diff options
Diffstat (limited to 'drivers/misc')
35 files changed, 583 insertions, 158 deletions
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig index 75e427f124b2..cadd4a820c03 100644 --- a/drivers/misc/Kconfig +++ b/drivers/misc/Kconfig @@ -496,6 +496,7 @@ config HISI_HIKEY_USB config OPEN_DICE tristate "Open Profile for DICE driver" depends on OF_RESERVED_MEM + depends on HAS_IOMEM help This driver exposes a DICE reserved memory region to userspace via a character device. The memory region contains Compound Device diff --git a/drivers/misc/atmel-ssc.c b/drivers/misc/atmel-ssc.c index 7f9f562d6433..ee590c4a1537 100644 --- a/drivers/misc/atmel-ssc.c +++ b/drivers/misc/atmel-ssc.c @@ -212,8 +212,7 @@ static int ssc_probe(struct platform_device *pdev) of_property_read_bool(np, "atmel,clk-from-rk-pin"); } - regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); - ssc->regs = devm_ioremap_resource(&pdev->dev, regs); + ssc->regs = devm_platform_get_and_ioremap_resource(pdev, 0, ®s); if (IS_ERR(ssc->regs)) return PTR_ERR(ssc->regs); diff --git a/drivers/misc/bcm-vk/bcm_vk.h b/drivers/misc/bcm-vk/bcm_vk.h index 25d51222eedf..386884c2a263 100644 --- a/drivers/misc/bcm-vk/bcm_vk.h +++ b/drivers/misc/bcm-vk/bcm_vk.h @@ -340,7 +340,7 @@ struct bcm_vk_proc_mon_info { }; struct bcm_vk_hb_ctrl { - struct timer_list timer; + struct delayed_work work; u32 last_uptime; u32 lost_cnt; }; diff --git a/drivers/misc/bcm-vk/bcm_vk_msg.c b/drivers/misc/bcm-vk/bcm_vk_msg.c index 3c081504f38c..e17d81231ea6 100644 --- a/drivers/misc/bcm-vk/bcm_vk_msg.c +++ b/drivers/misc/bcm-vk/bcm_vk_msg.c @@ -137,11 +137,11 @@ void bcm_vk_set_host_alert(struct bcm_vk *vk, u32 bit_mask) #define BCM_VK_HB_TIMER_VALUE (BCM_VK_HB_TIMER_S * HZ) #define BCM_VK_HB_LOST_MAX (27 / BCM_VK_HB_TIMER_S) -static void bcm_vk_hb_poll(struct timer_list *t) +static void bcm_vk_hb_poll(struct work_struct *work) { u32 uptime_s; - struct bcm_vk_hb_ctrl *hb = container_of(t, struct bcm_vk_hb_ctrl, - timer); + struct bcm_vk_hb_ctrl *hb = container_of(to_delayed_work(work), struct bcm_vk_hb_ctrl, + work); struct bcm_vk *vk = container_of(hb, struct bcm_vk, hb_ctrl); if (bcm_vk_drv_access_ok(vk) && hb_mon_is_on()) { @@ -177,22 +177,22 @@ static void bcm_vk_hb_poll(struct timer_list *t) bcm_vk_set_host_alert(vk, ERR_LOG_HOST_HB_FAIL); } /* re-arm timer */ - mod_timer(&hb->timer, jiffies + BCM_VK_HB_TIMER_VALUE); + schedule_delayed_work(&hb->work, BCM_VK_HB_TIMER_VALUE); } void bcm_vk_hb_init(struct bcm_vk *vk) { struct bcm_vk_hb_ctrl *hb = &vk->hb_ctrl; - timer_setup(&hb->timer, bcm_vk_hb_poll, 0); - mod_timer(&hb->timer, jiffies + BCM_VK_HB_TIMER_VALUE); + INIT_DELAYED_WORK(&hb->work, bcm_vk_hb_poll); + schedule_delayed_work(&hb->work, BCM_VK_HB_TIMER_VALUE); } void bcm_vk_hb_deinit(struct bcm_vk *vk) { struct bcm_vk_hb_ctrl *hb = &vk->hb_ctrl; - del_timer(&hb->timer); + cancel_delayed_work_sync(&hb->work); } static void bcm_vk_msgid_bitmap_clear(struct bcm_vk *vk, diff --git a/drivers/misc/bcm-vk/bcm_vk_tty.c b/drivers/misc/bcm-vk/bcm_vk_tty.c index 6669625ba4c8..2bce835ca43e 100644 --- a/drivers/misc/bcm-vk/bcm_vk_tty.c +++ b/drivers/misc/bcm-vk/bcm_vk_tty.c @@ -186,9 +186,8 @@ static void bcm_vk_tty_doorbell(struct bcm_vk *vk, u32 db_val) VK_BAR0_REGSEG_DB_BASE + VK_BAR0_REGSEG_TTY_DB_OFFSET); } -static int bcm_vk_tty_write(struct tty_struct *tty, - const unsigned char *buffer, - int count) +static ssize_t bcm_vk_tty_write(struct tty_struct *tty, const u8 *buffer, + size_t count) { int index; struct bcm_vk *vk; diff --git a/drivers/misc/cxl/base.c b/drivers/misc/cxl/base.c index cc0caf9192dc..b054562c046e 100644 --- a/drivers/misc/cxl/base.c +++ b/drivers/misc/cxl/base.c @@ -7,6 +7,7 @@ #include <linux/rcupdate.h> #include <asm/errno.h> #include <misc/cxl-base.h> +#include <linux/of.h> #include <linux/of_platform.h> #include "cxl.h" diff --git a/drivers/misc/cxl/native.c b/drivers/misc/cxl/native.c index 50b0c44bb8d7..fbe16a6ab7ad 100644 --- a/drivers/misc/cxl/native.c +++ b/drivers/misc/cxl/native.c @@ -269,11 +269,6 @@ static void attach_spa(struct cxl_afu *afu) cxl_p1n_write(afu, CXL_PSL_SPAP_An, spap); } -static inline void detach_spa(struct cxl_afu *afu) -{ - cxl_p1n_write(afu, CXL_PSL_SPAP_An, 0); -} - void cxl_release_spa(struct cxl_afu *afu) { if (afu->native->spa) { diff --git a/drivers/misc/cxl/pci.c b/drivers/misc/cxl/pci.c index 0ff944860dda..4cf9e7c42a24 100644 --- a/drivers/misc/cxl/pci.c +++ b/drivers/misc/cxl/pci.c @@ -150,16 +150,7 @@ static inline resource_size_t p2_size(struct pci_dev *dev) static int find_cxl_vsec(struct pci_dev *dev) { - int vsec = 0; - u16 val; - - while ((vsec = pci_find_next_ext_capability(dev, vsec, PCI_EXT_CAP_ID_VNDR))) { - pci_read_config_word(dev, vsec + 0x4, &val); - if (val == CXL_PCI_VSEC_ID) - return vsec; - } - return 0; - + return pci_find_vsec_capability(dev, PCI_VENDOR_ID_IBM, CXL_PCI_VSEC_ID); } static void dump_cxl_config_space(struct pci_dev *dev) diff --git a/drivers/misc/eeprom/idt_89hpesx.c b/drivers/misc/eeprom/idt_89hpesx.c index 740c06382b83..1d1f30b5c426 100644 --- a/drivers/misc/eeprom/idt_89hpesx.c +++ b/drivers/misc/eeprom/idt_89hpesx.c @@ -913,15 +913,9 @@ static ssize_t idt_dbgfs_csr_write(struct file *filep, const char __user *ubuf, return 0; /* Copy data from User-space */ - buf = kmalloc(count + 1, GFP_KERNEL); - if (!buf) - return -ENOMEM; - - if (copy_from_user(buf, ubuf, count)) { - ret = -EFAULT; - goto free_buf; - } - buf[count] = 0; + buf = memdup_user_nul(ubuf, count); + if (IS_ERR(buf)) + return PTR_ERR(buf); /* Find position of colon in the buffer */ colon_ch = strnchr(buf, count, ':'); @@ -1294,14 +1288,15 @@ static int idt_create_sysfs_files(struct idt_89hpesx_dev *pdev) return 0; } - /* Allocate memory for attribute file */ - pdev->ee_file = devm_kmalloc(dev, sizeof(*pdev->ee_file), GFP_KERNEL); + /* + * Allocate memory for attribute file and copy the declared EEPROM attr + * structure to change some of fields + */ + pdev->ee_file = devm_kmemdup(dev, &bin_attr_eeprom, + sizeof(*pdev->ee_file), GFP_KERNEL); if (!pdev->ee_file) return -ENOMEM; - /* Copy the declared EEPROM attr structure to change some of fields */ - memcpy(pdev->ee_file, &bin_attr_eeprom, sizeof(*pdev->ee_file)); - /* In case of read-only EEPROM get rid of write ability */ if (pdev->eero) { pdev->ee_file->attr.mode &= ~0200; diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c index 9666d28037e1..a66b7c111cd5 100644 --- a/drivers/misc/fastrpc.c +++ b/drivers/misc/fastrpc.c @@ -13,6 +13,7 @@ #include <linux/module.h> #include <linux/of_address.h> #include <linux/of.h> +#include <linux/platform_device.h> #include <linux/sort.h> #include <linux/of_platform.h> #include <linux/rpmsg.h> @@ -756,6 +757,7 @@ static int fastrpc_map_create(struct fastrpc_user *fl, int fd, { struct fastrpc_session_ctx *sess = fl->sctx; struct fastrpc_map *map = NULL; + struct sg_table *table; int err = 0; if (!fastrpc_map_lookup(fl, fd, ppmap, true)) @@ -783,11 +785,12 @@ static int fastrpc_map_create(struct fastrpc_user *fl, int fd, goto attach_err; } - map->table = dma_buf_map_attachment_unlocked(map->attach, DMA_BIDIRECTIONAL); - if (IS_ERR(map->table)) { - err = PTR_ERR(map->table); + table = dma_buf_map_attachment_unlocked(map->attach, DMA_BIDIRECTIONAL); + if (IS_ERR(table)) { + err = PTR_ERR(table); goto map_err; } + map->table = table; if (attr & FASTRPC_ATTR_SECUREMAP) { map->phys = sg_phys(map->table->sgl); @@ -1322,13 +1325,18 @@ static int fastrpc_init_create_static_process(struct fastrpc_user *fl, return 0; err_invoke: if (fl->cctx->vmcount) { - struct qcom_scm_vmperm perm; + u64 src_perms = 0; + struct qcom_scm_vmperm dst_perms; + u32 i; + + for (i = 0; i < fl->cctx->vmcount; i++) + src_perms |= BIT(fl->cctx->vmperms[i].vmid); - perm.vmid = QCOM_SCM_VMID_HLOS; - perm.perm = QCOM_SCM_PERM_RWX; + dst_perms.vmid = QCOM_SCM_VMID_HLOS; + dst_perms.perm = QCOM_SCM_PERM_RWX; err = qcom_scm_assign_mem(fl->cctx->remote_heap->phys, (u64)fl->cctx->remote_heap->size, - &fl->cctx->perms, &perm, 1); + &src_perms, &dst_perms, 1); if (err) dev_err(fl->sctx->dev, "Failed to assign memory phys 0x%llx size 0x%llx err %d", fl->cctx->remote_heap->phys, fl->cctx->remote_heap->size, err); @@ -1866,7 +1874,11 @@ static int fastrpc_req_mmap(struct fastrpc_user *fl, char __user *argp) return -EINVAL; } - err = fastrpc_buf_alloc(fl, fl->sctx->dev, req.size, &buf); + if (req.flags == ADSP_MMAP_REMOTE_HEAP_ADDR) + err = fastrpc_remote_heap_alloc(fl, dev, req.size, &buf); + else + err = fastrpc_buf_alloc(fl, dev, req.size, &buf); + if (err) { dev_err(dev, "failed to allocate buffer\n"); return err; @@ -1905,12 +1917,8 @@ static int fastrpc_req_mmap(struct fastrpc_user *fl, char __user *argp) /* Add memory to static PD pool, protection thru hypervisor */ if (req.flags == ADSP_MMAP_REMOTE_HEAP_ADDR && fl->cctx->vmcount) { - struct qcom_scm_vmperm perm; - - perm.vmid = QCOM_SCM_VMID_HLOS; - perm.perm = QCOM_SCM_PERM_RWX; - err = qcom_scm_assign_mem(buf->phys, buf->size, - &fl->cctx->perms, &perm, 1); + err = qcom_scm_assign_mem(buf->phys, (u64)buf->size, + &fl->cctx->perms, fl->cctx->vmperms, fl->cctx->vmcount); if (err) { dev_err(fl->sctx->dev, "Failed to assign memory phys 0x%llx size 0x%llx err %d", buf->phys, buf->size, err); diff --git a/drivers/misc/genwqe/card_base.c b/drivers/misc/genwqe/card_base.c index b03010810b89..224a7e97cbea 100644 --- a/drivers/misc/genwqe/card_base.c +++ b/drivers/misc/genwqe/card_base.c @@ -42,7 +42,7 @@ MODULE_VERSION(DRV_VERSION); MODULE_LICENSE("GPL"); static char genwqe_driver_name[] = GENWQE_DEVNAME; -static struct class *class_genwqe; + static struct dentry *debugfs_genwqe; static struct genwqe_dev *genwqe_devices[GENWQE_CARD_NO_MAX]; @@ -105,6 +105,26 @@ static const struct pci_device_id genwqe_device_table[] = { MODULE_DEVICE_TABLE(pci, genwqe_device_table); /** + * genwqe_devnode() - Set default access mode for genwqe devices. + * @dev: Pointer to device (unused) + * @mode: Carrier to pass-back given mode (permissions) + * + * Default mode should be rw for everybody. Do not change default + * device name. + */ +static char *genwqe_devnode(const struct device *dev, umode_t *mode) +{ + if (mode) + *mode = 0666; + return NULL; +} + +static const struct class class_genwqe = { + .name = GENWQE_DEVNAME, + .devnode = genwqe_devnode, +}; + +/** * genwqe_dev_alloc() - Create and prepare a new card descriptor * * Return: Pointer to card descriptor, or ERR_PTR(err) on error @@ -126,7 +146,7 @@ static struct genwqe_dev *genwqe_dev_alloc(void) return ERR_PTR(-ENOMEM); cd->card_idx = i; - cd->class_genwqe = class_genwqe; + cd->class_genwqe = &class_genwqe; cd->debugfs_genwqe = debugfs_genwqe; /* @@ -1340,35 +1360,18 @@ static struct pci_driver genwqe_driver = { }; /** - * genwqe_devnode() - Set default access mode for genwqe devices. - * @dev: Pointer to device (unused) - * @mode: Carrier to pass-back given mode (permissions) - * - * Default mode should be rw for everybody. Do not change default - * device name. - */ -static char *genwqe_devnode(const struct device *dev, umode_t *mode) -{ - if (mode) - *mode = 0666; - return NULL; -} - -/** * genwqe_init_module() - Driver registration and initialization */ static int __init genwqe_init_module(void) { int rc; - class_genwqe = class_create(GENWQE_DEVNAME); - if (IS_ERR(class_genwqe)) { + rc = class_register(&class_genwqe); + if (rc) { pr_err("[%s] create class failed\n", __func__); return -ENOMEM; } - class_genwqe->devnode = genwqe_devnode; - debugfs_genwqe = debugfs_create_dir(GENWQE_DEVNAME, NULL); rc = pci_register_driver(&genwqe_driver); @@ -1381,7 +1384,7 @@ static int __init genwqe_init_module(void) err_out0: debugfs_remove(debugfs_genwqe); - class_destroy(class_genwqe); + class_unregister(&class_genwqe); return rc; } @@ -1392,7 +1395,7 @@ static void __exit genwqe_exit_module(void) { pci_unregister_driver(&genwqe_driver); debugfs_remove(debugfs_genwqe); - class_destroy(class_genwqe); + class_unregister(&class_genwqe); } module_init(genwqe_init_module); diff --git a/drivers/misc/genwqe/card_base.h b/drivers/misc/genwqe/card_base.h index 0e902977d35f..d700266f2cd0 100644 --- a/drivers/misc/genwqe/card_base.h +++ b/drivers/misc/genwqe/card_base.h @@ -289,7 +289,7 @@ struct genwqe_dev { /* char device */ dev_t devnum_genwqe; /* major/minor num card */ - struct class *class_genwqe; /* reference to class object */ + const struct class *class_genwqe; /* reference to class object */ struct device *dev; /* for device creation */ struct cdev cdev_genwqe; /* char device for card */ diff --git a/drivers/misc/hi6421v600-irq.c b/drivers/misc/hi6421v600-irq.c index caa3de37698b..b075d803a2c2 100644 --- a/drivers/misc/hi6421v600-irq.c +++ b/drivers/misc/hi6421v600-irq.c @@ -244,10 +244,8 @@ static int hi6421v600_irq_probe(struct platform_device *pdev) pmic_pdev = container_of(pmic_dev, struct platform_device, dev); priv->irq = platform_get_irq(pmic_pdev, 0); - if (priv->irq < 0) { - dev_err(dev, "Error %d when getting IRQs\n", priv->irq); + if (priv->irq < 0) return priv->irq; - } platform_set_drvdata(pdev, priv); diff --git a/drivers/misc/hpilo.c b/drivers/misc/hpilo.c index 2fde8d63c5fe..f1b74d3f8958 100644 --- a/drivers/misc/hpilo.c +++ b/drivers/misc/hpilo.c @@ -25,7 +25,9 @@ #include <linux/slab.h> #include "hpilo.h" -static struct class *ilo_class; +static const struct class ilo_class = { + .name = "iLO", +}; static unsigned int ilo_major; static unsigned int max_ccb = 16; static char ilo_hwdev[MAX_ILO_DEV]; @@ -746,7 +748,7 @@ static void ilo_remove(struct pci_dev *pdev) minor = MINOR(ilo_hw->cdev.dev); for (i = minor; i < minor + max_ccb; i++) - device_destroy(ilo_class, MKDEV(ilo_major, i)); + device_destroy(&ilo_class, MKDEV(ilo_major, i)); cdev_del(&ilo_hw->cdev); ilo_disable_interrupts(ilo_hw); @@ -839,7 +841,7 @@ static int ilo_probe(struct pci_dev *pdev, for (minor = 0 ; minor < max_ccb; minor++) { struct device *dev; - dev = device_create(ilo_class, &pdev->dev, + dev = device_create(&ilo_class, &pdev->dev, MKDEV(ilo_major, minor), NULL, "hpilo!d%dccb%d", devnum, minor); if (IS_ERR(dev)) @@ -882,11 +884,9 @@ static int __init ilo_init(void) int error; dev_t dev; - ilo_class = class_create("iLO"); - if (IS_ERR(ilo_class)) { - error = PTR_ERR(ilo_class); + error = class_register(&ilo_class); + if (error) goto out; - } error = alloc_chrdev_region(&dev, 0, MAX_OPEN, ILO_NAME); if (error) @@ -902,7 +902,7 @@ static int __init ilo_init(void) chr_remove: unregister_chrdev_region(dev, MAX_OPEN); class_destroy: - class_destroy(ilo_class); + class_unregister(&ilo_class); out: return error; } @@ -911,7 +911,7 @@ static void __exit ilo_exit(void) { pci_unregister_driver(&ilo_driver); unregister_chrdev_region(MKDEV(ilo_major, 0), MAX_OPEN); - class_destroy(ilo_class); + class_unregister(&ilo_class); } MODULE_VERSION("1.5.0"); diff --git a/drivers/misc/lis3lv02d/lis3lv02d.c b/drivers/misc/lis3lv02d/lis3lv02d.c index 299d316f1bda..49868a45c0ad 100644 --- a/drivers/misc/lis3lv02d/lis3lv02d.c +++ b/drivers/misc/lis3lv02d/lis3lv02d.c @@ -26,7 +26,7 @@ #include <linux/miscdevice.h> #include <linux/pm_runtime.h> #include <linux/atomic.h> -#include <linux/of_device.h> +#include <linux/of.h> #include "lis3lv02d.h" #define DRIVER_NAME "lis3lv02d" diff --git a/drivers/misc/mchp_pci1xxxx/Kconfig b/drivers/misc/mchp_pci1xxxx/Kconfig index 4abb47de7219..64e457581fb4 100644 --- a/drivers/misc/mchp_pci1xxxx/Kconfig +++ b/drivers/misc/mchp_pci1xxxx/Kconfig @@ -2,6 +2,7 @@ config GP_PCI1XXXX tristate "Microchip PCI1XXXX PCIe to GPIO Expander + OTP/EEPROM manager" depends on PCI depends on GPIOLIB + depends on NVMEM_SYSFS select GPIOLIB_IRQCHIP select AUXILIARY_BUS help diff --git a/drivers/misc/mchp_pci1xxxx/Makefile b/drivers/misc/mchp_pci1xxxx/Makefile index fc4615cfe28b..ae31251dab37 100644 --- a/drivers/misc/mchp_pci1xxxx/Makefile +++ b/drivers/misc/mchp_pci1xxxx/Makefile @@ -1 +1 @@ -obj-$(CONFIG_GP_PCI1XXXX) := mchp_pci1xxxx_gp.o mchp_pci1xxxx_gpio.o +obj-$(CONFIG_GP_PCI1XXXX) := mchp_pci1xxxx_gp.o mchp_pci1xxxx_gpio.o mchp_pci1xxxx_otpe2p.o diff --git a/drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_otpe2p.c b/drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_otpe2p.c new file mode 100644 index 000000000000..16695cb5e69c --- /dev/null +++ b/drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_otpe2p.c @@ -0,0 +1,443 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (C) 2022-2023 Microchip Technology Inc. +// PCI1xxxx OTP/EEPROM driver + +#include <linux/auxiliary_bus.h> +#include <linux/device.h> +#include <linux/iopoll.h> +#include <linux/module.h> +#include <linux/nvmem-provider.h> + +#include "mchp_pci1xxxx_gp.h" + +#define AUX_DRIVER_NAME "PCI1xxxxOTPE2P" +#define EEPROM_NAME "pci1xxxx_eeprom" +#define OTP_NAME "pci1xxxx_otp" + +#define PERI_PF3_SYSTEM_REG_ADDR_BASE 0x2000 +#define PERI_PF3_SYSTEM_REG_LENGTH 0x4000 + +#define EEPROM_SIZE_BYTES 8192 +#define OTP_SIZE_BYTES 8192 + +#define CONFIG_REG_ADDR_BASE 0 +#define EEPROM_REG_ADDR_BASE 0x0E00 +#define OTP_REG_ADDR_BASE 0x1000 + +#define MMAP_OTP_OFFSET(x) (OTP_REG_ADDR_BASE + (x)) +#define MMAP_EEPROM_OFFSET(x) (EEPROM_REG_ADDR_BASE + (x)) +#define MMAP_CFG_OFFSET(x) (CONFIG_REG_ADDR_BASE + (x)) + +#define EEPROM_CMD_REG 0x00 +#define EEPROM_DATA_REG 0x04 + +#define EEPROM_CMD_EPC_WRITE (BIT(29) | BIT(28)) +#define EEPROM_CMD_EPC_TIMEOUT_BIT BIT(17) +#define EEPROM_CMD_EPC_BUSY_BIT BIT(31) + +#define STATUS_READ_DELAY_US 1 +#define STATUS_READ_TIMEOUT_US 20000 + +#define OTP_ADDR_HIGH_OFFSET 0x04 +#define OTP_ADDR_LOW_OFFSET 0x08 +#define OTP_PRGM_DATA_OFFSET 0x10 +#define OTP_PRGM_MODE_OFFSET 0x14 +#define OTP_RD_DATA_OFFSET 0x18 +#define OTP_FUNC_CMD_OFFSET 0x20 +#define OTP_CMD_GO_OFFSET 0x28 +#define OTP_PASS_FAIL_OFFSET 0x2C +#define OTP_STATUS_OFFSET 0x30 + +#define OTP_FUNC_RD_BIT BIT(0) +#define OTP_FUNC_PGM_BIT BIT(1) +#define OTP_CMD_GO_BIT BIT(0) +#define OTP_STATUS_BUSY_BIT BIT(0) +#define OTP_PGM_MODE_BYTE_BIT BIT(0) +#define OTP_FAIL_BIT BIT(0) + +#define OTP_PWR_DN_BIT BIT(0) +#define OTP_PWR_DN_OFFSET 0x00 + +#define CFG_SYS_LOCK_OFFSET 0xA0 +#define CFG_SYS_LOCK_PF3 BIT(5) + +#define BYTE_LOW (GENMASK(7, 0)) +#define BYTE_HIGH (GENMASK(12, 8)) + +struct pci1xxxx_otp_eeprom_device { + struct auxiliary_device *pdev; + void __iomem *reg_base; + struct nvmem_config nvmem_config_eeprom; + struct nvmem_device *nvmem_eeprom; + struct nvmem_config nvmem_config_otp; + struct nvmem_device *nvmem_otp; +}; + +static int set_sys_lock(struct pci1xxxx_otp_eeprom_device *priv) +{ + void __iomem *sys_lock = priv->reg_base + + MMAP_CFG_OFFSET(CFG_SYS_LOCK_OFFSET); + u8 data; + + writel(CFG_SYS_LOCK_PF3, sys_lock); + data = readl(sys_lock); + if (data != CFG_SYS_LOCK_PF3) + return -EPERM; + + return 0; +} + +static void release_sys_lock(struct pci1xxxx_otp_eeprom_device *priv) +{ + void __iomem *sys_lock = priv->reg_base + + MMAP_CFG_OFFSET(CFG_SYS_LOCK_OFFSET); + writel(0, sys_lock); +} + +static bool is_eeprom_responsive(struct pci1xxxx_otp_eeprom_device *priv) +{ + void __iomem *rb = priv->reg_base; + u32 regval; + int ret; + + writel(EEPROM_CMD_EPC_TIMEOUT_BIT, + rb + MMAP_EEPROM_OFFSET(EEPROM_CMD_REG)); + writel(EEPROM_CMD_EPC_BUSY_BIT, + rb + MMAP_EEPROM_OFFSET(EEPROM_CMD_REG)); + + /* Wait for the EPC_BUSY bit to get cleared or timeout bit to get set*/ + ret = read_poll_timeout(readl, regval, !(regval & EEPROM_CMD_EPC_BUSY_BIT), + STATUS_READ_DELAY_US, STATUS_READ_TIMEOUT_US, + true, rb + MMAP_EEPROM_OFFSET(EEPROM_CMD_REG)); + + /* Return failure if either of software or hardware timeouts happen */ + if (ret < 0 || (!ret && (regval & EEPROM_CMD_EPC_TIMEOUT_BIT))) + return false; + + return true; +} + +static int pci1xxxx_eeprom_read(void *priv_t, unsigned int off, + void *buf_t, size_t count) +{ + struct pci1xxxx_otp_eeprom_device *priv = priv_t; + void __iomem *rb = priv->reg_base; + char *buf = buf_t; + u32 regval; + u32 byte; + int ret; + + if (off >= priv->nvmem_config_eeprom.size) + return -EFAULT; + + if ((off + count) > priv->nvmem_config_eeprom.size) + count = priv->nvmem_config_eeprom.size - off; + + ret = set_sys_lock(priv); + if (ret) + return ret; + + for (byte = 0; byte < count; byte++) { + writel(EEPROM_CMD_EPC_BUSY_BIT | (off + byte), rb + + MMAP_EEPROM_OFFSET(EEPROM_CMD_REG)); + + ret = read_poll_timeout(readl, regval, + !(regval & EEPROM_CMD_EPC_BUSY_BIT), + STATUS_READ_DELAY_US, + STATUS_READ_TIMEOUT_US, true, + rb + MMAP_EEPROM_OFFSET(EEPROM_CMD_REG)); + if (ret < 0 || (!ret && (regval & EEPROM_CMD_EPC_TIMEOUT_BIT))) { + ret = -EIO; + goto error; + } + + buf[byte] = readl(rb + MMAP_EEPROM_OFFSET(EEPROM_DATA_REG)); + } + ret = byte; +error: + release_sys_lock(priv); + return ret; +} + +static int pci1xxxx_eeprom_write(void *priv_t, unsigned int off, + void *value_t, size_t count) +{ + struct pci1xxxx_otp_eeprom_device *priv = priv_t; + void __iomem *rb = priv->reg_base; + char *value = value_t; + u32 regval; + u32 byte; + int ret; + + if (off >= priv->nvmem_config_eeprom.size) + return -EFAULT; + + if ((off + count) > priv->nvmem_config_eeprom.size) + count = priv->nvmem_config_eeprom.size - off; + + ret = set_sys_lock(priv); + if (ret) + return ret; + + for (byte = 0; byte < count; byte++) { + writel(*(value + byte), rb + MMAP_EEPROM_OFFSET(EEPROM_DATA_REG)); + regval = EEPROM_CMD_EPC_TIMEOUT_BIT | EEPROM_CMD_EPC_WRITE | + (off + byte); + writel(regval, rb + MMAP_EEPROM_OFFSET(EEPROM_CMD_REG)); + writel(EEPROM_CMD_EPC_BUSY_BIT | regval, + rb + MMAP_EEPROM_OFFSET(EEPROM_CMD_REG)); + + ret = read_poll_timeout(readl, regval, + !(regval & EEPROM_CMD_EPC_BUSY_BIT), + STATUS_READ_DELAY_US, + STATUS_READ_TIMEOUT_US, true, + rb + MMAP_EEPROM_OFFSET(EEPROM_CMD_REG)); + if (ret < 0 || (!ret && (regval & EEPROM_CMD_EPC_TIMEOUT_BIT))) { + ret = -EIO; + goto error; + } + } + ret = byte; +error: + release_sys_lock(priv); + return ret; +} + +static void otp_device_set_address(struct pci1xxxx_otp_eeprom_device *priv, + u16 address) +{ + u16 lo, hi; + + lo = address & BYTE_LOW; + hi = (address & BYTE_HIGH) >> 8; + writew(lo, priv->reg_base + MMAP_OTP_OFFSET(OTP_ADDR_LOW_OFFSET)); + writew(hi, priv->reg_base + MMAP_OTP_OFFSET(OTP_ADDR_HIGH_OFFSET)); +} + +static int pci1xxxx_otp_read(void *priv_t, unsigned int off, + void *buf_t, size_t count) +{ + struct pci1xxxx_otp_eeprom_device *priv = priv_t; + void __iomem *rb = priv->reg_base; + char *buf = buf_t; + u32 regval; + u32 byte; + int ret; + u8 data; + + if (off >= priv->nvmem_config_otp.size) + return -EFAULT; + + if ((off + count) > priv->nvmem_config_otp.size) + count = priv->nvmem_config_otp.size - off; + + ret = set_sys_lock(priv); + if (ret) + return ret; + + for (byte = 0; byte < count; byte++) { + otp_device_set_address(priv, (u16)(off + byte)); + data = readl(rb + MMAP_OTP_OFFSET(OTP_FUNC_CMD_OFFSET)); + writel(data | OTP_FUNC_RD_BIT, + rb + MMAP_OTP_OFFSET(OTP_FUNC_CMD_OFFSET)); + data = readl(rb + MMAP_OTP_OFFSET(OTP_CMD_GO_OFFSET)); + writel(data | OTP_CMD_GO_BIT, + rb + MMAP_OTP_OFFSET(OTP_CMD_GO_OFFSET)); + + ret = read_poll_timeout(readl, regval, + !(regval & OTP_STATUS_BUSY_BIT), + STATUS_READ_DELAY_US, + STATUS_READ_TIMEOUT_US, true, + rb + MMAP_OTP_OFFSET(OTP_STATUS_OFFSET)); + + data = readl(rb + MMAP_OTP_OFFSET(OTP_PASS_FAIL_OFFSET)); + if (ret < 0 || data & OTP_FAIL_BIT) { + ret = -EIO; + goto error; + } + + buf[byte] = readl(rb + MMAP_OTP_OFFSET(OTP_RD_DATA_OFFSET)); + } + ret = byte; +error: + release_sys_lock(priv); + return ret; +} + +static int pci1xxxx_otp_write(void *priv_t, unsigned int off, + void *value_t, size_t count) +{ + struct pci1xxxx_otp_eeprom_device *priv = priv_t; + void __iomem *rb = priv->reg_base; + char *value = value_t; + u32 regval; + u32 byte; + int ret; + u8 data; + + if (off >= priv->nvmem_config_otp.size) + return -EFAULT; + + if ((off + count) > priv->nvmem_config_otp.size) + count = priv->nvmem_config_otp.size - off; + + ret = set_sys_lock(priv); + if (ret) + return ret; + + for (byte = 0; byte < count; byte++) { + otp_device_set_address(priv, (u16)(off + byte)); + + /* + * Set OTP_PGM_MODE_BYTE command bit in OTP_PRGM_MODE register + * to enable Byte programming + */ + data = readl(rb + MMAP_OTP_OFFSET(OTP_PRGM_MODE_OFFSET)); + writel(data | OTP_PGM_MODE_BYTE_BIT, + rb + MMAP_OTP_OFFSET(OTP_PRGM_MODE_OFFSET)); + writel(*(value + byte), rb + MMAP_OTP_OFFSET(OTP_PRGM_DATA_OFFSET)); + data = readl(rb + MMAP_OTP_OFFSET(OTP_FUNC_CMD_OFFSET)); + writel(data | OTP_FUNC_PGM_BIT, + rb + MMAP_OTP_OFFSET(OTP_FUNC_CMD_OFFSET)); + data = readl(rb + MMAP_OTP_OFFSET(OTP_CMD_GO_OFFSET)); + writel(data | OTP_CMD_GO_BIT, + rb + MMAP_OTP_OFFSET(OTP_CMD_GO_OFFSET)); + + ret = read_poll_timeout(readl, regval, + !(regval & OTP_STATUS_BUSY_BIT), + STATUS_READ_DELAY_US, + STATUS_READ_TIMEOUT_US, true, + rb + MMAP_OTP_OFFSET(OTP_STATUS_OFFSET)); + + data = readl(rb + MMAP_OTP_OFFSET(OTP_PASS_FAIL_OFFSET)); + if (ret < 0 || data & OTP_FAIL_BIT) { + ret = -EIO; + goto error; + } + } + ret = byte; +error: + release_sys_lock(priv); + return ret; +} + +static int pci1xxxx_otp_eeprom_probe(struct auxiliary_device *aux_dev, + const struct auxiliary_device_id *id) +{ + struct auxiliary_device_wrapper *aux_dev_wrapper; + struct pci1xxxx_otp_eeprom_device *priv; + struct gp_aux_data_type *pdata; + int ret; + u8 data; + + aux_dev_wrapper = container_of(aux_dev, struct auxiliary_device_wrapper, + aux_dev); + pdata = &aux_dev_wrapper->gp_aux_data; + if (!pdata) + return -EINVAL; + + priv = devm_kzalloc(&aux_dev->dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + priv->pdev = aux_dev; + + if (!devm_request_mem_region(&aux_dev->dev, pdata->region_start + + PERI_PF3_SYSTEM_REG_ADDR_BASE, + PERI_PF3_SYSTEM_REG_LENGTH, + aux_dev->name)) + return -ENOMEM; + + priv->reg_base = devm_ioremap(&aux_dev->dev, pdata->region_start + + PERI_PF3_SYSTEM_REG_ADDR_BASE, + PERI_PF3_SYSTEM_REG_LENGTH); + if (!priv->reg_base) + return -ENOMEM; + + ret = set_sys_lock(priv); + if (ret) + return ret; + + /* Set OTP_PWR_DN to 0 to make OTP Operational */ + data = readl(priv->reg_base + MMAP_OTP_OFFSET(OTP_PWR_DN_OFFSET)); + writel(data & ~OTP_PWR_DN_BIT, + priv->reg_base + MMAP_OTP_OFFSET(OTP_PWR_DN_OFFSET)); + + dev_set_drvdata(&aux_dev->dev, priv); + + if (is_eeprom_responsive(priv)) { + priv->nvmem_config_eeprom.type = NVMEM_TYPE_EEPROM; + priv->nvmem_config_eeprom.name = EEPROM_NAME; + priv->nvmem_config_eeprom.dev = &aux_dev->dev; + priv->nvmem_config_eeprom.owner = THIS_MODULE; + priv->nvmem_config_eeprom.reg_read = pci1xxxx_eeprom_read; + priv->nvmem_config_eeprom.reg_write = pci1xxxx_eeprom_write; + priv->nvmem_config_eeprom.priv = priv; + priv->nvmem_config_eeprom.stride = 1; + priv->nvmem_config_eeprom.word_size = 1; + priv->nvmem_config_eeprom.size = EEPROM_SIZE_BYTES; + + priv->nvmem_eeprom = devm_nvmem_register(&aux_dev->dev, + &priv->nvmem_config_eeprom); + if (IS_ERR(priv->nvmem_eeprom)) + return PTR_ERR(priv->nvmem_eeprom); + } + + release_sys_lock(priv); + + priv->nvmem_config_otp.type = NVMEM_TYPE_OTP; + priv->nvmem_config_otp.name = OTP_NAME; + priv->nvmem_config_otp.dev = &aux_dev->dev; + priv->nvmem_config_otp.owner = THIS_MODULE; + priv->nvmem_config_otp.reg_read = pci1xxxx_otp_read; + priv->nvmem_config_otp.reg_write = pci1xxxx_otp_write; + priv->nvmem_config_otp.priv = priv; + priv->nvmem_config_otp.stride = 1; + priv->nvmem_config_otp.word_size = 1; + priv->nvmem_config_otp.size = OTP_SIZE_BYTES; + + priv->nvmem_otp = devm_nvmem_register(&aux_dev->dev, + &priv->nvmem_config_otp); + if (IS_ERR(priv->nvmem_otp)) + return PTR_ERR(priv->nvmem_otp); + + return ret; +} + +static void pci1xxxx_otp_eeprom_remove(struct auxiliary_device *aux_dev) +{ + struct pci1xxxx_otp_eeprom_device *priv; + void __iomem *sys_lock; + + priv = dev_get_drvdata(&aux_dev->dev); + sys_lock = priv->reg_base + MMAP_CFG_OFFSET(CFG_SYS_LOCK_OFFSET); + writel(CFG_SYS_LOCK_PF3, sys_lock); + + /* Shut down OTP */ + writel(OTP_PWR_DN_BIT, + priv->reg_base + MMAP_OTP_OFFSET(OTP_PWR_DN_OFFSET)); + + writel(0, sys_lock); +} + +static const struct auxiliary_device_id pci1xxxx_otp_eeprom_auxiliary_id_table[] = { + {.name = "mchp_pci1xxxx_gp.gp_otp_e2p"}, + {}, +}; +MODULE_DEVICE_TABLE(auxiliary, pci1xxxx_otp_eeprom_auxiliary_id_table); + +static struct auxiliary_driver pci1xxxx_otp_eeprom_driver = { + .driver = { + .name = AUX_DRIVER_NAME, + }, + .probe = pci1xxxx_otp_eeprom_probe, + .remove = pci1xxxx_otp_eeprom_remove, + .id_table = pci1xxxx_otp_eeprom_auxiliary_id_table +}; +module_auxiliary_driver(pci1xxxx_otp_eeprom_driver); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Kumaravel Thiagarajan <kumaravel.thiagarajan@microchip.com>"); +MODULE_AUTHOR("Tharun Kumar P <tharunkumar.pasumarthi@microchip.com>"); +MODULE_AUTHOR("Vaibhaav Ram T.L <vaibhaavram.tl@microchip.com>"); +MODULE_DESCRIPTION("Microchip Technology Inc. PCI1xxxx OTP EEPROM Programmer"); diff --git a/drivers/misc/mei/bus-fixup.c b/drivers/misc/mei/bus-fixup.c index b8b716faf192..2733070acf39 100644 --- a/drivers/misc/mei/bus-fixup.c +++ b/drivers/misc/mei/bus-fixup.c @@ -184,6 +184,7 @@ static int mei_fwver(struct mei_cl_device *cldev) cldev->bus->fw_ver[i].hotfix = fwver->ver[i].hotfix; cldev->bus->fw_ver[i].buildno = fwver->ver[i].buildno; } + cldev->bus->fw_ver_received = 1; return ret; } @@ -237,8 +238,11 @@ static void mei_gsc_mkhi_ver(struct mei_cl_device *cldev) { int ret; - /* No need to enable the client if nothing is needed from it */ - if (!cldev->bus->fw_f_fw_ver_supported) + /* + * No need to enable the client if nothing is needed from it. + * No need to fill in version if it is already filled in by the fix address client. + */ + if (!cldev->bus->fw_f_fw_ver_supported || cldev->bus->fw_ver_received) return; ret = mei_cldev_enable(cldev); @@ -555,8 +559,8 @@ static struct mei_fixup { MEI_FIXUP(MEI_UUID_NFC_HCI, mei_nfc), MEI_FIXUP(MEI_UUID_WD, mei_wd), MEI_FIXUP(MEI_UUID_MKHIF_FIX, mei_mkhi_fix), - MEI_FIXUP(MEI_UUID_IGSC_MKHI, mei_gsc_mkhi_ver), MEI_FIXUP(MEI_UUID_IGSC_MKHI_FIX, mei_gsc_mkhi_fix_ver), + MEI_FIXUP(MEI_UUID_IGSC_MKHI, mei_gsc_mkhi_ver), MEI_FIXUP(MEI_UUID_HDCP, whitelist), MEI_FIXUP(MEI_UUID_ANY, vt_support), MEI_FIXUP(MEI_UUID_PAVP, pxp_is_ready), diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c index 33ec6424dfee..2e65ce6bdec7 100644 --- a/drivers/misc/mei/bus.c +++ b/drivers/misc/mei/bus.c @@ -1329,6 +1329,7 @@ static struct mei_cl_device *mei_cl_bus_dev_alloc(struct mei_device *bus, mei_cl_bus_set_name(cldev); cldev->is_added = 0; INIT_LIST_HEAD(&cldev->bus_list); + device_enable_async_suspend(&cldev->dev); return cldev; } diff --git a/drivers/misc/mei/gsc-me.c b/drivers/misc/mei/gsc-me.c index e63cabd0818d..6be8f1cc052c 100644 --- a/drivers/misc/mei/gsc-me.c +++ b/drivers/misc/mei/gsc-me.c @@ -312,4 +312,5 @@ module_auxiliary_driver(mei_gsc_driver); MODULE_AUTHOR("Intel Corporation"); MODULE_ALIAS("auxiliary:i915.mei-gsc"); MODULE_ALIAS("auxiliary:i915.mei-gscfi"); +MODULE_DESCRIPTION("Intel(R) Graphics System Controller"); MODULE_LICENSE("GPL"); diff --git a/drivers/misc/mei/init.c b/drivers/misc/mei/init.c index bac8852aad51..c35e005b26be 100644 --- a/drivers/misc/mei/init.c +++ b/drivers/misc/mei/init.c @@ -142,6 +142,9 @@ int mei_reset(struct mei_device *dev) mei_hbm_reset(dev); + /* clean stale FW version */ + dev->fw_ver_received = 0; + memset(dev->rd_msg_hdr, 0, sizeof(dev->rd_msg_hdr)); if (ret) { @@ -157,7 +160,10 @@ int mei_reset(struct mei_device *dev) ret = mei_hw_start(dev); if (ret) { - dev_err(dev->dev, "hw_start failed ret = %d\n", ret); + char fw_sts_str[MEI_FW_STATUS_STR_SZ]; + + mei_fw_status_str(dev, fw_sts_str, MEI_FW_STATUS_STR_SZ); + dev_err(dev->dev, "hw_start failed ret = %d fw status = %s\n", ret, fw_sts_str); return ret; } diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c index 51876da3fd65..bb4e9eabda97 100644 --- a/drivers/misc/mei/main.c +++ b/drivers/misc/mei/main.c @@ -27,7 +27,10 @@ #include "mei_dev.h" #include "client.h" -static struct class *mei_class; +static const struct class mei_class = { + .name = "mei", +}; + static dev_t mei_devt; #define MEI_MAX_DEVS MINORMASK static DEFINE_MUTEX(mei_minor_lock); @@ -1115,7 +1118,7 @@ void mei_set_devstate(struct mei_device *dev, enum mei_dev_state state) dev->dev_state = state; - clsdev = class_find_device_by_devt(mei_class, dev->cdev.dev); + clsdev = class_find_device_by_devt(&mei_class, dev->cdev.dev); if (clsdev) { sysfs_notify(&clsdev->kobj, NULL, "dev_state"); put_device(clsdev); @@ -1232,7 +1235,7 @@ int mei_register(struct mei_device *dev, struct device *parent) goto err_dev_add; } - clsdev = device_create_with_groups(mei_class, parent, devno, + clsdev = device_create_with_groups(&mei_class, parent, devno, dev, mei_groups, "mei%d", dev->minor); @@ -1264,7 +1267,7 @@ void mei_deregister(struct mei_device *dev) mei_dbgfs_deregister(dev); - device_destroy(mei_class, devno); + device_destroy(&mei_class, devno); mei_minor_free(dev); } @@ -1274,12 +1277,9 @@ static int __init mei_init(void) { int ret; - mei_class = class_create("mei"); - if (IS_ERR(mei_class)) { - pr_err("couldn't create class\n"); - ret = PTR_ERR(mei_class); - goto err; - } + ret = class_register(&mei_class); + if (ret) + return ret; ret = alloc_chrdev_region(&mei_devt, 0, MEI_MAX_DEVS, "mei"); if (ret < 0) { @@ -1298,15 +1298,14 @@ static int __init mei_init(void) err_chrdev: unregister_chrdev_region(mei_devt, MEI_MAX_DEVS); err_class: - class_destroy(mei_class); -err: + class_unregister(&mei_class); return ret; } static void __exit mei_exit(void) { unregister_chrdev_region(mei_devt, MEI_MAX_DEVS); - class_destroy(mei_class); + class_unregister(&mei_class); mei_cl_bus_exit(); } diff --git a/drivers/misc/mei/mei_dev.h b/drivers/misc/mei/mei_dev.h index 895011b7a0bf..cdf8a2edf0b3 100644 --- a/drivers/misc/mei/mei_dev.h +++ b/drivers/misc/mei/mei_dev.h @@ -512,6 +512,7 @@ struct mei_dev_timeouts { * @fw_ver : FW versions * * @fw_f_fw_ver_supported : fw feature: fw version supported + * @fw_ver_received : fw version received * * @me_clients_rwsem: rw lock over me_clients list * @me_clients : list of FW clients @@ -604,6 +605,7 @@ struct mei_device { struct mei_fw_version fw_ver[MEI_MAX_FW_VER_BLOCKS]; unsigned int fw_f_fw_ver_supported:1; + unsigned int fw_ver_received:1; struct rw_semaphore me_clients_rwsem; struct list_head me_clients; diff --git a/drivers/misc/mei/pxp/mei_pxp.c b/drivers/misc/mei/pxp/mei_pxp.c index 3bf560bbdee0..2dcb9169e404 100644 --- a/drivers/misc/mei/pxp/mei_pxp.c +++ b/drivers/misc/mei/pxp/mei_pxp.c @@ -40,8 +40,7 @@ mei_pxp_send_message(struct device *dev, const void *message, size_t size) cldev = to_mei_cl_device(dev); - /* temporary drop const qualifier till the API is fixed */ - byte = mei_cldev_send(cldev, (u8 *)message, size); + byte = mei_cldev_send(cldev, message, size); if (byte < 0) { dev_dbg(dev, "mei_cldev_send failed. %zd\n", byte); return byte; diff --git a/drivers/misc/qcom-coincell.c b/drivers/misc/qcom-coincell.c index 54d4f6ee8888..3c57f7429147 100644 --- a/drivers/misc/qcom-coincell.c +++ b/drivers/misc/qcom-coincell.c @@ -8,7 +8,6 @@ #include <linux/slab.h> #include <linux/of.h> #include <linux/regmap.h> -#include <linux/of_device.h> #include <linux/platform_device.h> struct qcom_coincell { diff --git a/drivers/misc/sram.c b/drivers/misc/sram.c index 61209739dc43..e248c0a8882f 100644 --- a/drivers/misc/sram.c +++ b/drivers/misc/sram.c @@ -10,8 +10,8 @@ #include <linux/genalloc.h> #include <linux/io.h> #include <linux/list_sort.h> +#include <linux/of.h> #include <linux/of_address.h> -#include <linux/of_device.h> #include <linux/platform_device.h> #include <linux/regmap.h> #include <linux/slab.h> diff --git a/drivers/misc/ti-st/st_core.c b/drivers/misc/ti-st/st_core.c index 01d2257deea4..c1a134bd8ba7 100644 --- a/drivers/misc/ti-st/st_core.c +++ b/drivers/misc/ti-st/st_core.c @@ -16,14 +16,12 @@ #include <linux/ti_wilink_st.h> -extern void st_kim_recv(void *, const unsigned char *, long); -void st_int_recv(void *, const unsigned char *, long); /* * function pointer pointing to either, * st_kim_recv during registration to receive fw download responses * st_int_recv after registration to receive proto stack responses */ -static void (*st_recv) (void *, const unsigned char *, long); +static void (*st_recv)(void *disc_data, const u8 *ptr, size_t count); /********************************************************************/ static void add_channel_to_table(struct st_data_s *st_gdata, @@ -225,10 +223,8 @@ static inline void st_wakeup_ack(struct st_data_s *st_gdata, * HCI-Events, ACL, SCO, 4 types of HCI-LL PM packets * CH-8 packets from FM, CH-9 packets from GPS cores. */ -void st_int_recv(void *disc_data, - const unsigned char *data, long count) +static void st_int_recv(void *disc_data, const u8 *ptr, size_t count) { - char *ptr; struct st_proto_s *proto; unsigned short payload_len = 0; int len = 0; @@ -237,14 +233,12 @@ void st_int_recv(void *disc_data, struct st_data_s *st_gdata = (struct st_data_s *)disc_data; unsigned long flags; - ptr = (char *)data; - /* tty_receive sent null ? */ - if (unlikely(ptr == NULL) || (st_gdata == NULL)) { + if (st_gdata == NULL) { pr_err(" received null from TTY "); return; } - pr_debug("count %ld rx_state %ld" + pr_debug("count %zu rx_state %ld" "rx_count %ld", count, st_gdata->rx_state, st_gdata->rx_count); @@ -796,8 +790,8 @@ static void st_tty_close(struct tty_struct *tty) pr_debug("%s: done ", __func__); } -static void st_tty_receive(struct tty_struct *tty, const unsigned char *data, - const char *tty_flags, int count) +static void st_tty_receive(struct tty_struct *tty, const u8 *data, + const u8 *tty_flags, size_t count) { #ifdef VERBOSE print_hex_dump(KERN_DEBUG, ">in>", DUMP_PREFIX_NONE, diff --git a/drivers/misc/ti-st/st_kim.c b/drivers/misc/ti-st/st_kim.c index f2f6cab97c08..fe682e0553b2 100644 --- a/drivers/misc/ti-st/st_kim.c +++ b/drivers/misc/ti-st/st_kim.c @@ -127,21 +127,14 @@ static inline int kim_check_data_len(struct kim_data_s *kim_gdata, int len) * have been observed to come in bursts of different * tty_receive and hence the logic */ -static void kim_int_recv(struct kim_data_s *kim_gdata, - const unsigned char *data, long count) +static void kim_int_recv(struct kim_data_s *kim_gdata, const u8 *ptr, + size_t count) { - const unsigned char *ptr; int len = 0; unsigned char *plen; pr_debug("%s", __func__); /* Decode received bytes here */ - ptr = data; - if (unlikely(ptr == NULL)) { - pr_err(" received null from TTY "); - return; - } - while (count) { if (kim_gdata->rx_count) { len = min_t(unsigned int, kim_gdata->rx_count, count); @@ -424,7 +417,7 @@ static long download_firmware(struct kim_data_s *kim_gdata) * 1. response to read local version * 2. during send/recv's of firmware download */ -void st_kim_recv(void *disc_data, const unsigned char *data, long count) +void st_kim_recv(void *disc_data, const u8 *data, size_t count) { struct st_data_s *st_gdata = (struct st_data_s *)disc_data; struct kim_data_s *kim_gdata = st_gdata->kim_data; diff --git a/drivers/misc/tps6594-esm.c b/drivers/misc/tps6594-esm.c index 05e2c151e632..b4d67a1a24e4 100644 --- a/drivers/misc/tps6594-esm.c +++ b/drivers/misc/tps6594-esm.c @@ -56,8 +56,7 @@ static int tps6594_esm_probe(struct platform_device *pdev) for (i = 0; i < pdev->num_resources; i++) { irq = platform_get_irq_byname(pdev, pdev->resource[i].name); if (irq < 0) - return dev_err_probe(dev, irq, "Failed to get %s irq\n", - pdev->resource[i].name); + return irq; ret = devm_request_threaded_irq(dev, irq, NULL, tps6594_esm_isr, IRQF_ONESHOT, @@ -82,7 +81,7 @@ static int tps6594_esm_probe(struct platform_device *pdev) return 0; } -static int tps6594_esm_remove(struct platform_device *pdev) +static void tps6594_esm_remove(struct platform_device *pdev) { struct tps6594 *tps = dev_get_drvdata(pdev->dev.parent); struct device *dev = &pdev->dev; @@ -103,8 +102,6 @@ static int tps6594_esm_remove(struct platform_device *pdev) out: pm_runtime_put_sync(dev); pm_runtime_disable(dev); - - return ret; } static int tps6594_esm_suspend(struct device *dev) @@ -138,7 +135,7 @@ static struct platform_driver tps6594_esm_driver = { .pm = pm_sleep_ptr(&tps6594_esm_pm_ops), }, .probe = tps6594_esm_probe, - .remove = tps6594_esm_remove, + .remove_new = tps6594_esm_remove, }; module_platform_driver(tps6594_esm_driver); diff --git a/drivers/misc/tps6594-pfsm.c b/drivers/misc/tps6594-pfsm.c index 5223d1580807..88dcac814892 100644 --- a/drivers/misc/tps6594-pfsm.c +++ b/drivers/misc/tps6594-pfsm.c @@ -266,8 +266,7 @@ static int tps6594_pfsm_probe(struct platform_device *pdev) for (i = 0 ; i < pdev->num_resources ; i++) { irq = platform_get_irq_byname(pdev, pdev->resource[i].name); if (irq < 0) - return dev_err_probe(dev, irq, "Failed to get %s irq\n", - pdev->resource[i].name); + return irq; ret = devm_request_threaded_irq(dev, irq, NULL, tps6594_pfsm_isr, IRQF_ONESHOT, @@ -281,13 +280,11 @@ static int tps6594_pfsm_probe(struct platform_device *pdev) return misc_register(&pfsm->miscdev); } -static int tps6594_pfsm_remove(struct platform_device *pdev) +static void tps6594_pfsm_remove(struct platform_device *pdev) { struct tps6594_pfsm *pfsm = platform_get_drvdata(pdev); misc_deregister(&pfsm->miscdev); - - return 0; } static struct platform_driver tps6594_pfsm_driver = { @@ -295,7 +292,7 @@ static struct platform_driver tps6594_pfsm_driver = { .name = "tps6594-pfsm", }, .probe = tps6594_pfsm_probe, - .remove = tps6594_pfsm_remove, + .remove_new = tps6594_pfsm_remove, }; module_platform_driver(tps6594_pfsm_driver); diff --git a/drivers/misc/vcpu_stall_detector.c b/drivers/misc/vcpu_stall_detector.c index 53b5506080e1..6479c962da1a 100644 --- a/drivers/misc/vcpu_stall_detector.c +++ b/drivers/misc/vcpu_stall_detector.c @@ -13,7 +13,6 @@ #include <linux/module.h> #include <linux/nmi.h> #include <linux/of.h> -#include <linux/of_device.h> #include <linux/param.h> #include <linux/percpu.h> #include <linux/platform_device.h> diff --git a/drivers/misc/xilinx_sdfec.c b/drivers/misc/xilinx_sdfec.c index 270ff4c5971a..94a0ee19bf20 100644 --- a/drivers/misc/xilinx_sdfec.c +++ b/drivers/misc/xilinx_sdfec.c @@ -15,7 +15,8 @@ #include <linux/interrupt.h> #include <linux/kernel.h> #include <linux/module.h> -#include <linux/of_platform.h> +#include <linux/of.h> +#include <linux/platform_device.h> #include <linux/poll.h> #include <linux/slab.h> #include <linux/clk.h> @@ -1347,7 +1348,6 @@ static int xsdfec_probe(struct platform_device *pdev) { struct xsdfec_dev *xsdfec; struct device *dev; - struct resource *res; int err; bool irq_enabled = true; @@ -1363,8 +1363,7 @@ static int xsdfec_probe(struct platform_device *pdev) return err; dev = xsdfec->dev; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - xsdfec->regs = devm_ioremap_resource(dev, res); + xsdfec->regs = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(xsdfec->regs)) { err = PTR_ERR(xsdfec->regs); goto err_xsdfec_dev; diff --git a/drivers/misc/xilinx_tmr_inject.c b/drivers/misc/xilinx_tmr_inject.c index d96f6d7cd109..9fc5835bfebc 100644 --- a/drivers/misc/xilinx_tmr_inject.c +++ b/drivers/misc/xilinx_tmr_inject.c @@ -11,7 +11,8 @@ #include <asm/xilinx_mb_manager.h> #include <linux/module.h> -#include <linux/of_device.h> +#include <linux/of.h> +#include <linux/platform_device.h> #include <linux/fault-inject.h> /* TMR Inject Register offsets */ diff --git a/drivers/misc/xilinx_tmr_manager.c b/drivers/misc/xilinx_tmr_manager.c index 0ef55e06d3a0..03912a90fd95 100644 --- a/drivers/misc/xilinx_tmr_manager.c +++ b/drivers/misc/xilinx_tmr_manager.c @@ -15,7 +15,8 @@ #include <asm/xilinx_mb_manager.h> #include <linux/module.h> -#include <linux/of_device.h> +#include <linux/of.h> +#include <linux/platform_device.h> /* TMR Manager Register offsets */ #define XTMR_MANAGER_CR_OFFSET 0x0 @@ -170,8 +171,7 @@ static int xtmr_manager_probe(struct platform_device *pdev) if (!xtmr_manager) return -ENOMEM; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - xtmr_manager->regs = devm_ioremap_resource(&pdev->dev, res); + xtmr_manager->regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res); if (IS_ERR(xtmr_manager->regs)) return PTR_ERR(xtmr_manager->regs); |