ret; + + WARN_ON(!i2c_dev->slave[id]); + + if (id == 0) { + mask = STM32F7_I2C_OAR1_OA1EN; + stm32f7_i2c_clr_bits(base + STM32F7_I2C_OAR1, mask); + } else { + mask = STM32F7_I2C_OAR2_OA2EN; + stm32f7_i2c_clr_bits(base + STM32F7_I2C_OAR2, mask); + } + + i2c_dev->slave[id] = NULL; + + if (!(stm32f7_i2c_is_slave_registered(i2c_dev))) { + stm32f7_i2c_disable_irq(i2c_dev, STM32F7_I2C_ALL_IRQ_MASK); + clk_disable(i2c_dev->clk); + } + + return 0; +} + static u32 stm32f7_i2c_func(struct i2c_adapter *adap) { - return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL; + return I2C_FUNC_I2C | I2C_FUNC_10BIT_ADDR | I2C_FUNC_SLAVE | + I2C_FUNC_SMBUS_QUICK | I2C_FUNC_SMBUS_BYTE | + I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA | + I2C_FUNC_SMBUS_BLOCK_DATA | I2C_FUNC_SMBUS_BLOCK_PROC_CALL | + I2C_FUNC_SMBUS_PROC_CALL | I2C_FUNC_SMBUS_PEC; } static struct i2c_algorithm stm32f7_i2c_algo = { .master_xfer = stm32f7_i2c_xfer, + .smbus_xfer = stm32f7_i2c_smbus_xfer, .functionality = stm32f7_i2c_func, + .reg_slave = stm32f7_i2c_reg_slave, + .unreg_slave = stm32f7_i2c_unreg_slave, }; static int stm32f7_i2c_probe(struct platform_device *pdev) @@ -815,6 +1789,7 @@ static int stm32f7_i2c_probe(struct platform_device *pdev) u32 irq_error, irq_event, clk_rate, rise_time, fall_time; struct i2c_adapter *adap; struct reset_control *rst; + dma_addr_t phy_addr; int ret; i2c_dev = devm_kzalloc(&pdev->dev, sizeof(*i2c_dev), GFP_KERNEL); @@ -825,6 +1800,7 @@ static int stm32f7_i2c_probe(struct platform_device *pdev) i2c_dev->base = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(i2c_dev->base)) return PTR_ERR(i2c_dev->base); + phy_addr = (dma_addr_t)res->start; irq_event = irq_of_parse_and_map(np, 0); if (!irq_event) { @@ -871,8 +1847,11 @@ static int stm32f7_i2c_probe(struct platform_device *pdev) i2c_dev->dev = &pdev->dev; - ret = devm_request_irq(&pdev->dev, irq_event, stm32f7_i2c_isr_event, 0, - pdev->name, i2c_dev); + ret = devm_request_threaded_irq(&pdev->dev, irq_event, + stm32f7_i2c_isr_event, + stm32f7_i2c_isr_event_thread, + IRQF_ONESHOT, + pdev->name, i2c_dev); if (ret) { dev_err(&pdev->dev, "Failed to request irq event %i\n", irq_event); @@ -924,6 +1903,11 @@ static int stm32f7_i2c_probe(struct platform_device *pdev) init_completion(&i2c_dev->complete); + /* Init DMA config if supported */ + i2c_dev->dma = stm32_i2c_dma_request(i2c_dev->dev, phy_addr, + STM32F7_I2C_TXDR, + STM32F7_I2C_RXDR); + ret = i2c_add_adapter(adap); if (ret) goto clk_free; @@ -946,6 +1930,11 @@ static int stm32f7_i2c_remove(struct platform_device *pdev) { struct stm32f7_i2c_dev *i2c_dev = platform_get_drvdata(pdev); + if (i2c_dev->dma) { + stm32_i2c_dma_free(i2c_dev->dma); + i2c_dev->dma = NULL; + } + i2c_del_adapter(&i2c_dev->adap); clk_unprepare(i2c_dev->clk); diff --git a/drivers/i2c/busses/i2c-stu300.c b/drivers/i2c/busses/i2c-stu300.c index dc63236b45b2..e866c481bfc3 100644 --- a/drivers/i2c/busses/i2c-stu300.c +++ b/drivers/i2c/busses/i2c-stu300.c @@ -602,20 +602,24 @@ static int stu300_send_address(struct stu300_dev *dev, u32 val; int ret; - if (msg->flags & I2C_M_TEN) + if (msg->flags & I2C_M_TEN) { /* This is probably how 10 bit addresses look */ val = (0xf0 | (((u32) msg->addr & 0x300) >> 7)) & I2C_DR_D_MASK; - else - val = ((msg->addr << 1) & I2C_DR_D_MASK); + if (msg->flags & I2C_M_RD) + /* This is the direction bit */ + val |= 0x01; + } else { + val = i2c_8bit_addr_from_msg(msg); + } - if (msg->flags & I2C_M_RD) { - /* This is the direction bit */ - val |= 0x01; - if (resend) + if (resend) { + if (msg->flags & I2C_M_RD) dev_dbg(&dev->pdev->dev, "read resend\n"); - } else if (resend) - dev_dbg(&dev->pdev->dev, "write resend\n"); + else + dev_dbg(&dev->pdev->dev, "write resend\n"); + } + stu300_wr8(val, dev->virtbase + I2C_DR); /* For 10bit addressing, await 10bit request (EVENT 9) */ diff --git a/drivers/i2c/busses/i2c-synquacer.c b/drivers/i2c/busses/i2c-synquacer.c index a021f866d8c2..915f5edbab33 100644 --- a/drivers/i2c/busses/i2c-synquacer.c +++ b/drivers/i2c/busses/i2c-synquacer.c @@ -509,7 +509,7 @@ static int synquacer_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, dev_dbg(i2c->dev, "calculated timeout %d ms\n", i2c->timeout_ms); - for (retry = 0; retry < adap->retries; retry++) { + for (retry = 0; retry <= adap->retries; retry++) { ret = synquacer_i2c_doxfer(i2c, msgs, num); if (ret != -EAGAIN) return ret; diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c index 60292d243e24..5fccd1f1bca8 100644 --- a/drivers/i2c/busses/i2c-tegra.c +++ b/drivers/i2c/busses/i2c-tegra.c @@ -173,7 +173,6 @@ struct tegra_i2c_hw_feature { * @msg_buf_remaining: size of unsent data in the message buffer * @msg_read: identifies read transfers * @bus_clk_rate: current i2c bus clock rate - * @is_suspended: prevents i2c controller accesses after suspend is called */ struct tegra_i2c_dev { struct device *dev; @@ -194,7 +193,6 @@ struct tegra_i2c_dev { int msg_read; u32 bus_clk_rate; u16 clk_divisor_non_hs_mode; - bool is_suspended; bool is_multimaster_mode; spinlock_t xfer_lock; }; @@ -734,9 +732,6 @@ static int tegra_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int i; int ret = 0; - if (i2c_dev->is_suspended) - return -EBUSY; - ret = pm_runtime_get_sync(i2c_dev->dev); if (ret < 0) { dev_err(i2c_dev->dev, "runtime resume failed %d\n", ret); @@ -1051,37 +1046,9 @@ static int tegra_i2c_remove(struct platform_device *pdev) } #ifdef CONFIG_PM_SLEEP -static int tegra_i2c_suspend(struct device *dev) -{ - struct tegra_i2c_dev *i2c_dev = dev_get_drvdata(dev); - - i2c_lock_adapter(&i2c_dev->adapter); - i2c_dev->is_suspended = true; - i2c_unlock_adapter(&i2c_dev->adapter); - - return 0; -} - -static int tegra_i2c_resume(struct device *dev) -{ - struct tegra_i2c_dev *i2c_dev = dev_get_drvdata(dev); - int ret; - - i2c_lock_adapter(&i2c_dev->adapter); - - ret = tegra_i2c_init(i2c_dev); - if (!ret) - i2c_dev->is_suspended = false; - - i2c_unlock_adapter(&i2c_dev->adapter); - - return ret; -} - static const struct dev_pm_ops tegra_i2c_pm = { SET_RUNTIME_PM_OPS(tegra_i2c_runtime_suspend, tegra_i2c_runtime_resume, NULL) - SET_SYSTEM_SLEEP_PM_OPS(tegra_i2c_suspend, tegra_i2c_resume) }; #define TEGRA_I2C_PM (&tegra_i2c_pm) #else diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c index c80527816ad0..9a71e50d21f1 100644 --- a/drivers/i2c/busses/i2c-xiic.c +++ b/drivers/i2c/busses/i2c-xiic.c @@ -33,7 +33,7 @@ #include <linux/i2c.h> #include <linux/interrupt.h> #include <linux/wait.h> -#include <linux/i2c-xiic.h> +#include <linux/platform_data/i2c-xiic.h> #include <linux/io.h> #include <linux/slab.h> #include <linux/of.h> @@ -143,12 +143,6 @@ struct xiic_i2c { #define XIIC_TX_RX_INTERRUPTS (XIIC_INTR_RX_FULL_MASK | XIIC_TX_INTERRUPTS) -/* The following constants are used with the following macros to specify the - * operation, a read or write operation. - */ -#define XIIC_READ_OPERATION 1 -#define XIIC_WRITE_OPERATION 0 - /* * Tx Fifo upper bit masks. */ @@ -415,7 +409,7 @@ static irqreturn_t xiic_process(int irq, void *dev_id) clr |= XIIC_INTR_RX_FULL_MASK; if (!i2c->rx_msg) { dev_dbg(i2c->adap.dev.parent, - "%s unexpexted RX IRQ\n", __func__); + "%s unexpected RX IRQ\n", __func__); xiic_clear_rx_fifo(i2c); goto out; } @@ -470,7 +464,7 @@ static irqreturn_t xiic_process(int irq, void *dev_id) if (!i2c->tx_msg) { dev_dbg(i2c->adap.dev.parent, - "%s unexpexted TX IRQ\n", __func__); + "%s unexpected TX IRQ\n", __func__); goto out; } @@ -556,8 +550,7 @@ static void xiic_start_recv(struct xiic_i2c *i2c) if (!(msg->flags & I2C_M_NOSTART)) /* write the address */ xiic_setreg16(i2c, XIIC_DTR_REG_OFFSET, - (msg->addr << 1) | XIIC_READ_OPERATION | - XIIC_TX_DYN_START_MASK); + i2c_8bit_addr_from_msg(msg) | XIIC_TX_DYN_START_MASK); xiic_irq_clr_en(i2c, XIIC_INTR_BNB_MASK); @@ -585,7 +578,7 @@ static void xiic_start_send(struct xiic_i2c *i2c) if (!(msg->flags & I2C_M_NOSTART)) { /* write the address */ - u16 data = ((msg->addr << 1) & 0xfe) | XIIC_WRITE_OPERATION | + u16 data = i2c_8bit_addr_from_msg(msg) | XIIC_TX_DYN_START_MASK; if ((i2c->nmsgs == 1) && msg->len == 0) /* no data and last message -> add STOP */ diff --git a/drivers/i2c/busses/i2c-xlp9xx.c b/drivers/i2c/busses/i2c-xlp9xx.c index eb8913eba0c5..1f41a4f89c08 100644 --- a/drivers/i2c/busses/i2c-xlp9xx.c +++ b/drivers/i2c/busses/i2c-xlp9xx.c @@ -10,6 +10,7 @@ #include <linux/clk.h> #include <linux/completion.h> #include <linux/i2c.h> +#include <linux/i2c-smbus.h> #include <linux/init.h> #include <linux/interrupt.h> #include <linux/io.h> @@ -84,6 +85,8 @@ struct xlp9xx_i2c_dev { struct device *dev; struct i2c_adapter adapter; struct completion msg_complete; + struct i2c_smbus_alert_setup alert_data; + struct i2c_client *ara; int irq; bool msg_read; bool len_recv; @@ -155,9 +158,30 @@ static void xlp9xx_i2c_fill_tx_fifo(struct xlp9xx_i2c_dev *priv) priv->msg_buf += len; } +static void xlp9xx_i2c_update_rlen(struct xlp9xx_i2c_dev *priv) +{ + u32 val, len; + + /* + * Update receive length. Re-read len to get the latest value, + * and then add 4 to have a minimum value that can be safely + * written. This is to account for the byte read above, the + * transfer in progress and any delays in the register I/O + */ + val = xlp9xx_read_i2c_reg(priv, XLP9XX_I2C_CTRL); + len = xlp9xx_read_i2c_reg(priv, XLP9XX_I2C_FIFOWCNT) & + XLP9XX_I2C_FIFO_WCNT_MASK; + len = max_t(u32, priv->msg_len, len + 4); + if (len >= I2C_SMBUS_BLOCK_MAX + 2) + return; + val = (val & ~XLP9XX_I2C_CTRL_MCTLEN_MASK) | + (len << XLP9XX_I2C_CTRL_MCTLEN_SHIFT); + xlp9xx_write_i2c_reg(priv, XLP9XX_I2C_CTRL, val); +} + static void xlp9xx_i2c_drain_rx_fifo(struct xlp9xx_i2c_dev *priv) { - u32 len, i, val; + u32 len, i; u8 rlen, *buf = priv->msg_buf; len = xlp9xx_read_i2c_reg(priv, XLP9XX_I2C_FIFOWCNT) & @@ -167,21 +191,20 @@ static void xlp9xx_i2c_drain_rx_fifo(struct xlp9xx_i2c_dev *priv) if (priv->len_recv) { /* read length byte */ rlen = xlp9xx_read_i2c_reg(priv, XLP9XX_I2C_MRXFIFO); - *buf++ = rlen; - len--; - - if (priv->client_pec) - ++rlen; - /* update remaining bytes and message length */ - priv->msg_buf_remaining = rlen; - priv->msg_len = rlen + 1; + if (rlen > I2C_SMBUS_BLOCK_MAX || rlen == 0) { + rlen = 0; /*abort transfer */ + priv->msg_buf_remaining = 0; + priv->msg_len = 0; + } else { + *buf++ = rlen; + if (priv->client_pec) + ++rlen; /* account for error check byte */ + /* update remaining bytes and message length */ + priv->msg_buf_remaining = rlen; + priv->msg_len = rlen + 1; + } + xlp9xx_i2c_update_rlen(priv); priv->len_recv = false; - - /* Update transfer length to read only actual data */ - val = xlp9xx_read_i2c_reg(priv, XLP9XX_I2C_CTRL); - val = (val & ~XLP9XX_I2C_CTRL_MCTLEN_MASK) | - ((rlen + 1) << XLP9XX_I2C_CTRL_MCTLEN_SHIFT); - xlp9xx_write_i2c_reg(priv, XLP9XX_I2C_CTRL, val); } else { len = min(priv->msg_buf_remaining, len); for (i = 0; i < len; i++, buf++) @@ -300,10 +323,6 @@ static int xlp9xx_i2c_xfer_msg(struct xlp9xx_i2c_dev *priv, struct i2c_msg *msg, xlp9xx_write_i2c_reg(priv, XLP9XX_I2C_MFIFOCTRL, XLP9XX_I2C_MFIFOCTRL_RST); - /* set FIFO threshold if reading */ - if (priv->msg_read) - xlp9xx_i2c_update_rx_fifo_thres(priv); - /* set slave addr */ xlp9xx_write_i2c_reg(priv, XLP9XX_I2C_SLAVEADDR, (msg->addr << XLP9XX_I2C_SLAVEADDR_ADDR_SHIFT) | @@ -322,9 +341,13 @@ static int xlp9xx_i2c_xfer_msg(struct xlp9xx_i2c_dev *priv, struct i2c_msg *msg, val &= ~XLP9XX_I2C_CTRL_ADDMODE; priv->len_recv = msg->flags & I2C_M_RECV_LEN; - len = priv->len_recv ? XLP9XX_I2C_FIFO_SIZE : msg->len; + len = priv->len_recv ? I2C_SMBUS_BLOCK_MAX + 2 : msg->len; priv->client_pec = msg->flags & I2C_CLIENT_PEC; + /* set FIFO threshold if reading */ + if (priv->msg_read) + xlp9xx_i2c_update_rx_fifo_thres(priv); + /* set data length to be transferred */ val = (val & ~XLP9XX_I2C_CTRL_MCTLEN_MASK) | (len << XLP9XX_I2C_CTRL_MCTLEN_SHIFT); @@ -378,8 +401,11 @@ static int xlp9xx_i2c_xfer_msg(struct xlp9xx_i2c_dev *priv, struct i2c_msg *msg, } /* update msg->len with actual received length */ - if (msg->flags & I2C_M_RECV_LEN) + if (msg->flags & I2C_M_RECV_LEN) { + if (!priv->msg_len) + return -EPROTO; msg->len = priv->msg_len; + } return 0; } @@ -447,6 +473,19 @@ static int xlp9xx_i2c_get_frequency(struct platform_device *pdev, return 0; } +static int xlp9xx_i2c_smbus_setup(struct xlp9xx_i2c_dev *priv, + struct platform_device *pdev) +{ + if (!priv->alert_data.irq) + return -EINVAL; + + priv->ara = i2c_setup_smbus_alert(&priv->adapter, &priv->alert_data); + if (!priv->ara) + return -ENODEV; + + return 0; +} + static int xlp9xx_i2c_probe(struct platform_device *pdev) { struct xlp9xx_i2c_dev *priv; @@ -467,6 +506,10 @@ static int xlp9xx_i2c_probe(struct platform_device *pdev) dev_err(&pdev->dev, "invalid irq!\n"); return priv->irq; } + /* SMBAlert irq */ + priv->alert_data.irq = platform_get_irq(pdev, 1); + if (priv->alert_data.irq <= 0) + priv->alert_data.irq = 0; xlp9xx_i2c_get_frequency(pdev, priv); xlp9xx_i2c_init(priv); @@ -493,6 +536,10 @@ static int xlp9xx_i2c_probe(struct platform_device *pdev) if (err) return err; + err = xlp9xx_i2c_smbus_setup(priv, pdev); + if (err) + dev_dbg(&pdev->dev, "No active SMBus alert %d\n", err); + platform_set_drvdata(pdev, priv); dev_dbg(&pdev->dev, "I2C bus:%d added\n", priv->adapter.nr); diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c index a17f46a95f73..31d16ada6e7d 100644 --- a/drivers/i2c/i2c-core-base.c +++ b/drivers/i2c/i2c-core-base.c @@ -717,10 +717,6 @@ i2c_new_device(struct i2c_adapter *adap, struct i2c_board_info const *info) client->adapter = adap; client->dev.platform_data = info->platform_data; - - if (info->archdata) - client->dev.archdata = *info->archdata; - client->flags = info->flags; client->addr = info->addr; @@ -746,7 +742,7 @@ i2c_new_device(struct i2c_adapter *adap, struct i2c_board_info const *info) client->dev.parent = &client->adapter->dev; client->dev.bus = &i2c_bus_type; client->dev.type = &i2c_client_type; - client->dev.of_node = info->of_node; + client->dev.of_node = of_node_get(info->of_node); client->dev.fwnode = info->fwnode; i2c_dev_set_name(adap, client, info); @@ -757,7 +753,7 @@ i2c_new_device(struct i2c_adapter *adap, struct i2c_board_info const *info) dev_err(&adap->dev, "Failed to add properties to client %s: %d\n", client->name, status); - goto out_err; + goto out_err_put_of_node; } } @@ -773,6 +769,8 @@ i2c_new_device(struct i2c_adapter *adap, struct i2c_board_info const *info) out_free_props: if (info->properties) device_remove_properties(&client->dev); +out_err_put_of_node: + of_node_put(info->of_node); out_err: dev_err(&adap->dev, "Failed to register i2c client %s at 0x%02x (%d)\n", diff --git a/drivers/i2c/i2c-core-of.c b/drivers/i2c/i2c-core-of.c index c405270a98b4..6cb7ad608bcd 100644 --- a/drivers/i2c/i2c-core-of.c +++ b/drivers/i2c/i2c-core-of.c @@ -22,53 +22,64 @@ #include "i2c-core.h" -static struct i2c_client *of_i2c_register_device(struct i2c_adapter *adap, - struct device_node *node) +int of_i2c_get_board_info(struct device *dev, struct device_node *node, + struct i2c_board_info *info) { - struct i2c_client *client; - struct i2c_board_info info = {}; - struct dev_archdata dev_ad = {}; u32 addr; int ret; - dev_dbg(&adap->dev, "of_i2c: register %pOF\n", node); + memset(info, 0, sizeof(*info)); - if (of_modalias_node(node, info.type, sizeof(info.type)) < 0) { - dev_err(&adap->dev, "of_i2c: modalias failure on %pOF\n", - node); - return ERR_PTR(-EINVAL); + if (of_modalias_node(node, info->type, sizeof(info->type)) < 0) { + dev_err(dev, "of_i2c: modalias failure on %pOF\n", node); + return -EINVAL; } ret = of_property_read_u32(node, "reg", &addr); if (ret) { - dev_err(&adap->dev, "of_i2c: invalid reg on %pOF\n", node); - return ERR_PTR(ret); + dev_err(dev, "of_i2c: invalid reg on %pOF\n", node); + return ret; } if (addr & I2C_TEN_BIT_ADDRESS) { addr &= ~I2C_TEN_BIT_ADDRESS; - info.flags |= I2C_CLIENT_TEN; + info->flags |= I2C_CLIENT_TEN; } if (addr & I2C_OWN_SLAVE_ADDRESS) { addr &= ~I2C_OWN_SLAVE_ADDRESS; - info.flags |= I2C_CLIENT_SLAVE; + info->flags |= I2C_CLIENT_SLAVE; } - info.addr = addr; - info.archdata = &dev_ad; - info.of_node = of_node_get(node); + info->addr = addr; + info->of_node = node; if (of_property_read_bool(node, "host-notify")) - info.flags |= I2C_CLIENT_HOST_NOTIFY; + info->flags |= I2C_CLIENT_HOST_NOTIFY; if (of_get_property(node, "wakeup-source", NULL)) - info.flags |= I2C_CLIENT_WAKE; + info->flags |= I2C_CLIENT_WAKE; + + return 0; +} +EXPORT_SYMBOL_GPL(of_i2c_get_board_info); + +static struct i2c_client *of_i2c_register_device(struct i2c_adapter *adap, + struct device_node *node) +{ + struct i2c_client *client; + struct i2c_board_info info; + int ret; + + dev_dbg(&adap->dev, "of_i2c: register %pOF\n", node); + + ret = of_i2c_get_board_info(&adap->dev, node, &info); + if (ret) + return ERR_PTR(ret); client = i2c_new_device(adap, &info); if (!client) { dev_err(&adap->dev, "of_i2c: Failure registering %pOF\n", node); - of_node_put(node); return ERR_PTR(-EINVAL); } return client; diff --git a/drivers/i2c/i2c-core-smbus.c b/drivers/i2c/i2c-core-smbus.c index b5aec33002c3..f3f683041e7f 100644 --- a/drivers/i2c/i2c-core-smbus.c +++ b/drivers/i2c/i2c-core-smbus.c @@ -466,6 +466,8 @@ static s32 i2c_smbus_xfer_emulated(struct i2c_adapter *adapter, u16 addr, status = i2c_transfer(adapter, msg, num); if (status < 0) return status; + if (status != num) + return -EIO; /* Check PEC if last message is a read */ if (i && (msg[num-1].flags & I2C_M_RD)) { diff --git a/drivers/i2c/i2c-mux.c b/drivers/i2c/i2c-mux.c index 9669ca4937b8..300ab4b672e4 100644 --- a/drivers/i2c/i2c-mux.c +++ b/drivers/i2c/i2c-mux.c @@ -418,7 +418,7 @@ int i2c_mux_add_adapter(struct i2c_mux_core *muxc, snprintf(symlink_name, sizeof(symlink_name), "channel-%u", chan_id); WARN(sysfs_create_link(&muxc->dev->kobj, &priv->adap.dev.kobj, symlink_name), - "can't create symlink for channel %u\n", chan_id); + "can't create symlink to channel %u\n", chan_id); dev_info(&parent->dev, "Added multiplexed i2c bus %d\n", i2c_adapter_id(&priv->adap)); diff --git a/drivers/i2c/muxes/i2c-demux-pinctrl.c b/drivers/i2c/muxes/i2c-demux-pinctrl.c index 33ce032cb701..035032e20327 100644 --- a/drivers/i2c/muxes/i2c-demux-pinctrl.c +++ b/drivers/i2c/muxes/i2c-demux-pinctrl.c @@ -18,6 +18,7 @@ #include <linux/of.h> #include <linux/pinctrl/consumer.h> #include <linux/platform_device.h> +#include <linux/pm_runtime.h> #include <linux/slab.h> #include <linux/sysfs.h> @@ -105,7 +106,7 @@ static int i2c_demux_activate_master(struct i2c_demux_pinctrl_priv *priv, u32 ne priv->cur_adap.owner = THIS_MODULE; priv->cur_adap.algo = &priv->algo; priv->cur_adap.algo_data = priv; - priv->cur_adap.dev.parent = priv->dev; + priv->cur_adap.dev.parent = &adap->dev; priv->cur_adap.class = adap->class; priv->cur_adap.retries = adap->retries; priv->cur_adap.timeout = adap->timeout; @@ -254,6 +255,8 @@ static int i2c_demux_pinctrl_probe(struct platform_device *pdev) platform_set_drvdata(pdev, priv); + pm_runtime_no_callbacks(&pdev->dev); + /* switch to first parent as active master */ i2c_demux_activate_master(priv, 0); diff --git a/drivers/i2c/muxes/i2c-mux-gpio.c b/drivers/i2c/muxes/i2c-mux-gpio.c index ddc4bd4ca13b..401308e3d036 100644 --- a/drivers/i2c/muxes/i2c-mux-gpio.c +++ b/drivers/i2c/muxes/i2c-mux-gpio.c @@ -10,7 +10,7 @@ #include <linux/i2c.h> #include <linux/i2c-mux.h> -#include <linux/i2c-mux-gpio.h> +#include <linux/platform_data/i2c-mux-gpio.h> #include <linux/platform_device.h> #include <linux/module.h> #include <linux/slab.h> diff --git a/drivers/i2c/muxes/i2c-mux-ltc4306.c b/drivers/i2c/muxes/i2c-mux-ltc4306.c index 311b1cced0c0..a9af93259b19 100644 --- a/drivers/i2c/muxes/i2c-mux-ltc4306.c +++ b/drivers/i2c/muxes/i2c-mux-ltc4306.c @@ -206,8 +206,7 @@ static const struct of_device_id ltc4306_of_match[] = { }; MODULE_DEVICE_TABLE(of, ltc4306_of_match); -static int ltc4306_probe(struct i2c_client *client, - const struct i2c_device_id *id) +static int ltc4306_probe(struct i2c_client *client) { struct i2c_adapter *adap = to_i2c_adapter(client->dev.parent); const struct chip_desc *chip; @@ -221,7 +220,7 @@ static int ltc4306_probe(struct i2c_client *client, chip = of_device_get_match_data(&client->dev); if (!chip) - chip = &chips[id->driver_data]; + chip = &chips[i2c_match_id(ltc4306_id, client)->driver_data]; idle_disc = device_property_read_bool(&client->dev, "i2c-mux-idle-disconnect"); @@ -310,7 +309,7 @@ static struct i2c_driver ltc4306_driver = { .name = "ltc4306", .of_match_table = of_match_ptr(ltc4306_of_match), }, - .probe = ltc4306_probe, + .probe_new = ltc4306_probe, .remove = ltc4306_remove, .id_table = ltc4306_id, }; diff --git a/drivers/i2c/muxes/i2c-mux-pca954x.c b/drivers/i2c/muxes/i2c-mux-pca954x.c index 09bafd3e68fa..fbc748027087 100644 --- a/drivers/i2c/muxes/i2c-mux-pca954x.c +++ b/drivers/i2c/muxes/i2c-mux-pca954x.c @@ -36,6 +36,7 @@ */ #include <linux/device.h> +#include <linux/delay.h> #include <linux/gpio/consumer.h> #include <linux/i2c.h> #include <linux/i2c-mux.h> @@ -373,7 +374,6 @@ static int pca954x_probe(struct i2c_client *client, int num, force, class; struct i2c_mux_core *muxc; struct pca954x *data; - const struct of_device_id *match; int ret; if (!i2c_check_functionality(adap, I2C_FUNC_SMBUS_BYTE)) @@ -389,15 +389,19 @@ static int pca954x_probe(struct i2c_client *client, i2c_set_clientdata(client, muxc); data->client = client; - /* Get the mux out of reset if a reset GPIO is specified. */ - gpio = devm_gpiod_get_optional(&client->dev, "reset", GPIOD_OUT_LOW); + /* Reset the mux if a reset GPIO is specified. */ + gpio = devm_gpiod_get_optional(&client->dev, "reset", GPIOD_OUT_HIGH); if (IS_ERR(gpio)) return PTR_ERR(gpio); + if (gpio) { + udelay(1); + gpiod_set_value_cansleep(gpio, 0); + /* Give the chip some time to recover. */ + udelay(1); + } - match = of_match_device(of_match_ptr(pca954x_of_match), &client->dev); - if (match) - data->chip = of_device_get_match_data(&client->dev); - else + data->chip = of_device_get_match_data(&client->dev); + if (!data->chip) data->chip = &chips[id->driver_data]; if (data->chip->id.manufacturer_id != I2C_DEVICE_ID_NONE) { diff --git a/drivers/i2c/muxes/i2c-mux-reg.c b/drivers/i2c/muxes/i2c-mux-reg.c index f583f805fee9..5653295b01cd 100644 --- a/drivers/i2c/muxes/i2c-mux-reg.c +++ b/drivers/i2c/muxes/i2c-mux-reg.c @@ -127,10 +127,8 @@ static int i2c_mux_reg_probe_dt(struct regmux *mux, values = devm_kcalloc(&pdev->dev, mux->data.n_values, sizeof(*mux->data.values), GFP_KERNEL); - if (!values) { - dev_err(&pdev->dev, "Cannot allocate values array"); + if (!values) return -ENOMEM; - } for_each_child_of_node(np, child) { of_property_read_u32(child, "reg", values + i); diff --git a/drivers/input/Kconfig b/drivers/input/Kconfig index ff8037798779..c5992cd195a1 100644 --- a/drivers/input/Kconfig +++ b/drivers/input/Kconfig @@ -16,7 +16,7 @@ config INPUT Say N here if you have a headless (no monitor, no keyboard) system. - More information is available: <file:Documentation/input/input.txt> + More information is available: <file:Documentation/input/input.rst> If unsure, say Y. @@ -144,7 +144,7 @@ config INPUT_JOYDEV If unsure, say Y. - More information is available: <file:Documentation/input/joystick.txt> + More information is available: <file:Documentation/input/joydev/joystick.rst> To compile this driver as a module, choose M here: the module will be called joydev. diff --git a/drivers/input/joystick/Kconfig b/drivers/input/joystick/Kconfig index 9591fc04a8ab..d8f9c6e1fc08 100644 --- a/drivers/input/joystick/Kconfig +++ b/drivers/input/joystick/Kconfig @@ -9,7 +9,7 @@ menuconfig INPUT_JOYSTICK and the list of supported devices will be displayed. This option doesn't affect the kernel. - Please read the file <file:Documentation/input/joystick.txt> which + Please read the file <file:Documentation/input/joydev/joystick.rst> which contains more information. if INPUT_JOYSTICK @@ -25,7 +25,7 @@ config JOYSTICK_ANALOG Flightstick Pro, ThrustMaster FCS, 6 and 8 button gamepads, or Saitek Cyborg joysticks. - Please read the file <file:Documentation/input/joystick.txt> which + Please read the file <file:Documentation/input/joydev/joystick.rst> which contains more information. To compile this driver as a module, choose M here: the @@ -214,7 +214,7 @@ config JOYSTICK_DB9 gamepad, Sega Saturn gamepad, or a Multisystem -- Atari, Amiga, Commodore, Amstrad CPC joystick connected to your parallel port. For more information on how to use the driver please read - <file:Documentation/input/joystick-parport.txt>. + <file:Documentation/input/devices/joystick-parport.rst>. To compile this driver as a module, choose M here: the module will be called db9. @@ -229,7 +229,7 @@ config JOYSTICK_GAMECON Sony PlayStation gamepad or a Multisystem -- Atari, Amiga, Commodore, Amstrad CPC joystick connected to your parallel port. For more information on how to use the driver please read - <file:Documentation/input/joystick-parport.txt>. + <file:Documentation/input/devices/joystick-parport.rst>. To compile this driver as a module, choose M here: the module will be called gamecon. @@ -241,7 +241,7 @@ config JOYSTICK_TURBOGRAFX Say Y here if you have the TurboGraFX interface by Steffen Schwenke, and want to use it with Multisystem -- Atari, Amiga, Commodore, Amstrad CPC joystick. For more information on how to use the driver - please read <file:Documentation/input/joystick-parport.txt>. + please read <file:Documentation/input/devices/joystick-parport.rst>. To compile this driver as a module, choose M here: the module will be called turbografx. @@ -287,7 +287,7 @@ config JOYSTICK_XPAD and/or "Event interface support" (CONFIG_INPUT_EVDEV) as well. For information about how to connect the X-Box pad to USB, see - <file:Documentation/input/xpad.txt>. + <file:Documentation/input/devices/xpad.rst>. To compile this driver as a module, choose M here: the module will be called xpad. @@ -313,7 +313,7 @@ config JOYSTICK_WALKERA0701 Say Y or M here if you have a Walkera WK-0701 transmitter which is supplied with a ready to fly Walkera helicopters such as HM36, HM37, HM60 and want to use it via parport as a joystick. More - information is available: <file:Documentation/input/walkera0701.txt> + information is available: <file:Documentation/input/devices/walkera0701.rst> To compile this driver as a module, choose M here: the module will be called walkera0701. diff --git a/drivers/input/joystick/iforce/Kconfig b/drivers/input/joystick/iforce/Kconfig index 8fde22a021b3..ab4dbcbcbf50 100644 --- a/drivers/input/joystick/iforce/Kconfig +++ b/drivers/input/joystick/iforce/Kconfig @@ -27,6 +27,6 @@ config JOYSTICK_IFORCE_232 connected to your serial (COM) port. You will need an additional utility called inputattach, see - <file:Documentation/input/joystick.txt> - and <file:Documentation/input/ff.txt>. + <file:Documentation/input/joydev/joystick.rst> + and <file:Documentation/input/ff.rst>. diff --git a/drivers/input/joystick/walkera0701.c b/drivers/input/joystick/walkera0701.c index 36a5b93156ed..dce313dc260a 100644 --- a/drivers/input/joystick/walkera0701.c +++ b/drivers/input/joystick/walkera0701.c @@ -3,7 +3,7 @@ * * Copyright (c) 2008 Peter Popovec * - * More about driver: <file:Documentation/input/walkera0701.txt> + * More about driver: <file:Documentation/input/devices/walkera0701.rst> */ /* diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig index 572b15fa18c2..c25606e00693 100644 --- a/drivers/input/misc/Kconfig +++ b/drivers/input/misc/Kconfig @@ -411,7 +411,7 @@ config INPUT_YEALINK usb sound driver, so you might want to enable that as well. For information about how to use these additional functions, see - <file:Documentation/input/yealink.txt>. + <file:Documentation/input/devices/yealink.rst>. To compile this driver as a module, choose M here: the module will be called yealink. @@ -595,7 +595,7 @@ config INPUT_GPIO_ROTARY_ENCODER depends on GPIOLIB || COMPILE_TEST help Say Y here to add support for rotary encoders connected to GPIO lines. - Check file:Documentation/input/rotary-encoder.txt for more + Check file:Documentation/input/devices/rotary-encoder.rst for more information. To compile this driver as a module, choose M here: the diff --git a/drivers/input/misc/rotary_encoder.c b/drivers/input/misc/rotary_encoder.c index 6d304381fc30..30ec77ad32c6 100644 --- a/drivers/input/misc/rotary_encoder.c +++ b/drivers/input/misc/rotary_encoder.c @@ -7,7 +7,7 @@ * state machine code inspired by code from Tim Ruetz * * A generic driver for rotary encoders connected to GPIO lines. - * See file:Documentation/input/rotary-encoder.txt for more information + * See file:Documentation/input/devices/rotary-encoder.rst for more information * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as diff --git a/drivers/input/mouse/Kconfig b/drivers/input/mouse/Kconfig index f27f23f2d99a..566a1e3aa504 100644 --- a/drivers/input/mouse/Kconfig +++ b/drivers/input/mouse/Kconfig @@ -129,7 +129,7 @@ config MOUSE_PS2_ELANTECH This driver exposes some configuration registers via sysfs entries. For further information, - see <file:Documentation/input/elantech.txt>. + see <file:Documentation/input/devices/elantech.rst>. If unsure, say N. @@ -228,7 +228,7 @@ config MOUSE_APPLETOUCH scrolling in X11. For further information, see - <file:Documentation/input/appletouch.txt>. + <file:Documentation/input/devices/appletouch.rst>. To compile this driver as a module, choose M here: the module will be called appletouch. @@ -251,7 +251,7 @@ config MOUSE_BCM5974 The interface is currently identical to the appletouch interface, for further information, see - <file:Documentation/input/appletouch.txt>. + <file:Documentation/input/devices/appletouch.rst>. To compile this driver as a module, choose M here: the module will be called bcm5974. diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c index cb5579716dba..0a6f7ca883e7 100644 --- a/drivers/input/mouse/alps.c +++ b/drivers/input/mouse/alps.c @@ -212,7 +212,7 @@ static void alps_set_abs_params_v7(struct alps_data *priv, static void alps_set_abs_params_ss4_v2(struct alps_data *priv, struct input_dev *dev1); -/* Packet formats are described in Documentation/input/alps.txt */ +/* Packet formats are described in Documentation/input/devices/alps.rst */ static bool alps_is_valid_first_byte(struct alps_data *priv, unsigned char data) diff --git a/drivers/input/serio/Kconfig b/drivers/input/serio/Kconfig index ca4530eb3378..d90d9f1098ff 100644 --- a/drivers/input/serio/Kconfig +++ b/drivers/input/serio/Kconfig @@ -47,7 +47,7 @@ config SERIO_SERPORT Say Y here if you plan to use an input device (mouse, joystick, tablet, 6dof) that communicates over the RS232 serial (COM) port. - More information is available: <file:Documentation/input/input.txt> + More information is available: <file:Documentation/input/input.rst> If unsure, say Y. @@ -78,7 +78,7 @@ config SERIO_PARKBD Say Y here if you built a simple parallel port adapter to attach an additional AT keyboard, XT keyboard or PS/2 mouse. - More information is available: <file:Documentation/input/input.txt> + More information is available: <file:Documentation/input/input.rst> If unsure, say N. diff --git a/drivers/input/touchscreen/wm97xx-core.c b/drivers/input/touchscreen/wm97xx-core.c index fd714ee881f7..2566b4d8b342 100644 --- a/drivers/input/touchscreen/wm97xx-core.c +++ b/drivers/input/touchscreen/wm97xx-core.c @@ -68,7 +68,7 @@ * The default values correspond to Mainstone II in QVGA mode * * Please read - * Documentation/input/input-programming.txt for more details. + * Documentation/input/input-programming.rst for more details. */ static int abs_x[3] = {150, 4000, 5}; diff --git a/drivers/lightnvm/pblk-rb.c b/drivers/lightnvm/pblk-rb.c index 00cd1f20a196..55e9442a99e2 100644 --- a/drivers/lightnvm/pblk-rb.c +++ b/drivers/lightnvm/pblk-rb.c @@ -38,7 +38,7 @@ void pblk_rb_data_free(struct pblk_rb *rb) /* * Initialize ring buffer. The data and metadata buffers must be previously * allocated and their size must be a power of two - * (Documentation/circular-buffers.txt) + * (Documentation/core-api/circular-buffers.rst) */ int pblk_rb_init(struct pblk_rb *rb, struct pblk_rb_entry *rb_entry_base, unsigned int power_size, unsigned int power_seg_sz) diff --git a/drivers/md/bcache/Kconfig b/drivers/md/bcache/Kconfig index 4d200883c505..17bf109c58e9 100644 --- a/drivers/md/bcache/Kconfig +++ b/drivers/md/bcache/Kconfig @@ -5,7 +5,7 @@ config BCACHE Allows a block device to be used as cache for other devices; uses a btree for indexing and the layout is optimized for SSDs. - See Documentation/bcache.txt for details. + See Documentation/admin-guide/bcache.rst for details. config BCACHE_DEBUG bool "Bcache debugging" diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c index 2a0968c04e21..547c9eedc2f4 100644 --- a/drivers/md/bcache/btree.c +++ b/drivers/md/bcache/btree.c @@ -18,7 +18,7 @@ * as keys are inserted we only sort the pages that have not yet been written. * When garbage collection is run, we resort the entire node. * - * All configuration is done via sysfs; see Documentation/bcache.txt. + * All configuration is done via sysfs; see Documentation/admin-guide/bcache.rst. */ #include "bcache.h" diff --git a/drivers/md/bcache/extents.c b/drivers/md/bcache/extents.c index c334e6666461..1d096742eb41 100644 --- a/drivers/md/bcache/extents.c +++ b/drivers/md/bcache/extents.c @@ -18,7 +18,7 @@ * as keys are inserted we only sort the pages that have not yet been written. * When garbage collection is run, we resort the entire node. * - * All configuration is done via sysfs; see Documentation/bcache.txt. + * All configuration is done via sysfs; see Documentation/admin-guide/bcache.rst. */ #include "bcache.h" diff --git a/drivers/media/dvb-core/dvb_ringbuffer.c b/drivers/media/dvb-core/dvb_ringbuffer.c index 4330b6fa4af2..d1d471af0636 100644 --- a/drivers/media/dvb-core/dvb_ringbuffer.c +++ b/drivers/media/dvb-core/dvb_ringbuffer.c @@ -55,7 +55,7 @@ int dvb_ringbuffer_empty(struct dvb_ringbuffer *rbuf) * this pairs with smp_store_release() in dvb_ringbuffer_write(), * dvb_ringbuffer_write_user(), or dvb_ringbuffer_reset() * - * for memory barriers also see Documentation/circular-buffers.txt + * for memory barriers also see Documentation/core-api/circular-buffers.rst */ return (rbuf->pread == smp_load_acquire(&rbuf->pwrite)); } diff --git a/drivers/media/dvb-frontends/Kconfig b/drivers/media/dvb-frontends/Kconfig index 55e36a4f5215..9ecaa9d0744a 100644 --- a/drivers/media/dvb-frontends/Kconfig +++ b/drivers/media/dvb-frontends/Kconfig @@ -324,7 +324,7 @@ config DVB_SP8870 A DVB-T tuner module. Say Y when you want to support this frontend. This driver needs external firmware. Please use the command - "<kerneldir>/Documentation/dvb/get_dvb_firmware sp8870" to + "<kerneldir>/scripts/get_dvb_firmware sp8870" to download/extract it, and then copy it to /usr/lib/hotplug/firmware or /lib/firmware (depending on configuration of firmware hotplug). @@ -336,7 +336,7 @@ config DVB_SP887X A DVB-T tuner module. Say Y when you want to support this frontend. This driver needs external firmware. Please use the command - "<kerneldir>/Documentation/dvb/get_dvb_firmware sp887x" to + "<kerneldir>/scripts/get_dvb_firmware sp887x" to download/extract it, and then copy it to /usr/lib/hotplug/firmware or /lib/firmware (depending on configuration of firmware hotplug). @@ -387,8 +387,8 @@ config DVB_TDA1004X A DVB-T tuner module. Say Y when you want to support this frontend. This driver needs external firmware. Please use the commands - "<kerneldir>/Documentation/dvb/get_dvb_firmware tda10045", - "<kerneldir>/Documentation/dvb/get_dvb_firmware tda10046" to + "<kerneldir>/scripts/get_dvb_firmware tda10045", + "<kerneldir>/scripts/get_dvb_firmware tda10046" to download/extract them, and then copy them to /usr/lib/hotplug/firmware or /lib/firmware (depending on configuration of firmware hotplug). @@ -591,8 +591,8 @@ config DVB_NXT200X to support this frontend. This driver needs external firmware. Please use the commands - "<kerneldir>/Documentation/dvb/get_dvb_firmware nxt2002" and - "<kerneldir>/Documentation/dvb/get_dvb_firmware nxt2004" to + "<kerneldir>/scripts/get_dvb_firmware nxt2002" and + "<kerneldir>/scripts/get_dvb_firmware nxt2004" to download/extract them, and then copy them to /usr/lib/hotplug/firmware or /lib/firmware (depending on configuration of firmware hotplug). @@ -604,7 +604,7 @@ config DVB_OR51211 An ATSC 8VSB tuner module. Say Y when you want to support this frontend. This driver needs external firmware. Please use the command - "<kerneldir>/Documentation/dvb/get_dvb_firmware or51211" to + "<kerneldir>/scripts/get_dvb_firmware or51211" to download it, and then copy it to /usr/lib/hotplug/firmware or /lib/firmware (depending on configuration of firmware hotplug). @@ -617,8 +617,8 @@ config DVB_OR51132 to support this frontend. This driver needs external firmware. Please use the commands - "<kerneldir>/Documentation/dvb/get_dvb_firmware or51132_vsb" and/or - "<kerneldir>/Documentation/dvb/get_dvb_firmware or51132_qam" to + "<kerneldir>/scripts/get_dvb_firmware or51132_vsb" and/or + "<kerneldir>/scripts/get_dvb_firmware or51132_qam" to download firmwares for 8VSB and QAM64/256, respectively. Copy them to /usr/lib/hotplug/firmware or /lib/firmware (depending on configuration of firmware hotplug). diff --git a/drivers/media/dvb-frontends/dib3000.h b/drivers/media/dvb-frontends/dib3000.h index d5dfafb4ef13..d2b7523a22b5 100644 --- a/drivers/media/dvb-frontends/dib3000.h +++ b/drivers/media/dvb-frontends/dib3000.h @@ -17,7 +17,7 @@ * Amaury Demol from DiBcom for providing specs and driver * sources, on which this driver (and the dvb-dibusb) are based. * - * see Documentation/dvb/README.dvb-usb for more information + * see Documentation/media/dvb-drivers/dvb-usb.rst for more information * */ diff --git a/drivers/media/dvb-frontends/dib3000mb.c b/drivers/media/dvb-frontends/dib3000mb.c index de3ce2786c72..5861f346db49 100644 --- a/drivers/media/dvb-frontends/dib3000mb.c +++ b/drivers/media/dvb-frontends/dib3000mb.c @@ -17,7 +17,7 @@ * Amaury Demol from DiBcom for providing specs and driver * sources, on which this driver (and the dvb-dibusb) are based. * - * see Documentation/dvb/README.dvb-usb for more information + * see Documentation/media/dvb-drivers/dvb-usb.rst for more information * */ diff --git a/drivers/media/dvb-frontends/eds1547.h b/drivers/media/dvb-frontends/eds1547.h index c983f2f85802..30f067fc1f56 100644 --- a/drivers/media/dvb-frontends/eds1547.h +++ b/drivers/media/dvb-frontends/eds1547.h @@ -6,7 +6,7 @@ * under the terms of the GNU General Public License as published by the * Free Software Foundation, version 2. * -* see Documentation/dvb/README.dvb-usb for more information +* see Documentation/media/dvb-drivers/dvb-usb.rst for more information */ #ifndef EDS1547 diff --git a/drivers/media/dvb-frontends/nxt200x.c b/drivers/media/dvb-frontends/nxt200x.c index 7aa74403648e..a6cc4952eb74 100644 --- a/drivers/media/dvb-frontends/nxt200x.c +++ b/drivers/media/dvb-frontends/nxt200x.c @@ -27,8 +27,8 @@ * ATI HDTV Wonder (NXT2004) * * This driver needs external firmware. Please use the command - * "<kerneldir>/Documentation/dvb/get_dvb_firmware nxt2002" or - * "<kerneldir>/Documentation/dvb/get_dvb_firmware nxt2004" to + * "<kerneldir>/scripts/get_dvb_firmware nxt2002" or + * "<kerneldir>/scripts/get_dvb_firmware nxt2004" to * download/extract the appropriate firmware, and then copy it to * /usr/lib/hotplug/firmware/ or /lib/firmware/ * (depending on configuration of firmware hotplug). diff --git a/drivers/media/dvb-frontends/or51211.c b/drivers/media/dvb-frontends/or51211.c index a1b7c301828f..b65ba34fd00a 100644 --- a/drivers/media/dvb-frontends/or51211.c +++ b/drivers/media/dvb-frontends/or51211.c @@ -22,7 +22,7 @@ /* * This driver needs external firmware. Please use the command - * "<kerneldir>/Documentation/dvb/get_dvb_firmware or51211" to + * "<kerneldir>/scripts/get_dvb_firmware or51211" to * download/extract it, and then copy it to /usr/lib/hotplug/firmware * or /lib/firmware (depending on configuration of firmware hotplug). */ diff --git a/drivers/media/dvb-frontends/sp8870.c b/drivers/media/dvb-frontends/sp8870.c index 9a726f3a4896..1d57a20093fc 100644 --- a/drivers/media/dvb-frontends/sp8870.c +++ b/drivers/media/dvb-frontends/sp8870.c @@ -21,7 +21,7 @@ */ /* * This driver needs external firmware. Please use the command - * "<kerneldir>/Documentation/dvb/get_dvb_firmware alps_tdlb7" to + * "<kerneldir>/scripts/get_dvb_firmware alps_tdlb7" to * download/extract it, and then copy it to /usr/lib/hotplug/firmware * or /lib/firmware (depending on configuration of firmware hotplug). */ diff --git a/drivers/media/dvb-frontends/sp887x.c b/drivers/media/dvb-frontends/sp887x.c index f39d566d7d1d..57a0d0ae2b48 100644 --- a/drivers/media/dvb-frontends/sp887x.c +++ b/drivers/media/dvb-frontends/sp887x.c @@ -4,7 +4,7 @@ /* * This driver needs external firmware. Please use the command - * "<kerneldir>/Documentation/dvb/get_dvb_firmware sp887x" to + * "<kerneldir>/scripts/get_dvb_firmware sp887x" to * download/extract it, and then copy it to /usr/lib/hotplug/firmware * or /lib/firmware (depending on configuration of firmware hotplug). */ diff --git a/drivers/media/dvb-frontends/tda1004x.c b/drivers/media/dvb-frontends/tda1004x.c index 58e3beff5adc..7dcfb4a4b2d0 100644 --- a/drivers/media/dvb-frontends/tda1004x.c +++ b/drivers/media/dvb-frontends/tda1004x.c @@ -21,8 +21,8 @@ */ /* * This driver needs external firmware. Please use the commands - * "<kerneldir>/Documentation/dvb/get_dvb_firmware tda10045", - * "<kerneldir>/Documentation/dvb/get_dvb_firmware tda10046" to + * "<kerneldir>/scripts/get_dvb_firmware tda10045", + * "<kerneldir>/scripts/get_dvb_firmware tda10046" to * download/extract them, and then copy them to /usr/lib/hotplug/firmware * or /lib/firmware (depending on configuration of firmware hotplug). */ diff --git a/drivers/media/dvb-frontends/tda10071.c b/drivers/media/dvb-frontends/tda10071.c index a59f4fd09df6..1ed67c08e699 100644 --- a/drivers/media/dvb-frontends/tda10071.c +++ b/drivers/media/dvb-frontends/tda10071.c @@ -852,7 +852,7 @@ static int tda10071_init(struct dvb_frontend *fe) ret = request_firmware(&fw, fw_file, &client->dev); if (ret) { dev_err(&client->dev, - "did not find the firmware file. (%s) Please see linux/Documentation/dvb/ for more details on firmware-problems. (%d)\n", + "did not find the firmware file '%s' (status %d). You can use <kernel_dir>/scripts/get_dvb_firmware to get the firmware\n", fw_file, ret); goto error; } diff --git a/drivers/media/dvb-frontends/z0194a.h b/drivers/media/dvb-frontends/z0194a.h index 96d86d6eb473..0871c1ade94c 100644 --- a/drivers/media/dvb-frontends/z0194a.h +++ b/drivers/media/dvb-frontends/z0194a.h @@ -6,7 +6,7 @@ * under the terms of the GNU General Public License as published by the * Free Software Foundation, version 2. * -* see Documentation/dvb/README.dvb-usb for more information +* see Documentation/media/dvb-drivers/dvb-usb.rst for more information */ #ifndef Z0194A diff --git a/drivers/media/i2c/max2175.c b/drivers/media/i2c/max2175.c index 87cba15b2977..008a082cb8ad 100644 --- a/drivers/media/i2c/max2175.c +++ b/drivers/media/i2c/max2175.c @@ -1202,7 +1202,7 @@ static const struct v4l2_ctrl_ops max2175_ctrl_ops = { /* * I2S output enable/disable configuration. This is a private control. - * Refer to Documentation/media/v4l-drivers/max2175 for more details. + * Refer to Documentation/media/v4l-drivers/max2175.rst for more details. */ static const struct v4l2_ctrl_config max2175_i2s_en = { .ops = &max2175_ctrl_ops, @@ -1218,7 +1218,7 @@ static const struct v4l2_ctrl_config max2175_i2s_en = { /* * HSLS value control LO freq adjacent location configuration. - * Refer to Documentation/media/v4l-drivers/max2175 for more details. + * Refer to Documentation/media/v4l-drivers/max2175.rst for more details. */ static const struct v4l2_ctrl_config max2175_hsls = { .ops = &max2175_ctrl_ops, @@ -1234,7 +1234,7 @@ static const struct v4l2_ctrl_config max2175_hsls = { /* * Rx modes below are a set of preset configurations that decides the tuner's * sck and sample rate of transmission. They are separate for EU & NA regions. - * Refer to Documentation/media/v4l-drivers/max2175 for more details. + * Refer to Documentation/media/v4l-drivers/max2175.rst for more details. */ static const char * const max2175_ctrl_eu_rx_modes[] = { [MAX2175_EU_FM_1_2] = "EU FM 1.2", diff --git a/drivers/media/pci/bt8xx/Kconfig b/drivers/media/pci/bt8xx/Kconfig index 4a93f6ded100..bc89e37608cd 100644 --- a/drivers/media/pci/bt8xx/Kconfig +++ b/drivers/media/pci/bt8xx/Kconfig @@ -16,7 +16,7 @@ config VIDEO_BT848 ---help--- Support for BT848 based frame grabber/overlay boards. This includes the Miro, Hauppauge and STB boards. Please read the material in - <file:Documentation/video4linux/bttv/> for more information. + <file:Documentation/media/v4l-drivers/bttv.rst> for more information. To compile this driver as a module, choose M here: the module will be called bttv. diff --git a/drivers/media/pci/cx18/cx18-dvb.c b/drivers/media/pci/cx18/cx18-dvb.c index 010f39eafce1..a3a7f7065349 100644 --- a/drivers/media/pci/cx18/cx18-dvb.c +++ b/drivers/media/pci/cx18/cx18-dvb.c @@ -152,7 +152,7 @@ static int yuan_mpc718_mt352_reqfw(struct cx18_stream *stream, if (ret) { CX18_ERR("The MPC718 board variant with the MT352 DVB-T demodulator will not work without it\n"); - CX18_ERR("Run 'linux/Documentation/dvb/get_dvb_firmware mpc718' if you need the firmware\n"); + CX18_ERR("Run 'linux/scripts/get_dvb_firmware mpc718' if you need the firmware\n"); } return ret; } diff --git a/drivers/media/pci/cx18/cx18-streams.c b/drivers/media/pci/cx18/cx18-streams.c index a594cfdeca20..b36f4ce25d22 100644 --- a/drivers/media/pci/cx18/cx18-streams.c +++ b/drivers/media/pci/cx18/cx18-streams.c @@ -853,7 +853,7 @@ int cx18_start_v4l2_encode_stream(struct cx18_stream *s) /* * Audio related reset according to - * Documentation/video4linux/cx2341x/fw-encoder-api.txt + * Documentation/media/v4l-drivers/cx2341x.rst */ if (atomic_read(&cx->ana_capturing) == 0) cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 2, @@ -861,7 +861,7 @@ int cx18_start_v4l2_encode_stream(struct cx18_stream *s) /* * Number of lines for Field 1 & Field 2 according to - * Documentation/video4linux/cx2341x/fw-encoder-api.txt + * Documentation/media/v4l-drivers/cx2341x.rst * Field 1 is 312 for 625 line systems in BT.656 * Field 2 is 313 for 625 line systems in BT.656 */ diff --git a/drivers/media/pci/cx23885/cx23885-cards.c b/drivers/media/pci/cx23885/cx23885-cards.c index 3a1c55187b2a..9f50748fdf56 100644 --- a/drivers/media/pci/cx23885/cx23885-cards.c +++ b/drivers/media/pci/cx23885/cx23885-cards.c @@ -2426,7 +2426,7 @@ void cx23885_card_setup(struct cx23885_dev *dev) ret = request_firmware(&fw, filename, &dev->pci->dev); if (ret != 0) - pr_err("did not find the firmware file. (%s) Please see linux/Documentation/dvb/ for more details on firmware-problems.", + pr_err("did not find the firmware file '%s'. You can use <kernel_dir>/scripts/get_dvb_firmware to get the firmware.", filename); else altera_init(&netup_config, fw); diff --git a/drivers/media/pci/meye/Kconfig b/drivers/media/pci/meye/Kconfig index 2e60334ffef5..9a50f54231ad 100644 --- a/drivers/media/pci/meye/Kconfig +++ b/drivers/media/pci/meye/Kconfig @@ -5,7 +5,7 @@ config VIDEO_MEYE ---help--- This is the video4linux driver for the Motion Eye camera found in the Vaio Picturebook laptops. Please read the material in - <file:Documentation/video4linux/meye.txt> for more information. + <file:Documentation/media/v4l-drivers/meye.rst> for more information. If you say Y or M here, you need to say Y or M to "Sony Laptop Extras" in the misc device section. diff --git a/drivers/media/pci/ttpci/Kconfig b/drivers/media/pci/ttpci/Kconfig index 7b83151ed6c4..dfba74dd6521 100644 --- a/drivers/media/pci/ttpci/Kconfig +++ b/drivers/media/pci/ttpci/Kconfig @@ -24,7 +24,7 @@ config DVB_AV7110 onboard MPEG2 decoder. This driver needs an external firmware. Please use the script - "<kerneldir>/Documentation/dvb/get_dvb_firmware av7110" to + "<kerneldir>/scripts/get_dvb_firmware av7110" to download/extract it, and then copy it to /usr/lib/hotplug/firmware or /lib/firmware (depending on configuration of firmware hotplug). diff --git a/drivers/media/platform/marvell-ccic/mmp-driver.c b/drivers/media/platform/marvell-ccic/mmp-driver.c index 3cf300072348..6d9f0abb2660 100644 --- a/drivers/media/platform/marvell-ccic/mmp-driver.c +++ b/drivers/media/platform/marvell-ccic/mmp-driver.c @@ -12,7 +12,7 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/i2c.h> -#include <linux/i2c-gpio.h> +#include <linux/platform_data/i2c-gpio.h> #include <linux/interrupt.h> #include <linux/spinlock.h> #include <linux/slab.h> diff --git a/drivers/media/platform/pxa_camera.c b/drivers/media/platform/pxa_camera.c index 4d5a26b4cdda..d85ffbfb7c1f 100644 --- a/drivers/media/platform/pxa_camera.c +++ b/drivers/media/platform/pxa_camera.c @@ -1021,7 +1021,7 @@ static void pxa_camera_wakeup(struct pxa_camera_dev *pcdev, * - a videobuffer is queued on the pcdev->capture list * * Please check the "DMA hot chaining timeslice issue" in - * Documentation/video4linux/pxa_camera.txt + * Documentation/media/v4l-drivers/pxa_camera.rst * * Context: should only be called within the dma irq handler */ @@ -1443,7 +1443,7 @@ static void pxac_vb2_queue(struct vb2_buffer *vb) /* * Please check the DMA prepared buffer structure in : - * Documentation/video4linux/pxa_camera.txt + * Documentation/media/v4l-drivers/pxa_camera.rst * Please check also in pxa_camera_check_link_miss() to understand why DMA chain * modification while DMA chain is running will work anyway. */ diff --git a/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c b/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c index 242342fd7ede..9897213f2618 100644 --- a/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c +++ b/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c @@ -1111,7 +1111,7 @@ static void sh_mobile_ceu_put_formats(struct soc_camera_device *icd) /* * CEU can scale and crop, but we don't want to waste bandwidth and kill the * framerate by always requesting the maximum image from the client. See - * Documentation/video4linux/sh_mobile_ceu_camera.txt for a description of + * Documentation/media/v4l-drivers/sh_mobile_ceu_camera.rst for a description of * scaling and cropping algorithms and for the meaning of referenced here steps. */ static int sh_mobile_ceu_set_selection(struct soc_camera_device *icd, diff --git a/drivers/media/platform/via-camera.c b/drivers/media/platform/via-camera.c index f01c3e813247..c8bb82fe0b9d 100644 --- a/drivers/media/platform/via-camera.c +++ b/drivers/media/platform/via-camera.c @@ -27,7 +27,12 @@ #include <linux/via-core.h> #include <linux/via-gpio.h> #include <linux/via_i2c.h> + +#ifdef CONFIG_X86 #include <asm/olpc.h> +#else +#define machine_is_olpc(x) 0 +#endif #include "via-camera.h" diff --git a/drivers/media/radio/Kconfig b/drivers/media/radio/Kconfig index 39b04ad924c0..9b99dfb2d0c6 100644 --- a/drivers/media/radio/Kconfig +++ b/drivers/media/radio/Kconfig @@ -35,7 +35,7 @@ config RADIO_SI476X In order to control your radio card, you will need to use programs that are compatible with the Video For Linux 2 API. Information on this API and pointers to "v4l2" programs may be found at - <file:Documentation/video4linux/API.html>. + <file:Documentation/media/media_uapi.rst>. To compile this driver as a module, choose M here: the module will be called radio-si476x. @@ -75,7 +75,7 @@ config RADIO_MAXIRADIO In order to control your radio card, you will need to use programs that are compatible with the Video For Linux API. Information on this API and pointers to "v4l" programs may be found at - <file:Documentation/video4linux/API.html>. + <file:Documentation/media/media_uapi.rst>. To compile this driver as a module, choose M here: the module will be called radio-maxiradio. @@ -93,7 +93,7 @@ config RADIO_SHARK In order to control your radio card, you will need to use programs that are compatible with the Video For Linux API. Information on this API and pointers to "v4l" programs may be found at - <file:Documentation/video4linux/API.html>. + <file:Documentation/media/media_uapi.rst>. To compile this driver as a module, choose M here: the module will be called radio-shark. @@ -110,7 +110,7 @@ config RADIO_SHARK2 In order to control your radio card, you will need to use programs that are compatible with the Video For Linux API. Information on this API and pointers to "v4l" programs may be found at - <file:Documentation/video4linux/API.html>. + <file:Documentation/media/media_uapi.rst>. To compile this driver as a module, choose M here: the module will be called radio-shark2. @@ -217,7 +217,7 @@ config RADIO_WL1273 In order to control your radio card, you will need to use programs that are compatible with the Video For Linux 2 API. Information on this API and pointers to "v4l2" programs may be found at - <file:Documentation/video4linux/API.html>. + <file:Documentation/media/media_uapi.rst>. To compile this driver as a module, choose M here: the module will be called radio-wl1273. @@ -272,7 +272,7 @@ config RADIO_RTRACK been reported to be used by these cards. More information is contained in the file - <file:Documentation/video4linux/radiotrack.txt>. + <file:Documentation/media/v4l-drivers/radiotrack.rst>. To compile this driver as a module, choose M here: the module will be called radio-aimslab. diff --git a/drivers/media/radio/si470x/Kconfig b/drivers/media/radio/si470x/Kconfig index a21172e413a9..6dbb158cd2a0 100644 --- a/drivers/media/radio/si470x/Kconfig +++ b/drivers/media/radio/si470x/Kconfig @@ -29,7 +29,7 @@ config USB_SI470X Please have a look at the documentation, especially on how to redirect the audio stream from the radio to your sound device: - Documentation/video4linux/si470x.txt + Documentation/media/v4l-drivers/si470x.rst Say Y here if you want to connect this type of radio to your computer's USB port. diff --git a/drivers/media/radio/wl128x/Kconfig b/drivers/media/radio/wl128x/Kconfig index 2add222ea346..64b66bbdae72 100644 --- a/drivers/media/radio/wl128x/Kconfig +++ b/drivers/media/radio/wl128x/Kconfig @@ -12,6 +12,6 @@ config RADIO_WL128X In order to control your radio card, you will need to use programs that are compatible with the Video For Linux 2 API. Information on this API and pointers to "v4l2" programs may be found at - <file:Documentation/video4linux/API.html>. + <file:Documentation/media/media_uapi.rst>. endmenu diff --git a/drivers/media/usb/dvb-usb-v2/Kconfig b/drivers/media/usb/dvb-usb-v2/Kconfig index 37053477b84d..082b8d67244b 100644 --- a/drivers/media/usb/dvb-usb-v2/Kconfig +++ b/drivers/media/usb/dvb-usb-v2/Kconfig @@ -6,7 +6,7 @@ config DVB_USB_V2 USB1.1 and USB2.0 DVB devices. Almost every USB device needs a firmware, please look into - <file:Documentation/dvb/README.dvb-usb>. + <file:Documentation/media/dvb-drivers/dvb-usb.rst>. For a complete list of supported USB devices see the LinuxTV DVB Wiki: <https://linuxtv.org/wiki/index.php/DVB_USB> diff --git a/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c b/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c index afdcdbf005e9..955318ab7f5e 100644 --- a/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c +++ b/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c @@ -47,7 +47,7 @@ static int dvb_usbv2_download_firmware(struct dvb_usb_device *d, ret = request_firmware(&fw, name, &d->udev->dev); if (ret < 0) { dev_err(&d->udev->dev, - "%s: Did not find the firmware file '%s'. Please see linux/Documentation/dvb/ for more details on firmware-problems. Status %d\n", + "%s: Did not find the firmware file '%s' (status %d). You can use <kernel_dir>/scripts/get_dvb_firmware to get the firmware\n", KBUILD_MODNAME, name, ret); goto err; } diff --git a/drivers/media/usb/dvb-usb-v2/gl861.c b/drivers/media/usb/dvb-usb-v2/gl861.c index 4817dfd3e659..9d154fdae45b 100644 --- a/drivers/media/usb/dvb-usb-v2/gl861.c +++ b/drivers/media/usb/dvb-usb-v2/gl861.c @@ -4,7 +4,7 @@ * under the terms of the GNU General Public License as published by the * Free Software Foundation, version 2. * - * see Documentation/dvb/README.dvb-usb for more information + * see Documentation/media/dvb-drivers/dvb-usb.rst for more information */ #include "gl861.h" diff --git a/drivers/media/usb/dvb-usb-v2/lmedm04.c b/drivers/media/usb/dvb-usb-v2/lmedm04.c index be26c029546b..0750a975bcb8 100644 --- a/drivers/media/usb/dvb-usb-v2/lmedm04.c +++ b/drivers/media/usb/dvb-usb-v2/lmedm04.c @@ -21,7 +21,7 @@ * * LME2510C + M88RS2000 * - * For firmware see Documentation/dvb/lmedm04.txt + * For firmware see Documentation/media/dvb-drivers/lmedm04.rst * * I2C addresses: * 0xd0 - STV0288 - Demodulator @@ -49,7 +49,7 @@ * GNU General Public License for more details. * * - * see Documentation/dvb/README.dvb-usb for more information + * see Documentation/media/dvb-drivers/dvb-usb.rst for more information * * Known Issues : * LME2510: Non Intel USB chipsets fail to maintain High Speed on diff --git a/drivers/media/usb/dvb-usb-v2/lmedm04.h b/drivers/media/usb/dvb-usb-v2/lmedm04.h index e9c207205c2f..c4ae37c19512 100644 --- a/drivers/media/usb/dvb-usb-v2/lmedm04.h +++ b/drivers/media/usb/dvb-usb-v2/lmedm04.h @@ -16,7 +16,7 @@ * under the terms of the GNU General Public License as published by the Free * Software Foundation, version 2. * * - * see Documentation/dvb/README.dvb-usb for more information + * see Documentation/media/dvb-drivers/dvb-usb.rst for more information */ #ifndef _DVB_USB_LME2510_H_ #define _DVB_USB_LME2510_H_ diff --git a/drivers/media/usb/dvb-usb-v2/mxl111sf.c b/drivers/media/usb/dvb-usb-v2/mxl111sf.c index 67953360fda5..4713ba65e1c2 100644 --- a/drivers/media/usb/dvb-usb-v2/mxl111sf.c +++ b/drivers/media/usb/dvb-usb-v2/mxl111sf.c @@ -5,7 +5,7 @@ * under the terms of the GNU General Public License as published by the Free * Software Foundation, version 2. * - * see Documentation/dvb/README.dvb-usb for more information + * see Documentation/media/dvb-drivers/dvb-usb.rst for more information */ #include <linux/vmalloc.h> diff --git a/drivers/media/usb/dvb-usb-v2/mxl111sf.h b/drivers/media/usb/dvb-usb-v2/mxl111sf.h index 3e6f5880bd1e..22253d4908eb 100644 --- a/drivers/media/usb/dvb-usb-v2/mxl111sf.h +++ b/drivers/media/usb/dvb-usb-v2/mxl111sf.h @@ -5,7 +5,7 @@ * under the terms of the GNU General Public License as published by the Free * Software Foundation, version 2. * - * see Documentation/dvb/README.dvb-usb for more information + * see Documentation/media/dvb-drivers/dvb-usb.rst for more information */ #ifndef _DVB_USB_MXL111SF_H_ diff --git a/drivers/media/usb/dvb-usb/Kconfig b/drivers/media/usb/dvb-usb/Kconfig index 2651ae277347..b8a1c62a0682 100644 --- a/drivers/media/usb/dvb-usb/Kconfig +++ b/drivers/media/usb/dvb-usb/Kconfig @@ -6,7 +6,7 @@ config DVB_USB USB1.1 and USB2.0 DVB devices. Almost every USB device needs a firmware, please look into - <file:Documentation/dvb/README.dvb-usb>. + <file:Documentation/media/dvb-drivers/dvb-usb.rst>. For a complete list of supported USB devices see the LinuxTV DVB Wiki: <https://linuxtv.org/wiki/index.php/DVB_USB> diff --git a/drivers/media/usb/dvb-usb/a800.c b/drivers/media/usb/dvb-usb/a800.c index 540886b3bb29..198bd5eadb3f 100644 --- a/drivers/media/usb/dvb-usb/a800.c +++ b/drivers/media/usb/dvb-usb/a800.c @@ -11,7 +11,7 @@ * under the terms of the GNU General Public License as published by the Free * Software Foundation, version 2. * - * see Documentation/dvb/README.dvb-usb for more information + * see Documentation/media/dvb-drivers/dvb-usb.rst for more information */ #include "dibusb.h" diff --git a/drivers/media/usb/dvb-usb/af9005-fe.c b/drivers/media/usb/dvb-usb/af9005-fe.c index 544bdf18fb2f..7fbbc954da16 100644 --- a/drivers/media/usb/dvb-usb/af9005-fe.c +++ b/drivers/media/usb/dvb-usb/af9005-fe.c @@ -15,7 +15,7 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * - * see Documentation/dvb/README.dvb-usb for more information + * see Documentation/media/dvb-drivers/dvb-usb.rst for more information */ #include "af9005.h" #include "af9005-script.h" diff --git a/drivers/media/usb/dvb-usb/af9005-remote.c b/drivers/media/usb/dvb-usb/af9005-remote.c index 9b29ffa93075..f7cdcc8424a8 100644 --- a/drivers/media/usb/dvb-usb/af9005-remote.c +++ b/drivers/media/usb/dvb-usb/af9005-remote.c @@ -17,7 +17,7 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * - * see Documentation/dvb/README.dvb-usb for more information + * see Documentation/media/dvb-drivers/dvb-usb.rst for more information */ #include "af9005.h" /* debug */ diff --git a/drivers/media/usb/dvb-usb/af9005.c b/drivers/media/usb/dvb-usb/af9005.c index 986763b1b2b3..16e946e01d2c 100644 --- a/drivers/media/usb/dvb-usb/af9005.c +++ b/drivers/media/usb/dvb-usb/af9005.c @@ -15,7 +15,7 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * - * see Documentation/dvb/README.dvb-usb for more information + * see Documentation/media/dvb-drivers/dvb-usb.rst for more information */ #include "af9005.h" diff --git a/drivers/media/usb/dvb-usb/af9005.h b/drivers/media/usb/dvb-usb/af9005.h index a1eae0fa02ed..7ae4dc3a968b 100644 --- a/drivers/media/usb/dvb-usb/af9005.h +++ b/drivers/media/usb/dvb-usb/af9005.h @@ -15,7 +15,7 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * - * see Documentation/dvb/README.dvb-usb for more information + * see Documentation/media/dvb-drivers/dvb-usb.rst for more information */ #ifndef _DVB_USB_AF9005_H_ #define _DVB_USB_AF9005_H_ diff --git a/drivers/media/usb/dvb-usb/az6027.c b/drivers/media/usb/dvb-usb/az6027.c index f0d10ac03a37..6321b8e30261 100644 --- a/drivers/media/usb/dvb-usb/az6027.c +++ b/drivers/media/usb/dvb-usb/az6027.c @@ -7,7 +7,7 @@ * under the terms of the GNU General Public License as published by the Free * Software Foundation, version 2. * - * see Documentation/dvb/README.dvb-usb for more information + * see Documentation/media/dvb-drivers/dvb-usb.rst for more information */ #include "az6027.h" diff --git a/drivers/media/usb/dvb-usb/cxusb.c b/drivers/media/usb/dvb-usb/cxusb.c index b70d289dc738..5b51ed7d6243 100644 --- a/drivers/media/usb/dvb-usb/cxusb.c +++ b/drivers/media/usb/dvb-usb/cxusb.c @@ -21,7 +21,7 @@ * under the terms of the GNU General Public License as published by the Free * Software Foundation, version 2. * - * see Documentation/dvb/README.dvb-usb for more information + * see Documentation/media/dvb-drivers/dvb-usb.rst for more information */ #include <media/tuner.h> #include <linux/vmalloc.h> diff --git a/drivers/media/usb/dvb-usb/dibusb-common.c b/drivers/media/usb/dvb-usb/dibusb-common.c index bcacb0f22028..fb1b4f2d5f9d 100644 --- a/drivers/media/usb/dvb-usb/dibusb-common.c +++ b/drivers/media/usb/dvb-usb/dibusb-common.c @@ -6,7 +6,7 @@ * under the terms of the GNU General Public License as published by the Free * Software Foundation, version 2. * - * see Documentation/dvb/README.dvb-usb for more information + * see Documentation/media/dvb-drivers/dvb-usb.rst for more information */ #include "dibusb.h" diff --git a/drivers/media/usb/dvb-usb/dibusb-mb.c b/drivers/media/usb/dvb-usb/dibusb-mb.c index a0057641cc86..408920577716 100644 --- a/drivers/media/usb/dvb-usb/dibusb-mb.c +++ b/drivers/media/usb/dvb-usb/dibusb-mb.c @@ -10,7 +10,7 @@ * under the terms of the GNU General Public License as published by the Free * Software Foundation, version 2. * - * see Documentation/dvb/README.dvb-usb for more information + * see Documentation/media/dvb-drivers/dvb-usb.rst for more information */ #include "dibusb.h" diff --git a/drivers/media/usb/dvb-usb/dibusb-mc-common.c b/drivers/media/usb/dvb-usb/dibusb-mc-common.c index 0c2bc97436d5..ec3a20a95b04 100644 --- a/drivers/media/usb/dvb-usb/dibusb-mc-common.c +++ b/drivers/media/usb/dvb-usb/dibusb-mc-common.c @@ -6,7 +6,7 @@ * under the terms of the GNU General Public License as published by the Free * Software Foundation, version 2. * - * see Documentation/dvb/README.dvb-usb for more information + * see Documentation/media/dvb-drivers/dvb-usb.rst for more information */ #include "dibusb.h" diff --git a/drivers/media/usb/dvb-usb/dibusb-mc.c b/drivers/media/usb/dvb-usb/dibusb-mc.c index 08fb8a3f6e0c..bce8ffe640ca 100644 --- a/drivers/media/usb/dvb-usb/dibusb-mc.c +++ b/drivers/media/usb/dvb-usb/dibusb-mc.c @@ -10,7 +10,7 @@ * under the terms of the GNU General Public License as published by the Free * Software Foundation, version 2. * - * see Documentation/dvb/README.dvb-usb for more information + * see Documentation/media/dvb-drivers/dvb-usb.rst for more information */ #include "dibusb.h" diff --git a/drivers/media/usb/dvb-usb/dibusb.h b/drivers/media/usb/dvb-usb/dibusb.h index 697be2a17ade..943df579b98b 100644 --- a/drivers/media/usb/dvb-usb/dibusb.h +++ b/drivers/media/usb/dvb-usb/dibusb.h @@ -6,7 +6,7 @@ * under the terms of the GNU General Public License as published by the Free * Software Foundation, version 2. * - * see Documentation/dvb/README.dvb-usb for more information + * see Documentation/media/dvb-drivers/dvb-usb.rst for more information */ #ifndef _DVB_USB_DIBUSB_H_ #define _DVB_USB_DIBUSB_H_ diff --git a/drivers/media/usb/dvb-usb/digitv.c b/drivers/media/usb/dvb-usb/digitv.c index 475a3c0cdee7..49b9d63e5885 100644 --- a/drivers/media/usb/dvb-usb/digitv.c +++ b/drivers/media/usb/dvb-usb/digitv.c @@ -9,7 +9,7 @@ * under the terms of the GNU General Public License as published by the Free * Software Foundation, version 2. * - * see Documentation/dvb/README.dvb-usb for more information + * see Documentation/media/dvb-drivers/dvb-usb.rst for more information */ #include "digitv.h" diff --git a/drivers/media/usb/dvb-usb/dtt200u-fe.c b/drivers/media/usb/dvb-usb/dtt200u-fe.c index 00f565fe7cc2..7e75aae34fb8 100644 --- a/drivers/media/usb/dvb-usb/dtt200u-fe.c +++ b/drivers/media/usb/dvb-usb/dtt200u-fe.c @@ -7,7 +7,7 @@ * under the terms of the GNU General Public License as published by the Free * Software Foundation, version 2. * - * see Documentation/dvb/README.dvb-usb for more information + * see Documentation/media/dvb-drivers/dvb-usb.rst for more information */ #include "dtt200u.h" diff --git a/drivers/media/usb/dvb-usb/dtt200u.c b/drivers/media/usb/dvb-usb/dtt200u.c index 512370786696..f03d26954517 100644 --- a/drivers/media/usb/dvb-usb/dtt200u.c +++ b/drivers/media/usb/dvb-usb/dtt200u.c @@ -9,7 +9,7 @@ * under the terms of the GNU General Public License as published by the Free * Software Foundation, version 2. * - * see Documentation/dvb/README.dvb-usb for more information + * see Documentation/media/dvb-drivers/dvb-usb.rst for more information */ #include "dtt200u.h" diff --git a/drivers/media/usb/dvb-usb/dtt200u.h b/drivers/media/usb/dvb-usb/dtt200u.h index efccc399b1cb..ea2a096c1650 100644 --- a/drivers/media/usb/dvb-usb/dtt200u.h +++ b/drivers/media/usb/dvb-usb/dtt200u.h @@ -7,7 +7,7 @@ * under the terms of the GNU General Public License as published by the Free * Software Foundation, version 2. * - * see Documentation/dvb/README.dvb-usb for more information + * see Documentation/media/dvb-drivers/dvb-usb.rst for more information */ #ifndef _DVB_USB_DTT200U_H_ #define _DVB_USB_DTT200U_H_ diff --git a/drivers/media/usb/dvb-usb/dvb-usb-firmware.c b/drivers/media/usb/dvb-usb/dvb-usb-firmware.c index 15c153e49382..42c207aacbb1 100644 --- a/drivers/media/usb/dvb-usb/dvb-usb-firmware.c +++ b/drivers/media/usb/dvb-usb/dvb-usb-firmware.c @@ -90,7 +90,7 @@ int dvb_usb_download_firmware(struct usb_device *udev, struct dvb_usb_device_pro const struct firmware *fw = NULL; if ((ret = request_firmware(&fw, props->firmware, &udev->dev)) != 0) { - err("did not find the firmware file. (%s) Please see linux/Documentation/dvb/ for more details on firmware-problems. (%d)", + err("did not find the firmware file '%s' (status %d). You can use <kernel_dir>/scripts/get_dvb_firmware to get the firmware", props->firmware,ret); return ret; } diff --git a/drivers/media/usb/dvb-usb/dvb-usb-init.c b/drivers/media/usb/dvb-usb/dvb-usb-init.c index 84308569e7dc..40ca4eafb137 100644 --- a/drivers/media/usb/dvb-usb/dvb-usb-init.c +++ b/drivers/media/usb/dvb-usb/dvb-usb-init.c @@ -9,7 +9,7 @@ * under the terms of the GNU General Public License as published by the Free * Software Foundation, version 2. * - * see Documentation/dvb/README.dvb-usb for more information + * see Documentation/media/dvb-drivers/dvb-usb.rst for more information */ #include "dvb-usb-common.h" diff --git a/drivers/media/usb/dvb-usb/dw2102.c b/drivers/media/usb/dvb-usb/dw2102.c index 346946f35b1a..0d4fdd34a710 100644 --- a/drivers/media/usb/dvb-usb/dw2102.c +++ b/drivers/media/usb/dvb-usb/dw2102.c @@ -11,7 +11,7 @@ * under the terms of the GNU General Public License as published by the * Free Software Foundation, version 2. * - * see Documentation/dvb/README.dvb-usb for more information + * see Documentation/media/dvb-drivers/dvb-usb.rst for more information */ #include <media/dvb-usb-ids.h> #include "dw2102.h" @@ -61,9 +61,7 @@ #define P1100_FIRMWARE "dvb-usb-p1100.fw" #define P7500_FIRMWARE "dvb-usb-p7500.fw" -#define err_str "did not find the firmware file. (%s) " \ - "Please see linux/Documentation/dvb/ for more details " \ - "on firmware-problems." +#define err_str "did not find the firmware file '%s'. You can use <kernel_dir>/scripts/get_dvb_firmware to get the firmware" struct dw2102_state { u8 initialized; diff --git a/drivers/media/usb/dvb-usb/friio-fe.c b/drivers/media/usb/dvb-usb/friio-fe.c index b2830c157548..932f262452eb 100644 --- a/drivers/media/usb/dvb-usb/friio-fe.c +++ b/drivers/media/usb/dvb-usb/friio-fe.c @@ -8,7 +8,7 @@ * under the terms of the GNU General Public License as published by the Free * Software Foundation, version 2. * - * see Documentation/dvb/README.dvb-usb for more information + * see Documentation/media/dvb-drivers/dvb-usb.rst for more information */ #include <linux/init.h> #include <linux/string.h> diff --git a/drivers/media/usb/dvb-usb/friio.c b/drivers/media/usb/dvb-usb/friio.c index 16875945e662..fe799a7ad44b 100644 --- a/drivers/media/usb/dvb-usb/friio.c +++ b/drivers/media/usb/dvb-usb/friio.c @@ -8,7 +8,7 @@ * under the terms of the GNU General Public License as published by the Free * Software Foundation, version 2. * - * see Documentation/dvb/README.dvb-usb for more information + * see Documentation/media/dvb-drivers/dvb-usb.rst for more information */ #include "friio.h" diff --git a/drivers/media/usb/dvb-usb/friio.h b/drivers/media/usb/dvb-usb/friio.h index 0f461ca10cb9..a53af56d035c 100644 --- a/drivers/media/usb/dvb-usb/friio.h +++ b/drivers/media/usb/dvb-usb/friio.h @@ -8,7 +8,7 @@ * under the terms of the GNU General Public License as published by the Free * Software Foundation, version 2. * - * see Documentation/dvb/README.dvb-usb for more information + * see Documentation/media/dvb-drivers/dvb-usb.rst for more information */ #ifndef _DVB_USB_FRIIO_H_ #define _DVB_USB_FRIIO_H_ diff --git a/drivers/media/usb/dvb-usb/gp8psk.c b/drivers/media/usb/dvb-usb/gp8psk.c index 334b9fb98112..13e96b0aeb0f 100644 --- a/drivers/media/usb/dvb-usb/gp8psk.c +++ b/drivers/media/usb/dvb-usb/gp8psk.c @@ -12,7 +12,7 @@ * under the terms of the GNU General Public License as published by the Free * Software Foundation, version 2. * - * see Documentation/dvb/README.dvb-usb for more information + * see Documentation/media/dvb-drivers/dvb-usb.rst for more information */ #include "gp8psk.h" #include "gp8psk-fe.h" @@ -135,7 +135,7 @@ static int gp8psk_load_bcm4500fw(struct dvb_usb_device *d) u8 *buf; if ((ret = request_firmware(&fw, bcm4500_firmware, &d->udev->dev)) != 0) { - err("did not find the bcm4500 firmware file. (%s) Please see linux/Documentation/dvb/ for more details on firmware-problems. (%d)", + err("did not find the bcm4500 firmware file '%s' (status %d). You can use <kernel_dir>/scripts/get_dvb_firmware to get the firmware", bcm4500_firmware,ret); return ret; } diff --git a/drivers/media/usb/dvb-usb/gp8psk.h b/drivers/media/usb/dvb-usb/gp8psk.h index d8975b866dee..fd063e385eaf 100644 --- a/drivers/media/usb/dvb-usb/gp8psk.h +++ b/drivers/media/usb/dvb-usb/gp8psk.h @@ -12,7 +12,7 @@ * under the terms of the GNU General Public License as published by the Free * Software Foundation, version 2. * - * see Documentation/dvb/README.dvb-usb for more information + * see Documentation/media/dvb-drivers/dvb-usb.rst for more information */ #ifndef _DVB_USB_GP8PSK_H_ #define _DVB_USB_GP8PSK_H_ diff --git a/drivers/media/usb/dvb-usb/m920x.c b/drivers/media/usb/dvb-usb/m920x.c index 32081c2ce0da..51b026fa6bfb 100644 --- a/drivers/media/usb/dvb-usb/m920x.c +++ b/drivers/media/usb/dvb-usb/m920x.c @@ -6,7 +6,7 @@ * under the terms of the GNU General Public License as published by the * Free Software Foundation, version 2. * - * see Documentation/dvb/README.dvb-usb for more information + * see Documentation/media/dvb-drivers/dvb-usb.rst for more information */ #include "m920x.h" diff --git a/drivers/media/usb/dvb-usb/nova-t-usb2.c b/drivers/media/usb/dvb-usb/nova-t-usb2.c index 1babd3341910..43e0e0fd715b 100644 --- a/drivers/media/usb/dvb-usb/nova-t-usb2.c +++ b/drivers/media/usb/dvb-usb/nova-t-usb2.c @@ -7,7 +7,7 @@ * under the terms of the GNU General Public License as published by the Free * Software Foundation, version 2. * - * see Documentation/dvb/README.dvb-usb for more information + * see Documentation/media/dvb-drivers/dvb-usb.rst for more information */ #include "dibusb.h" diff --git a/drivers/media/usb/dvb-usb/opera1.c b/drivers/media/usb/dvb-usb/opera1.c index 946a5ccc8f1a..61a377e2373d 100644 --- a/drivers/media/usb/dvb-usb/opera1.c +++ b/drivers/media/usb/dvb-usb/opera1.c @@ -7,7 +7,7 @@ * under the terms of the GNU General Public License as published by the Free * Software Foundation, version 2. * -* see Documentation/dvb/README.dvb-usb for more information +* see Documentation/media/dvb-drivers/dvb-usb.rst for more information */ #define DVB_USB_LOG_PREFIX "opera" @@ -453,7 +453,7 @@ static int opera1_xilinx_load_firmware(struct usb_device *dev, info("start downloading fpga firmware %s",filename); if ((ret = request_firmware(&fw, filename, &dev->dev)) != 0) { - err("did not find the firmware file. (%s) Please see linux/Documentation/dvb/ for more details on firmware-problems.", + err("did not find the firmware file '%s'. You can use <kernel_dir>/scripts/get_dvb_firmware to get the firmware", filename); return ret; } else { diff --git a/drivers/media/usb/dvb-usb/ttusb2.c b/drivers/media/usb/dvb-usb/ttusb2.c index 12de89665d60..b4d681151599 100644 --- a/drivers/media/usb/dvb-usb/ttusb2.c +++ b/drivers/media/usb/dvb-usb/ttusb2.c @@ -20,7 +20,7 @@ * under the terms of the GNU General Public License as published by the Free * Software Foundation, version 2. * - * see Documentation/dvb/README.dvb-usb for more information + * see Documentation/media/dvb-drivers/dvb-usb.rst for more information */ #define DVB_USB_LOG_PREFIX "ttusb2" #include "dvb-usb.h" diff --git a/drivers/media/usb/dvb-usb/ttusb2.h b/drivers/media/usb/dvb-usb/ttusb2.h index 52a63af40896..8b6525e5fb24 100644 --- a/drivers/media/usb/dvb-usb/ttusb2.h +++ b/drivers/media/usb/dvb-usb/ttusb2.h @@ -9,7 +9,7 @@ * under the terms of the GNU General Public License as published by the Free * Software Foundation, version 2. * - * see Documentation/dvb/README.dvb-usb for more information + * see Documentation/media/dvb-drivers/dvb-usb.rst for more information */ #ifndef _DVB_USB_TTUSB2_H_ #define _DVB_USB_TTUSB2_H_ diff --git a/drivers/media/usb/dvb-usb/umt-010.c b/drivers/media/usb/dvb-usb/umt-010.c index 58ad5b4f856c..920bc67c3bcb 100644 --- a/drivers/media/usb/dvb-usb/umt-010.c +++ b/drivers/media/usb/dvb-usb/umt-010.c @@ -7,7 +7,7 @@ * under the terms of the GNU General Public License as published by the Free * Software Foundation, version 2. * - * see Documentation/dvb/README.dvb-usb for more information + * see Documentation/media/dvb-drivers/dvb-usb.rst for more information */ #include "dibusb.h" diff --git a/drivers/media/usb/dvb-usb/vp702x-fe.c b/drivers/media/usb/dvb-usb/vp702x-fe.c index 7ff31baa3682..ae48146e005c 100644 --- a/drivers/media/usb/dvb-usb/vp702x-fe.c +++ b/drivers/media/usb/dvb-usb/vp702x-fe.c @@ -15,7 +15,7 @@ * under the terms of the GNU General Public License as published by the Free * Software Foundation, version 2. * - * see Documentation/dvb/README.dvb-usb for more information + * see Documentation/media/dvb-drivers/dvb-usb.rst for more information * */ #include "vp702x.h" diff --git a/drivers/media/usb/dvb-usb/vp702x.c b/drivers/media/usb/dvb-usb/vp702x.c index 40de33de90a7..c3529ea59da9 100644 --- a/drivers/media/usb/dvb-usb/vp702x.c +++ b/drivers/media/usb/dvb-usb/vp702x.c @@ -12,7 +12,7 @@ * under the terms of the GNU General Public License as published by the Free * Software Foundation, version 2. * - * see Documentation/dvb/README.dvb-usb for more information + * see Documentation/media/dvb-drivers/dvb-usb.rst for more information */ #include "vp702x.h" #include <linux/mutex.h> diff --git a/drivers/media/usb/dvb-usb/vp7045-fe.c b/drivers/media/usb/dvb-usb/vp7045-fe.c index 4520ad9c2014..f86040173b8d 100644 --- a/drivers/media/usb/dvb-usb/vp7045-fe.c +++ b/drivers/media/usb/dvb-usb/vp7045-fe.c @@ -9,7 +9,7 @@ * under the terms of the GNU General Public License as published by the Free * Software Foundation, version 2. * - * see Documentation/dvb/README.dvb-usb for more information + * see Documentation/media/dvb-drivers/dvb-usb.rst for more information * */ #include "vp7045.h" diff --git a/drivers/media/usb/dvb-usb/vp7045.c b/drivers/media/usb/dvb-usb/vp7045.c index 2527b88beb87..e2c8a8530554 100644 --- a/drivers/media/usb/dvb-usb/vp7045.c +++ b/drivers/media/usb/dvb-usb/vp7045.c @@ -10,7 +10,7 @@ * under the terms of the GNU General Public License as published by the Free * Software Foundation, version 2. * - * see Documentation/dvb/README.dvb-usb for more information + * see Documentation/media/dvb-drivers/dvb-usb.rst for more information */ #include "vp7045.h" diff --git a/drivers/media/usb/dvb-usb/vp7045.h b/drivers/media/usb/dvb-usb/vp7045.h index 66499932ca76..2fdafd8f8cd6 100644 --- a/drivers/media/usb/dvb-usb/vp7045.h +++ b/drivers/media/usb/dvb-usb/vp7045.h @@ -9,7 +9,7 @@ * under the terms of the GNU General Public License as published by the Free * Software Foundation, version 2. * - * see Documentation/dvb/README.dvb-usb for more information + * see Documentation/media/dvb-drivers/dvb-usb.rst for more information */ #ifndef _DVB_USB_VP7045_H_ #define _DVB_USB_VP7045_H_ diff --git a/drivers/media/usb/gspca/m5602/Kconfig b/drivers/media/usb/gspca/m5602/Kconfig index 5a69016ed75f..13a00399ced9 100644 --- a/drivers/media/usb/gspca/m5602/Kconfig +++ b/drivers/media/usb/gspca/m5602/Kconfig @@ -5,7 +5,5 @@ config USB_M5602 Say Y here if you want support for cameras based on the ALi m5602 connected to various image sensors. - See <file:Documentation/video4linux/m5602.txt> for more info. - To compile this driver as a module, choose M here: the module will be called gspca_m5602. diff --git a/drivers/media/usb/ttusb-dec/Kconfig b/drivers/media/usb/ttusb-dec/Kconfig index 290254ab06db..b205903a3c61 100644 --- a/drivers/media/usb/ttusb-dec/Kconfig +++ b/drivers/media/usb/ttusb-dec/Kconfig @@ -12,9 +12,9 @@ config DVB_TTUSB_DEC an external software decoder to watch TV on your computer. This driver needs external firmware. Please use the commands - "<kerneldir>/Documentation/dvb/get_dvb_firmware dec2000t", - "<kerneldir>/Documentation/dvb/get_dvb_firmware dec2540t", - "<kerneldir>/Documentation/dvb/get_dvb_firmware dec3000s", + "<kerneldir>/scripts/get_dvb_firmware dec2000t", + "<kerneldir>/scripts/get_dvb_firmware dec2540t", + "<kerneldir>/scripts/get_dvb_firmware dec3000s", download/extract them, and then copy them to /usr/lib/hotplug/firmware or /lib/firmware (depending on configuration of firmware hotplug). diff --git a/drivers/media/usb/zr364xx/Kconfig b/drivers/media/usb/zr364xx/Kconfig index 0f585662881d..ac429bca70e8 100644 --- a/drivers/media/usb/zr364xx/Kconfig +++ b/drivers/media/usb/zr364xx/Kconfig @@ -6,7 +6,7 @@ config USB_ZR364XX ---help--- Say Y here if you want to connect this type of camera to your computer's USB port. - See <file:Documentation/video4linux/zr364xx.txt> for more info + See <file:Documentation/media/v4l-drivers/zr364xx.rst> for more info and list of supported cameras. To compile this driver as a module, choose M here: the diff --git a/drivers/mfd/sm501.c b/drivers/mfd/sm501.c index 55d19fd0994e..2a87b0d2f21f 100644 --- a/drivers/mfd/sm501.c +++ b/drivers/mfd/sm501.c @@ -19,7 +19,7 @@ #include <linux/device.h> #include <linux/platform_device.h> #include <linux/pci.h> -#include <linux/i2c-gpio.h> +#include <linux/platform_data/i2c-gpio.h> #include <linux/gpio/machine.h> #include <linux/slab.h> diff --git a/drivers/mfd/timberdale.c b/drivers/mfd/timberdale.c index 05ecf828b2ab..436e34705af1 100644 --- a/drivers/mfd/timberdale.c +++ b/drivers/mfd/timberdale.c @@ -30,8 +30,8 @@ #include <linux/timb_gpio.h> #include <linux/i2c.h> -#include <linux/i2c-ocores.h> -#include <linux/i2c-xiic.h> +#include <linux/platform_data/i2c-ocores.h> +#include <linux/platform_data/i2c-xiic.h> #include <linux/spi/spi.h> #include <linux/spi/xilinx_spi.h> diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c index 33053b0d1fdf..f5cc517d1131 100644 --- a/drivers/misc/eeprom/at24.c +++ b/drivers/misc/eeprom/at24.c @@ -532,6 +532,45 @@ static int at24_get_pdata(struct device *dev, struct at24_platform_data *pdata) return 0; } +static void at24_remove_dummy_clients(struct at24_data *at24) +{ + int i; + + for (i = 1; i < at24->num_addresses; i++) + i2c_unregister_device(at24->client[i].client); +} + +static int at24_make_dummy_client(struct at24_data *at24, unsigned int index, + struct regmap_config *regmap_config) +{ + struct i2c_client *base_client, *dummy_client; + unsigned short int addr; + struct regmap *regmap; + struct device *dev; + + base_client = at24->client[0].client; + dev = &base_client->dev; + addr = base_client->addr + index; + + dummy_client = i2c_new_dummy(base_client->adapter, + base_client->addr + index); + if (!dummy_client) { + dev_err(dev, "address 0x%02x unavailable\n", addr); + return -EADDRINUSE; + } + + regmap = devm_regmap_init_i2c(dummy_client, regmap_config); + if (IS_ERR(regmap)) { + i2c_unregister_device(dummy_client); + return PTR_ERR(regmap); + } + + at24->client[index].client = dummy_client; + at24->client[index].regmap = regmap; + + return 0; +} + static unsigned int at24_get_offset_adj(u8 flags, unsigned int byte_len) { if (flags & AT24_FLAG_MAC) { @@ -637,20 +676,10 @@ static int at24_probe(struct i2c_client *client) /* use dummy devices for multiple-address chips */ for (i = 1; i < num_addresses; i++) { - at24->client[i].client = i2c_new_dummy(client->adapter, - client->addr + i); - if (!at24->client[i].client) { - dev_err(dev, "address 0x%02x unavailable\n", - client->addr + i); - err = -EADDRINUSE; - goto err_clients; - } - at24->client[i].regmap = devm_regmap_init_i2c( - at24->client[i].client, - ®map_config); - if (IS_ERR(at24->client[i].regmap)) { - err = PTR_ERR(at24->client[i].regmap); - goto err_clients; + err = at24_make_dummy_client(at24, i, ®map_config); + if (err) { + at24_remove_dummy_clients(at24); + return err; } } @@ -685,7 +714,7 @@ static int at24_probe(struct i2c_client *client) nvmem_config.word_size = 1; nvmem_config.size = pdata.byte_len; - at24->nvmem = nvmem_register(&nvmem_config); + at24->nvmem = devm_nvmem_register(dev, &nvmem_config); if (IS_ERR(at24->nvmem)) { err = PTR_ERR(at24->nvmem); goto err_clients; @@ -702,10 +731,7 @@ static int at24_probe(struct i2c_client *client) return 0; err_clients: - for (i = 1; i < num_addresses; i++) - if (at24->client[i].client) - i2c_unregister_device(at24->client[i].client); - + at24_remove_dummy_clients(at24); pm_runtime_disable(dev); return err; @@ -714,15 +740,10 @@ err_clients: static int at24_remove(struct i2c_client *client) { struct at24_data *at24; - int i; at24 = i2c_get_clientdata(client); - nvmem_unregister(at24->nvmem); - - for (i = 1; i < at24->num_addresses; i++) - i2c_unregister_device(at24->client[i].client); - + at24_remove_dummy_clients(at24); pm_runtime_disable(&client->dev); pm_runtime_set_suspended(&client->dev); diff --git a/drivers/net/ethernet/cavium/thunder/nic.h b/drivers/net/ethernet/cavium/thunder/nic.h index 448d1fafc827..f4d81765221e 100644 --- a/drivers/net/ethernet/cavium/thunder/nic.h +++ b/drivers/net/ethernet/cavium/thunder/nic.h @@ -325,6 +325,8 @@ struct nicvf { struct tasklet_struct qs_err_task; struct work_struct reset_task; struct nicvf_work rx_mode_work; + /* spinlock to protect workqueue arguments from concurrent access */ + spinlock_t rx_mode_wq_lock; /* PTP timestamp */ struct cavium_ptp *ptp_clock; diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_main.c b/drivers/net/ethernet/cavium/thunder/nicvf_main.c index 7135db45927e..135766c4296b 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_main.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_main.c @@ -1923,17 +1923,12 @@ static int nicvf_ioctl(struct net_device *netdev, struct ifreq *req, int cmd) } } -static void nicvf_set_rx_mode_task(struct work_struct *work_arg) +static void __nicvf_set_rx_mode_task(u8 mode, struct xcast_addr_list *mc_addrs, + struct nicvf *nic) { - struct nicvf_work *vf_work = container_of(work_arg, struct nicvf_work, - work.work); - struct nicvf *nic = container_of(vf_work, struct nicvf, rx_mode_work); union nic_mbx mbx = {}; int idx; - if (!vf_work) - return; - /* From the inside of VM code flow we have only 128 bits memory * available to send message to host's PF, so send all mc addrs * one by one, starting from flush command in case if kernel @@ -1944,7 +1939,7 @@ static void nicvf_set_rx_mode_task(struct work_struct *work_arg) mbx.xcast.msg = NIC_MBOX_MSG_RESET_XCAST; nicvf_send_msg_to_pf(nic, &mbx); - if (vf_work->mode & BGX_XCAST_MCAST_FILTER) { + if (mode & BGX_XCAST_MCAST_FILTER) { /* once enabling filtering, we need to signal to PF to add * its' own LMAC to the filter to accept packets for it. */ @@ -1954,23 +1949,46 @@ static void nicvf_set_rx_mode_task(struct work_struct *work_arg) } /* check if we have any specific MACs to be added to PF DMAC filter */ - if (vf_work->mc) { + if (mc_addrs) { /* now go through kernel list of MACs and add them one by one */ - for (idx = 0; idx < vf_work->mc->count; idx++) { + for (idx = 0; idx < mc_addrs->count; idx++) { mbx.xcast.msg = NIC_MBOX_MSG_ADD_MCAST; - mbx.xcast.data.mac = vf_work->mc->mc[idx]; + mbx.xcast.data.mac = mc_addrs->mc[idx]; nicvf_send_msg_to_pf(nic, &mbx); } - kfree(vf_work->mc); + kfree(mc_addrs); } /* and finally set rx mode for PF accordingly */ mbx.xcast.msg = NIC_MBOX_MSG_SET_XCAST; - mbx.xcast.data.mode = vf_work->mode; + mbx.xcast.data.mode = mode; nicvf_send_msg_to_pf(nic, &mbx); } +static void nicvf_set_rx_mode_task(struct work_struct *work_arg) +{ + struct nicvf_work *vf_work = container_of(work_arg, struct nicvf_work, + work.work); + struct nicvf *nic = container_of(vf_work, struct nicvf, rx_mode_work); + u8 mode; + struct xcast_addr_list *mc; + + if (!vf_work) + return; + + /* Save message data locally to prevent them from + * being overwritten by next ndo_set_rx_mode call(). + */ + spin_lock(&nic->rx_mode_wq_lock); + mode = vf_work->mode; + mc = vf_work->mc; + vf_work->mc = NULL; + spin_unlock(&nic->rx_mode_wq_lock); + + __nicvf_set_rx_mode_task(mode, mc, nic); +} + static void nicvf_set_rx_mode(struct net_device *netdev) { struct nicvf *nic = netdev_priv(netdev); @@ -2004,9 +2022,12 @@ static void nicvf_set_rx_mode(struct net_device *netdev) } } } + spin_lock(&nic->rx_mode_wq_lock); + kfree(nic->rx_mode_work.mc); nic->rx_mode_work.mc = mc_list; nic->rx_mode_work.mode = mode; - queue_delayed_work(nicvf_rx_mode_wq, &nic->rx_mode_work.work, 2 * HZ); + queue_delayed_work(nicvf_rx_mode_wq, &nic->rx_mode_work.work, 0); + spin_unlock(&nic->rx_mode_wq_lock); } static const struct net_device_ops nicvf_netdev_ops = { @@ -2163,6 +2184,7 @@ static int nicvf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) INIT_WORK(&nic->reset_task, nicvf_reset_task); INIT_DELAYED_WORK(&nic->rx_mode_work.work, nicvf_set_rx_mode_task); + spin_lock_init(&nic->rx_mode_wq_lock); err = register_netdev(netdev); if (err) { diff --git a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c index 2edfdbdaae48..7b795edd9d3a 100644 --- a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c +++ b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c @@ -3362,10 +3362,17 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) err = sysfs_create_group(&adapter->port[0]->dev.kobj, &cxgb3_attr_group); + if (err) { + dev_err(&pdev->dev, "cannot create sysfs group\n"); + goto out_close_led; + } print_port_info(adapter, ai); return 0; +out_close_led: + t3_set_reg_field(adapter, A_T3DBG_GPIO_EN, F_GPIO0_OUT_VAL, 0); + out_free_dev: iounmap(adapter->regs); for (i = ai->nports0 + ai->nports1 - 1; i >= 0; --i) diff --git a/drivers/net/ethernet/intel/Kconfig b/drivers/net/ethernet/intel/Kconfig index 14d287bed33c..1ab613eb5796 100644 --- a/drivers/net/ethernet/intel/Kconfig +++ b/drivers/net/ethernet/intel/Kconfig @@ -33,7 +33,7 @@ config E100 to identify the adapter. More specific information on configuring the driver is in - <file:Documentation/networking/e100.txt>. + <file:Documentation/networking/e100.rst>. To compile this driver as a module, choose M here. The module will be called e100. @@ -49,7 +49,7 @@ config E1000 <http://support.intel.com> More specific information on configuring the driver is in - <file:Documentation/networking/e1000.txt>. + <file:Documentation/networking/e1000.rst>. To compile this driver as a module, choose M here. The module will be called e1000. @@ -94,7 +94,7 @@ config IGB <http://support.intel.com> More specific information on configuring the driver is in - <file:Documentation/networking/e1000.txt>. + <file:Documentation/networking/e1000.rst>. To compile this driver as a module, choose M here. The module will be called igb. @@ -130,7 +130,7 @@ config IGBVF <http://support.intel.com> More specific information on configuring the driver is in - <file:Documentation/networking/e1000.txt>. + <file:Documentation/networking/e1000.rst>. To compile this driver as a module, choose M here. The module will be called igbvf. diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe.h index fc534e91c6b2..144d5fe6b944 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe.h @@ -760,9 +760,9 @@ struct ixgbe_adapter { #define IXGBE_RSS_KEY_SIZE 40 /* size of RSS Hash Key in bytes */ u32 *rss_key; -#ifdef CONFIG_XFRM +#ifdef CONFIG_XFRM_OFFLOAD struct ixgbe_ipsec *ipsec; -#endif /* CONFIG_XFRM */ +#endif /* CONFIG_XFRM_OFFLOAD */ }; static inline u8 ixgbe_max_rss_indices(struct ixgbe_adapter *adapter) diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c index 344a1f213a5f..c116f459945d 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c @@ -158,7 +158,16 @@ static void ixgbe_ipsec_stop_data(struct ixgbe_adapter *adapter) reg |= IXGBE_SECRXCTRL_RX_DIS; IXGBE_WRITE_REG(hw, IXGBE_SECRXCTRL, reg); - IXGBE_WRITE_FLUSH(hw); + /* If both Tx and Rx are ready there are no packets + * that we need to flush so the loopback configuration + * below is not necessary. + */ + t_rdy = IXGBE_READ_REG(hw, IXGBE_SECTXSTAT) & + IXGBE_SECTXSTAT_SECTX_RDY; + r_rdy = IXGBE_READ_REG(hw, IXGBE_SECRXSTAT) & + IXGBE_SECRXSTAT_SECRX_RDY; + if (t_rdy && r_rdy) + return; /* If the tx fifo doesn't have link, but still has data, * we can't clear the tx sec block. Set the MAC loopback @@ -185,7 +194,7 @@ static void ixgbe_ipsec_stop_data(struct ixgbe_adapter *adapter) IXGBE_SECTXSTAT_SECTX_RDY; r_rdy = IXGBE_READ_REG(hw, IXGBE_SECRXSTAT) & IXGBE_SECRXSTAT_SECRX_RDY; - } while (!t_rdy && !r_rdy && limit--); + } while (!(t_rdy && r_rdy) && limit--); /* undo loopback if we played with it earlier */ if (!link) { @@ -966,10 +975,22 @@ void ixgbe_ipsec_rx(struct ixgbe_ring *rx_ring, **/ void ixgbe_init_ipsec_offload(struct ixgbe_adapter *adapter) { + struct ixgbe_hw *hw = &adapter->hw; struct ixgbe_ipsec *ipsec; + u32 t_dis, r_dis; size_t size; - if (adapter->hw.mac.type == ixgbe_mac_82598EB) + if (hw->mac.type == ixgbe_mac_82598EB) + return; + + /* If there is no support for either Tx or Rx offload + * we should not be advertising support for IPsec. + */ + t_dis = IXGBE_READ_REG(hw, IXGBE_SECTXSTAT) & + IXGBE_SECTXSTAT_SECTX_OFF_DIS; + r_dis = IXGBE_READ_REG(hw, IXGBE_SECRXSTAT) & + IXGBE_SECRXSTAT_SECRX_OFF_DIS; + if (t_dis || r_dis) return; ipsec = kzalloc(sizeof(*ipsec), GFP_KERNEL); @@ -1001,13 +1022,6 @@ void ixgbe_init_ipsec_offload(struct ixgbe_adapter *adapter) adapter->netdev->xfrmdev_ops = &ixgbe_xfrmdev_ops; -#define IXGBE_ESP_FEATURES (NETIF_F_HW_ESP | \ - NETIF_F_HW_ESP_TX_CSUM | \ - NETIF_F_GSO_ESP) - - adapter->netdev->features |= IXGBE_ESP_FEATURES; - adapter->netdev->hw_enc_features |= IXGBE_ESP_FEATURES; - return; err2: diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c index 893a9206e718..d361f570ca37 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c @@ -593,6 +593,14 @@ static bool ixgbe_set_sriov_queues(struct ixgbe_adapter *adapter) } #endif + /* To support macvlan offload we have to use num_tc to + * restrict the queues that can be used by the device. + * By doing this we can avoid reporting a false number of + * queues. + */ + if (vmdq_i > 1) + netdev_set_num_tc(adapter->netdev, 1); + /* populate TC0 for use by pool 0 */ netdev_set_tc_queue(adapter->netdev, 0, adapter->num_rx_queues_per_pool, 0); diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 0b1ba3ae159c..3e87dbbc9024 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -6117,6 +6117,7 @@ static int ixgbe_sw_init(struct ixgbe_adapter *adapter, #ifdef CONFIG_IXGBE_DCB ixgbe_init_dcb(adapter); #endif + ixgbe_init_ipsec_offload(adapter); /* default flow control settings */ hw->fc.requested_mode = ixgbe_fc_full; @@ -8822,14 +8823,6 @@ int ixgbe_setup_tc(struct net_device *dev, u8 tc) } else { netdev_reset_tc(dev); - /* To support macvlan offload we have to use num_tc to - * restrict the queues that can be used by the device. - * By doing this we can avoid reporting a false number of - * queues. - */ - if (!tc && adapter->num_rx_pools > 1) - netdev_set_num_tc(dev, 1); - if (adapter->hw.mac.type == ixgbe_mac_82598EB) adapter->hw.fc.requested_mode = adapter->last_lfc_mode; @@ -9904,7 +9897,7 @@ ixgbe_features_check(struct sk_buff *skb, struct net_device *dev, * the TSO, so it's the exception. */ if (skb->encapsulation && !(features & NETIF_F_TSO_MANGLEID)) { -#ifdef CONFIG_XFRM +#ifdef CONFIG_XFRM_OFFLOAD if (!skb->sp) #endif features &= ~NETIF_F_TSO; @@ -10437,6 +10430,14 @@ skip_sriov: if (hw->mac.type >= ixgbe_mac_82599EB) netdev->features |= NETIF_F_SCTP_CRC; +#ifdef CONFIG_XFRM_OFFLOAD +#define IXGBE_ESP_FEATURES (NETIF_F_HW_ESP | \ + NETIF_F_HW_ESP_TX_CSUM | \ + NETIF_F_GSO_ESP) + + if (adapter->ipsec) + netdev->features |= IXGBE_ESP_FEATURES; +#endif /* copy netdev features into list of user selectable features */ netdev->hw_features |= netdev->features | NETIF_F_HW_VLAN_CTAG_FILTER | @@ -10499,8 +10500,6 @@ skip_sriov: NETIF_F_FCOE_MTU; } #endif /* IXGBE_FCOE */ - ixgbe_init_ipsec_offload(adapter); - if (adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE) netdev->hw_features |= NETIF_F_LRO; if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h index e8ed37749ab1..44cfb2021145 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h @@ -599,13 +599,15 @@ struct ixgbe_nvm_version { #define IXGBE_SECTXCTRL_STORE_FORWARD 0x00000004 #define IXGBE_SECTXSTAT_SECTX_RDY 0x00000001 -#define IXGBE_SECTXSTAT_ECC_TXERR 0x00000002 +#define IXGBE_SECTXSTAT_SECTX_OFF_DIS 0x00000002 +#define IXGBE_SECTXSTAT_ECC_TXERR 0x00000004 #define IXGBE_SECRXCTRL_SECRX_DIS 0x00000001 #define IXGBE_SECRXCTRL_RX_DIS 0x00000002 #define IXGBE_SECRXSTAT_SECRX_RDY 0x00000001 -#define IXGBE_SECRXSTAT_ECC_RXERR 0x00000002 +#define IXGBE_SECRXSTAT_SECRX_OFF_DIS 0x00000002 +#define IXGBE_SECRXSTAT_ECC_RXERR 0x00000004 /* LinkSec (MacSec) Registers */ #define IXGBE_LSECTXCAP 0x08A00 diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c index 77b2adb29341..6aaaf3d9ba31 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c @@ -4756,12 +4756,6 @@ static void mlxsw_sp_rt6_destroy(struct mlxsw_sp_rt6 *mlxsw_sp_rt6) kfree(mlxsw_sp_rt6); } -static bool mlxsw_sp_fib6_rt_can_mp(const struct fib6_info *rt) -{ - /* RTF_CACHE routes are ignored */ - return (rt->fib6_flags & (RTF_GATEWAY | RTF_ADDRCONF)) == RTF_GATEWAY; -} - static struct fib6_info * mlxsw_sp_fib6_entry_rt(const struct mlxsw_sp_fib6_entry *fib6_entry) { @@ -4771,11 +4765,11 @@ mlxsw_sp_fib6_entry_rt(const struct mlxsw_sp_fib6_entry *fib6_entry) static struct mlxsw_sp_fib6_entry * mlxsw_sp_fib6_node_mp_entry_find(const struct mlxsw_sp_fib_node *fib_node, - const struct fib6_info *nrt, bool replace) + const struct fib6_info *nrt, bool append) { struct mlxsw_sp_fib6_entry *fib6_entry; - if (!mlxsw_sp_fib6_rt_can_mp(nrt) || replace) + if (!append) return NULL; list_for_each_entry(fib6_entry, &fib_node->entry_list, common.list) { @@ -4790,8 +4784,7 @@ mlxsw_sp_fib6_node_mp_entry_find(const struct mlxsw_sp_fib_node *fib_node, break; if (rt->fib6_metric < nrt->fib6_metric) continue; - if (rt->fib6_metric == nrt->fib6_metric && - mlxsw_sp_fib6_rt_can_mp(rt)) + if (rt->fib6_metric == nrt->fib6_metric) return fib6_entry; if (rt->fib6_metric > nrt->fib6_metric) break; @@ -5170,7 +5163,7 @@ static struct mlxsw_sp_fib6_entry * mlxsw_sp_fib6_node_entry_find(const struct mlxsw_sp_fib_node *fib_node, const struct fib6_info *nrt, bool replace) { - struct mlxsw_sp_fib6_entry *fib6_entry, *fallback = NULL; + struct mlxsw_sp_fib6_entry *fib6_entry; list_for_each_entry(fib6_entry, &fib_node->entry_list, common.list) { struct fib6_info *rt = mlxsw_sp_fib6_entry_rt(fib6_entry); @@ -5179,18 +5172,13 @@ mlxsw_sp_fib6_node_entry_find(const struct mlxsw_sp_fib_node *fib_node, continue; if (rt->fib6_table->tb6_id != nrt->fib6_table->tb6_id) break; - if (replace && rt->fib6_metric == nrt->fib6_metric) { - if (mlxsw_sp_fib6_rt_can_mp(rt) == - mlxsw_sp_fib6_rt_can_mp(nrt)) - return fib6_entry; - if (mlxsw_sp_fib6_rt_can_mp(nrt)) - fallback = fallback ?: fib6_entry; - } + if (replace && rt->fib6_metric == nrt->fib6_metric) + return fib6_entry; if (rt->fib6_metric > nrt->fib6_metric) - return fallback ?: fib6_entry; + return fib6_entry; } - return fallback; + return NULL; } static int @@ -5316,7 +5304,8 @@ static void mlxsw_sp_fib6_entry_replace(struct mlxsw_sp *mlxsw_sp, } static int mlxsw_sp_router_fib6_add(struct mlxsw_sp *mlxsw_sp, - struct fib6_info *rt, bool replace) + struct fib6_info *rt, bool replace, + bool append) { struct mlxsw_sp_fib6_entry *fib6_entry; struct mlxsw_sp_fib_node *fib_node; @@ -5342,7 +5331,7 @@ static int mlxsw_sp_router_fib6_add(struct mlxsw_sp *mlxsw_sp, /* Before creating a new entry, try to append route to an existing * multipath entry. */ - fib6_entry = mlxsw_sp_fib6_node_mp_entry_find(fib_node, rt, replace); + fib6_entry = mlxsw_sp_fib6_node_mp_entry_find(fib_node, rt, append); if (fib6_entry) { err = mlxsw_sp_fib6_entry_nexthop_add(mlxsw_sp, fib6_entry, rt); if (err) @@ -5350,6 +5339,14 @@ static int mlxsw_sp_router_fib6_add(struct mlxsw_sp *mlxsw_sp, return 0; } + /* We received an append event, yet did not find any route to + * append to. + */ + if (WARN_ON(append)) { + err = -EINVAL; + goto err_fib6_entry_append; + } + fib6_entry = mlxsw_sp_fib6_entry_create(mlxsw_sp, fib_node, rt); if (IS_ERR(fib6_entry)) { err = PTR_ERR(fib6_entry); @@ -5367,6 +5364,7 @@ static int mlxsw_sp_router_fib6_add(struct mlxsw_sp *mlxsw_sp, err_fib6_node_entry_link: mlxsw_sp_fib6_entry_destroy(mlxsw_sp, fib6_entry); err_fib6_entry_create: +err_fib6_entry_append: err_fib6_entry_nexthop_add: mlxsw_sp_fib_node_put(mlxsw_sp, fib_node); return err; @@ -5717,7 +5715,7 @@ static void mlxsw_sp_router_fib6_event_work(struct work_struct *work) struct mlxsw_sp_fib_event_work *fib_work = container_of(work, struct mlxsw_sp_fib_event_work, work); struct mlxsw_sp *mlxsw_sp = fib_work->mlxsw_sp; - bool replace; + bool replace, append; int err; rtnl_lock(); @@ -5728,8 +5726,10 @@ static void mlxsw_sp_router_fib6_event_work(struct work_struct *work) case FIB_EVENT_ENTRY_APPEND: /* fall through */ case FIB_EVENT_ENTRY_ADD: replace = fib_work->event == FIB_EVENT_ENTRY_REPLACE; + append = fib_work->event == FIB_EVENT_ENTRY_APPEND; err = mlxsw_sp_router_fib6_add(mlxsw_sp, - fib_work->fen6_info.rt, replace); + fib_work->fen6_info.rt, replace, + append); if (err) mlxsw_sp_router_fib_abort(mlxsw_sp); mlxsw_sp_rt6_release(fib_work->fen6_info.rt); diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c index e97652c40d13..eea5666a86b2 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c @@ -1018,8 +1018,10 @@ mlxsw_sp_port_vlan_bridge_join(struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan, int err; /* No need to continue if only VLAN flags were changed */ - if (mlxsw_sp_port_vlan->bridge_port) + if (mlxsw_sp_port_vlan->bridge_port) { + mlxsw_sp_port_vlan_put(mlxsw_sp_port_vlan); return 0; + } err = mlxsw_sp_port_vlan_fid_join(mlxsw_sp_port_vlan, bridge_port); if (err) diff --git a/drivers/net/ethernet/netronome/nfp/flower/main.c b/drivers/net/ethernet/netronome/nfp/flower/main.c index 19cfa162ac65..1decf3a1cad3 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/main.c +++ b/drivers/net/ethernet/netronome/nfp/flower/main.c @@ -455,6 +455,7 @@ static int nfp_flower_vnic_alloc(struct nfp_app *app, struct nfp_net *nn, eth_hw_addr_random(nn->dp.netdev); netif_keep_dst(nn->dp.netdev); + nn->vnic_no_name = true; return 0; diff --git a/drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.c b/drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.c index ec524d97869d..78afe75129ab 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.c +++ b/drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.c @@ -381,6 +381,8 @@ nfp_tun_neigh_event_handler(struct notifier_block *nb, unsigned long event, err = PTR_ERR_OR_ZERO(rt); if (err) return NOTIFY_DONE; + + ip_rt_put(rt); #else return NOTIFY_DONE; #endif diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net.h b/drivers/net/ethernet/netronome/nfp/nfp_net.h index 57cb035dcc6d..2a71a9ffd095 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net.h +++ b/drivers/net/ethernet/netronome/nfp/nfp_net.h @@ -590,6 +590,8 @@ struct nfp_net_dp { * @vnic_list: Entry on device vNIC list * @pdev: Backpointer to PCI device * @app: APP handle if available + * @vnic_no_name: For non-port PF vNIC make ndo_get_phys_port_name return + * -EOPNOTSUPP to keep backwards compatibility (set by app) * @port: Pointer to nfp_port structure if vNIC is a port * @app_priv: APP private data for this vNIC */ @@ -663,6 +665,8 @@ struct nfp_net { struct pci_dev *pdev; struct nfp_app *app; + bool vnic_no_name; + struct nfp_port *port; void *app_priv; diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c index 75110c8d6a90..d4c27f849f9b 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c @@ -3121,7 +3121,7 @@ static void nfp_net_stat64(struct net_device *netdev, struct nfp_net *nn = netdev_priv(netdev); int r; - for (r = 0; r < nn->dp.num_r_vecs; r++) { + for (r = 0; r < nn->max_r_vecs; r++) { struct nfp_net_r_vector *r_vec = &nn->r_vecs[r]; u64 data[3]; unsigned int start; @@ -3286,7 +3286,7 @@ nfp_net_get_phys_port_name(struct net_device *netdev, char *name, size_t len) if (nn->port) return nfp_port_get_phys_port_name(netdev, name, len); - if (nn->dp.is_vf) + if (nn->dp.is_vf || nn->vnic_no_name) return -EOPNOTSUPP; n = snprintf(name, len, "n%d", nn->id); diff --git a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_resource.c b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_resource.c index 2dd89dba9311..d32af598da90 100644 --- a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_resource.c +++ b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_resource.c @@ -98,21 +98,18 @@ struct nfp_resource { static int nfp_cpp_resource_find(struct nfp_cpp *cpp, struct nfp_resource *res) { - char name_pad[NFP_RESOURCE_ENTRY_NAME_SZ] = {}; struct nfp_resource_entry entry; u32 cpp_id, key; int ret, i; cpp_id = NFP_CPP_ID(NFP_RESOURCE_TBL_TARGET, 3, 0); /* Atomic read */ - strncpy(name_pad, res->name, sizeof(name_pad)); - /* Search for a matching entry */ - if (!memcmp(name_pad, NFP_RESOURCE_TBL_NAME "\0\0\0\0\0\0\0\0", 8)) { + if (!strcmp(res->name, NFP_RESOURCE_TBL_NAME)) { nfp_err(cpp, "Grabbing device lock not supported\n"); return -EOPNOTSUPP; } - key = crc32_posix(name_pad, sizeof(name_pad)); + key = crc32_posix(res->name, NFP_RESOURCE_ENTRY_NAME_SZ); for (i = 0; i < NFP_RESOURCE_TBL_ENTRIES; i++) { u64 addr = NFP_RESOURCE_TBL_BASE + diff --git a/drivers/net/ethernet/qualcomm/emac/emac-sgmii.c b/drivers/net/ethernet/qualcomm/emac/emac-sgmii.c index e78e5db39458..c694e3428dfc 100644 --- a/drivers/net/ethernet/qualcomm/emac/emac-sgmii.c +++ b/drivers/net/ethernet/qualcomm/emac/emac-sgmii.c @@ -384,6 +384,7 @@ int emac_sgmii_config(struct platform_device *pdev, struct emac_adapter *adpt) } sgmii_pdev = of_find_device_by_node(np); + of_node_put(np); if (!sgmii_pdev) { dev_err(&pdev->dev, "invalid internal-phy property\n"); return -ENODEV; diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c index 4ff231df7322..c5979569fd60 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c @@ -334,9 +334,10 @@ static int meson8b_dwmac_probe(struct platform_device *pdev) dwmac->data = (const struct meson8b_dwmac_data *) of_device_get_match_data(&pdev->dev); - if (!dwmac->data) - return -EINVAL; - + if (!dwmac->data) { + ret = -EINVAL; + goto err_remove_config_dt; + } res = platform_get_resource(pdev, IORESOURCE_MEM, 1); dwmac->regs = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(dwmac->regs)) { diff --git a/drivers/net/ethernet/stmicro/stmmac/hwif.c b/drivers/net/ethernet/stmicro/stmmac/hwif.c index 14770fc8865e..1f50e83cafb2 100644 --- a/drivers/net/ethernet/stmicro/stmmac/hwif.c +++ b/drivers/net/ethernet/stmicro/stmmac/hwif.c @@ -252,13 +252,8 @@ int stmmac_hwif_init(struct stmmac_priv *priv) return ret; } - /* Run quirks, if needed */ - if (entry->quirks) { - ret = entry->quirks(priv); - if (ret) - return ret; - } - + /* Save quirks, if needed for posterior use */ + priv->hwif_quirks = entry->quirks; return 0; } diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac.h b/drivers/net/ethernet/stmicro/stmmac/stmmac.h index 025efbf6145c..76649adf8fb0 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac.h +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac.h @@ -129,6 +129,7 @@ struct stmmac_priv { struct net_device *dev; struct device *device; struct mac_device_info *hw; + int (*hwif_quirks)(struct stmmac_priv *priv); struct mutex lock; /* RX Queue */ diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 11fb7c777d89..e79b0d7b388a 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -3182,17 +3182,22 @@ dma_map_err: static void stmmac_rx_vlan(struct net_device *dev, struct sk_buff *skb) { - struct ethhdr *ehdr; + struct vlan_ethhdr *veth; + __be16 vlan_proto; u16 vlanid; - if ((dev->features & NETIF_F_HW_VLAN_CTAG_RX) == - NETIF_F_HW_VLAN_CTAG_RX && - !__vlan_get_tag(skb, &vlanid)) { + veth = (struct vlan_ethhdr *)skb->data; + vlan_proto = veth->h_vlan_proto; + + if ((vlan_proto == htons(ETH_P_8021Q) && + dev->features & NETIF_F_HW_VLAN_CTAG_RX) || + (vlan_proto == htons(ETH_P_8021AD) && + dev->features & NETIF_F_HW_VLAN_STAG_RX)) { /* pop the vlan tag */ - ehdr = (struct ethhdr *)skb->data; - memmove(skb->data + VLAN_HLEN, ehdr, ETH_ALEN * 2); + vlanid = ntohs(veth->h_vlan_TCI); + memmove(skb->data + VLAN_HLEN, veth, ETH_ALEN * 2); skb_pull(skb, VLAN_HLEN); - __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vlanid); + __vlan_hwaccel_put_tag(skb, vlan_proto, vlanid); } } @@ -4130,6 +4135,13 @@ static int stmmac_hw_init(struct stmmac_priv *priv) if (priv->dma_cap.tsoen) dev_info(priv->device, "TSO supported\n"); + /* Run HW quirks, if any */ + if (priv->hwif_quirks) { + ret = priv->hwif_quirks(priv); + if (ret) + return ret; + } + return 0; } @@ -4235,7 +4247,7 @@ int stmmac_dvr_probe(struct device *device, ndev->watchdog_timeo = msecs_to_jiffies(watchdog); #ifdef STMMAC_VLAN_TAG_USED /* Both mac100 and gmac support receive VLAN tag detection */ - ndev->features |= NETIF_F_HW_VLAN_CTAG_RX; + ndev->features |= NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_STAG_RX; #endif priv->msg_enable = netif_msg_init(debug, default_msg_level); diff --git a/drivers/net/ethernet/xilinx/xilinx_emaclite.c b/drivers/net/ethernet/xilinx/xilinx_emaclite.c index 69e31ceccfae..2a0c06e0f730 100644 --- a/drivers/net/ethernet/xilinx/xilinx_emaclite.c +++ b/drivers/net/ethernet/xilinx/xilinx_emaclite.c @@ -123,7 +123,6 @@ * @phy_node: pointer to the PHY device node * @mii_bus: pointer to the MII bus * @last_link: last link status - * @has_mdio: indicates whether MDIO is included in the HW */ struct net_local { @@ -144,7 +143,6 @@ struct net_local { struct mii_bus *mii_bus; int last_link; - bool has_mdio; }; @@ -863,14 +861,14 @@ static int xemaclite_mdio_setup(struct net_local *lp, struct device *dev) bus->write = xemaclite_mdio_write; bus->parent = dev; - lp->mii_bus = bus; - rc = of_mdiobus_register(bus, np); if (rc) { dev_err(dev, "Failed to register mdio bus.\n"); goto err_register; } + lp->mii_bus = bus; + return 0; err_register: @@ -1145,9 +1143,7 @@ static int xemaclite_of_probe(struct platform_device *ofdev) xemaclite_update_address(lp, ndev->dev_addr); lp->phy_node = of_parse_phandle(ofdev->dev.of_node, "phy-handle", 0); - rc = xemaclite_mdio_setup(lp, &ofdev->dev); - if (rc) - dev_warn(&ofdev->dev, "error registering MDIO bus\n"); + xemaclite_mdio_setup(lp, &ofdev->dev); dev_info(dev, "MAC address is now %pM\n", ndev->dev_addr); @@ -1191,7 +1187,7 @@ static int xemaclite_of_remove(struct platform_device *of_dev) struct net_local *lp = netdev_priv(ndev); /* Un-register the mii_bus, if configured */ - if (lp->has_mdio) { + if (lp->mii_bus) { mdiobus_unregister(lp->mii_bus); mdiobus_free(lp->mii_bus); lp->mii_bus = NULL; diff --git a/drivers/net/hyperv/Kconfig b/drivers/net/hyperv/Kconfig index 23a2d145813a..0765d5f61714 100644 --- a/drivers/net/hyperv/Kconfig +++ b/drivers/net/hyperv/Kconfig @@ -2,6 +2,5 @@ config HYPERV_NET tristate "Microsoft Hyper-V virtual network driver" depends on HYPERV select UCS2_STRING - select FAILOVER help Select this option to enable the Hyper-V virtual network driver. diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h index 23304aca25f9..1a924b867b07 100644 --- a/drivers/net/hyperv/hyperv_net.h +++ b/drivers/net/hyperv/hyperv_net.h @@ -901,6 +901,8 @@ struct net_device_context { struct hv_device *device_ctx; /* netvsc_device */ struct netvsc_device __rcu *nvdev; + /* list of netvsc net_devices */ + struct list_head list; /* reconfigure work */ struct delayed_work dwork; /* last reconfig time */ @@ -931,8 +933,6 @@ struct net_device_context { u32 vf_alloc; /* Serial number of the VF to team with */ u32 vf_serial; - - struct failover *failover; }; /* Per channel data */ @@ -1277,17 +1277,17 @@ struct ndis_lsov2_offload { struct ndis_ipsecv2_offload { u32 encap; - u16 ip6; - u16 ip4opt; - u16 ip6ext; - u16 ah; - u16 esp; - u16 ah_esp; - u16 xport; - u16 tun; - u16 xport_tun; - u16 lso; - u16 extseq; + u8 ip6; + u8 ip4opt; + u8 ip6ext; + u8 ah; + u8 esp; + u8 ah_esp; + u8 xport; + u8 tun; + u8 xport_tun; + u8 lso; + u8 extseq; u32 udp_esp; u32 auth; u32 crypto; @@ -1295,8 +1295,8 @@ struct ndis_ipsecv2_offload { }; struct ndis_rsc_offload { - u16 ip4; - u16 ip6; + u8 ip4; + u8 ip6; }; struct ndis_encap_offload { diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index 7b18a8c267c2..fe2256bf1d13 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -42,7 +42,6 @@ #include <net/pkt_sched.h> #include <net/checksum.h> #include <net/ip6_checksum.h> -#include <net/failover.h> #include "hyperv_net.h" @@ -68,6 +67,8 @@ static int debug = -1; module_param(debug, int, 0444); MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)"); +static LIST_HEAD(netvsc_dev_list); + static void netvsc_change_rx_flags(struct net_device *net, int change) { struct net_device_context *ndev_ctx = netdev_priv(net); @@ -1780,6 +1781,36 @@ out_unlock: rtnl_unlock(); } +static struct net_device *get_netvsc_bymac(const u8 *mac) +{ + struct net_device_context *ndev_ctx; + + list_for_each_entry(ndev_ctx, &netvsc_dev_list, list) { + struct net_device *dev = hv_get_drvdata(ndev_ctx->device_ctx); + + if (ether_addr_equal(mac, dev->perm_addr)) + return dev; + } + + return NULL; +} + +static struct net_device *get_netvsc_byref(struct net_device *vf_netdev) +{ + struct net_device_context *net_device_ctx; + struct net_device *dev; + + dev = netdev_master_upper_dev_get(vf_netdev); + if (!dev || dev->netdev_ops != &device_ops) + return NULL; /* not a netvsc device */ + + net_device_ctx = netdev_priv(dev); + if (!rtnl_dereference(net_device_ctx->nvdev)) + return NULL; /* device is removed */ + + return dev; +} + /* Called when VF is injecting data into network stack. * Change the associated network device from VF to netvsc. * note: already called with rcu_read_lock @@ -1802,6 +1833,46 @@ static rx_handler_result_t netvsc_vf_handle_frame(struct sk_buff **pskb) return RX_HANDLER_ANOTHER; } +static int netvsc_vf_join(struct net_device *vf_netdev, + struct net_device *ndev) +{ + struct net_device_context *ndev_ctx = netdev_priv(ndev); + int ret; + + ret = netdev_rx_handler_register(vf_netdev, + netvsc_vf_handle_frame, ndev); + if (ret != 0) { + netdev_err(vf_netdev, + "can not register netvsc VF receive handler (err = %d)\n", + ret); + goto rx_handler_failed; + } + + ret = netdev_master_upper_dev_link(vf_netdev, ndev, + NULL, NULL, NULL); + if (ret != 0) { + netdev_err(vf_netdev, + "can not set master device %s (err = %d)\n", + ndev->name, ret); + goto upper_link_failed; + } + + /* set slave flag before open to prevent IPv6 addrconf */ + vf_netdev->flags |= IFF_SLAVE; + + schedule_delayed_work(&ndev_ctx->vf_takeover, VF_TAKEOVER_INT); + + call_netdevice_notifiers(NETDEV_JOIN, vf_netdev); + + netdev_info(vf_netdev, "joined to %s\n", ndev->name); + return 0; + +upper_link_failed: + netdev_rx_handler_unregister(vf_netdev); +rx_handler_failed: + return ret; +} + static void __netvsc_vf_setup(struct net_device *ndev, struct net_device *vf_netdev) { @@ -1852,95 +1923,104 @@ static void netvsc_vf_setup(struct work_struct *w) rtnl_unlock(); } -static int netvsc_pre_register_vf(struct net_device *vf_netdev, - struct net_device *ndev) +static int netvsc_register_vf(struct net_device *vf_netdev) { + struct net_device *ndev; struct net_device_context *net_device_ctx; struct netvsc_device *netvsc_dev; + int ret; + + if (vf_netdev->addr_len != ETH_ALEN) + return NOTIFY_DONE; + + /* + * We will use the MAC address to locate the synthetic interface to + * associate with the VF interface. If we don't find a matching + * synthetic interface, move on. + */ + ndev = get_netvsc_bymac(vf_netdev->perm_addr); + if (!ndev) + return NOTIFY_DONE; net_device_ctx = netdev_priv(ndev); netvsc_dev = rtnl_dereference(net_device_ctx->nvdev); if (!netvsc_dev || rtnl_dereference(net_device_ctx->vf_netdev)) - return -ENODEV; - - return 0; -} + return NOTIFY_DONE; -static int netvsc_register_vf(struct net_device *vf_netdev, - struct net_device *ndev) -{ - struct net_device_context *ndev_ctx = netdev_priv(ndev); - - /* set slave flag before open to prevent IPv6 addrconf */ - vf_netdev->flags |= IFF_SLAVE; - - schedule_delayed_work(&ndev_ctx->vf_takeover, VF_TAKEOVER_INT); + /* if syntihetic interface is a different namespace, + * then move the VF to that namespace; join will be + * done again in that context. + */ + if (!net_eq(dev_net(ndev), dev_net(vf_netdev))) { + ret = dev_change_net_namespace(vf_netdev, + dev_net(ndev), "eth%d"); + if (ret) + netdev_err(vf_netdev, + "could not move to same namespace as %s: %d\n", + ndev->name, ret); + else + netdev_info(vf_netdev, + "VF moved to namespace with: %s\n", + ndev->name); + return NOTIFY_DONE; + } - call_netdevice_notifiers(NETDEV_JOIN, vf_netdev); + netdev_info(ndev, "VF registering: %s\n", vf_netdev->name); - netdev_info(vf_netdev, "joined to %s\n", ndev->name); + if (netvsc_vf_join(vf_netdev, ndev) != 0) + return NOTIFY_DONE; dev_hold(vf_netdev); - rcu_assign_pointer(ndev_ctx->vf_netdev, vf_netdev); - - return 0; + rcu_assign_pointer(net_device_ctx->vf_netdev, vf_netdev); + return NOTIFY_OK; } /* VF up/down change detected, schedule to change data path */ -static int netvsc_vf_changed(struct net_device *vf_netdev, - struct net_device *ndev) +static int netvsc_vf_changed(struct net_device *vf_netdev) { struct net_device_context *net_device_ctx; struct netvsc_device *netvsc_dev; + struct net_device *ndev; bool vf_is_up = netif_running(vf_netdev); + ndev = get_netvsc_byref(vf_netdev); + if (!ndev) + return NOTIFY_DONE; + net_device_ctx = netdev_priv(ndev); netvsc_dev = rtnl_dereference(net_device_ctx->nvdev); if (!netvsc_dev) - return -ENODEV; + return NOTIFY_DONE; netvsc_switch_datapath(ndev, vf_is_up); netdev_info(ndev, "Data path switched %s VF: %s\n", vf_is_up ? "to" : "from", vf_netdev->name); - return 0; + return NOTIFY_OK; } -static int netvsc_pre_unregister_vf(struct net_device *vf_netdev, - struct net_device *ndev) +static int netvsc_unregister_vf(struct net_device *vf_netdev) { + struct net_device *ndev; struct net_device_context *net_device_ctx; - net_device_ctx = netdev_priv(ndev); - cancel_delayed_work_sync(&net_device_ctx->vf_takeover); - - return 0; -} - -static int netvsc_unregister_vf(struct net_device *vf_netdev, - struct net_device *ndev) -{ - struct net_device_context *net_device_ctx; + ndev = get_netvsc_byref(vf_netdev); + if (!ndev) + return NOTIFY_DONE; net_device_ctx = netdev_priv(ndev); + cancel_delayed_work_sync(&net_device_ctx->vf_takeover); netdev_info(ndev, "VF unregistering: %s\n", vf_netdev->name); + netdev_rx_handler_unregister(vf_netdev); + netdev_upper_dev_unlink(vf_netdev, ndev); RCU_INIT_POINTER(net_device_ctx->vf_netdev, NULL); dev_put(vf_netdev); - return 0; + return NOTIFY_OK; } -static struct failover_ops netvsc_failover_ops = { - .slave_pre_register = netvsc_pre_register_vf, - .slave_register = netvsc_register_vf, - .slave_pre_unregister = netvsc_pre_unregister_vf, - .slave_unregister = netvsc_unregister_vf, - .slave_link_change = netvsc_vf_changed, - .slave_handle_frame = netvsc_vf_handle_frame, -}; - static int netvsc_probe(struct hv_device *dev, const struct hv_vmbus_device_id *dev_id) { @@ -2024,23 +2104,19 @@ static int netvsc_probe(struct hv_device *dev, else net->max_mtu = ETH_DATA_LEN; - ret = register_netdev(net); + rtnl_lock(); + ret = register_netdevice(net); if (ret != 0) { pr_err("Unable to register netdev.\n"); goto register_failed; } - net_device_ctx->failover = failover_register(net, &netvsc_failover_ops); - if (IS_ERR(net_device_ctx->failover)) { - ret = PTR_ERR(net_device_ctx->failover); - goto err_failover; - } - - return ret; + list_add(&net_device_ctx->list, &netvsc_dev_list); + rtnl_unlock(); + return 0; -err_failover: - unregister_netdev(net); register_failed: + rtnl_unlock(); rndis_filter_device_remove(dev, nvdev); rndis_failed: free_percpu(net_device_ctx->vf_stats); @@ -2080,14 +2156,13 @@ static int netvsc_remove(struct hv_device *dev) rtnl_lock(); vf_netdev = rtnl_dereference(ndev_ctx->vf_netdev); if (vf_netdev) - failover_slave_unregister(vf_netdev); + netvsc_unregister_vf(vf_netdev); if (nvdev) rndis_filter_device_remove(dev, nvdev); unregister_netdevice(net); - - failover_unregister(ndev_ctx->failover); + list_del(&ndev_ctx->list); rtnl_unlock(); rcu_read_unlock(); @@ -2115,8 +2190,54 @@ static struct hv_driver netvsc_drv = { .remove = netvsc_remove, }; +/* + * On Hyper-V, every VF interface is matched with a corresponding + * synthetic interface. The synthetic interface is presented first + * to the guest. When the corresponding VF instance is registered, + * we will take care of switching the data path. + */ +static int netvsc_netdev_event(struct notifier_block *this, + unsigned long event, void *ptr) +{ + struct net_device *event_dev = netdev_notifier_info_to_dev(ptr); + + /* Skip our own events */ + if (event_dev->netdev_ops == &device_ops) + return NOTIFY_DONE; + + /* Avoid non-Ethernet type devices */ + if (event_dev->type != ARPHRD_ETHER) + return NOTIFY_DONE; + + /* Avoid Vlan dev with same MAC registering as VF */ + if (is_vlan_dev(event_dev)) + return NOTIFY_DONE; + + /* Avoid Bonding master dev with same MAC registering as VF */ + if ((event_dev->priv_flags & IFF_BONDING) && + (event_dev->flags & IFF_MASTER)) + return NOTIFY_DONE; + + switch (event) { + case NETDEV_REGISTER: + return netvsc_register_vf(event_dev); + case NETDEV_UNREGISTER: + return netvsc_unregister_vf(event_dev); + case NETDEV_UP: + case NETDEV_DOWN: + return netvsc_vf_changed(event_dev); + default: + return NOTIFY_DONE; + } +} + +static struct notifier_block netvsc_netdev_notifier = { + .notifier_call = netvsc_netdev_event, +}; + static void __exit netvsc_drv_exit(void) { + unregister_netdevice_notifier(&netvsc_netdev_notifier); vmbus_driver_unregister(&netvsc_drv); } @@ -2135,6 +2256,7 @@ static int __init netvsc_drv_init(void) if (ret) return ret; + register_netdevice_notifier(&netvsc_netdev_notifier); return 0; } diff --git a/drivers/net/phy/mdio-gpio.c b/drivers/net/phy/mdio-gpio.c index 4e4c8daf44c3..33265747bf39 100644 --- a/drivers/net/phy/mdio-gpio.c +++ b/drivers/net/phy/mdio-gpio.c @@ -26,10 +26,7 @@ #include <linux/platform_device.h> #include <linux/mdio-bitbang.h> #include <linux/mdio-gpio.h> -#include <linux/gpio.h> #include <linux/gpio/consumer.h> - -#include <linux/of_gpio.h> #include <linux/of_mdio.h> struct mdio_gpio_info { diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index 9825bfd42abc..18e819d964f1 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -3572,11 +3572,14 @@ static int __init init_mac80211_hwsim(void) hwsim_wq = alloc_workqueue("hwsim_wq", 0, 0); if (!hwsim_wq) return -ENOMEM; - rhashtable_init(&hwsim_radios_rht, &hwsim_rht_params); + + err = rhashtable_init(&hwsim_radios_rht, &hwsim_rht_params); + if (err) + goto out_free_wq; err = register_pernet_device(&hwsim_net_ops); if (err) - return err; + goto out_free_rht; err = platform_driver_register(&mac80211_hwsim_driver); if (err) @@ -3701,6 +3704,10 @@ out_unregister_driver: platform_driver_unregister(&mac80211_hwsim_driver); out_unregister_pernet: unregister_pernet_device(&hwsim_net_ops); +out_free_rht: + rhashtable_destroy(&hwsim_radios_rht); +out_free_wq: + destroy_workqueue(hwsim_wq); return err; } module_init(init_mac80211_hwsim); diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index 679da1abd73c..922ce0abf5cf 100644 --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -239,7 +239,7 @@ static void rx_refill_timeout(struct timer_list *t) static int netfront_tx_slot_available(struct netfront_queue *queue) { return (queue->tx.req_prod_pvt - queue->tx.rsp_cons) < - (NET_TX_RING_SIZE - MAX_SKB_FRAGS - 2); + (NET_TX_RING_SIZE - XEN_NETIF_NR_SLOTS_MIN - 1); } static void xennet_maybe_wake_tx(struct netfront_queue *queue) @@ -790,7 +790,7 @@ static int xennet_get_responses(struct netfront_queue *queue, RING_IDX cons = queue->rx.rsp_cons; struct sk_buff *skb = xennet_get_rx_skb(queue, cons); grant_ref_t ref = xennet_get_rx_ref(queue, cons); - int max = MAX_SKB_FRAGS + (rx->status <= RX_COPY_THRESHOLD); + int max = XEN_NETIF_NR_SLOTS_MIN + (rx->status <= RX_COPY_THRESHOLD); int slots = 1; int err = 0; unsigned long ret; diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index effb1309682e..21710a7460c8 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -2208,7 +2208,7 @@ static int nvme_init_subsystem(struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id) * Verify that the subsystem actually supports multiple * controllers, else bail out. */ - if (!ctrl->opts->discovery_nqn && + if (!(ctrl->opts && ctrl->opts->discovery_nqn) && nvme_active_ctrls(found) && !(id->cmic & (1 << 1))) { dev_err(ctrl->device, "ignoring ctrl due to duplicate subnqn (%s).\n", @@ -3197,40 +3197,28 @@ static void nvme_scan_ns_sequential(struct nvme_ctrl *ctrl, unsigned nn) nvme_remove_invalid_namespaces(ctrl, nn); } -static bool nvme_scan_changed_ns_log(struct nvme_ctrl *ctrl) +static void nvme_clear_changed_ns_log(struct nvme_ctrl *ctrl) { size_t log_size = NVME_MAX_CHANGED_NAMESPACES * sizeof(__le32); __le32 *log; - int error, i; - bool ret = false; + int error; log = kzalloc(log_size, GFP_KERNEL); if (!log) - return false; + return; + /* + * We need to read the log to clear the AEN, but we don't want to rely + * on it for the changed namespace information as userspace could have + * raced with us in reading the log page, which could cause us to miss + * updates. + */ error = nvme_get_log(ctrl, NVME_LOG_CHANGED_NS, log, log_size); - if (error) { + if (error) dev_warn(ctrl->device, "reading changed ns log failed: %d\n", error); - goto out_free_log; - } - - if (log[0] == cpu_to_le32(0xffffffff)) - goto out_free_log; - - for (i = 0; i < NVME_MAX_CHANGED_NAMESPACES; i++) { - u32 nsid = le32_to_cpu(log[i]); - if (nsid == 0) - break; - dev_info(ctrl->device, "rescanning namespace %d.\n", nsid); - nvme_validate_ns(ctrl, nsid); - } - ret = true; - -out_free_log: kfree(log); - return ret; } static void nvme_scan_work(struct work_struct *work) @@ -3246,9 +3234,8 @@ static void nvme_scan_work(struct work_struct *work) WARN_ON_ONCE(!ctrl->tagset); if (test_and_clear_bit(NVME_AER_NOTICE_NS_CHANGED, &ctrl->events)) { - if (nvme_scan_changed_ns_log(ctrl)) - goto out_sort_namespaces; dev_info(ctrl->device, "rescanning namespaces.\n"); + nvme_clear_changed_ns_log(ctrl); } if (nvme_identify_ctrl(ctrl, &id)) @@ -3263,7 +3250,6 @@ static void nvme_scan_work(struct work_struct *work) nvme_scan_ns_sequential(ctrl, nn); out_free_id: kfree(id); -out_sort_namespaces: down_write(&ctrl->namespaces_rwsem); list_sort(NULL, &ctrl->namespaces, ns_cmp); up_write(&ctrl->namespaces_rwsem); @@ -3641,16 +3627,6 @@ void nvme_start_queues(struct nvme_ctrl *ctrl) } EXPORT_SYMBOL_GPL(nvme_start_queues); -int nvme_reinit_tagset(struct nvme_ctrl *ctrl, struct blk_mq_tag_set *set) -{ - if (!ctrl->ops->reinit_request) - return 0; - - return blk_mq_tagset_iter(set, set->driver_data, - ctrl->ops->reinit_request); -} -EXPORT_SYMBOL_GPL(nvme_reinit_tagset); - int __init nvme_core_init(void) { int result = -ENOMEM; diff --git a/drivers/nvme/host/fabrics.c b/drivers/nvme/host/fabrics.c index fa32c1216409..903eb4545e26 100644 --- a/drivers/nvme/host/fabrics.c +++ b/drivers/nvme/host/fabrics.c @@ -536,67 +536,55 @@ static struct nvmf_transport_ops *nvmf_lookup_transport( return NULL; } -blk_status_t nvmf_check_if_ready(struct nvme_ctrl *ctrl, struct request *rq, - bool queue_live, bool is_connected) +/* + * For something we're not in a state to send to the device the default action + * is to busy it and retry it after the controller state is recovered. However, + * anything marked for failfast or nvme multipath is immediately failed. + * + * Note: commands used to initialize the controller will be marked for failfast. + * Note: nvme cli/ioctl commands are marked for failfast. + */ +blk_status_t nvmf_fail_nonready_command(struct request *rq) { - struct nvme_command *cmd = nvme_req(rq)->cmd; + if (!blk_noretry_request(rq) && !(rq->cmd_flags & REQ_NVME_MPATH)) + return BLK_STS_RESOURCE; + nvme_req(rq)->status = NVME_SC_ABORT_REQ; + return BLK_STS_IOERR; +} +EXPORT_SYMBOL_GPL(nvmf_fail_nonready_command); - if (likely(ctrl->state == NVME_CTRL_LIVE && is_connected)) - return BLK_STS_OK; +bool __nvmf_check_ready(struct nvme_ctrl *ctrl, struct request *rq, + bool queue_live) +{ + struct nvme_request *req = nvme_req(rq); + + /* + * If we are in some state of setup or teardown only allow + * internally generated commands. + */ + if (!blk_rq_is_passthrough(rq) || (req->flags & NVME_REQ_USERCMD)) + return false; + /* + * Only allow commands on a live queue, except for the connect command, + * which is require to set the queue live in the appropinquate states. + */ switch (ctrl->state) { case NVME_CTRL_NEW: case NVME_CTRL_CONNECTING: - case NVME_CTRL_DELETING: - /* - * This is the case of starting a new or deleting an association - * but connectivity was lost before it was fully created or torn - * down. We need to error the commands used to initialize the - * controller so the reconnect can go into a retry attempt. The - * commands should all be marked REQ_FAILFAST_DRIVER, which will - * hit the reject path below. Anything else will be queued while - * the state settles. - */ - if (!is_connected) - break; - - /* - * If queue is live, allow only commands that are internally - * generated pass through. These are commands on the admin - * queue to initialize the controller. This will reject any - * ioctl admin cmds received while initializing. - */ - if (queue_live && !(nvme_req(rq)->flags & NVME_REQ_USERCMD)) - return BLK_STS_OK; - - /* - * If the queue is not live, allow only a connect command. This - * will reject any ioctl admin cmd as well as initialization - * commands if the controller reverted the queue to non-live. - */ - if (!queue_live && blk_rq_is_passthrough(rq) && - cmd->common.opcode == nvme_fabrics_command && - cmd->fabrics.fctype == nvme_fabrics_type_connect) - return BLK_STS_OK; + if (req->cmd->common.opcode == nvme_fabrics_command && + req->cmd->fabrics.fctype == nvme_fabrics_type_connect) + return true; break; default: break; + case NVME_CTRL_DEAD: + return false; } - /* - * Any other new io is something we're not in a state to send to the - * device. Default action is to busy it and retry it after the - * controller state is recovered. However, anything marked for failfast - * or nvme multipath is immediately failed. Note: commands used to - * initialize the controller will be marked for failfast. - * Note: nvme cli/ioctl commands are marked for failfast. - */ - if (!blk_noretry_request(rq) && !(rq->cmd_flags & REQ_NVME_MPATH)) - return BLK_STS_RESOURCE; - nvme_req(rq)->status = NVME_SC_ABORT_REQ; - return BLK_STS_IOERR; + return queue_live; } -EXPORT_SYMBOL_GPL(nvmf_check_if_ready); +EXPORT_SYMBOL_GPL(__nvmf_check_ready); static const match_table_t opt_tokens = { { NVMF_OPT_TRANSPORT, "transport=%s" }, diff --git a/drivers/nvme/host/fabrics.h b/drivers/nvme/host/fabrics.h index 7491a0bbf711..e1818a27aa2d 100644 --- a/drivers/nvme/host/fabrics.h +++ b/drivers/nvme/host/fabrics.h @@ -162,7 +162,17 @@ void nvmf_unregister_transport(struct nvmf_transport_ops *ops); void nvmf_free_options(struct nvmf_ctrl_options *opts); int nvmf_get_address(struct nvme_ctrl *ctrl, char *buf, int size); bool nvmf_should_reconnect(struct nvme_ctrl *ctrl); -blk_status_t nvmf_check_if_ready(struct nvme_ctrl *ctrl, - struct request *rq, bool queue_live, bool is_connected); +blk_status_t nvmf_fail_nonready_command(struct request *rq); +bool __nvmf_check_ready(struct nvme_ctrl *ctrl, struct request *rq, + bool queue_live); + +static inline bool nvmf_check_ready(struct nvme_ctrl *ctrl, struct request *rq, + bool queue_live) +{ + if (likely(ctrl->state == NVME_CTRL_LIVE || + ctrl->state == NVME_CTRL_ADMIN_ONLY)) + return true; + return __nvmf_check_ready(ctrl, rq, queue_live); +} #endif /* _NVME_FABRICS_H */ diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c index 0bad65803271..b528a2f5826c 100644 --- a/drivers/nvme/host/fc.c +++ b/drivers/nvme/host/fc.c @@ -142,6 +142,7 @@ struct nvme_fc_ctrl { struct nvme_fc_rport *rport; u32 cnum; + bool ioq_live; bool assoc_active; u64 association_id; @@ -1470,21 +1471,6 @@ nvme_fc_xmt_disconnect_assoc(struct nvme_fc_ctrl *ctrl) static void nvme_fc_error_recovery(struct nvme_fc_ctrl *ctrl, char *errmsg); -static int -nvme_fc_reinit_request(void *data, struct request *rq) -{ - struct nvme_fc_fcp_op *op = blk_mq_rq_to_pdu(rq); - struct nvme_fc_cmd_iu *cmdiu = &op->cmd_iu; - - memset(cmdiu, 0, sizeof(*cmdiu)); - cmdiu->scsi_id = NVME_CMD_SCSI_ID; - cmdiu->fc_id = NVME_CMD_FC_ID; - cmdiu->iu_len = cpu_to_be16(sizeof(*cmdiu) / sizeof(u32)); - memset(&op->rsp_iu, 0, sizeof(op->rsp_iu)); - - return 0; -} - static void __nvme_fc_exit_request(struct nvme_fc_ctrl *ctrl, struct nvme_fc_fcp_op *op) @@ -1893,6 +1879,7 @@ nvme_fc_free_queue(struct nvme_fc_queue *queue) */ queue->connection_id = 0; + atomic_set(&queue->csn, 1); } static void @@ -2279,14 +2266,13 @@ nvme_fc_queue_rq(struct blk_mq_hw_ctx *hctx, struct nvme_fc_cmd_iu *cmdiu = &op->cmd_iu; struct nvme_command *sqe = &cmdiu->sqe; enum nvmefc_fcp_datadir io_dir; + bool queue_ready = test_bit(NVME_FC_Q_LIVE, &queue->flags); u32 data_len; blk_status_t ret; - ret = nvmf_check_if_ready(&queue->ctrl->ctrl, rq, - test_bit(NVME_FC_Q_LIVE, &queue->flags), - ctrl->rport->remoteport.port_state == FC_OBJSTATE_ONLINE); - if (unlikely(ret)) - return ret; + if (ctrl->rport->remoteport.port_state != FC_OBJSTATE_ONLINE || + !nvmf_check_ready(&queue->ctrl->ctrl, rq, queue_ready)) + return nvmf_fail_nonready_command(rq); ret = nvme_setup_cmd(ns, rq, sqe); if (ret) @@ -2463,6 +2449,8 @@ nvme_fc_create_io_queues(struct nvme_fc_ctrl *ctrl) if (ret) goto out_delete_hw_queues; + ctrl->ioq_live = true; + return 0; out_delete_hw_queues: @@ -2480,7 +2468,7 @@ out_free_tag_set: } static int -nvme_fc_reinit_io_queues(struct nvme_fc_ctrl *ctrl) +nvme_fc_recreate_io_queues(struct nvme_fc_ctrl *ctrl) { struct nvmf_ctrl_options *opts = ctrl->ctrl.opts; unsigned int nr_io_queues; @@ -2500,12 +2488,6 @@ nvme_fc_reinit_io_queues(struct nvme_fc_ctrl *ctrl) if (ctrl->ctrl.queue_count == 1) return 0; - nvme_fc_init_io_queues(ctrl); - - ret = nvme_reinit_tagset(&ctrl->ctrl, ctrl->ctrl.tagset); - if (ret) - goto out_free_io_queues; - ret = nvme_fc_create_hw_io_queues(ctrl, ctrl->ctrl.sqsize + 1); if (ret) goto out_free_io_queues; @@ -2603,8 +2585,6 @@ nvme_fc_create_association(struct nvme_fc_ctrl *ctrl) * Create the admin queue */ - nvme_fc_init_queue(ctrl, 0); - ret = __nvme_fc_create_hw_queue(ctrl, &ctrl->queues[0], 0, NVME_AQ_DEPTH); if (ret) @@ -2615,8 +2595,7 @@ nvme_fc_create_association(struct nvme_fc_ctrl *ctrl) if (ret) goto out_delete_hw_queue; - if (ctrl->ctrl.state != NVME_CTRL_NEW) - blk_mq_unquiesce_queue(ctrl->ctrl.admin_q); + blk_mq_unquiesce_queue(ctrl->ctrl.admin_q); ret = nvmf_connect_admin_queue(&ctrl->ctrl); if (ret) @@ -2689,10 +2668,10 @@ nvme_fc_create_association(struct nvme_fc_ctrl *ctrl) */ if (ctrl->ctrl.queue_count > 1) { - if (ctrl->ctrl.state == NVME_CTRL_NEW) + if (!ctrl->ioq_live) ret = nvme_fc_create_io_queues(ctrl); else - ret = nvme_fc_reinit_io_queues(ctrl); + ret = nvme_fc_recreate_io_queues(ctrl); if (ret) goto out_term_aen_ops; } @@ -2776,8 +2755,7 @@ nvme_fc_delete_association(struct nvme_fc_ctrl *ctrl) * use blk_mq_tagset_busy_itr() and the transport routine to * terminate the exchanges. */ - if (ctrl->ctrl.state != NVME_CTRL_NEW) - blk_mq_quiesce_queue(ctrl->ctrl.admin_q); + blk_mq_quiesce_queue(ctrl->ctrl.admin_q); blk_mq_tagset_busy_iter(&ctrl->admin_tag_set, nvme_fc_terminate_exchange, &ctrl->ctrl); @@ -2917,7 +2895,6 @@ static const struct nvme_ctrl_ops nvme_fc_ctrl_ops = { .submit_async_event = nvme_fc_submit_async_event, .delete_ctrl = nvme_fc_delete_ctrl, .get_address = nvmf_get_address, - .reinit_request = nvme_fc_reinit_request, }; static void @@ -2934,7 +2911,7 @@ nvme_fc_connect_ctrl_work(struct work_struct *work) nvme_fc_reconnect_or_delete(ctrl, ret); else dev_info(ctrl->ctrl.device, - "NVME-FC{%d}: controller reconnect complete\n", + "NVME-FC{%d}: controller connect complete\n", ctrl->cnum); } @@ -2982,7 +2959,7 @@ nvme_fc_init_ctrl(struct device *dev, struct nvmf_ctrl_options *opts, { struct nvme_fc_ctrl *ctrl; unsigned long flags; - int ret, idx, retry; + int ret, idx; if (!(rport->remoteport.port_role & (FC_PORT_ROLE_NVME_DISCOVERY | FC_PORT_ROLE_NVME_TARGET))) { @@ -3009,11 +2986,13 @@ nvme_fc_init_ctrl(struct device *dev, struct nvmf_ctrl_options *opts, } ctrl->ctrl.opts = opts; + ctrl->ctrl.nr_reconnects = 0; INIT_LIST_HEAD(&ctrl->ctrl_list); ctrl->lport = lport; ctrl->rport = rport; ctrl->dev = lport->dev; ctrl->cnum = idx; + ctrl->ioq_live = false; ctrl->assoc_active = false; init_waitqueue_head(&ctrl->ioabort_wait); @@ -3032,6 +3011,7 @@ nvme_fc_init_ctrl(struct device *dev, struct nvmf_ctrl_options *opts, ctrl->ctrl.sqsize = opts->queue_size - 1; ctrl->ctrl.kato = opts->kato; + ctrl->ctrl.cntlid = 0xffff; ret = -ENOMEM; ctrl->queues = kcalloc(ctrl->ctrl.queue_count, @@ -3039,6 +3019,8 @@ nvme_fc_init_ctrl(struct device *dev, struct nvmf_ctrl_options *opts, if (!ctrl->queues) goto out_free_ida; + nvme_fc_init_queue(ctrl, 0); + memset(&ctrl->admin_tag_set, 0, sizeof(ctrl->admin_tag_set)); ctrl->admin_tag_set.ops = &nvme_fc_admin_mq_ops; ctrl->admin_tag_set.queue_depth = NVME_AQ_MQ_TAG_DEPTH; @@ -3081,62 +3063,24 @@ nvme_fc_init_ctrl(struct device *dev, struct nvmf_ctrl_options *opts, list_add_tail(&ctrl->ctrl_list, &rport->ctrl_list); spin_unlock_irqrestore(&rport->lock, flags); - /* - * It's possible that transactions used to create the association - * may fail. Examples: CreateAssociation LS or CreateIOConnection - * LS gets dropped/corrupted/fails; or a frame gets dropped or a - * command times out for one of the actions to init the controller - * (Connect, Get/Set_Property, Set_Features, etc). Many of these - * transport errors (frame drop, LS failure) inherently must kill - * the association. The transport is coded so that any command used - * to create the association (prior to a LIVE state transition - * while NEW or CONNECTING) will fail if it completes in error or - * times out. - * - * As such: as the connect request was mostly likely due to a - * udev event that discovered the remote port, meaning there is - * not an admin or script there to restart if the connect - * request fails, retry the initial connection creation up to - * three times before giving up and declaring failure. - */ - for (retry = 0; retry < 3; retry++) { - ret = nvme_fc_create_association(ctrl); - if (!ret) - break; - } - - if (ret) { - nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_DELETING); - cancel_work_sync(&ctrl->ctrl.reset_work); - cancel_delayed_work_sync(&ctrl->connect_work); - - /* couldn't schedule retry - fail out */ + if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_RESETTING) || + !nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_CONNECTING)) { dev_err(ctrl->ctrl.device, - "NVME-FC{%d}: Connect retry failed\n", ctrl->cnum); - - ctrl->ctrl.opts = NULL; + "NVME-FC{%d}: failed to init ctrl state\n", ctrl->cnum); + goto fail_ctrl; + } - /* initiate nvme ctrl ref counting teardown */ - nvme_uninit_ctrl(&ctrl->ctrl); + nvme_get_ctrl(&ctrl->ctrl); - /* Remove core ctrl ref. */ + if (!queue_delayed_work(nvme_wq, &ctrl->connect_work, 0)) { nvme_put_ctrl(&ctrl->ctrl); - - /* as we're past the point where we transition to the ref - * counting teardown path, if we return a bad pointer here, - * the calling routine, thinking it's prior to the - * transition, will do an rport put. Since the teardown - * path also does a rport put, we do an extra get here to - * so proper order/teardown happens. - */ - nvme_fc_rport_get(rport); - - if (ret > 0) - ret = -EIO; - return ERR_PTR(ret); + dev_err(ctrl->ctrl.device, + "NVME-FC{%d}: failed to schedule initial connect\n", + ctrl->cnum); + goto fail_ctrl; } - nvme_get_ctrl(&ctrl->ctrl); + flush_delayed_work(&ctrl->connect_work); dev_info(ctrl->ctrl.device, "NVME-FC{%d}: new ctrl: NQN \"%s\"\n", @@ -3144,6 +3088,30 @@ nvme_fc_init_ctrl(struct device *dev, struct nvmf_ctrl_options *opts, return &ctrl->ctrl; +fail_ctrl: + nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_DELETING); + cancel_work_sync(&ctrl->ctrl.reset_work); + cancel_delayed_work_sync(&ctrl->connect_work); + + ctrl->ctrl.opts = NULL; + + /* initiate nvme ctrl ref counting teardown */ + nvme_uninit_ctrl(&ctrl->ctrl); + + /* Remove core ctrl ref. */ + nvme_put_ctrl(&ctrl->ctrl); + + /* as we're past the point where we transition to the ref + * counting teardown path, if we return a bad pointer here, + * the calling routine, thinking it's prior to the + * transition, will do an rport put. Since the teardown + * path also does a rport put, we do an extra get here to + * so proper order/teardown happens. + */ + nvme_fc_rport_get(rport); + + return ERR_PTR(-EIO); + out_cleanup_admin_q: blk_cleanup_queue(ctrl->ctrl.admin_q); out_free_admin_tag_set: diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c index d7b664ae5923..1ffd3e8b13a1 100644 --- a/drivers/nvme/host/multipath.c +++ b/drivers/nvme/host/multipath.c @@ -12,6 +12,7 @@ */ #include <linux/moduleparam.h> +#include <trace/events/block.h> #include "nvme.h" static bool multipath = true; @@ -111,6 +112,9 @@ static blk_qc_t nvme_ns_head_make_request(struct request_queue *q, if (likely(ns)) { bio->bi_disk = ns->disk; bio->bi_opf |= REQ_NVME_MPATH; + trace_block_bio_remap(bio->bi_disk->queue, bio, + disk_devt(ns->head->disk), + bio->bi_iter.bi_sector); ret = direct_make_request(bio); } else if (!list_empty_careful(&head->list)) { dev_warn_ratelimited(dev, "no path available - requeuing I/O\n"); diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index 34df07d44f80..231807cbc849 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -321,7 +321,6 @@ struct nvme_ctrl_ops { void (*submit_async_event)(struct nvme_ctrl *ctrl); void (*delete_ctrl)(struct nvme_ctrl *ctrl); int (*get_address)(struct nvme_ctrl *ctrl, char *buf, int size); - int (*reinit_request)(void *data, struct request *rq); void (*stop_ctrl)(struct nvme_ctrl *ctrl); }; @@ -416,7 +415,6 @@ void nvme_unfreeze(struct nvme_ctrl *ctrl); void nvme_wait_freeze(struct nvme_ctrl *ctrl); void nvme_wait_freeze_timeout(struct nvme_ctrl *ctrl, long timeout); void nvme_start_freeze(struct nvme_ctrl *ctrl); -int nvme_reinit_tagset(struct nvme_ctrl *ctrl, struct blk_mq_tag_set *set); #define NVME_QID_ANY -1 struct request *nvme_alloc_request(struct request_queue *q, diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c index 2aba03876d84..c9424da0d23e 100644 --- a/drivers/nvme/host/rdma.c +++ b/drivers/nvme/host/rdma.c @@ -1189,21 +1189,38 @@ static int nvme_rdma_map_data(struct nvme_rdma_queue *queue, count = ib_dma_map_sg(ibdev, req->sg_table.sgl, req->nents, rq_data_dir(rq) == WRITE ? DMA_TO_DEVICE : DMA_FROM_DEVICE); if (unlikely(count <= 0)) { - sg_free_table_chained(&req->sg_table, true); - return -EIO; + ret = -EIO; + goto out_free_table; } if (count == 1) { if (rq_data_dir(rq) == WRITE && nvme_rdma_queue_idx(queue) && blk_rq_payload_bytes(rq) <= - nvme_rdma_inline_data_size(queue)) - return nvme_rdma_map_sg_inline(queue, req, c); + nvme_rdma_inline_data_size(queue)) { + ret = nvme_rdma_map_sg_inline(queue, req, c); + goto out; + } - if (dev->pd->flags & IB_PD_UNSAFE_GLOBAL_RKEY) - return nvme_rdma_map_sg_single(queue, req, c); + if (dev->pd->flags & IB_PD_UNSAFE_GLOBAL_RKEY) { + ret = nvme_rdma_map_sg_single(queue, req, c); + goto out; + } } - return nvme_rdma_map_sg_fr(queue, req, c, count); + ret = nvme_rdma_map_sg_fr(queue, req, c, count); +out: + if (unlikely(ret)) + goto out_unmap_sg; + + return 0; + +out_unmap_sg: + ib_dma_unmap_sg(ibdev, req->sg_table.sgl, + req->nents, rq_data_dir(rq) == + WRITE ? DMA_TO_DEVICE : DMA_FROM_DEVICE); +out_free_table: + sg_free_table_chained(&req->sg_table, true); + return ret; } static void nvme_rdma_send_done(struct ib_cq *cq, struct ib_wc *wc) @@ -1613,15 +1630,14 @@ static blk_status_t nvme_rdma_queue_rq(struct blk_mq_hw_ctx *hctx, struct nvme_rdma_qe *sqe = &req->sqe; struct nvme_command *c = sqe->data; struct ib_device *dev; + bool queue_ready = test_bit(NVME_RDMA_Q_LIVE, &queue->flags); blk_status_t ret; int err; WARN_ON_ONCE(rq->tag < 0); - ret = nvmf_check_if_ready(&queue->ctrl->ctrl, rq, - test_bit(NVME_RDMA_Q_LIVE, &queue->flags), true); - if (unlikely(ret)) - return ret; + if (!nvmf_check_ready(&queue->ctrl->ctrl, rq, queue_ready)) + return nvmf_fail_nonready_command(rq); dev = queue->device->dev; ib_dma_sync_single_for_cpu(dev, sqe->dma, diff --git a/drivers/nvme/target/admin-cmd.c b/drivers/nvme/target/admin-cmd.c index 962532842769..38803576d5e1 100644 --- a/drivers/nvme/target/admin-cmd.c +++ b/drivers/nvme/target/admin-cmd.c @@ -119,9 +119,11 @@ static void nvmet_execute_get_log_page_smart(struct nvmet_req *req) else status = nvmet_get_smart_log_nsid(req, log); if (status) - goto out; + goto out_free_log; status = nvmet_copy_to_sgl(req, 0, log, sizeof(*log)); +out_free_log: + kfree(log); out: nvmet_req_complete(req, status); } diff --git a/drivers/nvme/target/loop.c b/drivers/nvme/target/loop.c index 1304ec3a7ede..d8d91f04bd7e 100644 --- a/drivers/nvme/target/loop.c +++ b/drivers/nvme/target/loop.c @@ -158,12 +158,11 @@ static blk_status_t nvme_loop_queue_rq(struct blk_mq_hw_ctx *hctx, struct nvme_loop_queue *queue = hctx->driver_data; struct request *req = bd->rq; struct nvme_loop_iod *iod = blk_mq_rq_to_pdu(req); + bool queue_ready = test_bit(NVME_LOOP_Q_LIVE, &queue->flags); blk_status_t ret; - ret = nvmf_check_if_ready(&queue->ctrl->ctrl, req, - test_bit(NVME_LOOP_Q_LIVE, &queue->flags), true); - if (unlikely(ret)) - return ret; + if (!nvmf_check_ready(&queue->ctrl->ctrl, req, queue_ready)) + return nvmf_fail_nonready_command(req); ret = nvme_setup_cmd(ns, req, &iod->cmd); if (ret) diff --git a/drivers/parport/Kconfig b/drivers/parport/Kconfig index 44333bd8f908..a97f4eada60b 100644 --- a/drivers/parport/Kconfig +++ b/drivers/parport/Kconfig @@ -20,7 +20,7 @@ menuconfig PARPORT drive, PLIP link (Parallel Line Internet Protocol is mainly used to create a mini network by connecting the parallel ports of two local machines) etc., then you need to say Y here; please read - <file:Documentation/parport.txt> and + <file:Documentation/admin-guide/parport.rst> and <file:drivers/parport/BUGS-parport>. For extensive information about drivers for many devices attaching @@ -33,7 +33,7 @@ menuconfig PARPORT the module will be called parport. If you have more than one parallel port and want to specify which port and IRQ to be used by this driver at module load time, take a - look at <file:Documentation/parport.txt>. + look at <file:Documentation/admin-guide/parport.rst>. If unsure, say Y. @@ -71,7 +71,7 @@ config PARPORT_PC_FIFO As well as actually having a FIFO, or DMA capability, the kernel will need to know which IRQ the parallel port has. By default, parallel port interrupts will not be used, and so neither will the - FIFO. See <file:Documentation/parport.txt> to find out how to + FIFO. See <file:Documentation/admin-guide/parport.rst> to find out how to specify which IRQ/DMA to use. config PARPORT_PC_SUPERIO diff --git a/drivers/platform/mellanox/mlxreg-hotplug.c b/drivers/platform/mellanox/mlxreg-hotplug.c index 36a41ff506f0..ac97aa020db3 100644 --- a/drivers/platform/mellanox/mlxreg-hotplug.c +++ b/drivers/platform/mellanox/mlxreg-hotplug.c @@ -55,13 +55,16 @@ #define MLXREG_HOTPLUG_RST_CNTR 3 #define MLXREG_HOTPLUG_ATTRS_MAX 24 +#define MLXREG_HOTPLUG_NOT_ASSERT 3 /** * struct mlxreg_hotplug_priv_data - platform private data: * @irq: platform device interrupt number; + * @dev: basic device; * @pdev: platform device; * @plat: platform data; - * @dwork: delayed work template; + * @regmap: register map handle; + * @dwork_irq: delayed work template; * @lock: spin lock; * @hwmon: hwmon device; * @mlxreg_hotplug_attr: sysfs attributes array; @@ -71,6 +74,8 @@ * @cell: location of top aggregation interrupt register; * @mask: top aggregation interrupt common mask; * @aggr_cache: last value of aggregation register status; + * @after_probe: flag indication probing completion; + * @not_asserted: number of entries in workqueue with no signal assertion; */ struct mlxreg_hotplug_priv_data { int irq; @@ -79,7 +84,6 @@ struct mlxreg_hotplug_priv_data { struct mlxreg_hotplug_platform_data *plat; struct regmap *regmap; struct delayed_work dwork_irq; - struct delayed_work dwork; spinlock_t lock; /* sync with interrupt */ struct device *hwmon; struct attribute *mlxreg_hotplug_attr[MLXREG_HOTPLUG_ATTRS_MAX + 1]; @@ -91,6 +95,7 @@ struct mlxreg_hotplug_priv_data { u32 mask; u32 aggr_cache; bool after_probe; + u8 not_asserted; }; static int mlxreg_hotplug_device_create(struct mlxreg_hotplug_priv_data *priv, @@ -409,6 +414,18 @@ static void mlxreg_hotplug_work_handler(struct work_struct *work) aggr_asserted = priv->aggr_cache ^ regval; priv->aggr_cache = regval; + /* + * Handler is invoked, but no assertion is detected at top aggregation + * status level. Set aggr_asserted to mask value to allow handler extra + * run over all relevant signals to recover any missed signal. + */ + if (priv->not_asserted == MLXREG_HOTPLUG_NOT_ASSERT) { + priv->not_asserted = 0; + aggr_asserted = pdata->mask; + } + if (!aggr_asserted) + goto unmask_event; + /* Handle topology and health configuration changes. */ for (i = 0; i < pdata->counter; i++, item++) { if (aggr_asserted & item->aggr_mask) { @@ -419,27 +436,26 @@ static void mlxreg_hotplug_work_handler(struct work_struct *work) } } - if (aggr_asserted) { - spin_lock_irqsave(&priv->lock, flags); + spin_lock_irqsave(&priv->lock, flags); - /* - * It is possible, that some signals have been inserted, while - * interrupt has been masked by mlxreg_hotplug_work_handler. - * In this case such signals will be missed. In order to handle - * these signals delayed work is canceled and work task - * re-scheduled for immediate execution. It allows to handle - * missed signals, if any. In other case work handler just - * validates that no new signals have been received during - * masking. - */ - cancel_delayed_work(&priv->dwork_irq); - schedule_delayed_work(&priv->dwork_irq, 0); + /* + * It is possible, that some signals have been inserted, while + * interrupt has been masked by mlxreg_hotplug_work_handler. In this + * case such signals will be missed. In order to handle these signals + * delayed work is canceled and work task re-scheduled for immediate + * execution. It allows to handle missed signals, if any. In other case + * work handler just validates that no new signals have been received + * during masking. + */ + cancel_delayed_work(&priv->dwork_irq); + schedule_delayed_work(&priv->dwork_irq, 0); - spin_unlock_irqrestore(&priv->lock, flags); + spin_unlock_irqrestore(&priv->lock, flags); - return; - } + return; +unmask_event: + priv->not_asserted++; /* Unmask aggregation event (no need acknowledge). */ ret = regmap_write(priv->regmap, pdata->cell + MLXREG_HOTPLUG_AGGR_MASK_OFF, pdata->mask); diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig index f27cb186437d..ac4d48830415 100644 --- a/drivers/platform/x86/Kconfig +++ b/drivers/platform/x86/Kconfig @@ -1052,7 +1052,7 @@ config SAMSUNG_LAPTOP function keys, wireless LED, LCD backlight level. It may also provide some sysfs files described in - <file:Documentation/ABI/testing/sysfs-platform-samsung-laptop> + <file:Documentation/ABI/testing/sysfs-driver-samsung-laptop> To compile this driver as a module, choose M here: the module will be called samsung-laptop. diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c index 1be71f956d5c..8952173dd380 100644 --- a/drivers/platform/x86/acer-wmi.c +++ b/drivers/platform/x86/acer-wmi.c @@ -129,6 +129,7 @@ static const struct key_entry acer_wmi_keymap[] __initconst = { {KE_IGNORE, 0x83, {KEY_TOUCHPAD_TOGGLE} }, {KE_KEY, 0x85, {KEY_TOUCHPAD_TOGGLE} }, {KE_KEY, 0x86, {KEY_WLAN} }, + {KE_KEY, 0x87, {KEY_POWER} }, {KE_END, 0} }; diff --git a/drivers/platform/x86/apple-gmux.c b/drivers/platform/x86/apple-gmux.c index 7c4eb86c851e..fd2ffebc868f 100644 --- a/drivers/platform/x86/apple-gmux.c +++ b/drivers/platform/x86/apple-gmux.c @@ -495,7 +495,7 @@ static int gmux_set_power_state(enum vga_switcheroo_client_id id, return gmux_set_discrete_state(apple_gmux_data, state); } -static int gmux_get_client_id(struct pci_dev *pdev) +static enum vga_switcheroo_client_id gmux_get_client_id(struct pci_dev *pdev) { /* * Early Macbook Pros with switchable graphics use nvidia diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c index c4768be24ba9..700c48ddfa7c 100644 --- a/drivers/platform/x86/asus-laptop.c +++ b/drivers/platform/x86/asus-laptop.c @@ -1593,8 +1593,7 @@ static umode_t asus_sysfs_is_visible(struct kobject *kobj, int idx) { struct device *dev = container_of(kobj, struct device, kobj); - struct platform_device *pdev = to_platform_device(dev); - struct asus_laptop *asus = platform_get_drvdata(pdev); + struct asus_laptop *asus = dev_get_drvdata(dev); acpi_handle handle = asus->handle; bool supported; diff --git a/drivers/platform/x86/asus-wireless.c b/drivers/platform/x86/asus-wireless.c index f086469ea740..6afd011de9e5 100644 --- a/drivers/platform/x86/asus-wireless.c +++ b/drivers/platform/x86/asus-wireless.c @@ -72,7 +72,7 @@ static u64 asus_wireless_method(acpi_handle handle, const char *method, acpi_handle_err(handle, "Failed to eval method %s, param %#x (%d)\n", method, param, s); - acpi_handle_debug(handle, "%s returned %#x\n", method, (uint) ret); + acpi_handle_debug(handle, "%s returned %#llx\n", method, ret); return ret; } diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c index ffffb9909ae1..3d523ca64694 100644 --- a/drivers/platform/x86/asus-wmi.c +++ b/drivers/platform/x86/asus-wmi.c @@ -1875,8 +1875,7 @@ static umode_t asus_sysfs_is_visible(struct kobject *kobj, struct attribute *attr, int idx) { struct device *dev = container_of(kobj, struct device, kobj); - struct platform_device *pdev = to_platform_device(dev); - struct asus_wmi *asus = platform_get_drvdata(pdev); + struct asus_wmi *asus = dev_get_drvdata(dev); bool ok = true; int devid = -1; diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c index c52c6723374b..f1fa8612db40 100644 --- a/drivers/platform/x86/dell-laptop.c +++ b/drivers/platform/x86/dell-laptop.c @@ -38,6 +38,7 @@ struct quirk_entry { bool touchpad_led; bool kbd_led_levels_off_1; + bool kbd_missing_ac_tag; bool needs_kbd_timeouts; /* @@ -68,6 +69,10 @@ static struct quirk_entry quirk_dell_xps13_9333 = { .kbd_timeouts = { 0, 5, 15, 60, 5 * 60, 15 * 60, -1 }, }; +static struct quirk_entry quirk_dell_xps13_9370 = { + .kbd_missing_ac_tag = true, +}; + static struct quirk_entry quirk_dell_latitude_e6410 = { .kbd_led_levels_off_1 = true, }; @@ -293,6 +298,15 @@ static const struct dmi_system_id dell_quirks[] __initconst = { }, { .callback = dmi_matched, + .ident = "Dell XPS 13 9370", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9370"), + }, + .driver_data = &quirk_dell_xps13_9370, + }, + { + .callback = dmi_matched, .ident = "Dell Latitude E6410", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), @@ -1401,7 +1415,8 @@ static inline int kbd_init_info(void) * timeout value which is shared for both battery and AC power * settings. So do not try to set AC values on old models. */ - if (dell_smbios_find_token(KBD_LED_AC_TOKEN)) + if ((quirks && quirks->kbd_missing_ac_tag) || + dell_smbios_find_token(KBD_LED_AC_TOKEN)) kbd_timeout_ac_supported = true; kbd_get_state(&state); diff --git a/drivers/platform/x86/dell-smbios-base.c b/drivers/platform/x86/dell-smbios-base.c index 33fb2a20458a..9dc282ed5a9e 100644 --- a/drivers/platform/x86/dell-smbios-base.c +++ b/drivers/platform/x86/dell-smbios-base.c @@ -555,11 +555,10 @@ static void free_group(struct platform_device *pdev) static int __init dell_smbios_init(void) { - const struct dmi_device *valid; int ret, wmi, smm; - valid = dmi_find_device(DMI_DEV_TYPE_OEM_STRING, "Dell System", NULL); - if (!valid) { + if (!dmi_find_device(DMI_DEV_TYPE_OEM_STRING, "Dell System", NULL) && + !dmi_find_device(DMI_DEV_TYPE_OEM_STRING, "www.dell.com", NULL)) { pr_err("Unable to run on non-Dell system\n"); return -ENODEV; } diff --git a/drivers/platform/x86/dell-wmi.c b/drivers/platform/x86/dell-wmi.c index 8d102195a392..16c7f3d9a335 100644 --- a/drivers/platform/x86/dell-wmi.c +++ b/drivers/platform/x86/dell-wmi.c @@ -233,7 +233,7 @@ static const u16 bios_to_linux_keycode[256] = { [18] = KEY_PROG1, [19] = KEY_BRIGHTNESSDOWN, [20] = KEY_BRIGHTNESSUP, - [21] = KEY_UNKNOWN, + [21] = KEY_BRIGHTNESS_AUTO, [22] = KEY_KBDILLUMTOGGLE, [23] = KEY_UNKNOWN, [24] = KEY_SWITCHVIDEOMODE, @@ -261,6 +261,12 @@ static const u16 bios_to_linux_keycode[256] = { * override them. */ static const struct key_entry dell_wmi_keymap_type_0010[] = { + /* Fn-lock switched to function keys */ + { KE_IGNORE, 0x0, { KEY_RESERVED } }, + + /* Fn-lock switched to multimedia keys */ + { KE_IGNORE, 0x1, { KEY_RESERVED } }, + /* Mic mute */ { KE_KEY, 0x150, { KEY_MICMUTE } }, @@ -296,6 +302,14 @@ static const struct key_entry dell_wmi_keymap_type_0010[] = { { KE_KEY, 0x851, { KEY_PROG2 } }, { KE_KEY, 0x852, { KEY_PROG3 } }, + /* + * Radio disable (notify only -- there is no model for which the + * WMI event is supposed to trigger an action). + */ + { KE_IGNORE, 0xe008, { KEY_RFKILL } }, + + /* Fn-lock */ + { KE_IGNORE, 0xe035, { KEY_RESERVED } }, }; /* diff --git a/drivers/platform/x86/fujitsu-laptop.c b/drivers/platform/x86/fujitsu-laptop.c index cd95b6f3a064..6afeaece2f50 100644 --- a/drivers/platform/x86/fujitsu-laptop.c +++ b/drivers/platform/x86/fujitsu-laptop.c @@ -91,6 +91,9 @@ #define FLAG_RFKILL BIT(5) #define FLAG_LID BIT(8) #define FLAG_DOCK BIT(9) +#define FLAG_TOUCHPAD_TOGGLE BIT(26) +#define FLAG_MICMUTE BIT(29) +#define FLAG_SOFTKEYS (FLAG_RFKILL | FLAG_TOUCHPAD_TOGGLE | FLAG_MICMUTE) /* FUNC interface - LED control */ #define FUNC_LED_OFF BIT(0) @@ -456,14 +459,15 @@ static void acpi_fujitsu_bl_notify(struct acpi_device *device, u32 event) /* ACPI device for hotkey handling */ static const struct key_entry keymap_default[] = { - { KE_KEY, KEY1_CODE, { KEY_PROG1 } }, - { KE_KEY, KEY2_CODE, { KEY_PROG2 } }, - { KE_KEY, KEY3_CODE, { KEY_PROG3 } }, - { KE_KEY, KEY4_CODE, { KEY_PROG4 } }, - { KE_KEY, KEY5_CODE, { KEY_RFKILL } }, - { KE_KEY, BIT(5), { KEY_RFKILL } }, - { KE_KEY, BIT(26), { KEY_TOUCHPAD_TOGGLE } }, - { KE_KEY, BIT(29), { KEY_MICMUTE } }, + { KE_KEY, KEY1_CODE, { KEY_PROG1 } }, + { KE_KEY, KEY2_CODE, { KEY_PROG2 } }, + { KE_KEY, KEY3_CODE, { KEY_PROG3 } }, + { KE_KEY, KEY4_CODE, { KEY_PROG4 } }, + { KE_KEY, KEY5_CODE, { KEY_RFKILL } }, + /* Soft keys read from status flags */ + { KE_KEY, FLAG_RFKILL, { KEY_RFKILL } }, + { KE_KEY, FLAG_TOUCHPAD_TOGGLE, { KEY_TOUCHPAD_TOGGLE } }, + { KE_KEY, FLAG_MICMUTE, { KEY_MICMUTE } }, { KE_END, 0 } }; @@ -903,7 +907,8 @@ static void acpi_fujitsu_laptop_release(struct acpi_device *device) static void acpi_fujitsu_laptop_notify(struct acpi_device *device, u32 event) { struct fujitsu_laptop *priv = acpi_driver_data(device); - int scancode, i = 0, ret; + unsigned long flags; + int scancode, i = 0; unsigned int irb; if (event != ACPI_FUJITSU_NOTIFY_CODE) { @@ -930,21 +935,17 @@ static void acpi_fujitsu_laptop_notify(struct acpi_device *device, u32 event) "Unknown GIRB result [%x]\n", irb); } - /* On some models (first seen on the Skylake-based Lifebook - * E736/E746/E756), the touchpad toggle hotkey (Fn+F4) is - * handled in software; its state is queried using FUNC_FLAGS + /* + * First seen on the Skylake-based Lifebook E736/E746/E756), the + * touchpad toggle hotkey (Fn+F4) is handled in software. Other models + * have since added additional "soft keys". These are reported in the + * status flags queried using FUNC_FLAGS. */ - if (priv->flags_supported & (BIT(5) | BIT(26) | BIT(29))) { - ret = call_fext_func(device, FUNC_FLAGS, 0x1, 0x0, 0x0); - if (ret & BIT(5)) - sparse_keymap_report_event(priv->input, - BIT(5), 1, true); - if (ret & BIT(26)) - sparse_keymap_report_event(priv->input, - BIT(26), 1, true); - if (ret & BIT(29)) - sparse_keymap_report_event(priv->input, - BIT(29), 1, true); + if (priv->flags_supported & (FLAG_SOFTKEYS)) { + flags = call_fext_func(device, FUNC_FLAGS, 0x1, 0x0, 0x0); + flags &= (FLAG_SOFTKEYS); + for_each_set_bit(i, &flags, BITS_PER_LONG) + sparse_keymap_report_event(priv->input, BIT(i), 1, true); } } diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c index 535199c9e6bc..45b7cb01f410 100644 --- a/drivers/platform/x86/ideapad-laptop.c +++ b/drivers/platform/x86/ideapad-laptop.c @@ -43,6 +43,7 @@ #define IDEAPAD_RFKILL_DEV_NUM (3) #define BM_CONSERVATION_BIT (5) +#define HA_FNLOCK_BIT (10) #define CFG_BT_BIT (16) #define CFG_3G_BIT (17) @@ -59,6 +60,8 @@ static const char *const ideapad_wmi_fnesc_events[] = { enum { BMCMD_CONSERVATION_ON = 3, BMCMD_CONSERVATION_OFF = 5, + HACMD_FNLOCK_ON = 0xe, + HACMD_FNLOCK_OFF = 0xf, }; enum { @@ -139,11 +142,11 @@ static int method_gbmd(acpi_handle handle, unsigned long *ret) return result; } -static int method_sbmc(acpi_handle handle, int cmd) +static int method_int1(acpi_handle handle, char *method, int cmd) { acpi_status status; - status = acpi_execute_simple_method(handle, "SBMC", cmd); + status = acpi_execute_simple_method(handle, method, cmd); return ACPI_FAILURE(status) ? -1 : 0; } @@ -487,7 +490,7 @@ static ssize_t conservation_mode_store(struct device *dev, if (ret) return ret; - ret = method_sbmc(priv->adev->handle, state ? + ret = method_int1(priv->adev->handle, "SBMC", state ? BMCMD_CONSERVATION_ON : BMCMD_CONSERVATION_OFF); if (ret < 0) @@ -497,11 +500,51 @@ static ssize_t conservation_mode_store(struct device *dev, static DEVICE_ATTR_RW(conservation_mode); +static ssize_t fn_lock_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct ideapad_private *priv = dev_get_drvdata(dev); + unsigned long result; + int hals; + int fail = read_method_int(priv->adev->handle, "HALS", &hals); + + if (fail) + return sprintf(buf, "-1\n"); + + result = hals; + return sprintf(buf, "%u\n", test_bit(HA_FNLOCK_BIT, &result)); +} + +static ssize_t fn_lock_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct ideapad_private *priv = dev_get_drvdata(dev); + bool state; + int ret; + + ret = kstrtobool(buf, &state); + if (ret) + return ret; + + ret = method_int1(priv->adev->handle, "SALS", state ? + HACMD_FNLOCK_ON : + HACMD_FNLOCK_OFF); + if (ret < 0) + return -EIO; + return count; +} + +static DEVICE_ATTR_RW(fn_lock); + + static struct attribute *ideapad_attributes[] = { &dev_attr_camera_power.attr, &dev_attr_fan_mode.attr, &dev_attr_touchpad.attr, &dev_attr_conservation_mode.attr, + &dev_attr_fn_lock.attr, NULL }; @@ -522,6 +565,9 @@ static umode_t ideapad_is_visible(struct kobject *kobj, } else if (attr == &dev_attr_conservation_mode.attr) { supported = acpi_has_method(priv->adev->handle, "GBMD") && acpi_has_method(priv->adev->handle, "SBMC"); + } else if (attr == &dev_attr_fn_lock.attr) { + supported = acpi_has_method(priv->adev->handle, "HALS") && + acpi_has_method(priv->adev->handle, "SALS"); } else supported = true; @@ -1080,6 +1126,13 @@ static const struct dmi_system_id no_hw_rfkill_list[] = { }, }, { + .ident = "Lenovo ideapad MIIX 720-12IKB", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_VERSION, "MIIX 720-12IKB"), + }, + }, + { .ident = "Lenovo Legion Y520-15IKBN", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), @@ -1163,6 +1216,13 @@ static const struct dmi_system_id no_hw_rfkill_list[] = { DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo YOGA 920-13IKB"), }, }, + { + .ident = "Lenovo Zhaoyang E42-80", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_VERSION, "ZHAOYANG E42-80"), + }, + }, {} }; diff --git a/drivers/platform/x86/intel_scu_ipc.c b/drivers/platform/x86/intel_scu_ipc.c index 2c85f75e32b0..75c8fef7a482 100644 --- a/drivers/platform/x86/intel_scu_ipc.c +++ b/drivers/platform/x86/intel_scu_ipc.c @@ -584,11 +584,11 @@ int intel_scu_ipc_i2c_cntrl(u32 addr, u32 *data) if (cmd == IPC_I2C_READ) { writel(addr, scu->i2c_base + IPC_I2C_CNTRL_ADDR); /* Write not getting updated without delay */ - mdelay(1); + usleep_range(1000, 2000); *data = readl(scu->i2c_base + I2C_DATA_ADDR); } else if (cmd == IPC_I2C_WRITE) { writel(*data, scu->i2c_base + I2C_DATA_ADDR); - mdelay(1); + usleep_range(1000, 2000); writel(addr, scu->i2c_base + IPC_I2C_CNTRL_ADDR); } else { dev_err(scu->dev, diff --git a/drivers/platform/x86/mlx-platform.c b/drivers/platform/x86/mlx-platform.c index 7a0bd24c1ae2..a0fd9aa6d932 100644 --- a/drivers/platform/x86/mlx-platform.c +++ b/drivers/platform/x86/mlx-platform.c @@ -47,6 +47,11 @@ /* LPC bus IO offsets */ #define MLXPLAT_CPLD_LPC_I2C_BASE_ADRR 0x2000 #define MLXPLAT_CPLD_LPC_REG_BASE_ADRR 0x2500 +#define MLXPLAT_CPLD_LPC_REG_LED1_OFFSET 0x20 +#define MLXPLAT_CPLD_LPC_REG_LED2_OFFSET 0x21 +#define MLXPLAT_CPLD_LPC_REG_LED3_OFFSET 0x22 +#define MLXPLAT_CPLD_LPC_REG_LED4_OFFSET 0x23 +#define MLXPLAT_CPLD_LPC_REG_LED5_OFFSET 0x24 #define MLXPLAT_CPLD_LPC_REG_AGGR_OFFSET 0x3a #define MLXPLAT_CPLD_LPC_REG_AGGR_MASK_OFFSET 0x3b #define MLXPLAT_CPLD_LPC_REG_AGGRLO_OFFSET 0x40 @@ -84,6 +89,8 @@ #define MLXPLAT_CPLD_PWR_MASK GENMASK(1, 0) #define MLXPLAT_CPLD_FAN_MASK GENMASK(3, 0) #define MLXPLAT_CPLD_FAN_NG_MASK GENMASK(5, 0) +#define MLXPLAT_CPLD_LED_LO_NIBBLE_MASK GENMASK(7, 4) +#define MLXPLAT_CPLD_LED_HI_NIBBLE_MASK GENMASK(3, 0) /* Default I2C parent bus number */ #define MLXPLAT_CPLD_PHYS_ADAPTER_DEF_NR 1 @@ -114,11 +121,13 @@ * @pdev_i2c - i2c controller platform device * @pdev_mux - array of mux platform devices * @pdev_hotplug - hotplug platform devices + * @pdev_led - led platform devices */ struct mlxplat_priv { struct platform_device *pdev_i2c; struct platform_device *pdev_mux[MLXPLAT_CPLD_LPC_MUX_DEVS]; struct platform_device *pdev_hotplug; + struct platform_device *pdev_led; }; /* Regions for LPC I2C controller and LPC base register space */ @@ -592,9 +601,227 @@ struct mlxreg_core_hotplug_platform_data mlxplat_mlxcpld_default_ng_data = { .mask_low = MLXPLAT_CPLD_LOW_AGGR_MASK_LOW, }; +/* Platform led default data */ +static struct mlxreg_core_data mlxplat_mlxcpld_default_led_data[] = { + { + .label = "status:green", + .reg = MLXPLAT_CPLD_LPC_REG_LED1_OFFSET, + .mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK, + }, + { + .label = "status:red", + .reg = MLXPLAT_CPLD_LPC_REG_LED1_OFFSET, + .mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK + }, + { + .label = "psu:green", + .reg = MLXPLAT_CPLD_LPC_REG_LED1_OFFSET, + .mask = MLXPLAT_CPLD_LED_HI_NIBBLE_MASK, + }, + { + .label = "psu:red", + .reg = MLXPLAT_CPLD_LPC_REG_LED1_OFFSET, + .mask = MLXPLAT_CPLD_LED_HI_NIBBLE_MASK, + }, + { + .label = "fan1:green", + .reg = MLXPLAT_CPLD_LPC_REG_LED2_OFFSET, + .mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK, + }, + { + .label = "fan1:red", + .reg = MLXPLAT_CPLD_LPC_REG_LED2_OFFSET, + .mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK, + }, + { + .label = "fan2:green", + .reg = MLXPLAT_CPLD_LPC_REG_LED2_OFFSET, + .mask = MLXPLAT_CPLD_LED_HI_NIBBLE_MASK, + }, + { + .label = "fan2:red", + .reg = MLXPLAT_CPLD_LPC_REG_LED2_OFFSET, + .mask = MLXPLAT_CPLD_LED_HI_NIBBLE_MASK, + }, + { + .label = "fan3:green", + .reg = MLXPLAT_CPLD_LPC_REG_LED3_OFFSET, + .mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK, + }, + { + .label = "fan3:red", + .reg = MLXPLAT_CPLD_LPC_REG_LED3_OFFSET, + .mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK, + }, + { + .label = "fan4:green", + .reg = MLXPLAT_CPLD_LPC_REG_LED3_OFFSET, + .mask = MLXPLAT_CPLD_LED_HI_NIBBLE_MASK, + }, + { + .label = "fan4:red", + .reg = MLXPLAT_CPLD_LPC_REG_LED3_OFFSET, + .mask = MLXPLAT_CPLD_LED_HI_NIBBLE_MASK, + }, +}; + +static struct mlxreg_core_platform_data mlxplat_default_led_data = { + .data = mlxplat_mlxcpld_default_led_data, + .counter = ARRAY_SIZE(mlxplat_mlxcpld_default_led_data), +}; + +/* Platform led MSN21xx system family data */ +static struct mlxreg_core_data mlxplat_mlxcpld_msn21xx_led_data[] = { + { + .label = "status:green", + .reg = MLXPLAT_CPLD_LPC_REG_LED1_OFFSET, + .mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK, + }, + { + .label = "status:red", + .reg = MLXPLAT_CPLD_LPC_REG_LED1_OFFSET, + .mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK + }, + { + .label = "fan:green", + .reg = MLXPLAT_CPLD_LPC_REG_LED2_OFFSET, + .mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK, + }, + { + .label = "fan:red", + .reg = MLXPLAT_CPLD_LPC_REG_LED2_OFFSET, + .mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK, + }, + { + .label = "psu1:green", + .reg = MLXPLAT_CPLD_LPC_REG_LED4_OFFSET, + .mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK, + }, + { + .label = "psu1:red", + .reg = MLXPLAT_CPLD_LPC_REG_LED4_OFFSET, + .mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK, + }, + { + .label = "psu2:green", + .reg = MLXPLAT_CPLD_LPC_REG_LED4_OFFSET, + .mask = MLXPLAT_CPLD_LED_HI_NIBBLE_MASK, + }, + { + .label = "psu2:red", + .reg = MLXPLAT_CPLD_LPC_REG_LED4_OFFSET, + .mask = MLXPLAT_CPLD_LED_HI_NIBBLE_MASK, + }, + { + .label = "uid:blue", + .reg = MLXPLAT_CPLD_LPC_REG_LED5_OFFSET, + .mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK, + }, +}; + +static struct mlxreg_core_platform_data mlxplat_msn21xx_led_data = { + .data = mlxplat_mlxcpld_msn21xx_led_data, + .counter = ARRAY_SIZE(mlxplat_mlxcpld_msn21xx_led_data), +}; + +/* Platform led for default data for 200GbE systems */ +static struct mlxreg_core_data mlxplat_mlxcpld_default_ng_led_data[] = { + { + .label = "status:green", + .reg = MLXPLAT_CPLD_LPC_REG_LED1_OFFSET, + .mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK, + }, + { + .label = "status:orange", + .reg = MLXPLAT_CPLD_LPC_REG_LED1_OFFSET, + .mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK + }, + { + .label = "psu:green", + .reg = MLXPLAT_CPLD_LPC_REG_LED1_OFFSET, + .mask = MLXPLAT_CPLD_LED_HI_NIBBLE_MASK, + }, + { + .label = "psu:orange", + .reg = MLXPLAT_CPLD_LPC_REG_LED1_OFFSET, + .mask = MLXPLAT_CPLD_LED_HI_NIBBLE_MASK, + }, + { + .label = "fan1:green", + .reg = MLXPLAT_CPLD_LPC_REG_LED2_OFFSET, + .mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK, + }, + { + .label = "fan1:orange", + .reg = MLXPLAT_CPLD_LPC_REG_LED2_OFFSET, + .mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK, + }, + { + .label = "fan2:green", + .reg = MLXPLAT_CPLD_LPC_REG_LED2_OFFSET, + .mask = MLXPLAT_CPLD_LED_HI_NIBBLE_MASK, + }, + { + .label = "fan2:orange", + .reg = MLXPLAT_CPLD_LPC_REG_LED2_OFFSET, + .mask = MLXPLAT_CPLD_LED_HI_NIBBLE_MASK, + }, + { + .label = "fan3:green", + .reg = MLXPLAT_CPLD_LPC_REG_LED3_OFFSET, + .mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK, + }, + { + .label = "fan3:orange", + .reg = MLXPLAT_CPLD_LPC_REG_LED3_OFFSET, + .mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK, + }, + { + .label = "fan4:green", + .reg = MLXPLAT_CPLD_LPC_REG_LED3_OFFSET, + .mask = MLXPLAT_CPLD_LED_HI_NIBBLE_MASK, + }, + { + .label = "fan4:orange", + .reg = MLXPLAT_CPLD_LPC_REG_LED3_OFFSET, + .mask = MLXPLAT_CPLD_LED_HI_NIBBLE_MASK, + }, + { + .label = "fan5:green", + .reg = MLXPLAT_CPLD_LPC_REG_LED4_OFFSET, + .mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK, + }, + { + .label = "fan5:orange", + .reg = MLXPLAT_CPLD_LPC_REG_LED4_OFFSET, + .mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK, + }, + { + .label = "fan6:green", + .reg = MLXPLAT_CPLD_LPC_REG_LED4_OFFSET, + .mask = MLXPLAT_CPLD_LED_HI_NIBBLE_MASK, + }, + { + .label = "fan6:orange", + .reg = MLXPLAT_CPLD_LPC_REG_LED4_OFFSET, + .mask = MLXPLAT_CPLD_LED_HI_NIBBLE_MASK, + }, +}; + +static struct mlxreg_core_platform_data mlxplat_default_ng_led_data = { + .data = mlxplat_mlxcpld_default_ng_led_data, + .counter = ARRAY_SIZE(mlxplat_mlxcpld_default_ng_led_data), +}; + + static bool mlxplat_mlxcpld_writeable_reg(struct device *dev, unsigned int reg) { switch (reg) { + case MLXPLAT_CPLD_LPC_REG_LED1_OFFSET: + case MLXPLAT_CPLD_LPC_REG_LED2_OFFSET: + case MLXPLAT_CPLD_LPC_REG_LED3_OFFSET: + case MLXPLAT_CPLD_LPC_REG_LED4_OFFSET: + case MLXPLAT_CPLD_LPC_REG_LED5_OFFSET: case MLXPLAT_CPLD_LPC_REG_AGGR_MASK_OFFSET: case MLXPLAT_CPLD_LPC_REG_AGGRLO_MASK_OFFSET: case MLXPLAT_CPLD_LPC_REG_PSU_EVENT_OFFSET: @@ -611,6 +838,11 @@ static bool mlxplat_mlxcpld_writeable_reg(struct device *dev, unsigned int reg) static bool mlxplat_mlxcpld_readable_reg(struct device *dev, unsigned int reg) { switch (reg) { + case MLXPLAT_CPLD_LPC_REG_LED1_OFFSET: + case MLXPLAT_CPLD_LPC_REG_LED2_OFFSET: + case MLXPLAT_CPLD_LPC_REG_LED3_OFFSET: + case MLXPLAT_CPLD_LPC_REG_LED4_OFFSET: + case MLXPLAT_CPLD_LPC_REG_LED5_OFFSET: case MLXPLAT_CPLD_LPC_REG_AGGR_OFFSET: case MLXPLAT_CPLD_LPC_REG_AGGR_MASK_OFFSET: case MLXPLAT_CPLD_LPC_REG_AGGRLO_OFFSET: @@ -632,6 +864,11 @@ static bool mlxplat_mlxcpld_readable_reg(struct device *dev, unsigned int reg) static bool mlxplat_mlxcpld_volatile_reg(struct device *dev, unsigned int reg) { switch (reg) { + case MLXPLAT_CPLD_LPC_REG_LED1_OFFSET: + case MLXPLAT_CPLD_LPC_REG_LED2_OFFSET: + case MLXPLAT_CPLD_LPC_REG_LED3_OFFSET: + case MLXPLAT_CPLD_LPC_REG_LED4_OFFSET: + case MLXPLAT_CPLD_LPC_REG_LED5_OFFSET: case MLXPLAT_CPLD_LPC_REG_AGGR_OFFSET: case MLXPLAT_CPLD_LPC_REG_AGGR_MASK_OFFSET: case MLXPLAT_CPLD_LPC_REG_AGGRLO_OFFSET: @@ -692,6 +929,7 @@ static struct resource mlxplat_mlxcpld_resources[] = { static struct platform_device *mlxplat_dev; static struct mlxreg_core_hotplug_platform_data *mlxplat_hotplug; +static struct mlxreg_core_platform_data *mlxplat_led; static int __init mlxplat_dmi_default_matched(const struct dmi_system_id *dmi) { @@ -705,6 +943,7 @@ static int __init mlxplat_dmi_default_matched(const struct dmi_system_id *dmi) mlxplat_hotplug = &mlxplat_mlxcpld_default_data; mlxplat_hotplug->deferred_nr = mlxplat_default_channels[i - 1][MLXPLAT_CPLD_GRP_CHNL_NUM - 1]; + mlxplat_led = &mlxplat_default_led_data; return 1; }; @@ -721,6 +960,7 @@ static int __init mlxplat_dmi_msn21xx_matched(const struct dmi_system_id *dmi) mlxplat_hotplug = &mlxplat_mlxcpld_msn21xx_data; mlxplat_hotplug->deferred_nr = mlxplat_msn21xx_channels[MLXPLAT_CPLD_GRP_CHNL_NUM - 1]; + mlxplat_led = &mlxplat_msn21xx_led_data; return 1; }; @@ -737,6 +977,7 @@ static int __init mlxplat_dmi_msn274x_matched(const struct dmi_system_id *dmi) mlxplat_hotplug = &mlxplat_mlxcpld_msn274x_data; mlxplat_hotplug->deferred_nr = mlxplat_msn21xx_channels[MLXPLAT_CPLD_GRP_CHNL_NUM - 1]; + mlxplat_led = &mlxplat_default_led_data; return 1; }; @@ -753,6 +994,7 @@ static int __init mlxplat_dmi_msn201x_matched(const struct dmi_system_id *dmi) mlxplat_hotplug = &mlxplat_mlxcpld_msn201x_data; mlxplat_hotplug->deferred_nr = mlxplat_default_channels[i - 1][MLXPLAT_CPLD_GRP_CHNL_NUM - 1]; + mlxplat_led = &mlxplat_default_ng_led_data; return 1; }; @@ -769,6 +1011,7 @@ static int __init mlxplat_dmi_qmb7xx_matched(const struct dmi_system_id *dmi) mlxplat_hotplug = &mlxplat_mlxcpld_default_ng_data; mlxplat_hotplug->deferred_nr = mlxplat_msn21xx_channels[MLXPLAT_CPLD_GRP_CHNL_NUM - 1]; + mlxplat_led = &mlxplat_msn21xx_led_data; return 1; }; @@ -844,6 +1087,36 @@ static const struct dmi_system_id mlxplat_dmi_table[] __initconst = { DMI_MATCH(DMI_PRODUCT_NAME, "SN34"), }, }, + { + .callback = mlxplat_dmi_default_matched, + .matches = { + DMI_MATCH(DMI_BOARD_NAME, "VMOD0001"), + }, + }, + { + .callback = mlxplat_dmi_msn21xx_matched, + .matches = { + DMI_MATCH(DMI_BOARD_NAME, "VMOD0002"), + }, + }, + { + .callback = mlxplat_dmi_msn274x_matched, + .matches = { + DMI_MATCH(DMI_BOARD_NAME, "VMOD0003"), + }, + }, + { + .callback = mlxplat_dmi_msn201x_matched, + .matches = { + DMI_MATCH(DMI_BOARD_NAME, "VMOD0004"), + }, + }, + { + .callback = mlxplat_dmi_qmb7xx_matched, + .matches = { + DMI_MATCH(DMI_BOARD_NAME, "VMOD0005"), + }, + }, { } }; @@ -960,14 +1233,27 @@ static int __init mlxplat_init(void) goto fail_platform_mux_register; } + /* Add LED driver. */ + mlxplat_led->regmap = mlxplat_hotplug->regmap; + priv->pdev_led = platform_device_register_resndata( + &mlxplat_dev->dev, "leds-mlxreg", + PLATFORM_DEVID_NONE, NULL, 0, + mlxplat_led, sizeof(*mlxplat_led)); + if (IS_ERR(priv->pdev_led)) { + err = PTR_ERR(priv->pdev_led); + goto fail_platform_hotplug_register; + } + /* Sync registers with hardware. */ regcache_mark_dirty(mlxplat_hotplug->regmap); err = regcache_sync(mlxplat_hotplug->regmap); if (err) - goto fail_platform_hotplug_register; + goto fail_platform_led_register; return 0; +fail_platform_led_register: + platform_device_unregister(priv->pdev_led); fail_platform_hotplug_register: platform_device_unregister(priv->pdev_hotplug); fail_platform_mux_register: @@ -986,6 +1272,7 @@ static void __exit mlxplat_exit(void) struct mlxplat_priv *priv = platform_get_drvdata(mlxplat_dev); int i; + platform_device_unregister(priv->pdev_led); platform_device_unregister(priv->pdev_hotplug); for (i = ARRAY_SIZE(mlxplat_mux_data) - 1; i >= 0 ; i--) diff --git a/drivers/platform/x86/samsung-laptop.c b/drivers/platform/x86/samsung-laptop.c index 03305e0b89ff..7b160ee98115 100644 --- a/drivers/platform/x86/samsung-laptop.c +++ b/drivers/platform/x86/samsung-laptop.c @@ -1216,8 +1216,7 @@ static umode_t samsung_sysfs_is_visible(struct kobject *kobj, struct attribute *attr, int idx) { struct device *dev = container_of(kobj, struct device, kobj); - struct platform_device *pdev = to_platform_device(dev); - struct samsung_laptop *samsung = platform_get_drvdata(pdev); + struct samsung_laptop *samsung = dev_get_drvdata(dev); bool ok = true; if (attr == &dev_attr_performance_level.attr) diff --git a/drivers/platform/x86/silead_dmi.c b/drivers/platform/x86/silead_dmi.c index 452aacabaa8e..853a7ce4601c 100644 --- a/drivers/platform/x86/silead_dmi.c +++ b/drivers/platform/x86/silead_dmi.c @@ -53,6 +53,20 @@ static const struct silead_ts_dmi_data jumper_ezpad_mini3_data = { .properties = jumper_ezpad_mini3_props, }; +static const struct property_entry jumper_ezpad_6_pro_props[] = { + PROPERTY_ENTRY_U32("touchscreen-size-x", 1980), + PROPERTY_ENTRY_U32("touchscreen-size-y", 1500), + PROPERTY_ENTRY_STRING("firmware-name", "gsl3692-jumper-ezpad-6-pro.fw"), + PROPERTY_ENTRY_U32("silead,max-fingers", 10), + PROPERTY_ENTRY_BOOL("silead,home-button"), + { } +}; + +static const struct silead_ts_dmi_data jumper_ezpad_6_pro_data = { + .acpi_name = "MSSL1680:00", + .properties = jumper_ezpad_6_pro_props, +}; + static const struct property_entry dexp_ursus_7w_props[] = { PROPERTY_ENTRY_U32("touchscreen-size-x", 890), PROPERTY_ENTRY_U32("touchscreen-size-y", 630), @@ -127,7 +141,25 @@ static const struct silead_ts_dmi_data pipo_w2s_data = { .properties = pipo_w2s_props, }; -static const struct property_entry pov_mobii_wintab_p800w_props[] = { +static const struct property_entry pov_mobii_wintab_p800w_v20_props[] = { + PROPERTY_ENTRY_U32("touchscreen-min-x", 32), + PROPERTY_ENTRY_U32("touchscreen-min-y", 16), + PROPERTY_ENTRY_U32("touchscreen-size-x", 1692), + PROPERTY_ENTRY_U32("touchscreen-size-y", 1146), + PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"), + PROPERTY_ENTRY_STRING("firmware-name", + "gsl3680-pov-mobii-wintab-p800w-v20.fw"), + PROPERTY_ENTRY_U32("silead,max-fingers", 10), + PROPERTY_ENTRY_BOOL("silead,home-button"), + { } +}; + +static const struct silead_ts_dmi_data pov_mobii_wintab_p800w_v20_data = { + .acpi_name = "MSSL1680:00", + .properties = pov_mobii_wintab_p800w_v20_props, +}; + +static const struct property_entry pov_mobii_wintab_p800w_v21_props[] = { PROPERTY_ENTRY_U32("touchscreen-size-x", 1800), PROPERTY_ENTRY_U32("touchscreen-size-y", 1150), PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"), @@ -137,9 +169,9 @@ static const struct property_entry pov_mobii_wintab_p800w_props[] = { { } }; -static const struct silead_ts_dmi_data pov_mobii_wintab_p800w_data = { +static const struct silead_ts_dmi_data pov_mobii_wintab_p800w_v21_data = { .acpi_name = "MSSL1680:00", - .properties = pov_mobii_wintab_p800w_props, + .properties = pov_mobii_wintab_p800w_v21_props, }; static const struct property_entry itworks_tw891_props[] = { @@ -277,6 +309,23 @@ static const struct silead_ts_dmi_data teclast_x3_plus_data = { .properties = teclast_x3_plus_props, }; +static const struct property_entry onda_v891w_v1_props[] = { + PROPERTY_ENTRY_U32("touchscreen-min-x", 46), + PROPERTY_ENTRY_U32("touchscreen-min-y", 8), + PROPERTY_ENTRY_U32("touchscreen-size-x", 1676), + PROPERTY_ENTRY_U32("touchscreen-size-y", 1130), + PROPERTY_ENTRY_STRING("firmware-name", + "gsl3680-onda-v891w-v1.fw"), + PROPERTY_ENTRY_U32("silead,max-fingers", 10), + PROPERTY_ENTRY_BOOL("silead,home-button"), + { } +}; + +static const struct silead_ts_dmi_data onda_v891w_v1_data = { + .acpi_name = "MSSL1680:00", + .properties = onda_v891w_v1_props, +}; + static const struct dmi_system_id silead_ts_dmi_table[] = { { /* CUBE iwork8 Air */ @@ -297,6 +346,17 @@ static const struct dmi_system_id silead_ts_dmi_table[] = { }, }, { + /* Jumper EZpad 6 Pro */ + .driver_data = (void *)&jumper_ezpad_6_pro_data, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Jumper"), + DMI_MATCH(DMI_PRODUCT_NAME, "EZpad"), + DMI_MATCH(DMI_BIOS_VERSION, "5.12"), + /* Above matches are too generic, add bios-date match */ + DMI_MATCH(DMI_BIOS_DATE, "08/18/2017"), + }, + }, + { /* DEXP Ursus 7W */ .driver_data = (void *)&dexp_ursus_7w_data, .matches = { @@ -361,8 +421,19 @@ static const struct dmi_system_id silead_ts_dmi_table[] = { }, }, { - /* Point of View mobii wintab p800w */ - .driver_data = (void *)&pov_mobii_wintab_p800w_data, + /* Point of View mobii wintab p800w (v2.0) */ + .driver_data = (void *)&pov_mobii_wintab_p800w_v20_data, + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), + DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"), + DMI_MATCH(DMI_BIOS_VERSION, "3BAIR1014"), + /* Above matches are too generic, add bios-date match */ + DMI_MATCH(DMI_BIOS_DATE, "10/24/2014"), + }, + }, + { + /* Point of View mobii wintab p800w (v2.1) */ + .driver_data = (void *)&pov_mobii_wintab_p800w_v21_data, .matches = { DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"), @@ -413,6 +484,15 @@ static const struct dmi_system_id silead_ts_dmi_table[] = { }, }, { + /* Chuwi Hi8 (H1D_S806_206) */ + .driver_data = (void *)&chuwi_hi8_data, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Insyde"), + DMI_MATCH(DMI_PRODUCT_NAME, "BayTrail"), + DMI_MATCH(DMI_BIOS_VERSION, "H1D_S806_206"), + }, + }, + { /* Chuwi Vi8 (CWI506) */ .driver_data = (void *)&chuwi_vi8_data, .matches = { @@ -463,6 +543,17 @@ static const struct dmi_system_id silead_ts_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "Y8W81"), }, }, + { + /* ONDA V891w revision P891WBEBV1B00 aka v1 */ + .driver_data = (void *)&onda_v891w_v1_data, + .matches = { + DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "ONDA"), + DMI_EXACT_MATCH(DMI_BOARD_NAME, "ONDA Tablet"), + DMI_EXACT_MATCH(DMI_BOARD_VERSION, "V001"), + /* Exact match, different versions need different fw */ + DMI_EXACT_MATCH(DMI_BIOS_VERSION, "ONDA.W89EBBN08"), + }, + }, { }, }; diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index ab2d28867c52..cae9b0595692 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -212,7 +212,12 @@ enum tpacpi_hkey_event_t { TP_HKEY_EV_ALARM_BAT_XHOT = 0x6012, /* battery critically hot */ TP_HKEY_EV_ALARM_SENSOR_HOT = 0x6021, /* sensor too hot */ TP_HKEY_EV_ALARM_SENSOR_XHOT = 0x6022, /* sensor critically hot */ - TP_HKEY_EV_THM_TABLE_CHANGED = 0x6030, /* thermal table changed */ + TP_HKEY_EV_THM_TABLE_CHANGED = 0x6030, /* windows; thermal table changed */ + TP_HKEY_EV_THM_CSM_COMPLETED = 0x6032, /* windows; thermal control set + * command completed. Related to + * AML DYTC */ + TP_HKEY_EV_THM_TRANSFM_CHANGED = 0x60F0, /* windows; thermal transformation + * changed. Related to AML GMTS */ /* AC-related events */ TP_HKEY_EV_AC_CHANGED = 0x6040, /* AC status changed */ @@ -4034,15 +4039,23 @@ static bool hotkey_notify_6xxx(const u32 hkey, bool *send_acpi_ev, bool *ignore_acpi_ev) { - bool known = true; - /* 0x6000-0x6FFF: thermal alarms/notices and keyboard events */ *send_acpi_ev = true; *ignore_acpi_ev = false; switch (hkey) { case TP_HKEY_EV_THM_TABLE_CHANGED: - pr_info("EC reports that Thermal Table has changed\n"); + pr_debug("EC reports: Thermal Table has changed\n"); + /* recommended action: do nothing, we don't have + * Lenovo ATM information */ + return true; + case TP_HKEY_EV_THM_CSM_COMPLETED: + pr_debug("EC reports: Thermal Control Command set completed (DYTC)\n"); + /* recommended action: do nothing, we don't have + * Lenovo ATM information */ + return true; + case TP_HKEY_EV_THM_TRANSFM_CHANGED: + pr_debug("EC reports: Thermal Transformation changed (GMTS)\n"); /* recommended action: do nothing, we don't have * Lenovo ATM information */ return true; @@ -4083,7 +4096,7 @@ static bool hotkey_notify_6xxx(const u32 hkey, tpacpi_input_send_tabletsw(); hotkey_tablet_mode_notify_change(); *send_acpi_ev = false; - break; + return true; case TP_HKEY_EV_PALM_DETECTED: case TP_HKEY_EV_PALM_UNDETECTED: @@ -4092,13 +4105,12 @@ static bool hotkey_notify_6xxx(const u32 hkey, return true; default: - pr_warn("unknown possible thermal alarm or keyboard event received\n"); - known = false; + /* report simply as unknown, no sensor dump */ + return false; } thermal_dump_all_sensors(); - - return known; + return true; } static void hotkey_notify(struct ibm_struct *ibm, u32 event) diff --git a/drivers/pwm/Kconfig b/drivers/pwm/Kconfig index 4635cb35008c..a4d262db9945 100644 --- a/drivers/pwm/Kconfig +++ b/drivers/pwm/Kconfig @@ -401,7 +401,7 @@ config PWM_STI config PWM_STM32 tristate "STMicroelectronics STM32 PWM" - depends on MFD_STM32_TIMERS || COMPILE_TEST + depends on MFD_STM32_TIMERS help Generic PWM framework driver for STM32 SoCs. diff --git a/drivers/pwm/pwm-atmel-tcb.c b/drivers/pwm/pwm-atmel-tcb.c index 4fb1be246c44..0d0f8376bc35 100644 --- a/drivers/pwm/pwm-atmel-tcb.c +++ b/drivers/pwm/pwm-atmel-tcb.c @@ -460,8 +460,7 @@ MODULE_DEVICE_TABLE(of, atmel_tcb_pwm_dt_ids); #ifdef CONFIG_PM_SLEEP static int atmel_tcb_pwm_suspend(struct device *dev) { - struct platform_device *pdev = to_platform_device(dev); - struct atmel_tcb_pwm_chip *tcbpwm = platform_get_drvdata(pdev); + struct atmel_tcb_pwm_chip *tcbpwm = dev_get_drvdata(dev); void __iomem *base = tcbpwm->tc->regs; int i; @@ -478,8 +477,7 @@ static int atmel_tcb_pwm_suspend(struct device *dev) static int atmel_tcb_pwm_resume(struct device *dev) { - struct platform_device *pdev = to_platform_device(dev); - struct atmel_tcb_pwm_chip *tcbpwm = platform_get_drvdata(pdev); + struct atmel_tcb_pwm_chip *tcbpwm = dev_get_drvdata(dev); void __iomem *base = tcbpwm->tc->regs; int i; diff --git a/drivers/pwm/pwm-lpss-platform.c b/drivers/pwm/pwm-lpss-platform.c index 5d6ed1507d29..5561b9e190f8 100644 --- a/drivers/pwm/pwm-lpss-platform.c +++ b/drivers/pwm/pwm-lpss-platform.c @@ -74,6 +74,10 @@ static int pwm_lpss_remove_platform(struct platform_device *pdev) return pwm_lpss_remove(lpwm); } +static SIMPLE_DEV_PM_OPS(pwm_lpss_platform_pm_ops, + pwm_lpss_suspend, + pwm_lpss_resume); + static const struct acpi_device_id pwm_lpss_acpi_match[] = { { "80860F09", (unsigned long)&pwm_lpss_byt_info }, { "80862288", (unsigned long)&pwm_lpss_bsw_info }, @@ -86,6 +90,7 @@ static struct platform_driver pwm_lpss_driver_platform = { .driver = { .name = "pwm-lpss", .acpi_match_table = pwm_lpss_acpi_match, + .pm = &pwm_lpss_platform_pm_ops, }, .probe = pwm_lpss_probe_platform, .remove = pwm_lpss_remove_platform, diff --git a/drivers/pwm/pwm-lpss.c b/drivers/pwm/pwm-lpss.c index 8db0d40ccacd..4721a264bac2 100644 --- a/drivers/pwm/pwm-lpss.c +++ b/drivers/pwm/pwm-lpss.c @@ -32,10 +32,13 @@ /* Size of each PWM register space if multiple */ #define PWM_SIZE 0x400 +#define MAX_PWMS 4 + struct pwm_lpss_chip { struct pwm_chip chip; void __iomem *regs; const struct pwm_lpss_boardinfo *info; + u32 saved_ctrl[MAX_PWMS]; }; static inline struct pwm_lpss_chip *to_lpwm(struct pwm_chip *chip) @@ -177,6 +180,9 @@ struct pwm_lpss_chip *pwm_lpss_probe(struct device *dev, struct resource *r, unsigned long c; int ret; + if (WARN_ON(info->npwm > MAX_PWMS)) + return ERR_PTR(-ENODEV); + lpwm = devm_kzalloc(dev, sizeof(*lpwm), GFP_KERNEL); if (!lpwm) return ERR_PTR(-ENOMEM); @@ -212,6 +218,30 @@ int pwm_lpss_remove(struct pwm_lpss_chip *lpwm) } EXPORT_SYMBOL_GPL(pwm_lpss_remove); +int pwm_lpss_suspend(struct device *dev) +{ + struct pwm_lpss_chip *lpwm = dev_get_drvdata(dev); + int i; + + for (i = 0; i < lpwm->info->npwm; i++) + lpwm->saved_ctrl[i] = readl(lpwm->regs + i * PWM_SIZE + PWM); + + return 0; +} +EXPORT_SYMBOL_GPL(pwm_lpss_suspend); + +int pwm_lpss_resume(struct device *dev) +{ + struct pwm_lpss_chip *lpwm = dev_get_drvdata(dev); + int i; + + for (i = 0; i < lpwm->info->npwm; i++) + writel(lpwm->saved_ctrl[i], lpwm->regs + i * PWM_SIZE + PWM); + + return 0; +} +EXPORT_SYMBOL_GPL(pwm_lpss_resume); + MODULE_DESCRIPTION("PWM driver for Intel LPSS"); MODULE_AUTHOR("Mika Westerberg <mika.westerberg@linux.intel.com>"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/pwm/pwm-lpss.h b/drivers/pwm/pwm-lpss.h index 98306bb02cfe..7a4238ad1fcb 100644 --- a/drivers/pwm/pwm-lpss.h +++ b/drivers/pwm/pwm-lpss.h @@ -28,5 +28,7 @@ struct pwm_lpss_boardinfo { struct pwm_lpss_chip *pwm_lpss_probe(struct device *dev, struct resource *r, const struct pwm_lpss_boardinfo *info); int pwm_lpss_remove(struct pwm_lpss_chip *lpwm); +int pwm_lpss_suspend(struct device *dev); +int pwm_lpss_resume(struct device *dev); #endif /* __PWM_LPSS_H */ diff --git a/drivers/pwm/pwm-meson.c b/drivers/pwm/pwm-meson.c index 0767deba8e62..822860b4801a 100644 --- a/drivers/pwm/pwm-meson.c +++ b/drivers/pwm/pwm-meson.c @@ -541,8 +541,8 @@ static int meson_pwm_probe(struct platform_device *pdev) meson->data = of_device_get_match_data(&pdev->dev); meson->inverter_mask = BIT(meson->chip.npwm) - 1; - channels = devm_kcalloc(&pdev->dev, meson->chip.npwm, sizeof(*meson), - GFP_KERNEL); + channels = devm_kcalloc(&pdev->dev, meson->chip.npwm, + sizeof(*channels), GFP_KERNEL); if (!channels) return -ENOMEM; diff --git a/drivers/pwm/pwm-rcar.c b/drivers/pwm/pwm-rcar.c index 91d11f2e2fef..748f614d5375 100644 --- a/drivers/pwm/pwm-rcar.c +++ b/drivers/pwm/pwm-rcar.c @@ -261,8 +261,7 @@ MODULE_DEVICE_TABLE(of, rcar_pwm_of_table); #ifdef CONFIG_PM_SLEEP static struct pwm_device *rcar_pwm_dev_to_pwm_dev(struct device *dev) { - struct platform_device *pdev = to_platform_device(dev); - struct rcar_pwm_chip *rcar_pwm = platform_get_drvdata(pdev); + struct rcar_pwm_chip *rcar_pwm = dev_get_drvdata(dev); struct pwm_chip *chip = &rcar_pwm->chip; return &chip->pwms[0]; diff --git a/drivers/pwm/pwm-stm32.c b/drivers/pwm/pwm-stm32.c index 09383c6720fb..4f842550fbd1 100644 --- a/drivers/pwm/pwm-stm32.c +++ b/drivers/pwm/pwm-stm32.c @@ -484,9 +484,7 @@ static int stm32_pwm_apply_locked(struct pwm_chip *chip, struct pwm_device *pwm, static const struct pwm_ops stm32pwm_ops = { .owner = THIS_MODULE, .apply = stm32_pwm_apply_locked, -#if IS_ENABLED(CONFIG_DMA_ENGINE) - .capture = stm32_pwm_capture, -#endif + .capture = IS_ENABLED(CONFIG_DMA_ENGINE) ? stm32_pwm_capture : NULL, }; static int stm32_pwm_set_breakinput(struct stm32_pwm *priv, diff --git a/drivers/remoteproc/qcom_q6v5_pil.c b/drivers/remoteproc/qcom_q6v5_pil.c index 2190debf3d35..2bf8e7c49f2a 100644 --- a/drivers/remoteproc/qcom_q6v5_pil.c +++ b/drivers/remoteproc/qcom_q6v5_pil.c @@ -686,7 +686,7 @@ static int q6v5_mpss_load(struct q6v5 *qproc) struct elf32_hdr *ehdr; phys_addr_t mpss_reloc; phys_addr_t boot_addr; - phys_addr_t min_addr = (phys_addr_t)ULLONG_MAX; + phys_addr_t min_addr = PHYS_ADDR_MAX; phys_addr_t max_addr = 0; bool relocate = false; char seg_name[10]; diff --git a/drivers/sbus/char/oradax.c b/drivers/sbus/char/oradax.c index 1754f55e2fac..524f9ea62e52 100644 --- a/drivers/sbus/char/oradax.c +++ b/drivers/sbus/char/oradax.c @@ -30,7 +30,7 @@ * the recommended way for applications to use the coprocessor, and * the driver interface is not intended for general use. * - * See Documentation/sparc/oradax/oracle_dax.txt for more details. + * See Documentation/sparc/oradax/oracle-dax.txt for more details. */ #include <linux/uaccess.h> diff --git a/drivers/scsi/aacraid/commctrl.c b/drivers/scsi/aacraid/commctrl.c index a2b3430072c7..25f6600d6c09 100644 --- a/drivers/scsi/aacraid/commctrl.c +++ b/drivers/scsi/aacraid/commctrl.c @@ -845,7 +845,7 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg) rcode = -EINVAL; goto cleanup; } - p = kmalloc(sg_count[i], GFP_KERNEL|GFP_DMA32); + p = kmalloc(sg_count[i], GFP_KERNEL); if (!p) { dprintk((KERN_DEBUG"aacraid: Could not allocate SG buffer - size = %d buffer number %d of %d\n", sg_count[i], i, usg->count)); @@ -886,7 +886,7 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg) rcode = -EINVAL; goto cleanup; } - p = kmalloc(sg_count[i], GFP_KERNEL|GFP_DMA32); + p = kmalloc(sg_count[i], GFP_KERNEL); if (!p) { dprintk((KERN_DEBUG"aacraid: Could not allocate SG buffer - size = %d buffer number %d of %d\n", sg_count[i], i, upsg->count)); diff --git a/drivers/scsi/aic7xxx/aic79xx_core.c b/drivers/scsi/aic7xxx/aic79xx_core.c index 67d292dcc607..2d82ec85753e 100644 --- a/drivers/scsi/aic7xxx/aic79xx_core.c +++ b/drivers/scsi/aic7xxx/aic79xx_core.c @@ -6112,10 +6112,6 @@ ahd_alloc(void *platform_arg, char *name) ahd->int_coalescing_stop_threshold = AHD_INT_COALESCING_STOP_THRESHOLD_DEFAULT; - if (ahd_platform_alloc(ahd, platform_arg) != 0) { - ahd_free(ahd); - ahd = NULL; - } #ifdef AHD_DEBUG if ((ahd_debug & AHD_SHOW_MEMORY) != 0) { printk("%s: scb size = 0x%x, hscb size = 0x%x\n", @@ -6123,6 +6119,10 @@ ahd_alloc(void *platform_arg, char *name) (u_int)sizeof(struct hardware_scb)); } #endif + if (ahd_platform_alloc(ahd, platform_arg) != 0) { + ahd_free(ahd); + ahd = NULL; + } return (ahd); } diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index af0e628ff396..15c7f3b6f35e 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -8871,7 +8871,7 @@ out: kfree(options); } -static void hpsa_shutdown(struct pci_dev *pdev) +static void __hpsa_shutdown(struct pci_dev *pdev) { struct ctlr_info *h; @@ -8886,6 +8886,12 @@ static void hpsa_shutdown(struct pci_dev *pdev) hpsa_disable_interrupt_mode(h); /* pci_init 2 */ } +static void hpsa_shutdown(struct pci_dev *pdev) +{ + __hpsa_shutdown(pdev); + pci_disable_device(pdev); +} + static void hpsa_free_device_info(struct ctlr_info *h) { int i; @@ -8929,7 +8935,7 @@ static void hpsa_remove_one(struct pci_dev *pdev) scsi_remove_host(h->scsi_host); /* init_one 8 */ /* includes hpsa_free_irqs - init_one 4 */ /* includes hpsa_disable_interrupt_mode - pci_init 2 */ - hpsa_shutdown(pdev); + __hpsa_shutdown(pdev); hpsa_free_device_info(h); /* scan */ diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c index bf04fa90f433..569392d0d4c9 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.c +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c @@ -3348,6 +3348,7 @@ _base_mpi_ep_writeq(__u64 b, volatile void __iomem *addr, spin_lock_irqsave(writeq_lock, flags); writel((u32)(data_out), addr); writel((u32)(data_out >> 32), (addr + 4)); + mmiowb(); spin_unlock_irqrestore(writeq_lock, flags); } diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index fbbb328c64d5..7b675243bd16 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -5009,7 +5009,8 @@ qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport) return; if (fcport->fp_speed == PORT_SPEED_UNKNOWN || - fcport->fp_speed > ha->link_data_rate) + fcport->fp_speed > ha->link_data_rate || + !ha->flags.gpsc_supported) return; rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed, diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index d14d3911516d..9fa5a2557f2c 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -2494,8 +2494,12 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) ox_id = le16_to_cpu(sts24->ox_id); par_sense_len = sizeof(sts24->data); /* Valid values of the retry delay timer are 0x1-0xffef */ - if (sts24->retry_delay > 0 && sts24->retry_delay < 0xfff1) - retry_delay = sts24->retry_delay; + if (sts24->retry_delay > 0 && sts24->retry_delay < 0xfff1) { + retry_delay = sts24->retry_delay & 0x3fff; + ql_dbg(ql_dbg_io, sp->vha, 0x3033, + "%s: scope=%#x retry_delay=%#x\n", __func__, + sts24->retry_delay >> 14, retry_delay); + } } else { if (scsi_status & SS_SENSE_LEN_VALID) sense_len = le16_to_cpu(sts->req_sense_length); diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index d8a36c13aeda..7e875f575229 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -292,6 +292,14 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp) if (time_after(jiffies, wait_time)) break; + /* + * Check if it's UNLOADING, cause we cannot poll in + * this case, or else a NULL pointer dereference + * is triggered. + */ + if (unlikely(test_bit(UNLOADING, &base_vha->dpc_flags))) + return QLA_FUNCTION_TIMEOUT; + /* Check for pending interrupts. */ qla2x00_poll(ha->rsp_q_map[0]); diff --git a/drivers/scsi/sd_zbc.c b/drivers/scsi/sd_zbc.c index 76da8c3a6f09..a14fef11776e 100644 --- a/drivers/scsi/sd_zbc.c +++ b/drivers/scsi/sd_zbc.c @@ -442,7 +442,7 @@ static s64 sd_zbc_check_zone_size(struct scsi_disk *sdkp) } else if (this_zone_blocks != zone_blocks && (block + this_zone_blocks < sdkp->capacity || this_zone_blocks > zone_blocks)) { - this_zone_blocks = 0; + zone_blocks = 0; goto out; } block += this_zone_blocks; diff --git a/drivers/soc/qcom/mdt_loader.c b/drivers/soc/qcom/mdt_loader.c index 17b314d9a148..dc09d7ac905f 100644 --- a/drivers/soc/qcom/mdt_loader.c +++ b/drivers/soc/qcom/mdt_loader.c @@ -50,7 +50,7 @@ ssize_t qcom_mdt_get_size(const struct firmware *fw) const struct elf32_phdr *phdrs; const struct elf32_phdr *phdr; const struct elf32_hdr *ehdr; - phys_addr_t min_addr = (phys_addr_t)ULLONG_MAX; + phys_addr_t min_addr = PHYS_ADDR_MAX; phys_addr_t max_addr = 0; int i; @@ -97,7 +97,7 @@ int qcom_mdt_load(struct device *dev, const struct firmware *fw, const struct elf32_hdr *ehdr; const struct firmware *seg_fw; phys_addr_t mem_reloc; - phys_addr_t min_addr = (phys_addr_t)ULLONG_MAX; + phys_addr_t min_addr = PHYS_ADDR_MAX; phys_addr_t max_addr = 0; size_t fw_name_len; ssize_t offset; diff --git a/drivers/soundwire/stream.c b/drivers/soundwire/stream.c index 8974a0fcda1b..4b5e250e8615 100644 --- a/drivers/soundwire/stream.c +++ b/drivers/soundwire/stream.c @@ -1291,7 +1291,7 @@ restore_params: * * @stream: Soundwire stream * - * Documentation/soundwire/stream.txt explains this API in detail + * Documentation/driver-api/soundwire/stream.rst explains this API in detail */ int sdw_prepare_stream(struct sdw_stream_runtime *stream) { @@ -1348,7 +1348,7 @@ static int _sdw_enable_stream(struct sdw_stream_runtime *stream) * * @stream: Soundwire stream * - * Documentation/soundwire/stream.txt explains this API in detail + * Documentation/driver-api/soundwire/stream.rst explains this API in detail */ int sdw_enable_stream(struct sdw_stream_runtime *stream) { @@ -1400,7 +1400,7 @@ static int _sdw_disable_stream(struct sdw_stream_runtime *stream) * * @stream: Soundwire stream * - * Documentation/soundwire/stream.txt explains this API in detail + * Documentation/driver-api/soundwire/stream.rst explains this API in detail */ int sdw_disable_stream(struct sdw_stream_runtime *stream) { @@ -1456,7 +1456,7 @@ static int _sdw_deprepare_stream(struct sdw_stream_runtime *stream) * * @stream: Soundwire stream * - * Documentation/soundwire/stream.txt explains this API in detail + * Documentation/driver-api/soundwire/stream.rst explains this API in detail */ int sdw_deprepare_stream(struct sdw_stream_runtime *stream) { diff --git a/drivers/staging/fsl-mc/bus/dpio/dpio-driver.txt b/drivers/staging/fsl-mc/bus/dpio/dpio-driver.txt index 0ba6771654f7..72ba9da3d179 100644 --- a/drivers/staging/fsl-mc/bus/dpio/dpio-driver.txt +++ b/drivers/staging/fsl-mc/bus/dpio/dpio-driver.txt @@ -11,7 +11,7 @@ pool management for network interfaces. This document provides an overview the Linux DPIO driver, its subcomponents, and its APIs. -See Documentation/dpaa2/overview.txt for a general overview of DPAA2 +See Documentation/networking/dpaa2/overview.rst for a general overview of DPAA2 and the general DPAA2 driver architecture in Linux. Driver Overview diff --git a/drivers/staging/media/bcm2048/TODO b/drivers/staging/media/bcm2048/TODO index 051f85dbe89e..6bee2a2dad68 100644 --- a/drivers/staging/media/bcm2048/TODO +++ b/drivers/staging/media/bcm2048/TODO @@ -3,7 +3,7 @@ TODO: From the initial code review: The main thing you need to do is to implement all the controls using the -control framework (see Documentation/video4linux/v4l2-controls.txt). +control framework (see Documentation/media/kapi/v4l2-controls.rst). Most drivers are by now converted to the control framework, so you will find many examples of how to do this in drivers/media/radio. diff --git a/drivers/staging/media/zoran/Kconfig b/drivers/staging/media/zoran/Kconfig index 63df5de5068d..34a18135ede0 100644 --- a/drivers/staging/media/zoran/Kconfig +++ b/drivers/staging/media/zoran/Kconfig @@ -7,7 +7,7 @@ config VIDEO_ZORAN 36057/36067 PCI controller chipset. This includes the Iomega Buz, Pinnacle DC10+ and the Linux Media Labs LML33. There is a driver homepage at <http://mjpeg.sf.net/driver-zoran/>. For - more information, check <file:Documentation/video4linux/Zoran>. + more information, check <file:Documentation/media/v4l-drivers/zoran.rst>. To compile this driver as a module, choose M here: the module will be called zr36067. diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c index 7c838b90a31d..aba59521ad48 100644 --- a/drivers/tty/tty_io.c +++ b/drivers/tty/tty_io.c @@ -867,8 +867,13 @@ static ssize_t tty_read(struct file *file, char __user *buf, size_t count, i = -EIO; tty_ldisc_deref(ld); - if (i > 0) - tty_update_time(&inode->i_atime); + if (i > 0) { + struct timespec ts; + + ts = timespec64_to_timespec(inode->i_atime); + tty_update_time(&ts); + inode->i_atime = timespec_to_timespec64(ts); + } return i; } @@ -969,7 +974,11 @@ static inline ssize_t do_tty_write( cond_resched(); } if (written) { - tty_update_time(&file_inode(file)->i_mtime); + struct timespec ts; + + ts = timespec64_to_timespec(file_inode(file)->i_mtime); + tty_update_time(&ts); + file_inode(file)->i_mtime = timespec_to_timespec64(ts); ret = written; } out: diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c index 199d25700050..dce9d12c7981 100644 --- a/drivers/usb/gadget/function/f_fs.c +++ b/drivers/usb/gadget/function/f_fs.c @@ -1308,7 +1308,7 @@ ffs_sb_make_inode(struct super_block *sb, void *data, inode = new_inode(sb); if (likely(inode)) { - struct timespec ts = current_time(inode); + struct timespec64 ts = current_time(inode); inode->i_ino = get_next_ino(); inode->i_mode = perms->mode; diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index ce8c95b6365b..a502f1af4a21 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -2349,6 +2349,9 @@ struct vhost_msg_node *vhost_new_msg(struct vhost_virtqueue *vq, int type) struct vhost_msg_node *node = kmalloc(sizeof *node, GFP_KERNEL); if (!node) return NULL; + + /* Make sure all padding within the structure is initialized. */ + memset(&node->msg, 0, sizeof node->msg); node->vq = vq; node->msg.type = type; return node; diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig index d94254263ea5..591a13a59787 100644 --- a/drivers/video/fbdev/Kconfig +++ b/drivers/video/fbdev/Kconfig @@ -1437,7 +1437,7 @@ config FB_SIS_315 config FB_VIA tristate "VIA UniChrome (Pro) and Chrome9 display support" - depends on FB && PCI && X86 && GPIOLIB && I2C + depends on FB && PCI && GPIOLIB && I2C && (X86 || COMPILE_TEST) select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT @@ -1888,7 +1888,6 @@ config FB_W100 config FB_SH_MOBILE_LCDC tristate "SuperH Mobile LCDC framebuffer support" depends on FB && (SUPERH || ARCH_RENESAS) && HAVE_CLK - depends on FB_SH_MOBILE_MERAM || !FB_SH_MOBILE_MERAM select FB_SYS_FILLRECT select FB_SYS_COPYAREA select FB_SYS_IMAGEBLIT @@ -2253,39 +2252,6 @@ config FB_BROADSHEET and could also have been called by other names when coupled with a bridge adapter. -config FB_AUO_K190X - tristate "AUO-K190X EPD controller support" - depends on FB - select FB_SYS_FILLRECT - select FB_SYS_COPYAREA - select FB_SYS_IMAGEBLIT - select FB_SYS_FOPS - select FB_DEFERRED_IO - help - Provides support for epaper controllers from the K190X series - of AUO. These controllers can be used to drive epaper displays - from Sipix. - - This option enables the common support, shared by the individual - controller drivers. You will also have to enable the driver - for the controller type used in your device. - -config FB_AUO_K1900 - tristate "AUO-K1900 EPD controller support" - depends on FB && FB_AUO_K190X - help - This driver implements support for the AUO K1900 epd-controller. - This controller can drive Sipix epaper displays but can only do - serial updates, reducing the number of possible frames per second. - -config FB_AUO_K1901 - tristate "AUO-K1901 EPD controller support" - depends on FB && FB_AUO_K190X - help - This driver implements support for the AUO K1901 epd-controller. - This controller can drive Sipix epaper displays and supports - concurrent updates, making higher frames per second possible. - config FB_JZ4740 tristate "JZ4740 LCD framebuffer support" depends on FB && MACH_JZ4740 @@ -2346,18 +2312,6 @@ source "drivers/video/fbdev/omap/Kconfig" source "drivers/video/fbdev/omap2/Kconfig" source "drivers/video/fbdev/mmp/Kconfig" -config FB_SH_MOBILE_MERAM - tristate "SuperH Mobile MERAM read ahead support" - depends on (SUPERH || ARCH_SHMOBILE) - select GENERIC_ALLOCATOR - ---help--- - Enable MERAM support for the SuperH controller. - - This will allow for caching of the framebuffer to provide more - reliable access under heavy main memory bus traffic situations. - Up to 4 memory channels can be configured, allowing 4 RGB or - 2 YCbCr framebuffers to be configured. - config FB_SSD1307 tristate "Solomon SSD1307 framebuffer support" depends on FB && I2C diff --git a/drivers/video/fbdev/Makefile b/drivers/video/fbdev/Makefile index 55282a21b500..13c900320c2c 100644 --- a/drivers/video/fbdev/Makefile +++ b/drivers/video/fbdev/Makefile @@ -100,9 +100,6 @@ obj-$(CONFIG_FB_PMAGB_B) += pmagb-b-fb.o obj-$(CONFIG_FB_MAXINE) += maxinefb.o obj-$(CONFIG_FB_METRONOME) += metronomefb.o obj-$(CONFIG_FB_BROADSHEET) += broadsheetfb.o -obj-$(CONFIG_FB_AUO_K190X) += auo_k190x.o -obj-$(CONFIG_FB_AUO_K1900) += auo_k1900fb.o -obj-$(CONFIG_FB_AUO_K1901) += auo_k1901fb.o obj-$(CONFIG_FB_S1D13XXX) += s1d13xxxfb.o obj-$(CONFIG_FB_SH7760) += sh7760fb.o obj-$(CONFIG_FB_IMX) += imxfb.o @@ -116,7 +113,6 @@ obj-$(CONFIG_FB_SM501) += sm501fb.o obj-$(CONFIG_FB_UDL) += udlfb.o obj-$(CONFIG_FB_SMSCUFX) += smscufx.o obj-$(CONFIG_FB_XILINX) += xilinxfb.o -obj-$(CONFIG_FB_SH_MOBILE_MERAM) += sh_mobile_meram.o obj-$(CONFIG_FB_SH_MOBILE_LCDC) += sh_mobile_lcdcfb.o obj-$(CONFIG_FB_OMAP) += omap/ obj-y += omap2/ diff --git a/drivers/video/fbdev/aty/aty128fb.c b/drivers/video/fbdev/aty/aty128fb.c index 09b0e558dce8..6cc46867ff57 100644 --- a/drivers/video/fbdev/aty/aty128fb.c +++ b/drivers/video/fbdev/aty/aty128fb.c @@ -2442,7 +2442,7 @@ static void aty128_set_suspend(struct aty128fb_par *par, int suspend) (void)aty_ld_pll(POWER_MANAGEMENT); aty_st_le32(BUS_CNTL1, 0x00000010); aty_st_le32(MEM_POWER_MISC, 0x0c830000); - mdelay(100); + msleep(100); /* Switch PCI power management to D2 */ pci_set_power_state(pdev, PCI_D2); diff --git a/drivers/video/fbdev/aty/radeon_pm.c b/drivers/video/fbdev/aty/radeon_pm.c index 7137c12cbcee..e695adb0e573 100644 --- a/drivers/video/fbdev/aty/radeon_pm.c +++ b/drivers/video/fbdev/aty/radeon_pm.c @@ -2678,17 +2678,17 @@ int radeonfb_pci_suspend(struct pci_dev *pdev, pm_message_t mesg) * it, we'll restore the dynamic clocks state on wakeup */ radeon_pm_disable_dynamic_mode(rinfo); - mdelay(50); + msleep(50); radeon_pm_save_regs(rinfo, 1); if (rinfo->is_mobility && !(rinfo->pm_mode & radeon_pm_d2)) { /* Switch off LVDS interface */ - mdelay(1); + usleep_range(1000, 2000); OUTREG(LVDS_GEN_CNTL, INREG(LVDS_GEN_CNTL) & ~(LVDS_BL_MOD_EN)); - mdelay(1); + usleep_range(1000, 2000); OUTREG(LVDS_GEN_CNTL, INREG(LVDS_GEN_CNTL) & ~(LVDS_EN | LVDS_ON)); OUTREG(LVDS_PLL_CNTL, (INREG(LVDS_PLL_CNTL) & ~30000) | 0x20000); - mdelay(20); + msleep(20); OUTREG(LVDS_GEN_CNTL, INREG(LVDS_GEN_CNTL) & ~(LVDS_DIGON)); } pci_disable_device(pdev); diff --git a/drivers/video/fbdev/au1100fb.c b/drivers/video/fbdev/au1100fb.c index d555a78df5c6..0adf0683cf08 100644 --- a/drivers/video/fbdev/au1100fb.c +++ b/drivers/video/fbdev/au1100fb.c @@ -464,7 +464,7 @@ static int au1100fb_drv_probe(struct platform_device *dev) PAGE_ALIGN(fbdev->fb_len), &fbdev->fb_phys, GFP_KERNEL); if (!fbdev->fb_mem) { - print_err("fail to allocate frambuffer (size: %dK))", + print_err("fail to allocate framebuffer (size: %dK))", fbdev->fb_len / 1024); return -ENOMEM; } diff --git a/drivers/video/fbdev/au1200fb.c b/drivers/video/fbdev/au1200fb.c index 87d5a62bf6ca..3872ccef4cb2 100644 --- a/drivers/video/fbdev/au1200fb.c +++ b/drivers/video/fbdev/au1200fb.c @@ -1696,7 +1696,7 @@ static int au1200fb_drv_probe(struct platform_device *dev) &fbdev->fb_phys, GFP_KERNEL, DMA_ATTR_NON_CONSISTENT); if (!fbdev->fb_mem) { - print_err("fail to allocate frambuffer (size: %dK))", + print_err("fail to allocate framebuffer (size: %dK))", fbdev->fb_len / 1024); ret = -ENOMEM; goto failed; diff --git a/drivers/video/fbdev/auo_k1900fb.c b/drivers/video/fbdev/auo_k1900fb.c deleted file mode 100644 index 7637c60eae3d..000000000000 --- a/drivers/video/fbdev/auo_k1900fb.c +++ /dev/null @@ -1,204 +0,0 @@ -/* - * auok190xfb.c -- FB driver for AUO-K1900 controllers - * - * Copyright (C) 2011, 2012 Heiko Stuebner <heiko@sntech.de> - * - * based on broadsheetfb.c - * - * Copyright (C) 2008, Jaya Kumar - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * Layout is based on skeletonfb.c by James Simmons and Geert Uytterhoeven. - * - * This driver is written to be used with the AUO-K1900 display controller. - * - * It is intended to be architecture independent. A board specific driver - * must be used to perform all the physical IO interactions. - * - * The controller supports different update modes: - * mode0+1 16 step gray (4bit) - * mode2 4 step gray (2bit) - FIXME: add strange refresh - * mode3 2 step gray (1bit) - FIXME: add strange refresh - * mode4 handwriting mode (strange behaviour) - * mode5 automatic selection of update mode - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/string.h> -#include <linux/mm.h> -#include <linux/slab.h> -#include <linux/delay.h> -#include <linux/interrupt.h> -#include <linux/fb.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/list.h> -#include <linux/firmware.h> -#include <linux/gpio.h> -#include <linux/pm_runtime.h> - -#include <video/auo_k190xfb.h> - -#include "auo_k190x.h" - -/* - * AUO-K1900 specific commands - */ - -#define AUOK1900_CMD_PARTIALDISP 0x1001 -#define AUOK1900_CMD_ROTATION 0x1006 -#define AUOK1900_CMD_LUT_STOP 0x1009 - -#define AUOK1900_INIT_TEMP_AVERAGE (1 << 13) -#define AUOK1900_INIT_ROTATE(_x) ((_x & 0x3) << 10) -#define AUOK1900_INIT_RESOLUTION(_res) ((_res & 0x7) << 2) - -static void auok1900_init(struct auok190xfb_par *par) -{ - struct device *dev = par->info->device; - struct auok190x_board *board = par->board; - u16 init_param = 0; - - pm_runtime_get_sync(dev); - - init_param |= AUOK1900_INIT_TEMP_AVERAGE; - init_param |= AUOK1900_INIT_ROTATE(par->rotation); - init_param |= AUOK190X_INIT_INVERSE_WHITE; - init_param |= AUOK190X_INIT_FORMAT0; - init_param |= AUOK1900_INIT_RESOLUTION(par->resolution); - init_param |= AUOK190X_INIT_SHIFT_RIGHT; - - auok190x_send_cmdargs(par, AUOK190X_CMD_INIT, 1, &init_param); - - /* let the controller finish */ - board->wait_for_rdy(par); - - pm_runtime_mark_last_busy(dev); - pm_runtime_put_autosuspend(dev); -} - -static void auok1900_update_region(struct auok190xfb_par *par, int mode, - u16 y1, u16 y2) -{ - struct device *dev = par->info->device; - unsigned char *buf = (unsigned char *)par->info->screen_base; - int xres = par->info->var.xres; - int line_length = par->info->fix.line_length; - u16 args[4]; - - pm_runtime_get_sync(dev); - - mutex_lock(&(par->io_lock)); - - /* y1 and y2 must be a multiple of 2 so drop the lowest bit */ - y1 &= 0xfffe; - y2 &= 0xfffe; - - dev_dbg(dev, "update (x,y,w,h,mode)=(%d,%d,%d,%d,%d)\n", - 1, y1+1, xres, y2-y1, mode); - - /* to FIX handle different partial update modes */ - args[0] = mode | 1; - args[1] = y1 + 1; - args[2] = xres; - args[3] = y2 - y1; - buf += y1 * line_length; - auok190x_send_cmdargs_pixels(par, AUOK1900_CMD_PARTIALDISP, 4, args, - ((y2 - y1) * line_length)/2, (u16 *) buf); - auok190x_send_command(par, AUOK190X_CMD_DATA_STOP); - - par->update_cnt++; - - mutex_unlock(&(par->io_lock)); - - pm_runtime_mark_last_busy(dev); - pm_runtime_put_autosuspend(dev); -} - -static void auok1900fb_dpy_update_pages(struct auok190xfb_par *par, - u16 y1, u16 y2) -{ - int mode; - - if (par->update_mode < 0) { - mode = AUOK190X_UPDATE_MODE(1); - par->last_mode = -1; - } else { - mode = AUOK190X_UPDATE_MODE(par->update_mode); - par->last_mode = par->update_mode; - } - - if (par->flash) - mode |= AUOK190X_UPDATE_NONFLASH; - - auok1900_update_region(par, mode, y1, y2); -} - -static void auok1900fb_dpy_update(struct auok190xfb_par *par) -{ - int mode; - - if (par->update_mode < 0) { - mode = AUOK190X_UPDATE_MODE(0); - par->last_mode = -1; - } else { - mode = AUOK190X_UPDATE_MODE(par->update_mode); - par->last_mode = par->update_mode; - } - - if (par->flash) - mode |= AUOK190X_UPDATE_NONFLASH; - - auok1900_update_region(par, mode, 0, par->info->var.yres); - par->update_cnt = 0; -} - -static bool auok1900fb_need_refresh(struct auok190xfb_par *par) -{ - return (par->update_cnt > 10); -} - -static int auok1900fb_probe(struct platform_device *pdev) -{ - struct auok190x_init_data init; - struct auok190x_board *board; - - /* pick up board specific routines */ - board = pdev->dev.platform_data; - if (!board) - return -EINVAL; - - /* fill temporary init struct for common init */ - init.id = "auo_k1900fb"; - init.board = board; - init.update_partial = auok1900fb_dpy_update_pages; - init.update_all = auok1900fb_dpy_update; - init.need_refresh = auok1900fb_need_refresh; - init.init = auok1900_init; - - return auok190x_common_probe(pdev, &init); -} - -static int auok1900fb_remove(struct platform_device *pdev) -{ - return auok190x_common_remove(pdev); -} - -static struct platform_driver auok1900fb_driver = { - .probe = auok1900fb_probe, - .remove = auok1900fb_remove, - .driver = { - .name = "auo_k1900fb", - .pm = &auok190x_pm, - }, -}; -module_platform_driver(auok1900fb_driver); - -MODULE_DESCRIPTION("framebuffer driver for the AUO-K1900 EPD controller"); -MODULE_AUTHOR("Heiko Stuebner <heiko@sntech.de>"); -MODULE_LICENSE("GPL"); diff --git a/drivers/video/fbdev/auo_k1901fb.c b/drivers/video/fbdev/auo_k1901fb.c deleted file mode 100644 index 681fe61957b6..000000000000 --- a/drivers/video/fbdev/auo_k1901fb.c +++ /dev/null @@ -1,257 +0,0 @@ -/* - * auok190xfb.c -- FB driver for AUO-K1901 controllers - * - * Copyright (C) 2011, 2012 Heiko Stuebner <heiko@sntech.de> - * - * based on broadsheetfb.c - * - * Copyright (C) 2008, Jaya Kumar - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * Layout is based on skeletonfb.c by James Simmons and Geert Uytterhoeven. - * - * This driver is written to be used with the AUO-K1901 display controller. - * - * It is intended to be architecture independent. A board specific driver - * must be used to perform all the physical IO interactions. - * - * The controller supports different update modes: - * mode0+1 16 step gray (4bit) - * mode2+3 4 step gray (2bit) - * mode4+5 2 step gray (1bit) - * - mode4 is described as "without LUT" - * mode7 automatic selection of update mode - * - * The most interesting difference to the K1900 is the ability to do screen - * updates in an asynchronous fashion. Where the K1900 needs to wait for the - * current update to complete, the K1901 can process later updates already. - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/string.h> -#include <linux/mm.h> -#include <linux/slab.h> -#include <linux/delay.h> -#include <linux/interrupt.h> -#include <linux/fb.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/list.h> -#include <linux/firmware.h> -#include <linux/gpio.h> -#include <linux/pm_runtime.h> - -#include <video/auo_k190xfb.h> - -#include "auo_k190x.h" - -/* - * AUO-K1901 specific commands - */ - -#define AUOK1901_CMD_LUT_INTERFACE 0x0005 -#define AUOK1901_CMD_DMA_START 0x1001 -#define AUOK1901_CMD_CURSOR_START 0x1007 -#define AUOK1901_CMD_CURSOR_STOP AUOK190X_CMD_DATA_STOP -#define AUOK1901_CMD_DDMA_START 0x1009 - -#define AUOK1901_INIT_GATE_PULSE_LOW (0 << 14) -#define AUOK1901_INIT_GATE_PULSE_HIGH (1 << 14) -#define AUOK1901_INIT_SINGLE_GATE (0 << 13) -#define AUOK1901_INIT_DOUBLE_GATE (1 << 13) - -/* Bits to pixels - * Mode 15-12 11-8 7-4 3-0 - * format2 2 T 1 T - * format3 1 T 2 T - * format4 T 2 T 1 - * format5 T 1 T 2 - * - * halftone modes: - * format6 2 2 1 1 - * format7 1 1 2 2 - */ -#define AUOK1901_INIT_FORMAT2 (1 << 7) -#define AUOK1901_INIT_FORMAT3 ((1 << 7) | (1 << 6)) -#define AUOK1901_INIT_FORMAT4 (1 << 8) -#define AUOK1901_INIT_FORMAT5 ((1 << 8) | (1 << 6)) -#define AUOK1901_INIT_FORMAT6 ((1 << 8) | (1 << 7)) -#define AUOK1901_INIT_FORMAT7 ((1 << 8) | (1 << 7) | (1 << 6)) - -/* res[4] to bit 10 - * res[3-0] to bits 5-2 - */ -#define AUOK1901_INIT_RESOLUTION(_res) (((_res & (1 << 4)) << 6) \ - | ((_res & 0xf) << 2)) - -/* - * portrait / landscape orientation in AUOK1901_CMD_DMA_START - */ -#define AUOK1901_DMA_ROTATE90(_rot) ((_rot & 1) << 13) - -/* - * equivalent to 1 << 11, needs the ~ to have same rotation like K1900 - */ -#define AUOK1901_DDMA_ROTATE180(_rot) ((~_rot & 2) << 10) - -static void auok1901_init(struct auok190xfb_par *par) -{ - struct device *dev = par->info->device; - struct auok190x_board *board = par->board; - u16 init_param = 0; - - pm_runtime_get_sync(dev); - - init_param |= AUOK190X_INIT_INVERSE_WHITE; - init_param |= AUOK190X_INIT_FORMAT0; - init_param |= AUOK1901_INIT_RESOLUTION(par->resolution); - init_param |= AUOK190X_INIT_SHIFT_LEFT; - - auok190x_send_cmdargs(par, AUOK190X_CMD_INIT, 1, &init_param); - - /* let the controller finish */ - board->wait_for_rdy(par); - - pm_runtime_mark_last_busy(dev); - pm_runtime_put_autosuspend(dev); -} - -static void auok1901_update_region(struct auok190xfb_par *par, int mode, - u16 y1, u16 y2) -{ - struct device *dev = par->info->device; - unsigned char *buf = (unsigned char *)par->info->screen_base; - int xres = par->info->var.xres; - int line_length = par->info->fix.line_length; - u16 args[5]; - - pm_runtime_get_sync(dev); - - mutex_lock(&(par->io_lock)); - - /* y1 and y2 must be a multiple of 2 so drop the lowest bit */ - y1 &= 0xfffe; - y2 &= 0xfffe; - - dev_dbg(dev, "update (x,y,w,h,mode)=(%d,%d,%d,%d,%d)\n", - 1, y1+1, xres, y2-y1, mode); - - /* K1901: first transfer the region data */ - args[0] = AUOK1901_DMA_ROTATE90(par->rotation) | 1; - args[1] = y1 + 1; - args[2] = xres; - args[3] = y2 - y1; - buf += y1 * line_length; - auok190x_send_cmdargs_pixels_nowait(par, AUOK1901_CMD_DMA_START, 4, - args, ((y2 - y1) * line_length)/2, - (u16 *) buf); - auok190x_send_command_nowait(par, AUOK190X_CMD_DATA_STOP); - - /* K1901: second tell the controller to update the region with mode */ - args[0] = mode | AUOK1901_DDMA_ROTATE180(par->rotation); - args[1] = 1; - args[2] = y1 + 1; - args[3] = xres; - args[4] = y2 - y1; - auok190x_send_cmdargs_nowait(par, AUOK1901_CMD_DDMA_START, 5, args); - - par->update_cnt++; - - mutex_unlock(&(par->io_lock)); - - pm_runtime_mark_last_busy(dev); - pm_runtime_put_autosuspend(dev); -} - -static void auok1901fb_dpy_update_pages(struct auok190xfb_par *par, - u16 y1, u16 y2) -{ - int mode; - - if (par->update_mode < 0) { - mode = AUOK190X_UPDATE_MODE(1); - par->last_mode = -1; - } else { - mode = AUOK190X_UPDATE_MODE(par->update_mode); - par->last_mode = par->update_mode; - } - - if (par->flash) - mode |= AUOK190X_UPDATE_NONFLASH; - - auok1901_update_region(par, mode, y1, y2); -} - -static void auok1901fb_dpy_update(struct auok190xfb_par *par) -{ - int mode; - - /* When doing full updates, wait for the controller to be ready - * This will hopefully catch some hangs of the K1901 - */ - par->board->wait_for_rdy(par); - - if (par->update_mode < 0) { - mode = AUOK190X_UPDATE_MODE(0); - par->last_mode = -1; - } else { - mode = AUOK190X_UPDATE_MODE(par->update_mode); - par->last_mode = par->update_mode; - } - - if (par->flash) - mode |= AUOK190X_UPDATE_NONFLASH; - - auok1901_update_region(par, mode, 0, par->info->var.yres); - par->update_cnt = 0; -} - -static bool auok1901fb_need_refresh(struct auok190xfb_par *par) -{ - return (par->update_cnt > 10); -} - -static int auok1901fb_probe(struct platform_device *pdev) -{ - struct auok190x_init_data init; - struct auok190x_board *board; - - /* pick up board specific routines */ - board = pdev->dev.platform_data; - if (!board) - return -EINVAL; - - /* fill temporary init struct for common init */ - init.id = "auo_k1901fb"; - init.board = board; - init.update_partial = auok1901fb_dpy_update_pages; - init.update_all = auok1901fb_dpy_update; - init.need_refresh = auok1901fb_need_refresh; - init.init = auok1901_init; - - return auok190x_common_probe(pdev, &init); -} - -static int auok1901fb_remove(struct platform_device *pdev) -{ - return auok190x_common_remove(pdev); -} - -static struct platform_driver auok1901fb_driver = { - .probe = auok1901fb_probe, - .remove = auok1901fb_remove, - .driver = { - .name = "auo_k1901fb", - .pm = &auok190x_pm, - }, -}; -module_platform_driver(auok1901fb_driver); - -MODULE_DESCRIPTION("framebuffer driver for the AUO-K1901 EPD controller"); -MODULE_AUTHOR("Heiko Stuebner <heiko@sntech.de>"); -MODULE_LICENSE("GPL"); diff --git a/drivers/video/fbdev/auo_k190x.c b/drivers/video/fbdev/auo_k190x.c deleted file mode 100644 index 9d24d1b3e9ef..000000000000 --- a/drivers/video/fbdev/auo_k190x.c +++ /dev/null @@ -1,1195 +0,0 @@ -/* - * Common code for AUO-K190X framebuffer drivers - * - * Copyright (C) 2012 Heiko Stuebner <heiko@sntech.de> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/module.h> -#include <linux/sched/mm.h> -#include <linux/kernel.h> -#include <linux/gpio.h> -#include <linux/platform_device.h> -#include <linux/pm_runtime.h> -#include <linux/fb.h> -#include <linux/delay.h> -#include <linux/uaccess.h> -#include <linux/vmalloc.h> -#include <linux/regulator/consumer.h> - -#include <video/auo_k190xfb.h> - -#include "auo_k190x.h" - -struct panel_info { - int w; - int h; -}; - -/* table of panel specific parameters to be indexed into by the board drivers */ -static struct panel_info panel_table[] = { - /* standard 6" */ - [AUOK190X_RESOLUTION_800_600] = { - .w = 800, - .h = 600, - }, - /* standard 9" */ - [AUOK190X_RESOLUTION_1024_768] = { - .w = 1024, - .h = 768, - }, - [AUOK190X_RESOLUTION_600_800] = { - .w = 600, - .h = 800, - }, - [AUOK190X_RESOLUTION_768_1024] = { - .w = 768, - .h = 1024, - }, -}; - -/* - * private I80 interface to the board driver - */ - -static void auok190x_issue_data(struct auok190xfb_par *par, u16 data) -{ - par->board->set_ctl(par, AUOK190X_I80_WR, 0); - par->board->set_hdb(par, data); - par->board->set_ctl(par, AUOK190X_I80_WR, 1); -} - -static void auok190x_issue_cmd(struct auok190xfb_par *par, u16 data) -{ - par->board->set_ctl(par, AUOK190X_I80_DC, 0); - auok190x_issue_data(par, data); - par->board->set_ctl(par, AUOK190X_I80_DC, 1); -} - -/** - * Conversion of 16bit color to 4bit grayscale - * does roughly (0.3 * R + 0.6 G + 0.1 B) / 2 - */ -static inline int rgb565_to_gray4(u16 data, struct fb_var_screeninfo *var) -{ - return ((((data & 0xF800) >> var->red.offset) * 77 + - ((data & 0x07E0) >> (var->green.offset + 1)) * 151 + - ((data & 0x1F) >> var->blue.offset) * 28) >> 8 >> 1); -} - -static int auok190x_issue_pixels_rgb565(struct auok190xfb_par *par, int size, - u16 *data) -{ - struct fb_var_screeninfo *var = &par->info->var; - struct device *dev = par->info->device; - int i; - u16 tmp; - - if (size & 7) { - dev_err(dev, "issue_pixels: size %d must be a multiple of 8\n", - size); - return -EINVAL; - } - - for (i = 0; i < (size >> 2); i++) { - par->board->set_ctl(par, AUOK190X_I80_WR, 0); - - tmp = (rgb565_to_gray4(data[4*i], var) & 0x000F); - tmp |= (rgb565_to_gray4(data[4*i+1], var) << 4) & 0x00F0; - tmp |= (rgb565_to_gray4(data[4*i+2], var) << 8) & 0x0F00; - tmp |= (rgb565_to_gray4(data[4*i+3], var) << 12) & 0xF000; - - par->board->set_hdb(par, tmp); - par->board->set_ctl(par, AUOK190X_I80_WR, 1); - } - - return 0; -} - -static int auok190x_issue_pixels_gray8(struct auok190xfb_par *par, int size, - u16 *data) -{ - struct device *dev = par->info->device; - int i; - u16 tmp; - - if (size & 3) { - dev_err(dev, "issue_pixels: size %d must be a multiple of 4\n", - size); - return -EINVAL; - } - - for (i = 0; i < (size >> 1); i++) { - par->board->set_ctl(par, AUOK190X_I80_WR, 0); - - /* simple reduction of 8bit staticgray to 4bit gray - * combines 4 * 4bit pixel values into a 16bit value - */ - tmp = (data[2*i] & 0xF0) >> 4; - tmp |= (data[2*i] & 0xF000) >> 8; - tmp |= (data[2*i+1] & 0xF0) << 4; - tmp |= (data[2*i+1] & 0xF000); - - par->board->set_hdb(par, tmp); - par->board->set_ctl(par, AUOK190X_I80_WR, 1); - } - - return 0; -} - -static int auok190x_issue_pixels(struct auok190xfb_par *par, int size, - u16 *data) -{ - struct fb_info *info = par->info; - struct device *dev = par->info->device; - - if (info->var.bits_per_pixel == 8 && info->var.grayscale) - auok190x_issue_pixels_gray8(par, size, data); - else if (info->var.bits_per_pixel == 16) - auok190x_issue_pixels_rgb565(par, size, data); - else - dev_err(dev, "unsupported color mode (bits: %d, gray: %d)\n", - info->var.bits_per_pixel, info->var.grayscale); - - return 0; -} - -static u16 auok190x_read_data(struct auok190xfb_par *par) -{ - u16 data; - - par->board->set_ctl(par, AUOK190X_I80_OE, 0); - data = par->board->get_hdb(par); - par->board->set_ctl(par, AUOK190X_I80_OE, 1); - - return data; -} - -/* - * Command interface for the controller drivers - */ - -void auok190x_send_command_nowait(struct auok190xfb_par *par, u16 data) -{ - par->board->set_ctl(par, AUOK190X_I80_CS, 0); - auok190x_issue_cmd(par, data); - par->board->set_ctl(par, AUOK190X_I80_CS, 1); -} -EXPORT_SYMBOL_GPL(auok190x_send_command_nowait); - -void auok190x_send_cmdargs_nowait(struct auok190xfb_par *par, u16 cmd, - int argc, u16 *argv) -{ - int i; - - par->board->set_ctl(par, AUOK190X_I80_CS, 0); - auok190x_issue_cmd(par, cmd); - - for (i = 0; i < argc; i++) - auok190x_issue_data(par, argv[i]); - par->board->set_ctl(par, AUOK190X_I80_CS, 1); -} -EXPORT_SYMBOL_GPL(auok190x_send_cmdargs_nowait); - -int auok190x_send_command(struct auok190xfb_par *par, u16 data) -{ - int ret; - - ret = par->board->wait_for_rdy(par); - if (ret) - return ret; - - auok190x_send_command_nowait(par, data); - return 0; -} -EXPORT_SYMBOL_GPL(auok190x_send_command); - -int auok190x_send_cmdargs(struct auok190xfb_par *par, u16 cmd, - int argc, u16 *argv) -{ - int ret; - - ret = par->board->wait_for_rdy(par); - if (ret) - return ret; - - auok190x_send_cmdargs_nowait(par, cmd, argc, argv); - return 0; -} -EXPORT_SYMBOL_GPL(auok190x_send_cmdargs); - -int auok190x_read_cmdargs(struct auok190xfb_par *par, u16 cmd, - int argc, u16 *argv) -{ - int i, ret; - - ret = par->board->wait_for_rdy(par); - if (ret) - return ret; - - par->board->set_ctl(par, AUOK190X_I80_CS, 0); - auok190x_issue_cmd(par, cmd); - - for (i = 0; i < argc; i++) - argv[i] = auok190x_read_data(par); - par->board->set_ctl(par, AUOK190X_I80_CS, 1); - - return 0; -} -EXPORT_SYMBOL_GPL(auok190x_read_cmdargs); - -void auok190x_send_cmdargs_pixels_nowait(struct auok190xfb_par *par, u16 cmd, - int argc, u16 *argv, int size, u16 *data) -{ - int i; - - par->board->set_ctl(par, AUOK190X_I80_CS, 0); - - auok190x_issue_cmd(par, cmd); - - for (i = 0; i < argc; i++) - auok190x_issue_data(par, argv[i]); - - auok190x_issue_pixels(par, size, data); - - par->board->set_ctl(par, AUOK190X_I80_CS, 1); -} -EXPORT_SYMBOL_GPL(auok190x_send_cmdargs_pixels_nowait); - -int auok190x_send_cmdargs_pixels(struct auok190xfb_par *par, u16 cmd, - int argc, u16 *argv, int size, u16 *data) -{ - int ret; - - ret = par->board->wait_for_rdy(par); - if (ret) - return ret; - - auok190x_send_cmdargs_pixels_nowait(par, cmd, argc, argv, size, data); - - return 0; -} -EXPORT_SYMBOL_GPL(auok190x_send_cmdargs_pixels); - -/* - * fbdefio callbacks - common on both controllers. - */ - -static void auok190xfb_dpy_first_io(struct fb_info *info) -{ - /* tell runtime-pm that we wish to use the device in a short time */ - pm_runtime_get(info->device); -} - -/* this is called back from the deferred io workqueue */ -static void auok190xfb_dpy_deferred_io(struct fb_info *info, - struct list_head *pagelist) -{ - struct fb_deferred_io *fbdefio = info->fbdefio; - struct auok190xfb_par *par = info->par; - u16 line_length = info->fix.line_length; - u16 yres = info->var.yres; - u16 y1 = 0, h = 0; - int prev_index = -1; - struct page *cur; - int h_inc; - int threshold; - - if (!list_empty(pagelist)) - /* the device resume should've been requested through first_io, - * if the resume did not finish until now, wait for it. - */ - pm_runtime_barrier(info->device); - else - /* We reached this via the fsync or some other way. - * In either case the first_io function did not run, - * so we runtime_resume the device here synchronously. - */ - pm_runtime_get_sync(info->device); - - /* Do a full screen update every n updates to prevent - * excessive darkening of the Sipix display. - * If we do this, there is no need to walk the pages. - */ - if (par->need_refresh(par)) { - par->update_all(par); - goto out; - } - - /* height increment is fixed per page */ - h_inc = DIV_ROUND_UP(PAGE_SIZE , line_length); - - /* calculate number of pages from pixel height */ - threshold = par->consecutive_threshold / h_inc; - if (threshold < 1) - threshold = 1; - - /* walk the written page list and swizzle the data */ - list_for_each_entry(cur, &fbdefio->pagelist, lru) { - if (prev_index < 0) { - /* just starting so assign first page */ - y1 = (cur->index << PAGE_SHIFT) / line_length; - h = h_inc; - } else if ((cur->index - prev_index) <= threshold) { - /* page is within our threshold for single updates */ - h += h_inc * (cur->index - prev_index); - } else { - /* page not consecutive, issue previous update first */ - par->update_partial(par, y1, y1 + h); - - /* start over with our non consecutive page */ - y1 = (cur->index << PAGE_SHIFT) / line_length; - h = h_inc; - } - prev_index = cur->index; - } - - /* if we still have any pages to update we do so now */ - if (h >= yres) - /* its a full screen update, just do it */ - par->update_all(par); - else - par->update_partial(par, y1, min((u16) (y1 + h), yres)); - -out: - pm_runtime_mark_last_busy(info->device); - pm_runtime_put_autosuspend(info->device); -} - -/* - * framebuffer operations - */ - -/* - * this is the slow path from userspace. they can seek and write to - * the fb. it's inefficient to do anything less than a full screen draw - */ -static ssize_t auok190xfb_write(struct fb_info *info, const char __user *buf, - size_t count, loff_t *ppos) -{ - struct auok190xfb_par *par = info->par; - unsigned long p = *ppos; - void *dst; - int err = 0; - unsigned long total_size; - - if (info->state != FBINFO_STATE_RUNNING) - return -EPERM; - - total_size = info->fix.smem_len; - - if (p > total_size) - return -EFBIG; - - if (count > total_size) { - err = -EFBIG; - count = total_size; - } - - if (count + p > total_size) { - if (!err) - err = -ENOSPC; - - count = total_size - p; - } - - dst = (void *)(info->screen_base + p); - - if (copy_from_user(dst, buf, count)) - err = -EFAULT; - - if (!err) - *ppos += count; - - par->update_all(par); - - return (err) ? err : count; -} - -static void auok190xfb_fillrect(struct fb_info *info, - const struct fb_fillrect *rect) -{ - struct auok190xfb_par *par = info->par; - - sys_fillrect(info, rect); - - par->update_all(par); -} - -static void auok190xfb_copyarea(struct fb_info *info, - const struct fb_copyarea *area) -{ - struct auok190xfb_par *par = info->par; - - sys_copyarea(info, area); - - par->update_all(par); -} - -static void auok190xfb_imageblit(struct fb_info *info, - const struct fb_image *image) -{ - struct auok190xfb_par *par = info->par; - - sys_imageblit(info, image); - - par->update_all(par); -} - -static int auok190xfb_check_var(struct fb_var_screeninfo *var, - struct fb_info *info) -{ - struct device *dev = info->device; - struct auok190xfb_par *par = info->par; - struct panel_info *panel = &panel_table[par->resolution]; - int size; - - /* - * Color depth - */ - - if (var->bits_per_pixel == 8 && var->grayscale == 1) { - /* - * For 8-bit grayscale, R, G, and B offset are equal. - */ - var->red.length = 8; - var->red.offset = 0; - var->red.msb_right = 0; - - var->green.length = 8; - var->green.offset = 0; - var->green.msb_right = 0; - - var->blue.length = 8; - var->blue.offset = 0; - var->blue.msb_right = 0; - - var->transp.length = 0; - var->transp.offset = 0; - var->transp.msb_right = 0; - } else if (var->bits_per_pixel == 16) { - var->red.length = 5; - var->red.offset = 11; - var->red.msb_right = 0; - - var->green.length = 6; - var->green.offset = 5; - var->green.msb_right = 0; - - var->blue.length = 5; - var->blue.offset = 0; - var->blue.msb_right = 0; - - var->transp.length = 0; - var->transp.offset = 0; - var->transp.msb_right = 0; - } else { - dev_warn(dev, "unsupported color mode (bits: %d, grayscale: %d)\n", - info->var.bits_per_pixel, info->var.grayscale); - return -EINVAL; - } - - /* - * Dimensions - */ - - switch (var->rotate) { - case FB_ROTATE_UR: - case FB_ROTATE_UD: - var->xres = panel->w; - var->yres = panel->h; - break; - case FB_ROTATE_CW: - case FB_ROTATE_CCW: - var->xres = panel->h; - var->yres = panel->w; - break; - default: - dev_dbg(dev, "Invalid rotation request\n"); - return -EINVAL; - } - - var->xres_virtual = var->xres; - var->yres_virtual = var->yres; - - /* - * Memory limit - */ - - size = var->xres_virtual * var->yres_virtual * var->bits_per_pixel / 8; - if (size > info->fix.smem_len) { - dev_err(dev, "Memory limit exceeded, requested %dK\n", - size >> 10); - return -ENOMEM; - } - - return 0; -} - -static int auok190xfb_set_fix(struct fb_info *info) -{ - struct fb_fix_screeninfo *fix = &info->fix; - struct fb_var_screeninfo *var = &info->var; - - fix->line_length = var->xres_virtual * var->bits_per_pixel / 8; - - fix->type = FB_TYPE_PACKED_PIXELS; - fix->accel = FB_ACCEL_NONE; - fix->visual = (var->grayscale) ? FB_VISUAL_STATIC_PSEUDOCOLOR - : FB_VISUAL_TRUECOLOR; - fix->xpanstep = 0; - fix->ypanstep = 0; - fix->ywrapstep = 0; - - return 0; -} - -static int auok190xfb_set_par(struct fb_info *info) -{ - struct auok190xfb_par *par = info->par; - - par->rotation = info->var.rotate; - auok190xfb_set_fix(info); - - /* reinit the controller to honor the rotation */ - par->init(par); - - /* wait for init to complete */ - par->board->wait_for_rdy(par); - - return 0; -} - -static struct fb_ops auok190xfb_ops = { - .owner = THIS_MODULE, - .fb_read = fb_sys_read, - .fb_write = auok190xfb_write, - .fb_fillrect = auok190xfb_fillrect, - .fb_copyarea = auok190xfb_copyarea, - .fb_imageblit = auok190xfb_imageblit, - .fb_check_var = auok190xfb_check_var, - .fb_set_par = auok190xfb_set_par, -}; - -/* - * Controller-functions common to both K1900 and K1901 - */ - -static int auok190x_read_temperature(struct auok190xfb_par *par) -{ - struct device *dev = par->info->device; - u16 data[4]; - int temp; - - pm_runtime_get_sync(dev); - - mutex_lock(&(par->io_lock)); - - auok190x_read_cmdargs(par, AUOK190X_CMD_READ_VERSION, 4, data); - - mutex_unlock(&(par->io_lock)); - - pm_runtime_mark_last_busy(dev); - pm_runtime_put_autosuspend(dev); - - /* sanitize and split of half-degrees for now */ - temp = ((data[0] & AUOK190X_VERSION_TEMP_MASK) >> 1); - - /* handle positive and negative temperatures */ - if (temp >= 201) - return (255 - temp + 1) * (-1); - else - return temp; -} - -static void auok190x_identify(struct auok190xfb_par *par) -{ - struct device *dev = par->info->device; - u16 data[4]; - - pm_runtime_get_sync(dev); - - mutex_lock(&(par->io_lock)); - - auok190x_read_cmdargs(par, AUOK190X_CMD_READ_VERSION, 4, data); - - mutex_unlock(&(par->io_lock)); - - par->epd_type = data[1] & AUOK190X_VERSION_TEMP_MASK; - - par->panel_size_int = AUOK190X_VERSION_SIZE_INT(data[2]); - par->panel_size_float = AUOK190X_VERSION_SIZE_FLOAT(data[2]); - par->panel_model = AUOK190X_VERSION_MODEL(data[2]); - - par->tcon_version = AUOK190X_VERSION_TCON(data[3]); - par->lut_version = AUOK190X_VERSION_LUT(data[3]); - - dev_dbg(dev, "panel %d.%din, model 0x%x, EPD 0x%x TCON-rev 0x%x, LUT-rev 0x%x", - par->panel_size_int, par->panel_size_float, par->panel_model, - par->epd_type, par->tcon_version, par->lut_version); - - pm_runtime_mark_last_busy(dev); - pm_runtime_put_autosuspend(dev); -} - -/* - * Sysfs functions - */ - -static ssize_t update_mode_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct fb_info *info = dev_get_drvdata(dev); - struct auok190xfb_par *par = info->par; - - return sprintf(buf, "%d\n", par->update_mode); -} - -static ssize_t update_mode_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct fb_info *info = dev_get_drvdata(dev); - struct auok190xfb_par *par = info->par; - int mode, ret; - - ret = kstrtoint(buf, 10, &mode); - if (ret) - return ret; - - par->update_mode = mode; - - /* if we enter a better mode, do a full update */ - if (par->last_mode > 1 && mode < par->last_mode) - par->update_all(par); - - return count; -} - -static ssize_t flash_show(struct device *dev, struct device_attribute *attr, - char *buf) -{ - struct fb_info *info = dev_get_drvdata(dev); - struct auok190xfb_par *par = info->par; - - return sprintf(buf, "%d\n", par->flash); -} - -static ssize_t flash_store(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct fb_info *info = dev_get_drvdata(dev); - struct auok190xfb_par *par = info->par; - int flash, ret; - - ret = kstrtoint(buf, 10, &flash); - if (ret) - return ret; - - if (flash > 0) - par->flash = 1; - else - par->flash = 0; - - return count; -} - -static ssize_t temp_show(struct device *dev, struct device_attribute *attr, - char *buf) -{ - struct fb_info *info = dev_get_drvdata(dev); - struct auok190xfb_par *par = info->par; - int temp; - - temp = auok190x_read_temperature(par); - return sprintf(buf, "%d\n", temp); -} - -static DEVICE_ATTR_RW(update_mode); -static DEVICE_ATTR_RW(flash); -static DEVICE_ATTR(temp, 0644, temp_show, NULL); - -static struct attribute *auok190x_attributes[] = { - &dev_attr_update_mode.attr, - &dev_attr_flash.attr, - &dev_attr_temp.attr, - NULL -}; - -static const struct attribute_group auok190x_attr_group = { - .attrs = auok190x_attributes, -}; - -static int auok190x_power(struct auok190xfb_par *par, bool on) -{ - struct auok190x_board *board = par->board; - int ret; - - if (on) { - /* We should maintain POWER up for at least 80ms before set - * RST_N and SLP_N to high (TCON spec 20100803_v35 p59) - */ - ret = regulator_enable(par->regulator); - if (ret) - return ret; - - msleep(200); - gpio_set_value(board->gpio_nrst, 1); - gpio_set_value(board->gpio_nsleep, 1); - msleep(200); - } else { - regulator_disable(par->regulator); - gpio_set_value(board->gpio_nrst, 0); - gpio_set_value(board->gpio_nsleep, 0); - } - - return 0; -} - -/* - * Recovery - powercycle the controller - */ - -static void auok190x_recover(struct auok190xfb_par *par) -{ - struct device *dev = par->info->device; - - auok190x_power(par, 0); - msleep(100); - auok190x_power(par, 1); - - /* after powercycling the device, it's always active */ - pm_runtime_set_active(dev); - par->standby = 0; - - par->init(par); - - /* wait for init to complete */ - par->board->wait_for_rdy(par); -} - -/* - * Power-management - */ -static int __maybe_unused auok190x_runtime_suspend(struct device *dev) -{ - struct platform_device *pdev = to_platform_device(dev); - struct fb_info *info = platform_get_drvdata(pdev); - struct auok190xfb_par *par = info->par; - struct auok190x_board *board = par->board; - u16 standby_param; - - /* take and keep the lock until we are resumed, as the controller - * will never reach the non-busy state when in standby mode - */ - mutex_lock(&(par->io_lock)); - - if (par->standby) { - dev_warn(dev, "already in standby, runtime-pm pairing mismatch\n"); - mutex_unlock(&(par->io_lock)); - return 0; - } - - /* according to runtime_pm.txt runtime_suspend only means, that the - * device will not process data and will not communicate with the CPU - * As we hold the lock, this stays true even without standby - */ - if (board->quirks & AUOK190X_QUIRK_STANDBYBROKEN) { - dev_dbg(dev, "runtime suspend without standby\n"); - goto finish; - } else if (board->quirks & AUOK190X_QUIRK_STANDBYPARAM) { - /* for some TCON versions STANDBY expects a parameter (0) but - * it seems the real tcon version has to be determined yet. - */ - dev_dbg(dev, "runtime suspend with additional empty param\n"); - standby_param = 0; - auok190x_send_cmdargs(par, AUOK190X_CMD_STANDBY, 1, - &standby_param); - } else { - dev_dbg(dev, "runtime suspend without param\n"); - auok190x_send_command(par, AUOK190X_CMD_STANDBY); - } - - msleep(64); - -finish: - par->standby = 1; - - return 0; -} - -static int __maybe_unused auok190x_runtime_resume(struct device *dev) -{ - struct platform_device *pdev = to_platform_device(dev); - struct fb_info *info = platform_get_drvdata(pdev); - struct auok190xfb_par *par = info->par; - struct auok190x_board *board = par->board; - - if (!par->standby) { - dev_warn(dev, "not in standby, runtime-pm pairing mismatch\n"); - return 0; - } - - if (board->quirks & AUOK190X_QUIRK_STANDBYBROKEN) { - dev_dbg(dev, "runtime resume without standby\n"); - } else { - /* when in standby, controller is always busy - * and only accepts the wakeup command - */ - dev_dbg(dev, "runtime resume from standby\n"); - auok190x_send_command_nowait(par, AUOK190X_CMD_WAKEUP); - - msleep(160); - - /* wait for the controller to be ready and release the lock */ - board->wait_for_rdy(par); - } - - par->standby = 0; - - mutex_unlock(&(par->io_lock)); - - return 0; -} - -static int __maybe_unused auok190x_suspend(struct device *dev) -{ - struct platform_device *pdev = to_platform_device(dev); - struct fb_info *info = platform_get_drvdata(pdev); - struct auok190xfb_par *par = info->par; - struct auok190x_board *board = par->board; - int ret; - - dev_dbg(dev, "suspend\n"); - if (board->quirks & AUOK190X_QUIRK_STANDBYBROKEN) { - /* suspend via powering off the ic */ - dev_dbg(dev, "suspend with broken standby\n"); - - auok190x_power(par, 0); - } else { - dev_dbg(dev, "suspend using sleep\n"); - - /* the sleep state can only be entered from the standby state. - * pm_runtime_get_noresume gets called before the suspend call. - * So the devices usage count is >0 but it is not necessarily - * active. - */ - if (!pm_runtime_status_suspended(dev)) { - ret = auok190x_runtime_suspend(dev); - if (ret < 0) { - dev_err(dev, "auok190x_runtime_suspend failed with %d\n", - ret); - return ret; - } - par->manual_standby = 1; - } - - gpio_direction_output(board->gpio_nsleep, 0); - } - - msleep(100); - - return 0; -} - -static int __maybe_unused auok190x_resume(struct device *dev) -{ - struct platform_device *pdev = to_platform_device(dev); - struct fb_info *info = platform_get_drvdata(pdev); - struct auok190xfb_par *par = info->par; - struct auok190x_board *board = par->board; - - dev_dbg(dev, "resume\n"); - if (board->quirks & AUOK190X_QUIRK_STANDBYBROKEN) { - dev_dbg(dev, "resume with broken standby\n"); - - auok190x_power(par, 1); - - par->init(par); - } else { - dev_dbg(dev, "resume from sleep\n"); - - /* device should be in runtime suspend when we were suspended - * and pm_runtime_put_sync gets called after this function. - * So there is no need to touch the standby mode here at all. - */ - gpio_direction_output(board->gpio_nsleep, 1); - msleep(100); - - /* an additional init call seems to be necessary after sleep */ - auok190x_runtime_resume(dev); - par->init(par); - - /* if we were runtime-suspended before, suspend again*/ - if (!par->manual_standby) - auok190x_runtime_suspend(dev); - else - par->manual_standby = 0; - } - - return 0; -} - -const struct dev_pm_ops auok190x_pm = { - SET_RUNTIME_PM_OPS(auok190x_runtime_suspend, auok190x_runtime_resume, - NULL) - SET_SYSTEM_SLEEP_PM_OPS(auok190x_suspend, auok190x_resume) -}; -EXPORT_SYMBOL_GPL(auok190x_pm); - -/* - * Common probe and remove code - */ - -int auok190x_common_probe(struct platform_device *pdev, - struct auok190x_init_data *init) -{ - struct auok190x_board *board = init->board; - struct auok190xfb_par *par; - struct fb_info *info; - struct panel_info *panel; - int videomemorysize, ret; - unsigned char *videomemory; - - /* check board contents */ - if (!board->init || !board->cleanup || !board->wait_for_rdy - || !board->set_ctl || !board->set_hdb || !board->get_hdb - || !board->setup_irq) - return -EINVAL; - - info = framebuffer_alloc(sizeof(struct auok190xfb_par), &pdev->dev); - if (!info) - return -ENOMEM; - - par = info->par; - par->info = info; - par->board = board; - par->recover = auok190x_recover; - par->update_partial = init->update_partial; - par->update_all = init->update_all; - par->need_refresh = init->need_refresh; - par->init = init->init; - - /* init update modes */ - par->update_cnt = 0; - par->update_mode = -1; - par->last_mode = -1; - par->flash = 0; - - par->regulator = regulator_get(info->device, "vdd"); - if (IS_ERR(par->regulator)) { - ret = PTR_ERR(par->regulator); - dev_err(info->device, "Failed to get regulator: %d\n", ret); - goto err_reg; - } - - ret = board->init(par); - if (ret) { - dev_err(info->device, "board init failed, %d\n", ret); - goto err_board; - } - - ret = gpio_request(board->gpio_nsleep, "AUOK190x sleep"); - if (ret) { - dev_err(info->device, "could not request sleep gpio, %d\n", - ret); - goto err_gpio1; - } - - ret = gpio_direction_output(board->gpio_nsleep, 0); - if (ret) { - dev_err(info->device, "could not set sleep gpio, %d\n", ret); - goto err_gpio2; - } - - ret = gpio_request(board->gpio_nrst, "AUOK190x reset"); - if (ret) { - dev_err(info->device, "could not request reset gpio, %d\n", - ret); - goto err_gpio2; - } - - ret = gpio_direction_output(board->gpio_nrst, 0); - if (ret) { - dev_err(info->device, "could not set reset gpio, %d\n", ret); - goto err_gpio3; - } - - ret = auok190x_power(par, 1); - if (ret) { - dev_err(info->device, "could not power on the device, %d\n", - ret); - goto err_gpio3; - } - - mutex_init(&par->io_lock); - - init_waitqueue_head(&par->waitq); - - ret = par->board->setup_irq(par->info); - if (ret) { - dev_err(info->device, "could not setup ready-irq, %d\n", ret); - goto err_irq; - } - - /* wait for init to complete */ - par->board->wait_for_rdy(par); - - /* - * From here on the controller can talk to us - */ - - /* initialise fix, var, resolution and rotation */ - - strlcpy(info->fix.id, init->id, 16); - info->var.bits_per_pixel = 8; - info->var.grayscale = 1; - - panel = &panel_table[board->resolution]; - - par->resolution = board->resolution; - par->rotation = 0; - - /* videomemory handling */ - - videomemorysize = roundup((panel->w * panel->h) * 2, PAGE_SIZE); - videomemory = vzalloc(videomemorysize); - if (!videomemory) { - ret = -ENOMEM; - goto err_irq; - } - - info->screen_base = (char *)videomemory; - info->fix.smem_len = videomemorysize; - - info->flags = FBINFO_FLAG_DEFAULT | FBINFO_VIRTFB; - info->fbops = &auok190xfb_ops; - - ret = auok190xfb_check_var(&info->var, info); - if (ret) - goto err_defio; - - auok190xfb_set_fix(info); - - /* deferred io init */ - - info->fbdefio = devm_kzalloc(info->device, - sizeof(struct fb_deferred_io), - GFP_KERNEL); - if (!info->fbdefio) { - dev_err(info->device, "Failed to allocate memory\n"); - ret = -ENOMEM; - goto err_defio; - } - - dev_dbg(info->device, "targeting %d frames per second\n", board->fps); - info->fbdefio->delay = HZ / board->fps; - info->fbdefio->first_io = auok190xfb_dpy_first_io, - info->fbdefio->deferred_io = auok190xfb_dpy_deferred_io, - fb_deferred_io_init(info); - - /* color map */ - - ret = fb_alloc_cmap(&info->cmap, 256, 0); - if (ret < 0) { - dev_err(info->device, "Failed to allocate colormap\n"); - goto err_cmap; - } - - /* controller init */ - - par->consecutive_threshold = 100; - par->init(par); - auok190x_identify(par); - - platform_set_drvdata(pdev, info); - - ret = register_framebuffer(info); - if (ret < 0) - goto err_regfb; - - ret = sysfs_create_group(&info->device->kobj, &auok190x_attr_group); - if (ret) - goto err_sysfs; - - dev_info(info->device, "fb%d: %dx%d using %dK of video memory\n", - info->node, info->var.xres, info->var.yres, - videomemorysize >> 10); - - /* increase autosuspend_delay when we use alternative methods - * for runtime_pm - */ - par->autosuspend_delay = (board->quirks & AUOK190X_QUIRK_STANDBYBROKEN) - ? 1000 : 200; - - pm_runtime_set_active(info->device); - pm_runtime_enable(info->device); - pm_runtime_set_autosuspend_delay(info->device, par->autosuspend_delay); - pm_runtime_use_autosuspend(info->device); - - return 0; - -err_sysfs: - unregister_framebuffer(info); -err_regfb: - fb_dealloc_cmap(&info->cmap); -err_cmap: - fb_deferred_io_cleanup(info); -err_defio: - vfree((void *)info->screen_base); -err_irq: - auok190x_power(par, 0); -err_gpio3: - gpio_free(board->gpio_nrst); -err_gpio2: - gpio_free(board->gpio_nsleep); -err_gpio1: - board->cleanup(par); -err_board: - regulator_put(par->regulator); -err_reg: - framebuffer_release(info); - - return ret; -} -EXPORT_SYMBOL_GPL(auok190x_common_probe); - -int auok190x_common_remove(struct platform_device *pdev) -{ - struct fb_info *info = platform_get_drvdata(pdev); - struct auok190xfb_par *par = info->par; - struct auok190x_board *board = par->board; - - pm_runtime_disable(info->device); - - sysfs_remove_group(&info->device->kobj, &auok190x_attr_group); - - unregister_framebuffer(info); - - fb_dealloc_cmap(&info->cmap); - - fb_deferred_io_cleanup(info); - - vfree((void *)info->screen_base); - - auok190x_power(par, 0); - - gpio_free(board->gpio_nrst); - gpio_free(board->gpio_nsleep); - - board->cleanup(par); - - regulator_put(par->regulator); - - framebuffer_release(info); - - return 0; -} -EXPORT_SYMBOL_GPL(auok190x_common_remove); - -MODULE_DESCRIPTION("Common code for AUO-K190X controllers"); -MODULE_AUTHOR("Heiko Stuebner <heiko@sntech.de>"); -MODULE_LICENSE("GPL"); diff --git a/drivers/video/fbdev/auo_k190x.h b/drivers/video/fbdev/auo_k190x.h deleted file mode 100644 index e35af1f51b28..000000000000 --- a/drivers/video/fbdev/auo_k190x.h +++ /dev/null @@ -1,129 +0,0 @@ -/* - * Private common definitions for AUO-K190X framebuffer drivers - * - * Copyright (C) 2012 Heiko Stuebner <heiko@sntech.de> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -/* - * I80 interface specific defines - */ - -#define AUOK190X_I80_CS 0x01 -#define AUOK190X_I80_DC 0x02 -#define AUOK190X_I80_WR 0x03 -#define AUOK190X_I80_OE 0x04 - -/* - * AUOK190x commands, common to both controllers - */ - -#define AUOK190X_CMD_INIT 0x0000 -#define AUOK190X_CMD_STANDBY 0x0001 -#define AUOK190X_CMD_WAKEUP 0x0002 -#define AUOK190X_CMD_TCON_RESET 0x0003 -#define AUOK190X_CMD_DATA_STOP 0x1002 -#define AUOK190X_CMD_LUT_START 0x1003 -#define AUOK190X_CMD_DISP_REFRESH 0x1004 -#define AUOK190X_CMD_DISP_RESET 0x1005 -#define AUOK190X_CMD_PRE_DISPLAY_START 0x100D -#define AUOK190X_CMD_PRE_DISPLAY_STOP 0x100F -#define AUOK190X_CMD_FLASH_W 0x2000 -#define AUOK190X_CMD_FLASH_E 0x2001 -#define AUOK190X_CMD_FLASH_STS 0x2002 -#define AUOK190X_CMD_FRAMERATE 0x3000 -#define AUOK190X_CMD_READ_VERSION 0x4000 -#define AUOK190X_CMD_READ_STATUS 0x4001 -#define AUOK190X_CMD_READ_LUT 0x4003 -#define AUOK190X_CMD_DRIVERTIMING 0x5000 -#define AUOK190X_CMD_LBALANCE 0x5001 -#define AUOK190X_CMD_AGINGMODE 0x6000 -#define AUOK190X_CMD_AGINGEXIT 0x6001 - -/* - * Common settings for AUOK190X_CMD_INIT - */ - -#define AUOK190X_INIT_DATA_FILTER (0 << 12) -#define AUOK190X_INIT_DATA_BYPASS (1 << 12) -#define AUOK190X_INIT_INVERSE_WHITE (0 << 9) -#define AUOK190X_INIT_INVERSE_BLACK (1 << 9) -#define AUOK190X_INIT_SCAN_DOWN (0 << 1) -#define AUOK190X_INIT_SCAN_UP (1 << 1) -#define AUOK190X_INIT_SHIFT_LEFT (0 << 0) -#define AUOK190X_INIT_SHIFT_RIGHT (1 << 0) - -/* Common bits to pixels - * Mode 15-12 11-8 7-4 3-0 - * format0 4 3 2 1 - * format1 3 4 1 2 - */ - -#define AUOK190X_INIT_FORMAT0 0 -#define AUOK190X_INIT_FORMAT1 (1 << 6) - -/* - * settings for AUOK190X_CMD_RESET - */ - -#define AUOK190X_RESET_TCON (0 << 0) -#define AUOK190X_RESET_NORMAL (1 << 0) -#define AUOK190X_RESET_PON (1 << 1) - -/* - * AUOK190X_CMD_VERSION - */ - -#define AUOK190X_VERSION_TEMP_MASK (0x1ff) -#define AUOK190X_VERSION_EPD_MASK (0xff) -#define AUOK190X_VERSION_SIZE_INT(_val) ((_val & 0xfc00) >> 10) -#define AUOK190X_VERSION_SIZE_FLOAT(_val) ((_val & 0x3c0) >> 6) -#define AUOK190X_VERSION_MODEL(_val) (_val & 0x3f) -#define AUOK190X_VERSION_LUT(_val) (_val & 0xff) -#define AUOK190X_VERSION_TCON(_val) ((_val & 0xff00) >> 8) - -/* - * update modes for CMD_PARTIALDISP on K1900 and CMD_DDMA on K1901 - */ - -#define AUOK190X_UPDATE_MODE(_res) ((_res & 0x7) << 12) -#define AUOK190X_UPDATE_NONFLASH (1 << 15) - -/* - * track panel specific parameters for common init - */ - -struct auok190x_init_data { - char *id; - struct auok190x_board *board; - - void (*update_partial)(struct auok190xfb_par *par, u16 y1, u16 y2); - void (*update_all)(struct auok190xfb_par *par); - bool (*need_refresh)(struct auok190xfb_par *par); - void (*init)(struct auok190xfb_par *par); -}; - - -extern void auok190x_send_command_nowait(struct auok190xfb_par *par, u16 data); -extern int auok190x_send_command(struct auok190xfb_par *par, u16 data); -extern void auok190x_send_cmdargs_nowait(struct auok190xfb_par *par, u16 cmd, - int argc, u16 *argv); -extern int auok190x_send_cmdargs(struct auok190xfb_par *par, u16 cmd, - int argc, u16 *argv); -extern void auok190x_send_cmdargs_pixels_nowait(struct auok190xfb_par *par, - u16 cmd, int argc, u16 *argv, - int size, u16 *data); -extern int auok190x_send_cmdargs_pixels(struct auok190xfb_par *par, u16 cmd, - int argc, u16 *argv, int size, - u16 *data); -extern int auok190x_read_cmdargs(struct auok190xfb_par *par, u16 cmd, - int argc, u16 *argv); - -extern int auok190x_common_probe(struct platform_device *pdev, - struct auok190x_init_data *init); -extern int auok190x_common_remove(struct platform_device *pdev); - -extern const struct dev_pm_ops auok190x_pm; diff --git a/drivers/video/fbdev/core/fb_defio.c b/drivers/video/fbdev/core/fb_defio.c index 487d5e336e1b..82c20c6047b0 100644 --- a/drivers/video/fbdev/core/fb_defio.c +++ b/drivers/video/fbdev/core/fb_defio.c @@ -37,7 +37,7 @@ static struct page *fb_deferred_io_page(struct fb_info *info, unsigned long offs } /* this is to find and return the vmalloc-ed fb pages */ -static int fb_deferred_io_fault(struct vm_fault *vmf) +static vm_fault_t fb_deferred_io_fault(struct vm_fault *vmf) { unsigned long offset; struct page *page; @@ -90,7 +90,7 @@ int fb_deferred_io_fsync(struct file *file, loff_t start, loff_t end, int datasy EXPORT_SYMBOL_GPL(fb_deferred_io_fsync); /* vm_ops->page_mkwrite handler */ -static int fb_deferred_io_mkwrite(struct vm_fault *vmf) +static vm_fault_t fb_deferred_io_mkwrite(struct vm_fault *vmf) { struct page *page = vmf->page; struct fb_info *info = vmf->vma->vm_private_data; diff --git a/drivers/video/fbdev/mmp/fb/mmpfb.c b/drivers/video/fbdev/mmp/fb/mmpfb.c index f27697e07c55..ee212be67dc6 100644 --- a/drivers/video/fbdev/mmp/fb/mmpfb.c +++ b/drivers/video/fbdev/mmp/fb/mmpfb.c @@ -495,10 +495,9 @@ static int modes_setup(struct mmpfb_info *fbi) /* put videomode list to info structure */ videomodes = kcalloc(videomode_num, sizeof(struct fb_videomode), GFP_KERNEL); - if (!videomodes) { - dev_err(fbi->dev, "can't malloc video modes\n"); + if (!videomodes) return -ENOMEM; - } + for (i = 0; i < videomode_num; i++) mmpmode_to_fbmode(&videomodes[i], &mmp_modes[i]); fb_videomode_to_modelist(videomodes, videomode_num, &info->modelist); diff --git a/drivers/video/fbdev/mmp/hw/mmp_ctrl.c b/drivers/video/fbdev/mmp/hw/mmp_ctrl.c index b6f83d5df9fd..fcdbb2df137f 100644 --- a/drivers/video/fbdev/mmp/hw/mmp_ctrl.c +++ b/drivers/video/fbdev/mmp/hw/mmp_ctrl.c @@ -406,12 +406,10 @@ static int path_init(struct mmphw_path_plat *path_plat, dev_info(ctrl->dev, "%s: %s\n", __func__, config->name); /* init driver data */ - path_info = kzalloc(sizeof(struct mmp_path_info), GFP_KERNEL); - if (!path_info) { - dev_err(ctrl->dev, "%s: unable to alloc path_info for %s\n", - __func__, config->name); + path_info = kzalloc(sizeof(*path_info), GFP_KERNEL); + if (!path_info) return 0; - } + path_info->name = config->name; path_info->id = path_plat->id; path_info->dev = ctrl->dev; diff --git a/drivers/video/fbdev/nvidia/nvidia.c b/drivers/video/fbdev/nvidia/nvidia.c index 2e50120bcfae..fbeeed5afe35 100644 --- a/drivers/video/fbdev/nvidia/nvidia.c +++ b/drivers/video/fbdev/nvidia/nvidia.c @@ -1548,7 +1548,7 @@ MODULE_PARM_DESC(noaccel, "(default=0)"); module_param(noscale, int, 0); MODULE_PARM_DESC(noscale, - "Disables screen scaleing. (0 or 1=disable) " + "Disables screen scaling. (0 or 1=disable) " "(default=0, do scaling)"); module_param(paneltweak, int, 0); MODULE_PARM_DESC(paneltweak, diff --git a/drivers/video/fbdev/omap/lcd_ams_delta.c b/drivers/video/fbdev/omap/lcd_ams_delta.c index a4ee947006c7..e8c748a0dfe2 100644 --- a/drivers/video/fbdev/omap/lcd_ams_delta.c +++ b/drivers/video/fbdev/omap/lcd_ams_delta.c @@ -197,3 +197,7 @@ static struct platform_driver ams_delta_panel_driver = { }; module_platform_driver(ams_delta_panel_driver); + +MODULE_AUTHOR("Jonathan McDowell <noodles@earth.li>"); +MODULE_DESCRIPTION("LCD panel support for the Amstrad E3 (Delta) videophone"); +MODULE_LICENSE("GPL"); diff --git a/drivers/video/fbdev/omap/lcd_h3.c b/drivers/video/fbdev/omap/lcd_h3.c index 796f4634c4c6..fd0ac997fb8c 100644 --- a/drivers/video/fbdev/omap/lcd_h3.c +++ b/drivers/video/fbdev/omap/lcd_h3.c @@ -89,3 +89,7 @@ static struct platform_driver h3_panel_driver = { }; module_platform_driver(h3_panel_driver); + +MODULE_AUTHOR("Imre Deak"); +MODULE_DESCRIPTION("LCD panel support for the TI OMAP H3 board"); +MODULE_LICENSE("GPL"); diff --git a/drivers/video/fbdev/omap/lcd_htcherald.c b/drivers/video/fbdev/omap/lcd_htcherald.c index 9d692f5b8025..db4ff1c6add9 100644 --- a/drivers/video/fbdev/omap/lcd_htcherald.c +++ b/drivers/video/fbdev/omap/lcd_htcherald.c @@ -66,3 +66,7 @@ static struct platform_driver htcherald_panel_driver = { }; module_platform_driver(htcherald_panel_driver); + +MODULE_AUTHOR("Cory Maccarrone"); +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("LCD panel support for the HTC Herald"); diff --git a/drivers/video/fbdev/omap/lcd_inn1510.c b/drivers/video/fbdev/omap/lcd_inn1510.c index b284050f5471..1ea775f17bc1 100644 --- a/drivers/video/fbdev/omap/lcd_inn1510.c +++ b/drivers/video/fbdev/omap/lcd_inn1510.c @@ -73,3 +73,7 @@ static struct platform_driver innovator1510_panel_driver = { }; module_platform_driver(innovator1510_panel_driver); + +MODULE_AUTHOR("Imre Deak"); +MODULE_DESCRIPTION("LCD panel support for the TI OMAP1510 Innovator board"); +MODULE_LICENSE("GPL"); diff --git a/drivers/video/fbdev/omap/lcd_inn1610.c b/drivers/video/fbdev/omap/lcd_inn1610.c index 1841710e796f..8d0cf68d2de3 100644 --- a/drivers/video/fbdev/omap/lcd_inn1610.c +++ b/drivers/video/fbdev/omap/lcd_inn1610.c @@ -106,3 +106,7 @@ static struct platform_driver innovator1610_panel_driver = { }; module_platform_driver(innovator1610_panel_driver); + +MODULE_AUTHOR("Imre Deak"); +MODULE_DESCRIPTION("LCD panel support for the TI OMAP1610 Innovator board"); +MODULE_LICENSE("GPL"); diff --git a/drivers/video/fbdev/omap/lcd_osk.c b/drivers/video/fbdev/omap/lcd_osk.c index b0be5771fe90..9fc43a14957d 100644 --- a/drivers/video/fbdev/omap/lcd_osk.c +++ b/drivers/video/fbdev/omap/lcd_osk.c @@ -93,3 +93,7 @@ static struct platform_driver osk_panel_driver = { }; module_platform_driver(osk_panel_driver); + +MODULE_AUTHOR("Imre Deak"); +MODULE_DESCRIPTION("LCD panel support for the TI OMAP OSK board"); +MODULE_LICENSE("GPL"); diff --git a/drivers/video/fbdev/omap/lcd_palmte.c b/drivers/video/fbdev/omap/lcd_palmte.c index cef96386cf80..a0e888643131 100644 --- a/drivers/video/fbdev/omap/lcd_palmte.c +++ b/drivers/video/fbdev/omap/lcd_palmte.c @@ -59,3 +59,7 @@ static struct platform_driver palmte_panel_driver = { }; module_platform_driver(palmte_panel_driver); + +MODULE_AUTHOR("Romain Goyet <r.goyet@gmail.com>, Laurent Gonzalez <palmte.linux@free.fr>"); +MODULE_DESCRIPTION("LCD panel support for the Palm Tungsten E"); +MODULE_LICENSE("GPL"); diff --git a/drivers/video/fbdev/omap/lcd_palmtt.c b/drivers/video/fbdev/omap/lcd_palmtt.c index 627f13dae5ad..2c45375e456f 100644 --- a/drivers/video/fbdev/omap/lcd_palmtt.c +++ b/drivers/video/fbdev/omap/lcd_palmtt.c @@ -72,3 +72,7 @@ static struct platform_driver palmtt_panel_driver = { }; module_platform_driver(palmtt_panel_driver); + +MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>"); +MODULE_DESCRIPTION("LCD panel support for Palm Tungsten|T"); +MODULE_LICENSE("GPL"); diff --git a/drivers/video/fbdev/omap/lcd_palmz71.c b/drivers/video/fbdev/omap/lcd_palmz71.c index c46d4db1f839..c99a15ab1826 100644 --- a/drivers/video/fbdev/omap/lcd_palmz71.c +++ b/drivers/video/fbdev/omap/lcd_palmz71.c @@ -66,3 +66,7 @@ static struct platform_driver palmz71_panel_driver = { }; module_platform_driver(palmz71_panel_driver); + +MODULE_AUTHOR("Romain Goyet, Laurent Gonzalez, Marek Vasut"); +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("LCD panel support for the Palm Zire71"); diff --git a/drivers/video/fbdev/omap/omapfb_main.c b/drivers/video/fbdev/omap/omapfb_main.c index 3479a47a3082..585f39efcff6 100644 --- a/drivers/video/fbdev/omap/omapfb_main.c +++ b/drivers/video/fbdev/omap/omapfb_main.c @@ -1645,7 +1645,7 @@ static int omapfb_do_probe(struct platform_device *pdev, goto cleanup; } - fbdev = kzalloc(sizeof(struct omapfb_device), GFP_KERNEL); + fbdev = kzalloc(sizeof(*fbdev), GFP_KERNEL); if (fbdev == NULL) { dev_err(&pdev->dev, "unable to allocate memory for device info\n"); diff --git a/drivers/video/fbdev/omap2/omapfb/Kconfig b/drivers/video/fbdev/omap2/omapfb/Kconfig index e6226aeed17e..3bf154e676d1 100644 --- a/drivers/video/fbdev/omap2/omapfb/Kconfig +++ b/drivers/video/fbdev/omap2/omapfb/Kconfig @@ -5,6 +5,7 @@ menuconfig FB_OMAP2 tristate "OMAP2+ frame buffer support" depends on FB depends on DRM_OMAP = n + depends on GPIOLIB select FB_OMAP2_DSS select OMAP2_VRFB if ARCH_OMAP2 || ARCH_OMAP3 diff --git a/drivers/video/fbdev/omap2/omapfb/displays/panel-dsi-cm.c b/drivers/video/fbdev/omap2/omapfb/displays/panel-dsi-cm.c index bef431530090..87497a00241f 100644 --- a/drivers/video/fbdev/omap2/omapfb/displays/panel-dsi-cm.c +++ b/drivers/video/fbdev/omap2/omapfb/displays/panel-dsi-cm.c @@ -387,8 +387,7 @@ static void dsicm_get_resolution(struct omap_dss_device *dssdev, static ssize_t dsicm_num_errors_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct platform_device *pdev = to_platform_device(dev); - struct panel_drv_data *ddata = platform_get_drvdata(pdev); + struct panel_drv_data *ddata = dev_get_drvdata(dev); struct omap_dss_device *in = ddata->in; u8 errors = 0; int r; @@ -419,8 +418,7 @@ static ssize_t dsicm_num_errors_show(struct device *dev, static ssize_t dsicm_hw_revision_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct platform_device *pdev = to_platform_device(dev); - struct panel_drv_data *ddata = platform_get_drvdata(pdev); + struct panel_drv_data *ddata = dev_get_drvdata(dev); struct omap_dss_device *in = ddata->in; u8 id1, id2, id3; int r; @@ -451,8 +449,7 @@ static ssize_t dsicm_store_ulps(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - struct platform_device *pdev = to_platform_device(dev); - struct panel_drv_data *ddata = platform_get_drvdata(pdev); + struct panel_drv_data *ddata = dev_get_drvdata(dev); struct omap_dss_device *in = ddata->in; unsigned long t; int r; @@ -486,8 +483,7 @@ static ssize_t dsicm_show_ulps(struct device *dev, struct device_attribute *attr, char *buf) { - struct platform_device *pdev = to_platform_device(dev); - struct panel_drv_data *ddata = platform_get_drvdata(pdev); + struct panel_drv_data *ddata = dev_get_drvdata(dev); unsigned t; mutex_lock(&ddata->lock); @@ -501,8 +497,7 @@ static ssize_t dsicm_store_ulps_timeout(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - struct platform_device *pdev = to_platform_device(dev); - struct panel_drv_data *ddata = platform_get_drvdata(pdev); + struct panel_drv_data *ddata = dev_get_drvdata(dev); struct omap_dss_device *in = ddata->in; unsigned long t; int r; @@ -533,8 +528,7 @@ static ssize_t dsicm_show_ulps_timeout(struct device *dev, struct device_attribute *attr, char *buf) { - struct platform_device *pdev = to_platform_device(dev); - struct panel_drv_data *ddata = platform_get_drvdata(pdev); + struct panel_drv_data *ddata = dev_get_drvdata(dev); unsigned t; mutex_lock(&ddata->lock); diff --git a/drivers/video/fbdev/pxafb.c b/drivers/video/fbdev/pxafb.c index c3d49e13643c..76722a59f55e 100644 --- a/drivers/video/fbdev/pxafb.c +++ b/drivers/video/fbdev/pxafb.c @@ -2115,12 +2115,10 @@ static int of_get_pxafb_display(struct device *dev, struct device_node *disp, if (ret) s = "color-tft"; - for (i = 0; lcd_types[i]; i++) - if (!strcmp(s, lcd_types[i])) - break; - if (!i || !lcd_types[i]) { + i = match_string(lcd_types, -1, s); + if (i < 0) { dev_err(dev, "lcd-type %s is unknown\n", s); - return -EINVAL; + return i; } info->lcd_conn |= LCD_CONN_TYPE(i); info->lcd_conn |= LCD_CONN_WIDTH(bus_width); diff --git a/drivers/video/fbdev/savage/savagefb_driver.c b/drivers/video/fbdev/savage/savagefb_driver.c index c20468362f11..c09d7426cd92 100644 --- a/drivers/video/fbdev/savage/savagefb_driver.c +++ b/drivers/video/fbdev/savage/savagefb_driver.c @@ -1892,11 +1892,11 @@ static int savage_init_hw(struct savagefb_par *par) vga_out8(0x3d4, 0x66, par); cr66 = vga_in8(0x3d5, par); vga_out8(0x3d5, cr66 | 0x02, par); - mdelay(10); + usleep_range(10000, 11000); vga_out8(0x3d4, 0x66, par); vga_out8(0x3d5, cr66 & ~0x02, par); /* clear reset flag */ - mdelay(10); + usleep_range(10000, 11000); /* @@ -1906,11 +1906,11 @@ static int savage_init_hw(struct savagefb_par *par) vga_out8(0x3d4, 0x3f, par); cr3f = vga_in8(0x3d5, par); vga_out8(0x3d5, cr3f | 0x08, par); - mdelay(10); + usleep_range(10000, 11000); vga_out8(0x3d4, 0x3f, par); vga_out8(0x3d5, cr3f & ~0x08, par); /* clear reset flags */ - mdelay(10); + usleep_range(10000, 11000); /* Savage ramdac speeds */ par->numClocks = 4; diff --git a/drivers/video/fbdev/sh_mobile_lcdcfb.c b/drivers/video/fbdev/sh_mobile_lcdcfb.c index c3a46506e47e..dc46be38c970 100644 --- a/drivers/video/fbdev/sh_mobile_lcdcfb.c +++ b/drivers/video/fbdev/sh_mobile_lcdcfb.c @@ -29,7 +29,6 @@ #include <linux/vmalloc.h> #include <video/sh_mobile_lcdc.h> -#include <video/sh_mobile_meram.h> #include "sh_mobile_lcdcfb.h" @@ -217,7 +216,6 @@ struct sh_mobile_lcdc_priv { struct notifier_block notifier; int started; int forced_fourcc; /* 2 channel LCDC must share fourcc setting */ - struct sh_mobile_meram_info *meram_dev; }; /* ----------------------------------------------------------------------------- @@ -346,16 +344,12 @@ static void sh_mobile_lcdc_clk_on(struct sh_mobile_lcdc_priv *priv) if (priv->dot_clk) clk_prepare_enable(priv->dot_clk); pm_runtime_get_sync(priv->dev); - if (priv->meram_dev && priv->meram_dev->pdev) - pm_runtime_get_sync(&priv->meram_dev->pdev->dev); } } static void sh_mobile_lcdc_clk_off(struct sh_mobile_lcdc_priv *priv) { if (atomic_sub_return(1, &priv->hw_usecnt) == -1) { - if (priv->meram_dev && priv->meram_dev->pdev) - pm_runtime_put_sync(&priv->meram_dev->pdev->dev); pm_runtime_put(priv->dev); if (priv->dot_clk) clk_disable_unprepare(priv->dot_clk); @@ -1073,7 +1067,6 @@ static void __sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv) static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv) { - struct sh_mobile_meram_info *mdev = priv->meram_dev; struct sh_mobile_lcdc_chan *ch; unsigned long tmp; int ret; @@ -1106,9 +1099,6 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv) /* Compute frame buffer base address and pitch for each channel. */ for (k = 0; k < ARRAY_SIZE(priv->ch); k++) { - int pixelformat; - void *cache; - ch = &priv->ch[k]; if (!ch->enabled) continue; @@ -1117,45 +1107,6 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv) ch->base_addr_c = ch->dma_handle + ch->xres_virtual * ch->yres_virtual; ch->line_size = ch->pitch; - - /* Enable MERAM if possible. */ - if (mdev == NULL || ch->cfg->meram_cfg == NULL) - continue; - - /* Free the allocated MERAM cache. */ - if (ch->cache) { - sh_mobile_meram_cache_free(mdev, ch->cache); - ch->cache = NULL; - } - - switch (ch->format->fourcc) { - case V4L2_PIX_FMT_NV12: - case V4L2_PIX_FMT_NV21: - case V4L2_PIX_FMT_NV16: - case V4L2_PIX_FMT_NV61: - pixelformat = SH_MOBILE_MERAM_PF_NV; - break; - case V4L2_PIX_FMT_NV24: - case V4L2_PIX_FMT_NV42: - pixelformat = SH_MOBILE_MERAM_PF_NV24; - break; - case V4L2_PIX_FMT_RGB565: - case V4L2_PIX_FMT_BGR24: - case V4L2_PIX_FMT_BGR32: - default: - pixelformat = SH_MOBILE_MERAM_PF_RGB; - break; - } - - cache = sh_mobile_meram_cache_alloc(mdev, ch->cfg->meram_cfg, - ch->pitch, ch->yres, pixelformat, - &ch->line_size); - if (!IS_ERR(cache)) { - sh_mobile_meram_cache_update(mdev, cache, - ch->base_addr_y, ch->base_addr_c, - &ch->base_addr_y, &ch->base_addr_c); - ch->cache = cache; - } } for (k = 0; k < ARRAY_SIZE(priv->overlays); ++k) { @@ -1223,13 +1174,6 @@ static void sh_mobile_lcdc_stop(struct sh_mobile_lcdc_priv *priv) } sh_mobile_lcdc_display_off(ch); - - /* Free the MERAM cache. */ - if (ch->cache) { - sh_mobile_meram_cache_free(priv->meram_dev, ch->cache); - ch->cache = NULL; - } - } /* stop the lcdc */ @@ -1851,11 +1795,6 @@ static int sh_mobile_lcdc_pan(struct fb_var_screeninfo *var, base_addr_c = ch->dma_handle + ch->xres_virtual * ch->yres_virtual + c_offset; - if (ch->cache) - sh_mobile_meram_cache_update(priv->meram_dev, ch->cache, - base_addr_y, base_addr_c, - &base_addr_y, &base_addr_c); - ch->base_addr_y = base_addr_y; ch->base_addr_c = base_addr_c; ch->pan_y_offset = y_offset; @@ -2149,10 +2088,8 @@ sh_mobile_lcdc_channel_fb_register(struct sh_mobile_lcdc_chan *ch) if (info->fbdefio) { ch->sglist = vmalloc(sizeof(struct scatterlist) * ch->fb_size >> PAGE_SHIFT); - if (!ch->sglist) { - dev_err(ch->lcdc->dev, "cannot allocate sglist\n"); + if (!ch->sglist) return -ENOMEM; - } } info->bl_dev = ch->bl; @@ -2354,8 +2291,7 @@ static int sh_mobile_lcdc_resume(struct device *dev) static int sh_mobile_lcdc_runtime_suspend(struct device *dev) { - struct platform_device *pdev = to_platform_device(dev); - struct sh_mobile_lcdc_priv *priv = platform_get_drvdata(pdev); + struct sh_mobile_lcdc_priv *priv = dev_get_drvdata(dev); /* turn off LCDC hardware */ lcdc_write(priv, _LDCNT1R, 0); @@ -2365,8 +2301,7 @@ static int sh_mobile_lcdc_runtime_suspend(struct device *dev) static int sh_mobile_lcdc_runtime_resume(struct device *dev) { - struct platform_device *pdev = to_platform_device(dev); - struct sh_mobile_lcdc_priv *priv = platform_get_drvdata(pdev); + struct sh_mobile_lcdc_priv *priv = dev_get_drvdata(dev); __sh_mobile_lcdc_start(priv); @@ -2718,13 +2653,11 @@ static int sh_mobile_lcdc_probe(struct platform_device *pdev) } priv = kzalloc(sizeof(*priv), GFP_KERNEL); - if (!priv) { - dev_err(&pdev->dev, "cannot allocate device data\n"); + if (!priv) return -ENOMEM; - } priv->dev = &pdev->dev; - priv->meram_dev = pdata->meram_dev; + for (i = 0; i < ARRAY_SIZE(priv->ch); i++) mutex_init(&priv->ch[i].open_lock); platform_set_drvdata(pdev, priv); diff --git a/drivers/video/fbdev/sh_mobile_lcdcfb.h b/drivers/video/fbdev/sh_mobile_lcdcfb.h index cc52c74721fe..b8e47a8bd8ab 100644 --- a/drivers/video/fbdev/sh_mobile_lcdcfb.h +++ b/drivers/video/fbdev/sh_mobile_lcdcfb.h @@ -61,7 +61,6 @@ struct sh_mobile_lcdc_chan { unsigned long *reg_offs; unsigned long ldmt1r_value; unsigned long enabled; /* ME and SE in LDCNT2R */ - void *cache; struct mutex open_lock; /* protects the use counter */ int use_count; diff --git a/drivers/video/fbdev/sh_mobile_meram.c b/drivers/video/fbdev/sh_mobile_meram.c deleted file mode 100644 index baadfb207b2e..000000000000 --- a/drivers/video/fbdev/sh_mobile_meram.c +++ /dev/null @@ -1,758 +0,0 @@ -/* - * SuperH Mobile MERAM Driver for SuperH Mobile LCDC Driver - * - * Copyright (c) 2011 Damian Hobson-Garcia <dhobsong@igel.co.jp> - * Takanari Hayama <taki@igel.co.jp> - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#include <linux/device.h> -#include <linux/err.h> -#include <linux/export.h> -#include <linux/genalloc.h> -#include <linux/io.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/pm_runtime.h> -#include <linux/slab.h> - -#include <video/sh_mobile_meram.h> - -/* ----------------------------------------------------------------------------- - * MERAM registers - */ - -#define MEVCR1 0x4 -#define MEVCR1_RST (1 << 31) -#define MEVCR1_WD (1 << 30) -#define MEVCR1_AMD1 (1 << 29) -#define MEVCR1_AMD0 (1 << 28) -#define MEQSEL1 0x40 -#define MEQSEL2 0x44 - -#define MExxCTL 0x400 -#define MExxCTL_BV (1 << 31) -#define MExxCTL_BSZ_SHIFT 28 -#define MExxCTL_MSAR_MASK (0x7ff << MExxCTL_MSAR_SHIFT) -#define MExxCTL_MSAR_SHIFT 16 -#define MExxCTL_NXT_MASK (0x1f << MExxCTL_NXT_SHIFT) -#define MExxCTL_NXT_SHIFT 11 -#define MExxCTL_WD1 (1 << 10) -#define MExxCTL_WD0 (1 << 9) -#define MExxCTL_WS (1 << 8) -#define MExxCTL_CB (1 << 7) -#define MExxCTL_WBF (1 << 6) -#define MExxCTL_WF (1 << 5) -#define MExxCTL_RF (1 << 4) -#define MExxCTL_CM (1 << 3) -#define MExxCTL_MD_READ (1 << 0) -#define MExxCTL_MD_WRITE (2 << 0) -#define MExxCTL_MD_ICB_WB (3 << 0) -#define MExxCTL_MD_ICB (4 << 0) -#define MExxCTL_MD_FB (7 << 0) -#define MExxCTL_MD_MASK (7 << 0) -#define MExxBSIZE 0x404 -#define MExxBSIZE_RCNT_SHIFT 28 -#define MExxBSIZE_YSZM1_SHIFT 16 -#define MExxBSIZE_XSZM1_SHIFT 0 -#define MExxMNCF 0x408 -#define MExxMNCF_KWBNM_SHIFT 28 -#define MExxMNCF_KRBNM_SHIFT 24 -#define MExxMNCF_BNM_SHIFT 16 -#define MExxMNCF_XBV (1 << 15) -#define MExxMNCF_CPL_YCBCR444 (1 << 12) -#define MExxMNCF_CPL_YCBCR420 (2 << 12) -#define MExxMNCF_CPL_YCBCR422 (3 << 12) -#define MExxMNCF_CPL_MSK (3 << 12) -#define MExxMNCF_BL (1 << 2) -#define MExxMNCF_LNM_SHIFT 0 -#define MExxSARA 0x410 -#define MExxSARB 0x414 -#define MExxSBSIZE 0x418 -#define MExxSBSIZE_HDV (1 << 31) -#define MExxSBSIZE_HSZ16 (0 << 28) -#define MExxSBSIZE_HSZ32 (1 << 28) -#define MExxSBSIZE_HSZ64 (2 << 28) -#define MExxSBSIZE_HSZ128 (3 << 28) -#define MExxSBSIZE_SBSIZZ_SHIFT 0 - -#define MERAM_MExxCTL_VAL(next, addr) \ - ((((next) << MExxCTL_NXT_SHIFT) & MExxCTL_NXT_MASK) | \ - (((addr) << MExxCTL_MSAR_SHIFT) & MExxCTL_MSAR_MASK)) -#define MERAM_MExxBSIZE_VAL(rcnt, yszm1, xszm1) \ - (((rcnt) << MExxBSIZE_RCNT_SHIFT) | \ - ((yszm1) << MExxBSIZE_YSZM1_SHIFT) | \ - ((xszm1) << MExxBSIZE_XSZM1_SHIFT)) - -static const unsigned long common_regs[] = { - MEVCR1, - MEQSEL1, - MEQSEL2, -}; -#define MERAM_REGS_SIZE ARRAY_SIZE(common_regs) - -static const unsigned long icb_regs[] = { - MExxCTL, - MExxBSIZE, - MExxMNCF, - MExxSARA, - MExxSARB, - MExxSBSIZE, -}; -#define ICB_REGS_SIZE ARRAY_SIZE(icb_regs) - -/* - * sh_mobile_meram_icb - MERAM ICB information - * @regs: Registers cache - * @index: ICB index - * @offset: MERAM block offset - * @size: MERAM block size in KiB - * @cache_unit: Bytes to cache per ICB - * @pixelformat: Video pixel format of the data stored in the ICB - * @current_reg: Which of Start Address Register A (0) or B (1) is in use - */ -struct sh_mobile_meram_icb { - unsigned long regs[ICB_REGS_SIZE]; - unsigned int index; - unsigned long offset; - unsigned int size; - - unsigned int cache_unit; - unsigned int pixelformat; - unsigned int current_reg; -}; - -#define MERAM_ICB_NUM 32 - -struct sh_mobile_meram_fb_plane { - struct sh_mobile_meram_icb *marker; - struct sh_mobile_meram_icb *cache; -}; - -struct sh_mobile_meram_fb_cache { - unsigned int nplanes; - struct sh_mobile_meram_fb_plane planes[2]; -}; - -/* - * sh_mobile_meram_priv - MERAM device - * @base: Registers base address - * @meram: MERAM physical address - * @regs: Registers cache - * @lock: Protects used_icb and icbs - * @used_icb: Bitmask of used ICBs - * @icbs: ICBs - * @pool: Allocation pool to manage the MERAM - */ -struct sh_mobile_meram_priv { - void __iomem *base; - unsigned long meram; - unsigned long regs[MERAM_REGS_SIZE]; - - struct mutex lock; - unsigned long used_icb; - struct sh_mobile_meram_icb icbs[MERAM_ICB_NUM]; - - struct gen_pool *pool; -}; - -/* settings */ -#define MERAM_GRANULARITY 1024 -#define MERAM_SEC_LINE 15 -#define MERAM_LINE_WIDTH 2048 - -/* ----------------------------------------------------------------------------- - * Registers access - */ - -#define MERAM_ICB_OFFSET(base, idx, off) ((base) + (off) + (idx) * 0x20) - -static inline void meram_write_icb(void __iomem *base, unsigned int idx, - unsigned int off, unsigned long val) -{ - iowrite32(val, MERAM_ICB_OFFSET(base, idx, off)); -} - -static inline unsigned long meram_read_icb(void __iomem *base, unsigned int idx, - unsigned int off) -{ - return ioread32(MERAM_ICB_OFFSET(base, idx, off)); -} - -static inline void meram_write_reg(void __iomem *base, unsigned int off, - unsigned long val) -{ - iowrite32(val, base + off); -} - -static inline unsigned long meram_read_reg(void __iomem *base, unsigned int off) -{ - return ioread32(base + off); -} - -/* ----------------------------------------------------------------------------- - * MERAM allocation and free - */ - -static unsigned long meram_alloc(struct sh_mobile_meram_priv *priv, size_t size) -{ - return gen_pool_alloc(priv->pool, size); -} - -static void meram_free(struct sh_mobile_meram_priv *priv, unsigned long mem, - size_t size) -{ - gen_pool_free(priv->pool, mem, size); -} - -/* ----------------------------------------------------------------------------- - * LCDC cache planes allocation, init, cleanup and free - */ - -/* Allocate ICBs and MERAM for a plane. */ -static int meram_plane_alloc(struct sh_mobile_meram_priv *priv, - struct sh_mobile_meram_fb_plane *plane, - size_t size) -{ - unsigned long mem; - unsigned long idx; - - idx = find_first_zero_bit(&priv->used_icb, 28); - if (idx == 28) - return -ENOMEM; - plane->cache = &priv->icbs[idx]; - - idx = find_next_zero_bit(&priv->used_icb, 32, 28); - if (idx == 32) - return -ENOMEM; - plane->marker = &priv->icbs[idx]; - - mem = meram_alloc(priv, size * 1024); - if (mem == 0) - return -ENOMEM; - - __set_bit(plane->marker->index, &priv->used_icb); - __set_bit(plane->cache->index, &priv->used_icb); - - plane->marker->offset = mem - priv->meram; - plane->marker->size = size; - - return 0; -} - -/* Free ICBs and MERAM for a plane. */ -static void meram_plane_free(struct sh_mobile_meram_priv *priv, - struct sh_mobile_meram_fb_plane *plane) -{ - meram_free(priv, priv->meram + plane->marker->offset, - plane->marker->size * 1024); - - __clear_bit(plane->marker->index, &priv->used_icb); - __clear_bit(plane->cache->index, &priv->used_icb); -} - -/* Is this a YCbCr(NV12, NV16 or NV24) colorspace? */ -static int is_nvcolor(int cspace) -{ - if (cspace == SH_MOBILE_MERAM_PF_NV || - cspace == SH_MOBILE_MERAM_PF_NV24) - return 1; - return 0; -} - -/* Set the next address to fetch. */ -static void meram_set_next_addr(struct sh_mobile_meram_priv *priv, - struct sh_mobile_meram_fb_cache *cache, - unsigned long base_addr_y, - unsigned long base_addr_c) -{ - struct sh_mobile_meram_icb *icb = cache->planes[0].marker; - unsigned long target; - - icb->current_reg ^= 1; - target = icb->current_reg ? MExxSARB : MExxSARA; - - /* set the next address to fetch */ - meram_write_icb(priv->base, cache->planes[0].cache->index, target, - base_addr_y); - meram_write_icb(priv->base, cache->planes[0].marker->index, target, - base_addr_y + cache->planes[0].marker->cache_unit); - - if (cache->nplanes == 2) { - meram_write_icb(priv->base, cache->planes[1].cache->index, - target, base_addr_c); - meram_write_icb(priv->base, cache->planes[1].marker->index, - target, base_addr_c + - cache->planes[1].marker->cache_unit); - } -} - -/* Get the next ICB address. */ -static void -meram_get_next_icb_addr(struct sh_mobile_meram_info *pdata, - struct sh_mobile_meram_fb_cache *cache, - unsigned long *icb_addr_y, unsigned long *icb_addr_c) -{ - struct sh_mobile_meram_icb *icb = cache->planes[0].marker; - unsigned long icb_offset; - - if (pdata->addr_mode == SH_MOBILE_MERAM_MODE0) - icb_offset = 0x80000000 | (icb->current_reg << 29); - else - icb_offset = 0xc0000000 | (icb->current_reg << 23); - - *icb_addr_y = icb_offset | (cache->planes[0].marker->index << 24); - if (cache->nplanes == 2) - *icb_addr_c = icb_offset - | (cache->planes[1].marker->index << 24); -} - -#define MERAM_CALC_BYTECOUNT(x, y) \ - (((x) * (y) + (MERAM_LINE_WIDTH - 1)) & ~(MERAM_LINE_WIDTH - 1)) - -/* Initialize MERAM. */ -static int meram_plane_init(struct sh_mobile_meram_priv *priv, - struct sh_mobile_meram_fb_plane *plane, - unsigned int xres, unsigned int yres, - unsigned int *out_pitch) -{ - struct sh_mobile_meram_icb *marker = plane->marker; - unsigned long total_byte_count = MERAM_CALC_BYTECOUNT(xres, yres); - unsigned long bnm; - unsigned int lcdc_pitch; - unsigned int xpitch; - unsigned int line_cnt; - unsigned int save_lines; - - /* adjust pitch to 1024, 2048, 4096 or 8192 */ - lcdc_pitch = (xres - 1) | 1023; - lcdc_pitch = lcdc_pitch | (lcdc_pitch >> 1); - lcdc_pitch = lcdc_pitch | (lcdc_pitch >> 2); - lcdc_pitch += 1; - - /* derive settings */ - if (lcdc_pitch == 8192 && yres >= 1024) { - lcdc_pitch = xpitch = MERAM_LINE_WIDTH; - line_cnt = total_byte_count >> 11; - *out_pitch = xres; - save_lines = plane->marker->size / 16 / MERAM_SEC_LINE; - save_lines *= MERAM_SEC_LINE; - } else { - xpitch = xres; - line_cnt = yres; - *out_pitch = lcdc_pitch; - save_lines = plane->marker->size / (lcdc_pitch >> 10) / 2; - save_lines &= 0xff; - } - bnm = (save_lines - 1) << 16; - - /* TODO: we better to check if we have enough MERAM buffer size */ - - /* set up ICB */ - meram_write_icb(priv->base, plane->cache->index, MExxBSIZE, - MERAM_MExxBSIZE_VAL(0x0, line_cnt - 1, xpitch - 1)); - meram_write_icb(priv->base, plane->marker->index, MExxBSIZE, - MERAM_MExxBSIZE_VAL(0xf, line_cnt - 1, xpitch - 1)); - - meram_write_icb(priv->base, plane->cache->index, MExxMNCF, bnm); - meram_write_icb(priv->base, plane->marker->index, MExxMNCF, bnm); - - meram_write_icb(priv->base, plane->cache->index, MExxSBSIZE, xpitch); - meram_write_icb(priv->base, plane->marker->index, MExxSBSIZE, xpitch); - - /* save a cache unit size */ - plane->cache->cache_unit = xres * save_lines; - plane->marker->cache_unit = xres * save_lines; - - /* - * Set MERAM for framebuffer - * - * we also chain the cache_icb and the marker_icb. - * we also split the allocated MERAM buffer between two ICBs. - */ - meram_write_icb(priv->base, plane->cache->index, MExxCTL, - MERAM_MExxCTL_VAL(plane->marker->index, marker->offset) - | MExxCTL_WD1 | MExxCTL_WD0 | MExxCTL_WS | MExxCTL_CM | - MExxCTL_MD_FB); - meram_write_icb(priv->base, plane->marker->index, MExxCTL, - MERAM_MExxCTL_VAL(plane->cache->index, marker->offset + - plane->marker->size / 2) | - MExxCTL_WD1 | MExxCTL_WD0 | MExxCTL_WS | MExxCTL_CM | - MExxCTL_MD_FB); - - return 0; -} - -static void meram_plane_cleanup(struct sh_mobile_meram_priv *priv, - struct sh_mobile_meram_fb_plane *plane) -{ - /* disable ICB */ - meram_write_icb(priv->base, plane->cache->index, MExxCTL, - MExxCTL_WBF | MExxCTL_WF | MExxCTL_RF); - meram_write_icb(priv->base, plane->marker->index, MExxCTL, - MExxCTL_WBF | MExxCTL_WF | MExxCTL_RF); - - plane->cache->cache_unit = 0; - plane->marker->cache_unit = 0; -} - -/* ----------------------------------------------------------------------------- - * MERAM operations - */ - -unsigned long sh_mobile_meram_alloc(struct sh_mobile_meram_info *pdata, - size_t size) -{ - struct sh_mobile_meram_priv *priv = pdata->priv; - - return meram_alloc(priv, size); -} -EXPORT_SYMBOL_GPL(sh_mobile_meram_alloc); - -void sh_mobile_meram_free(struct sh_mobile_meram_info *pdata, unsigned long mem, - size_t size) -{ - struct sh_mobile_meram_priv *priv = pdata->priv; - - meram_free(priv, mem, size); -} -EXPORT_SYMBOL_GPL(sh_mobile_meram_free); - -/* Allocate memory for the ICBs and mark them as used. */ -static struct sh_mobile_meram_fb_cache * -meram_cache_alloc(struct sh_mobile_meram_priv *priv, - const struct sh_mobile_meram_cfg *cfg, - int pixelformat) -{ - unsigned int nplanes = is_nvcolor(pixelformat) ? 2 : 1; - struct sh_mobile_meram_fb_cache *cache; - int ret; - - cache = kzalloc(sizeof(*cache), GFP_KERNEL); - if (cache == NULL) - return ERR_PTR(-ENOMEM); - - cache->nplanes = nplanes; - - ret = meram_plane_alloc(priv, &cache->planes[0], - cfg->icb[0].meram_size); - if (ret < 0) - goto error; - - cache->planes[0].marker->current_reg = 1; - cache->planes[0].marker->pixelformat = pixelformat; - - if (cache->nplanes == 1) - return cache; - - ret = meram_plane_alloc(priv, &cache->planes[1], - cfg->icb[1].meram_size); - if (ret < 0) { - meram_plane_free(priv, &cache->planes[0]); - goto error; - } - - return cache; - -error: - kfree(cache); - return ERR_PTR(-ENOMEM); -} - -void *sh_mobile_meram_cache_alloc(struct sh_mobile_meram_info *pdata, - const struct sh_mobile_meram_cfg *cfg, - unsigned int xres, unsigned int yres, - unsigned int pixelformat, unsigned int *pitch) -{ - struct sh_mobile_meram_fb_cache *cache; - struct sh_mobile_meram_priv *priv = pdata->priv; - struct platform_device *pdev = pdata->pdev; - unsigned int nplanes = is_nvcolor(pixelformat) ? 2 : 1; - unsigned int out_pitch; - - if (priv == NULL) - return ERR_PTR(-ENODEV); - - if (pixelformat != SH_MOBILE_MERAM_PF_NV && - pixelformat != SH_MOBILE_MERAM_PF_NV24 && - pixelformat != SH_MOBILE_MERAM_PF_RGB) - return ERR_PTR(-EINVAL); - - dev_dbg(&pdev->dev, "registering %dx%d (%s)", xres, yres, - !pixelformat ? "yuv" : "rgb"); - - /* we can't handle wider than 8192px */ - if (xres > 8192) { - dev_err(&pdev->dev, "width exceeding the limit (> 8192)."); - return ERR_PTR(-EINVAL); - } - - if (cfg->icb[0].meram_size == 0) - return ERR_PTR(-EINVAL); - - if (nplanes == 2 && cfg->icb[1].meram_size == 0) - return ERR_PTR(-EINVAL); - - mutex_lock(&priv->lock); - - /* We now register the ICBs and allocate the MERAM regions. */ - cache = meram_cache_alloc(priv, cfg, pixelformat); - if (IS_ERR(cache)) { - dev_err(&pdev->dev, "MERAM allocation failed (%ld).", - PTR_ERR(cache)); - goto err; - } - - /* initialize MERAM */ - meram_plane_init(priv, &cache->planes[0], xres, yres, &out_pitch); - *pitch = out_pitch; - if (pixelformat == SH_MOBILE_MERAM_PF_NV) - meram_plane_init(priv, &cache->planes[1], - xres, (yres + 1) / 2, &out_pitch); - else if (pixelformat == SH_MOBILE_MERAM_PF_NV24) - meram_plane_init(priv, &cache->planes[1], - 2 * xres, (yres + 1) / 2, &out_pitch); - -err: - mutex_unlock(&priv->lock); - return cache; -} -EXPORT_SYMBOL_GPL(sh_mobile_meram_cache_alloc); - -void -sh_mobile_meram_cache_free(struct sh_mobile_meram_info *pdata, void *data) -{ - struct sh_mobile_meram_fb_cache *cache = data; - struct sh_mobile_meram_priv *priv = pdata->priv; - - mutex_lock(&priv->lock); - - /* Cleanup and free. */ - meram_plane_cleanup(priv, &cache->planes[0]); - meram_plane_free(priv, &cache->planes[0]); - - if (cache->nplanes == 2) { - meram_plane_cleanup(priv, &cache->planes[1]); - meram_plane_free(priv, &cache->planes[1]); - } - - kfree(cache); - - mutex_unlock(&priv->lock); -} -EXPORT_SYMBOL_GPL(sh_mobile_meram_cache_free); - -void -sh_mobile_meram_cache_update(struct sh_mobile_meram_info *pdata, void *data, - unsigned long base_addr_y, - unsigned long base_addr_c, - unsigned long *icb_addr_y, - unsigned long *icb_addr_c) -{ - struct sh_mobile_meram_fb_cache *cache = data; - struct sh_mobile_meram_priv *priv = pdata->priv; - - mutex_lock(&priv->lock); - - meram_set_next_addr(priv, cache, base_addr_y, base_addr_c); - meram_get_next_icb_addr(pdata, cache, icb_addr_y, icb_addr_c); - - mutex_unlock(&priv->lock); -} -EXPORT_SYMBOL_GPL(sh_mobile_meram_cache_update); - -/* ----------------------------------------------------------------------------- - * Power management - */ - -#ifdef CONFIG_PM -static int sh_mobile_meram_suspend(struct device *dev) -{ - struct platform_device *pdev = to_platform_device(dev); - struct sh_mobile_meram_priv *priv = platform_get_drvdata(pdev); - unsigned int i, j; - - for (i = 0; i < MERAM_REGS_SIZE; i++) - priv->regs[i] = meram_read_reg(priv->base, common_regs[i]); - - for (i = 0; i < 32; i++) { - if (!test_bit(i, &priv->used_icb)) - continue; - for (j = 0; j < ICB_REGS_SIZE; j++) { - priv->icbs[i].regs[j] = - meram_read_icb(priv->base, i, icb_regs[j]); - /* Reset ICB on resume */ - if (icb_regs[j] == MExxCTL) - priv->icbs[i].regs[j] |= - MExxCTL_WBF | MExxCTL_WF | MExxCTL_RF; - } - } - return 0; -} - -static int sh_mobile_meram_resume(struct device *dev) -{ - struct platform_device *pdev = to_platform_device(dev); - struct sh_mobile_meram_priv *priv = platform_get_drvdata(pdev); - unsigned int i, j; - - for (i = 0; i < 32; i++) { - if (!test_bit(i, &priv->used_icb)) - continue; - for (j = 0; j < ICB_REGS_SIZE; j++) - meram_write_icb(priv->base, i, icb_regs[j], - priv->icbs[i].regs[j]); - } - - for (i = 0; i < MERAM_REGS_SIZE; i++) - meram_write_reg(priv->base, common_regs[i], priv->regs[i]); - return 0; -} -#endif /* CONFIG_PM */ - -static UNIVERSAL_DEV_PM_OPS(sh_mobile_meram_dev_pm_ops, - sh_mobile_meram_suspend, - sh_mobile_meram_resume, NULL); - -/* ----------------------------------------------------------------------------- - * Probe/remove and driver init/exit - */ - -static int sh_mobile_meram_probe(struct platform_device *pdev) -{ - struct sh_mobile_meram_priv *priv; - struct sh_mobile_meram_info *pdata = pdev->dev.platform_data; - struct resource *regs; - struct resource *meram; - unsigned int i; - int error; - - if (!pdata) { - dev_err(&pdev->dev, "no platform data defined\n"); - return -EINVAL; - } - - regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); - meram = platform_get_resource(pdev, IORESOURCE_MEM, 1); - if (regs == NULL || meram == NULL) { - dev_err(&pdev->dev, "cannot get platform resources\n"); - return -ENOENT; - } - - priv = kzalloc(sizeof(*priv), GFP_KERNEL); - if (!priv) { - dev_err(&pdev->dev, "cannot allocate device data\n"); - return -ENOMEM; - } - - /* Initialize private data. */ - mutex_init(&priv->lock); - priv->used_icb = pdata->reserved_icbs; - - for (i = 0; i < MERAM_ICB_NUM; ++i) - priv->icbs[i].index = i; - - pdata->priv = priv; - pdata->pdev = pdev; - - /* Request memory regions and remap the registers. */ - if (!request_mem_region(regs->start, resource_size(regs), pdev->name)) { - dev_err(&pdev->dev, "MERAM registers region already claimed\n"); - error = -EBUSY; - goto err_req_regs; - } - - if (!request_mem_region(meram->start, resource_size(meram), - pdev->name)) { - dev_err(&pdev->dev, "MERAM memory region already claimed\n"); - error = -EBUSY; - goto err_req_meram; - } - - priv->base = ioremap_nocache(regs->start, resource_size(regs)); - if (!priv->base) { - dev_err(&pdev->dev, "ioremap failed\n"); - error = -EFAULT; - goto err_ioremap; - } - - priv->meram = meram->start; - - /* Create and initialize the MERAM memory pool. */ - priv->pool = gen_pool_create(ilog2(MERAM_GRANULARITY), -1); - if (priv->pool == NULL) { - error = -ENOMEM; - goto err_genpool; - } - - error = gen_pool_add(priv->pool, meram->start, resource_size(meram), - -1); - if (error < 0) - goto err_genpool; - - /* initialize ICB addressing mode */ - if (pdata->addr_mode == SH_MOBILE_MERAM_MODE1) - meram_write_reg(priv->base, MEVCR1, MEVCR1_AMD1); - - platform_set_drvdata(pdev, priv); - pm_runtime_enable(&pdev->dev); - - dev_info(&pdev->dev, "sh_mobile_meram initialized."); - - return 0; - -err_genpool: - if (priv->pool) - gen_pool_destroy(priv->pool); - iounmap(priv->base); -err_ioremap: - release_mem_region(meram->start, resource_size(meram)); -err_req_meram: - release_mem_region(regs->start, resource_size(regs)); -err_req_regs: - mutex_destroy(&priv->lock); - kfree(priv); - - return error; -} - - -static int sh_mobile_meram_remove(struct platform_device *pdev) -{ - struct sh_mobile_meram_priv *priv = platform_get_drvdata(pdev); - struct resource *regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); - struct resource *meram = platform_get_resource(pdev, IORESOURCE_MEM, 1); - - pm_runtime_disable(&pdev->dev); - - gen_pool_destroy(priv->pool); - - iounmap(priv->base); - release_mem_region(meram->start, resource_size(meram)); - release_mem_region(regs->start, resource_size(regs)); - - mutex_destroy(&priv->lock); - - kfree(priv); - - return 0; -} - -static struct platform_driver sh_mobile_meram_driver = { - .driver = { - .name = "sh_mobile_meram", - .pm = &sh_mobile_meram_dev_pm_ops, - }, - .probe = sh_mobile_meram_probe, - .remove = sh_mobile_meram_remove, -}; - -module_platform_driver(sh_mobile_meram_driver); - -MODULE_DESCRIPTION("SuperH Mobile MERAM driver"); -MODULE_AUTHOR("Damian Hobson-Garcia / Takanari Hayama"); -MODULE_LICENSE("GPL v2"); diff --git a/drivers/video/fbdev/skeletonfb.c b/drivers/video/fbdev/skeletonfb.c index 7f4e908330bf..812a36cb60c3 100644 --- a/drivers/video/fbdev/skeletonfb.c +++ b/drivers/video/fbdev/skeletonfb.c @@ -836,7 +836,7 @@ static void xxxfb_remove(struct pci_dev *dev) * @dev: PCI device * @msg: the suspend event code. * - * See Documentation/power/admin-guide/devices.rst for more information + * See Documentation/driver-api/pm/devices.rst for more information */ static int xxxfb_suspend(struct pci_dev *dev, pm_message_t msg) { @@ -851,7 +851,7 @@ static int xxxfb_suspend(struct pci_dev *dev, pm_message_t msg) * xxxfb_resume - Optional but recommended function. Resume the device. * @dev: PCI device * - * See Documentation/power/admin-guide/devices.rst for more information + * See Documentation/driver-api/pm/devices.rst for more information */ static int xxxfb_resume(struct pci_dev *dev) { @@ -915,7 +915,7 @@ static void __exit xxxfb_exit(void) * @dev: platform device * @msg: the suspend event code. * - * See Documentation/power/admin-guide/devices.rst for more information + * See Documentation/driver-api/pm/devices.rst for more information */ static int xxxfb_suspend(struct platform_device *dev, pm_message_t msg) { @@ -930,7 +930,7 @@ static int xxxfb_suspend(struct platform_device *dev, pm_message_t msg) * xxxfb_resume - Optional but recommended function. Resume the device. * @dev: platform device * - * See Documentation/power/admin-guide/devices.rst for more information + * See Documentation/driver-api/pm/devices.rst for more information */ static int xxxfb_resume(struct platform_dev *dev) { diff --git a/drivers/video/fbdev/sm501fb.c b/drivers/video/fbdev/sm501fb.c index 6f0a19501c6a..dde52d027416 100644 --- a/drivers/video/fbdev/sm501fb.c +++ b/drivers/video/fbdev/sm501fb.c @@ -1932,8 +1932,7 @@ static int sm501fb_probe(struct platform_device *pdev) int ret; /* allocate our framebuffers */ - - info = kzalloc(sizeof(struct sm501fb_info), GFP_KERNEL); + info = kzalloc(sizeof(*info), GFP_KERNEL); if (!info) { dev_err(dev, "failed to allocate state\n"); return -ENOMEM; diff --git a/drivers/video/fbdev/via/global.h b/drivers/video/fbdev/via/global.h index 275dbbbd6b81..649d2ca5516e 100644 --- a/drivers/video/fbdev/via/global.h +++ b/drivers/video/fbdev/via/global.h @@ -33,6 +33,12 @@ #include <linux/console.h> #include <linux/timer.h> +#ifdef CONFIG_X86 +#include <asm/olpc.h> +#else +#define machine_is_olpc(x) 0 +#endif + #include "debug.h" #include "viafbdev.h" diff --git a/drivers/video/fbdev/via/hw.c b/drivers/video/fbdev/via/hw.c index 22450908306c..48969c644599 100644 --- a/drivers/video/fbdev/via/hw.c +++ b/drivers/video/fbdev/via/hw.c @@ -20,7 +20,6 @@ */ #include <linux/via-core.h> -#include <asm/olpc.h> #include "global.h" #include "via_clock.h" diff --git a/drivers/video/fbdev/via/via-core.c b/drivers/video/fbdev/via/via-core.c index 77774d8abf94..b041eb27a9bf 100644 --- a/drivers/video/fbdev/via/via-core.c +++ b/drivers/video/fbdev/via/via-core.c @@ -17,7 +17,6 @@ #include <linux/platform_device.h> #include <linux/list.h> #include <linux/pm.h> -#include <asm/olpc.h> /* * The default port config. diff --git a/drivers/video/fbdev/via/via_clock.c b/drivers/video/fbdev/via/via_clock.c index bf269fa43977..3d0efdbaea58 100644 --- a/drivers/video/fbdev/via/via_clock.c +++ b/drivers/video/fbdev/via/via_clock.c @@ -25,7 +25,7 @@ #include <linux/kernel.h> #include <linux/via-core.h> -#include <asm/olpc.h> + #include "via_clock.h" #include "global.h" #include "debug.h" diff --git a/drivers/video/fbdev/via/viafbdev.c b/drivers/video/fbdev/via/viafbdev.c index 52f577b0669b..d2f785068ef4 100644 --- a/drivers/video/fbdev/via/viafbdev.c +++ b/drivers/video/fbdev/via/viafbdev.c @@ -25,7 +25,6 @@ #include <linux/stat.h> #include <linux/via-core.h> #include <linux/via_i2c.h> -#include <asm/olpc.h> #define _MASTER_FILE #include "global.h" diff --git a/drivers/virtio/virtio_pci_common.c b/drivers/virtio/virtio_pci_common.c index b563a4499cc8..705aebd74e56 100644 --- a/drivers/virtio/virtio_pci_common.c +++ b/drivers/virtio/virtio_pci_common.c @@ -578,6 +578,8 @@ static void virtio_pci_remove(struct pci_dev *pci_dev) struct virtio_pci_device *vp_dev = pci_get_drvdata(pci_dev); struct device *dev = get_device(&vp_dev->vdev.dev); + pci_disable_sriov(pci_dev); + unregister_virtio_device(&vp_dev->vdev); if (vp_dev->ioaddr) @@ -589,6 +591,33 @@ static void virtio_pci_remove(struct pci_dev *pci_dev) put_device(dev); } +static int virtio_pci_sriov_configure(struct pci_dev *pci_dev, int num_vfs) +{ + struct virtio_pci_device *vp_dev = pci_get_drvdata(pci_dev); + struct virtio_device *vdev = &vp_dev->vdev; + int ret; + + if (!(vdev->config->get_status(vdev) & VIRTIO_CONFIG_S_DRIVER_OK)) + return -EBUSY; + + if (!__virtio_test_bit(vdev, VIRTIO_F_SR_IOV)) + return -EINVAL; + + if (pci_vfs_assigned(pci_dev)) + return -EPERM; + + if (num_vfs == 0) { + pci_disable_sriov(pci_dev); + return 0; + } + + ret = pci_enable_sriov(pci_dev, num_vfs); + if (ret < 0) + return ret; + + return num_vfs; +} + static struct pci_driver virtio_pci_driver = { .name = "virtio-pci", .id_table = virtio_pci_id_table, @@ -597,6 +626,7 @@ static struct pci_driver virtio_pci_driver = { #ifdef CONFIG_PM_SLEEP .driver.pm = &virtio_pci_pm_ops, #endif + .sriov_configure = virtio_pci_sriov_configure, }; module_pci_driver(virtio_pci_driver); diff --git a/drivers/virtio/virtio_pci_modern.c b/drivers/virtio/virtio_pci_modern.c index 2555d80f6eec..07571daccfec 100644 --- a/drivers/virtio/virtio_pci_modern.c +++ b/drivers/virtio/virtio_pci_modern.c @@ -153,14 +153,28 @@ static u64 vp_get_features(struct virtio_device *vdev) return features; } +static void vp_transport_features(struct virtio_device *vdev, u64 features) +{ + struct virtio_pci_device *vp_dev = to_vp_device(vdev); + struct pci_dev *pci_dev = vp_dev->pci_dev; + + if ((features & BIT_ULL(VIRTIO_F_SR_IOV)) && + pci_find_ext_capability(pci_dev, PCI_EXT_CAP_ID_SRIOV)) + __virtio_set_bit(vdev, VIRTIO_F_SR_IOV); +} + /* virtio config->finalize_features() implementation */ static int vp_finalize_features(struct virtio_device *vdev) { struct virtio_pci_device *vp_dev = to_vp_device(vdev); + u64 features = vdev->features; /* Give virtio_ring a chance to accept features. */ vring_transport_features(vdev); + /* Give virtio_pci a chance to accept features. */ + vp_transport_features(vdev, features); + if (!__virtio_test_bit(vdev, VIRTIO_F_VERSION_1)) { dev_err(&vdev->dev, "virtio: device uses modern interface " "but does not have VIRTIO_F_VERSION_1\n"); |