diff options
Diffstat (limited to 'drivers/staging/vc04_services/interface/vchiq_arm')
9 files changed, 524 insertions, 507 deletions
diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c index aa2313f3bcab..9fb8f657cc78 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c @@ -12,6 +12,7 @@ #include <linux/cdev.h> #include <linux/fs.h> #include <linux/device.h> +#include <linux/device/bus.h> #include <linux/mm.h> #include <linux/highmem.h> #include <linux/pagemap.h> @@ -33,6 +34,7 @@ #include "vchiq_core.h" #include "vchiq_ioctl.h" #include "vchiq_arm.h" +#include "vchiq_bus.h" #include "vchiq_debugfs.h" #include "vchiq_connected.h" #include "vchiq_pagelist.h" @@ -58,15 +60,16 @@ #define KEEPALIVE_VER 1 #define KEEPALIVE_VER_MIN KEEPALIVE_VER -/* Run time control of log level, based on KERN_XXX level. */ -int vchiq_arm_log_level = VCHIQ_LOG_DEFAULT; -int vchiq_susp_log_level = VCHIQ_LOG_ERROR; - DEFINE_SPINLOCK(msg_queue_spinlock); struct vchiq_state g_state; -static struct platform_device *bcm2835_camera; -static struct platform_device *bcm2835_audio; +/* + * The devices implemented in the VCHIQ firmware are not discoverable, + * so we need to maintain a list of them in order to register them with + * the interface. + */ +static struct vchiq_device *bcm2835_audio; +static struct vchiq_device *bcm2835_camera; struct vchiq_drvdata { const unsigned int cache_line_size; @@ -252,7 +255,8 @@ create_pagelist(struct vchiq_instance *instance, char *buf, char __user *ubuf, pagelist = dma_alloc_coherent(instance->state->dev, pagelist_size, &dma_addr, GFP_KERNEL); - vchiq_log_trace(vchiq_arm_log_level, "%s - %pK", __func__, pagelist); + vchiq_log_trace(instance->state->dev, VCHIQ_ARM, + "%s - %pK", __func__, pagelist); if (!pagelist) return NULL; @@ -307,9 +311,9 @@ create_pagelist(struct vchiq_instance *instance, char *buf, char __user *ubuf, type == PAGELIST_READ, pages); if (actual_pages != num_pages) { - vchiq_log_info(vchiq_arm_log_level, - "%s - only %d/%d pages locked", - __func__, actual_pages, num_pages); + vchiq_log_debug(instance->state->dev, VCHIQ_ARM, + "%s - only %d/%d pages locked", + __func__, actual_pages, num_pages); /* This is probably due to the process being killed */ if (actual_pages > 0) @@ -403,8 +407,8 @@ free_pagelist(struct vchiq_instance *instance, struct vchiq_pagelist_info *pagel struct page **pages = pagelistinfo->pages; unsigned int num_pages = pagelistinfo->num_pages; - vchiq_log_trace(vchiq_arm_log_level, "%s - %pK, %d", - __func__, pagelistinfo->pagelist, actual); + vchiq_log_trace(instance->state->dev, VCHIQ_ARM, + "%s - %pK, %d", __func__, pagelistinfo->pagelist, actual); /* * NOTE: dma_unmap_sg must be called before the @@ -499,7 +503,7 @@ static int vchiq_platform_init(struct platform_device *pdev, struct vchiq_state WARN_ON(((unsigned long)slot_mem & (PAGE_SIZE - 1)) != 0); - vchiq_slot_zero = vchiq_init_slots(slot_mem, slot_mem_size); + vchiq_slot_zero = vchiq_init_slots(dev, slot_mem, slot_mem_size); if (!vchiq_slot_zero) return -ENOMEM; @@ -552,8 +556,8 @@ static int vchiq_platform_init(struct platform_device *pdev, struct vchiq_state return -ENXIO; } - vchiq_log_info(vchiq_arm_log_level, "vchiq_init - done (slots %pK, phys %pad)", - vchiq_slot_zero, &slot_phys); + vchiq_log_debug(&pdev->dev, VCHIQ_ARM, "vchiq_init - done (slots %pK, phys %pad)", + vchiq_slot_zero, &slot_phys); vchiq_call_connected_callbacks(); @@ -683,17 +687,18 @@ int vchiq_initialise(struct vchiq_instance **instance_out) usleep_range(500, 600); } if (i == VCHIQ_INIT_RETRIES) { - vchiq_log_error(vchiq_core_log_level, "%s: videocore not initialized\n", __func__); + vchiq_log_error(state->dev, VCHIQ_CORE, "%s: videocore not initialized\n", + __func__); ret = -ENOTCONN; goto failed; } else if (i > 0) { - vchiq_log_warning(vchiq_core_log_level, + vchiq_log_warning(state->dev, VCHIQ_CORE, "%s: videocore initialized after %d retries\n", __func__, i); } instance = kzalloc(sizeof(*instance), GFP_KERNEL); if (!instance) { - vchiq_log_error(vchiq_core_log_level, + vchiq_log_error(state->dev, VCHIQ_CORE, "%s: error allocating vchiq instance\n", __func__); ret = -ENOMEM; goto failed; @@ -709,7 +714,8 @@ int vchiq_initialise(struct vchiq_instance **instance_out) ret = 0; failed: - vchiq_log_trace(vchiq_core_log_level, "%s(%p): returning %d", __func__, instance, ret); + vchiq_log_trace(state->dev, VCHIQ_CORE, + "%s(%p): returning %d", __func__, instance, ret); return ret; } @@ -722,8 +728,9 @@ void free_bulk_waiter(struct vchiq_instance *instance) list_for_each_entry_safe(waiter, next, &instance->bulk_waiter_list, list) { list_del(&waiter->list); - vchiq_log_info(vchiq_arm_log_level, "bulk_waiter - cleaned up %pK for pid %d", - waiter, waiter->pid); + vchiq_log_debug(instance->state->dev, VCHIQ_ARM, + "bulk_waiter - cleaned up %pK for pid %d", + waiter, waiter->pid); kfree(waiter); } } @@ -741,7 +748,8 @@ int vchiq_shutdown(struct vchiq_instance *instance) mutex_unlock(&state->mutex); - vchiq_log_trace(vchiq_core_log_level, "%s(%p): returning %d", __func__, instance, status); + vchiq_log_trace(state->dev, VCHIQ_CORE, + "%s(%p): returning %d", __func__, instance, status); free_bulk_waiter(instance); kfree(instance); @@ -761,7 +769,8 @@ int vchiq_connect(struct vchiq_instance *instance) struct vchiq_state *state = instance->state; if (mutex_lock_killable(&state->mutex)) { - vchiq_log_trace(vchiq_core_log_level, "%s: call to mutex_lock failed", __func__); + vchiq_log_trace(state->dev, VCHIQ_CORE, + "%s: call to mutex_lock failed", __func__); status = -EAGAIN; goto failed; } @@ -773,7 +782,8 @@ int vchiq_connect(struct vchiq_instance *instance) mutex_unlock(&state->mutex); failed: - vchiq_log_trace(vchiq_core_log_level, "%s(%p): returning %d", __func__, instance, status); + vchiq_log_trace(state->dev, VCHIQ_CORE, + "%s(%p): returning %d", __func__, instance, status); return status; } @@ -804,7 +814,8 @@ vchiq_add_service(struct vchiq_instance *instance, status = -EINVAL; } - vchiq_log_trace(vchiq_core_log_level, "%s(%p): returning %d", __func__, instance, status); + vchiq_log_trace(state->dev, VCHIQ_CORE, + "%s(%p): returning %d", __func__, instance, status); return status; } @@ -835,7 +846,8 @@ vchiq_open_service(struct vchiq_instance *instance, } failed: - vchiq_log_trace(vchiq_core_log_level, "%s(%p): returning %d", __func__, instance, status); + vchiq_log_trace(state->dev, VCHIQ_CORE, + "%s(%p): returning %d", __func__, instance, status); return status; } @@ -959,7 +971,8 @@ vchiq_blocking_bulk_transfer(struct vchiq_instance *instance, unsigned int handl } else { waiter = kzalloc(sizeof(*waiter), GFP_KERNEL); if (!waiter) { - vchiq_log_error(vchiq_core_log_level, "%s - out of memory", __func__); + vchiq_log_error(service->state->dev, VCHIQ_CORE, + "%s - out of memory", __func__); return -ENOMEM; } } @@ -982,8 +995,9 @@ vchiq_blocking_bulk_transfer(struct vchiq_instance *instance, unsigned int handl mutex_lock(&instance->bulk_waiter_list_mutex); list_add(&waiter->list, &instance->bulk_waiter_list); mutex_unlock(&instance->bulk_waiter_list_mutex); - vchiq_log_info(vchiq_arm_log_level, "saved bulk_waiter %pK for pid %d", waiter, - current->pid); + vchiq_log_debug(instance->state->dev, VCHIQ_ARM, + "saved bulk_waiter %pK for pid %d", waiter, + current->pid); } return status; @@ -1003,13 +1017,16 @@ add_completion(struct vchiq_instance *instance, enum vchiq_reason reason, while ((insert - instance->completion_remove) >= MAX_COMPLETIONS) { /* Out of space - wait for the client */ DEBUG_TRACE(SERVICE_CALLBACK_LINE); - vchiq_log_trace(vchiq_arm_log_level, "%s - completion queue full", __func__); + vchiq_log_trace(instance->state->dev, VCHIQ_CORE, + "%s - completion queue full", __func__); DEBUG_COUNT(COMPLETION_QUEUE_FULL_COUNT); if (wait_for_completion_interruptible(&instance->remove_event)) { - vchiq_log_info(vchiq_arm_log_level, "service_callback interrupted"); + vchiq_log_debug(instance->state->dev, VCHIQ_ARM, + "service_callback interrupted"); return -EAGAIN; } else if (instance->closing) { - vchiq_log_info(vchiq_arm_log_level, "service_callback closing"); + vchiq_log_debug(instance->state->dev, VCHIQ_ARM, + "service_callback closing"); return 0; } DEBUG_TRACE(SERVICE_CALLBACK_LINE); @@ -1089,7 +1106,7 @@ service_callback(struct vchiq_instance *instance, enum vchiq_reason reason, vchiq_service_get(service); rcu_read_unlock(); - vchiq_log_trace(vchiq_arm_log_level, + vchiq_log_trace(service->state->dev, VCHIQ_ARM, "%s - service %lx(%d,%p), reason %d, header %lx, instance %lx, bulk_userdata %lx", __func__, (unsigned long)user_service, service->localport, user_service->userdata, reason, (unsigned long)header, @@ -1102,7 +1119,8 @@ service_callback(struct vchiq_instance *instance, enum vchiq_reason reason, spin_unlock(&msg_queue_spinlock); DEBUG_TRACE(SERVICE_CALLBACK_LINE); DEBUG_COUNT(MSG_QUEUE_FULL_COUNT); - vchiq_log_trace(vchiq_arm_log_level, "%s - msg queue full", __func__); + vchiq_log_trace(service->state->dev, VCHIQ_ARM, + "%s - msg queue full", __func__); /* * If there is no MESSAGE_AVAILABLE in the completion * queue, add one @@ -1111,8 +1129,8 @@ service_callback(struct vchiq_instance *instance, enum vchiq_reason reason, instance->completion_remove) < 0) { int status; - vchiq_log_info(vchiq_arm_log_level, - "Inserting extra MESSAGE_AVAILABLE"); + vchiq_log_debug(instance->state->dev, VCHIQ_ARM, + "Inserting extra MESSAGE_AVAILABLE"); DEBUG_TRACE(SERVICE_CALLBACK_LINE); status = add_completion(instance, reason, NULL, user_service, bulk_userdata); @@ -1125,12 +1143,14 @@ service_callback(struct vchiq_instance *instance, enum vchiq_reason reason, DEBUG_TRACE(SERVICE_CALLBACK_LINE); if (wait_for_completion_interruptible(&user_service->remove_event)) { - vchiq_log_info(vchiq_arm_log_level, "%s interrupted", __func__); + vchiq_log_debug(instance->state->dev, VCHIQ_ARM, + "%s interrupted", __func__); DEBUG_TRACE(SERVICE_CALLBACK_LINE); vchiq_service_put(service); return -EAGAIN; } else if (instance->closing) { - vchiq_log_info(vchiq_arm_log_level, "%s closing", __func__); + vchiq_log_debug(instance->state->dev, VCHIQ_ARM, + "%s closing", __func__); DEBUG_TRACE(SERVICE_CALLBACK_LINE); vchiq_service_put(service); return -EINVAL; @@ -1326,7 +1346,8 @@ vchiq_keepalive_vchiq_callback(struct vchiq_instance *instance, struct vchiq_header *header, unsigned int service_user, void *bulk_user) { - vchiq_log_error(vchiq_susp_log_level, "%s callback reason %d", __func__, reason); + vchiq_log_error(instance->state->dev, VCHIQ_SUSPEND, + "%s callback reason %d", __func__, reason); return 0; } @@ -1350,22 +1371,22 @@ vchiq_keepalive_thread_func(void *v) ret = vchiq_initialise(&instance); if (ret) { - vchiq_log_error(vchiq_susp_log_level, "%s vchiq_initialise failed %d", __func__, - ret); + vchiq_log_error(state->dev, VCHIQ_SUSPEND, + "%s vchiq_initialise failed %d", __func__, ret); goto exit; } status = vchiq_connect(instance); if (status) { - vchiq_log_error(vchiq_susp_log_level, "%s vchiq_connect failed %d", __func__, - status); + vchiq_log_error(state->dev, VCHIQ_SUSPEND, + "%s vchiq_connect failed %d", __func__, status); goto shutdown; } status = vchiq_add_service(instance, ¶ms, &ka_handle); if (status) { - vchiq_log_error(vchiq_susp_log_level, "%s vchiq_open_service failed %d", __func__, - status); + vchiq_log_error(state->dev, VCHIQ_SUSPEND, + "%s vchiq_open_service failed %d", __func__, status); goto shutdown; } @@ -1373,7 +1394,8 @@ vchiq_keepalive_thread_func(void *v) long rc = 0, uc = 0; if (wait_for_completion_interruptible(&arm_state->ka_evt)) { - vchiq_log_error(vchiq_susp_log_level, "%s interrupted", __func__); + vchiq_log_error(state->dev, VCHIQ_SUSPEND, + "%s interrupted", __func__); flush_signals(current); continue; } @@ -1393,14 +1415,14 @@ vchiq_keepalive_thread_func(void *v) atomic_inc(&arm_state->ka_use_ack_count); status = vchiq_use_service(instance, ka_handle); if (status) { - vchiq_log_error(vchiq_susp_log_level, + vchiq_log_error(state->dev, VCHIQ_SUSPEND, "%s vchiq_use_service error %d", __func__, status); } } while (rc--) { status = vchiq_release_service(instance, ka_handle); if (status) { - vchiq_log_error(vchiq_susp_log_level, + vchiq_log_error(state->dev, VCHIQ_SUSPEND, "%s vchiq_release_service error %d", __func__, status); } @@ -1419,7 +1441,7 @@ vchiq_use_internal(struct vchiq_state *state, struct vchiq_service *service, { struct vchiq_arm_state *arm_state = vchiq_platform_get_arm_state(state); int ret = 0; - char entity[16]; + char entity[64]; int *entity_uc; int local_uc; @@ -1429,15 +1451,15 @@ vchiq_use_internal(struct vchiq_state *state, struct vchiq_service *service, } if (use_type == USE_TYPE_VCHIQ) { - sprintf(entity, "VCHIQ: "); + snprintf(entity, sizeof(entity), "VCHIQ: "); entity_uc = &arm_state->peer_use_count; } else if (service) { - sprintf(entity, "%c%c%c%c:%03d", - VCHIQ_FOURCC_AS_4CHARS(service->base.fourcc), - service->client_id); + snprintf(entity, sizeof(entity), "%p4cc:%03d", + &service->base.fourcc, + service->client_id); entity_uc = &service->service_use_count; } else { - vchiq_log_error(vchiq_susp_log_level, "%s null service ptr", __func__); + vchiq_log_error(state->dev, VCHIQ_SUSPEND, "%s null service ptr", __func__); ret = -EINVAL; goto out; } @@ -1446,8 +1468,8 @@ vchiq_use_internal(struct vchiq_state *state, struct vchiq_service *service, local_uc = ++arm_state->videocore_use_count; ++(*entity_uc); - vchiq_log_trace(vchiq_susp_log_level, "%s %s count %d, state count %d", __func__, entity, - *entity_uc, local_uc); + vchiq_log_trace(state->dev, VCHIQ_SUSPEND, "%s %s count %d, state count %d", + __func__, entity, *entity_uc, local_uc); write_unlock_bh(&arm_state->susp_res_lock); @@ -1466,7 +1488,7 @@ vchiq_use_internal(struct vchiq_state *state, struct vchiq_service *service, } out: - vchiq_log_trace(vchiq_susp_log_level, "%s exit %d", __func__, ret); + vchiq_log_trace(state->dev, VCHIQ_SUSPEND, "%s exit %d", __func__, ret); return ret; } @@ -1475,7 +1497,7 @@ vchiq_release_internal(struct vchiq_state *state, struct vchiq_service *service) { struct vchiq_arm_state *arm_state = vchiq_platform_get_arm_state(state); int ret = 0; - char entity[16]; + char entity[64]; int *entity_uc; if (!arm_state) { @@ -1484,12 +1506,12 @@ vchiq_release_internal(struct vchiq_state *state, struct vchiq_service *service) } if (service) { - sprintf(entity, "%c%c%c%c:%03d", - VCHIQ_FOURCC_AS_4CHARS(service->base.fourcc), - service->client_id); + snprintf(entity, sizeof(entity), "%p4cc:%03d", + &service->base.fourcc, + service->client_id); entity_uc = &service->service_use_count; } else { - sprintf(entity, "PEER: "); + snprintf(entity, sizeof(entity), "PEER: "); entity_uc = &arm_state->peer_use_count; } @@ -1504,14 +1526,14 @@ vchiq_release_internal(struct vchiq_state *state, struct vchiq_service *service) --arm_state->videocore_use_count; --(*entity_uc); - vchiq_log_trace(vchiq_susp_log_level, "%s %s count %d, state count %d", __func__, entity, - *entity_uc, arm_state->videocore_use_count); + vchiq_log_trace(state->dev, VCHIQ_SUSPEND, "%s %s count %d, state count %d", + __func__, entity, *entity_uc, arm_state->videocore_use_count); unlock: write_unlock_bh(&arm_state->susp_res_lock); out: - vchiq_log_trace(vchiq_susp_log_level, "%s exit %d", __func__, ret); + vchiq_log_trace(state->dev, VCHIQ_SUSPEND, "%s exit %d", __func__, ret); return ret; } @@ -1685,17 +1707,19 @@ vchiq_dump_service_use_state(struct vchiq_state *state) read_unlock_bh(&arm_state->susp_res_lock); if (only_nonzero) - vchiq_log_warning(vchiq_susp_log_level, "Too many active services (%d). Only dumping up to first %d services with non-zero use-count", + vchiq_log_warning(state->dev, VCHIQ_SUSPEND, + "Too many active services (%d). Only dumping up to first %d services with non-zero use-count", active_services, found); for (i = 0; i < found; i++) { - vchiq_log_warning(vchiq_susp_log_level, "----- %c%c%c%c:%d service count %d %s", - VCHIQ_FOURCC_AS_4CHARS(service_data[i].fourcc), + vchiq_log_warning(state->dev, VCHIQ_SUSPEND, + "%p4cc:%d service count %d %s", + &service_data[i].fourcc, service_data[i].clientid, service_data[i].use_count, service_data[i].use_count ? nz : ""); } - vchiq_log_warning(vchiq_susp_log_level, "----- VCHIQ use count %d", peer_count); - vchiq_log_warning(vchiq_susp_log_level, "--- Overall vchiq instance use count %d", + vchiq_log_warning(state->dev, VCHIQ_SUSPEND, "VCHIQ use count %d", peer_count); + vchiq_log_warning(state->dev, VCHIQ_SUSPEND, "Overall vchiq instance use count %d", vc_use_count); kfree(service_data); @@ -1718,9 +1742,9 @@ vchiq_check_service(struct vchiq_service *service) read_unlock_bh(&arm_state->susp_res_lock); if (ret) { - vchiq_log_error(vchiq_susp_log_level, - "%s ERROR - %c%c%c%c:%d service count %d, state count %d", __func__, - VCHIQ_FOURCC_AS_4CHARS(service->base.fourcc), service->client_id, + vchiq_log_error(service->state->dev, VCHIQ_SUSPEND, + "%s ERROR - %p4cc:%d service count %d, state count %d", __func__, + &service->base.fourcc, service->client_id, service->service_use_count, arm_state->videocore_use_count); vchiq_dump_service_use_state(service->state); } @@ -1735,8 +1759,8 @@ void vchiq_platform_conn_state_changed(struct vchiq_state *state, struct vchiq_arm_state *arm_state = vchiq_platform_get_arm_state(state); char threadname[16]; - vchiq_log_info(vchiq_susp_log_level, "%d: %s->%s", state->id, - get_conn_state_name(oldstate), get_conn_state_name(newstate)); + vchiq_log_debug(state->dev, VCHIQ_SUSPEND, "%d: %s->%s", state->id, + get_conn_state_name(oldstate), get_conn_state_name(newstate)); if (state->conn_state != VCHIQ_CONNSTATE_CONNECTED) return; @@ -1754,7 +1778,7 @@ void vchiq_platform_conn_state_changed(struct vchiq_state *state, (void *)state, threadname); if (IS_ERR(arm_state->ka_thread)) { - vchiq_log_error(vchiq_susp_log_level, + vchiq_log_error(state->dev, VCHIQ_SUSPEND, "vchiq: FATAL: couldn't create thread %s", threadname); } else { @@ -1769,28 +1793,6 @@ static const struct of_device_id vchiq_of_match[] = { }; MODULE_DEVICE_TABLE(of, vchiq_of_match); -static struct platform_device * -vchiq_register_child(struct platform_device *pdev, const char *name) -{ - struct platform_device_info pdevinfo; - struct platform_device *child; - - memset(&pdevinfo, 0, sizeof(pdevinfo)); - - pdevinfo.parent = &pdev->dev; - pdevinfo.name = name; - pdevinfo.id = PLATFORM_DEVID_NONE; - pdevinfo.dma_mask = DMA_BIT_MASK(32); - - child = platform_device_register_full(&pdevinfo); - if (IS_ERR(child)) { - dev_warn(&pdev->dev, "%s not registered\n", name); - child = NULL; - } - - return child; -} - static int vchiq_probe(struct platform_device *pdev) { struct device_node *fw_node; @@ -1823,9 +1825,9 @@ static int vchiq_probe(struct platform_device *pdev) vchiq_debugfs_init(); - vchiq_log_info(vchiq_arm_log_level, - "vchiq: platform initialised - version %d (min %d)", - VCHIQ_VERSION, VCHIQ_VERSION_MIN); + vchiq_log_debug(&pdev->dev, VCHIQ_ARM, + "vchiq: platform initialised - version %d (min %d)", + VCHIQ_VERSION, VCHIQ_VERSION_MIN); /* * Simply exit on error since the function handles cleanup in @@ -1833,26 +1835,26 @@ static int vchiq_probe(struct platform_device *pdev) */ err = vchiq_register_chrdev(&pdev->dev); if (err) { - vchiq_log_warning(vchiq_arm_log_level, + vchiq_log_warning(&pdev->dev, VCHIQ_ARM, "Failed to initialize vchiq cdev"); goto error_exit; } - bcm2835_camera = vchiq_register_child(pdev, "bcm2835-camera"); - bcm2835_audio = vchiq_register_child(pdev, "bcm2835_audio"); + bcm2835_audio = vchiq_device_register(&pdev->dev, "bcm2835-audio"); + bcm2835_camera = vchiq_device_register(&pdev->dev, "bcm2835-camera"); return 0; failed_platform_init: - vchiq_log_warning(vchiq_arm_log_level, "could not initialize vchiq platform"); + vchiq_log_warning(&pdev->dev, VCHIQ_ARM, "could not initialize vchiq platform"); error_exit: return err; } static void vchiq_remove(struct platform_device *pdev) { - platform_device_unregister(bcm2835_audio); - platform_device_unregister(bcm2835_camera); + vchiq_device_unregister(bcm2835_audio); + vchiq_device_unregister(bcm2835_camera); vchiq_debugfs_deinit(); vchiq_deregister_chrdev(); } @@ -1870,9 +1872,17 @@ static int __init vchiq_driver_init(void) { int ret; + ret = bus_register(&vchiq_bus_type); + if (ret) { + pr_err("Failed to register %s\n", vchiq_bus_type.name); + return ret; + } + ret = platform_driver_register(&vchiq_driver); - if (ret) + if (ret) { pr_err("Failed to register vchiq driver\n"); + bus_unregister(&vchiq_bus_type); + } return ret; } @@ -1880,6 +1890,7 @@ module_init(vchiq_driver_init); static void __exit vchiq_driver_exit(void) { + bus_unregister(&vchiq_bus_type); platform_driver_unregister(&vchiq_driver); } module_exit(vchiq_driver_exit); diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.h b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.h index 2fb31f9b527f..7cdc3d70bd2c 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.h +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.h @@ -76,9 +76,6 @@ struct dump_context { loff_t offset; }; -extern int vchiq_arm_log_level; -extern int vchiq_susp_log_level; - extern spinlock_t msg_queue_spinlock; extern struct vchiq_state g_state; diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_bus.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_bus.c new file mode 100644 index 000000000000..933027e0011e --- /dev/null +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_bus.c @@ -0,0 +1,99 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * vchiq_device.c - VCHIQ generic device and bus-type + * + * Copyright (c) 2023 Ideas On Board Oy + */ + +#include <linux/device/bus.h> +#include <linux/dma-mapping.h> +#include <linux/of_device.h> +#include <linux/slab.h> +#include <linux/string.h> + +#include "vchiq_bus.h" + +static int vchiq_bus_type_match(struct device *dev, struct device_driver *drv) +{ + if (dev->bus == &vchiq_bus_type && + strcmp(dev_name(dev), drv->name) == 0) + return true; + + return false; +} + +static int vchiq_bus_uevent(const struct device *dev, struct kobj_uevent_env *env) +{ + const struct vchiq_device *device = container_of_const(dev, struct vchiq_device, dev); + + return add_uevent_var(env, "MODALIAS=vchiq:%s", dev_name(&device->dev)); +} + +static int vchiq_bus_probe(struct device *dev) +{ + struct vchiq_device *device = to_vchiq_device(dev); + struct vchiq_driver *driver = to_vchiq_driver(dev->driver); + + return driver->probe(device); +} + +struct bus_type vchiq_bus_type = { + .name = "vchiq-bus", + .match = vchiq_bus_type_match, + .uevent = vchiq_bus_uevent, + .probe = vchiq_bus_probe, +}; + +static void vchiq_device_release(struct device *dev) +{ + struct vchiq_device *device = to_vchiq_device(dev); + + kfree(device); +} + +struct vchiq_device * +vchiq_device_register(struct device *parent, const char *name) +{ + struct vchiq_device *device; + int ret; + + device = kzalloc(sizeof(*device), GFP_KERNEL); + if (!device) + return NULL; + + device->dev.init_name = name; + device->dev.parent = parent; + device->dev.bus = &vchiq_bus_type; + device->dev.dma_mask = &device->dev.coherent_dma_mask; + device->dev.release = vchiq_device_release; + + of_dma_configure(&device->dev, parent->of_node, true); + + ret = device_register(&device->dev); + if (ret) { + dev_err(parent, "Cannot register %s: %d\n", name, ret); + put_device(&device->dev); + return NULL; + } + + return device; +} + +void vchiq_device_unregister(struct vchiq_device *vchiq_dev) +{ + device_unregister(&vchiq_dev->dev); +} + +int vchiq_driver_register(struct vchiq_driver *vchiq_drv) +{ + vchiq_drv->driver.bus = &vchiq_bus_type; + + return driver_register(&vchiq_drv->driver); +} +EXPORT_SYMBOL_GPL(vchiq_driver_register); + +void vchiq_driver_unregister(struct vchiq_driver *vchiq_drv) +{ + driver_unregister(&vchiq_drv->driver); +} +EXPORT_SYMBOL_GPL(vchiq_driver_unregister); diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_bus.h b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_bus.h new file mode 100644 index 000000000000..caa6fdf25bb1 --- /dev/null +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_bus.h @@ -0,0 +1,57 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2023 Ideas On Board Oy + */ + +#ifndef _VCHIQ_DEVICE_H +#define _VCHIQ_DEVICE_H + +#include <linux/device.h> +#include <linux/mod_devicetable.h> + +struct vchiq_device { + struct device dev; +}; + +struct vchiq_driver { + int (*probe)(struct vchiq_device *device); + void (*remove)(struct vchiq_device *device); + int (*resume)(struct vchiq_device *device); + int (*suspend)(struct vchiq_device *device, + pm_message_t state); + + const struct vchiq_device_id *id_table; + struct device_driver driver; +}; + +static inline struct vchiq_device *to_vchiq_device(struct device *d) +{ + return container_of(d, struct vchiq_device, dev); +} + +static inline struct vchiq_driver *to_vchiq_driver(struct device_driver *d) +{ + return container_of(d, struct vchiq_driver, driver); +} + +extern struct bus_type vchiq_bus_type; + +struct vchiq_device * +vchiq_device_register(struct device *parent, const char *name); +void vchiq_device_unregister(struct vchiq_device *dev); + +int vchiq_driver_register(struct vchiq_driver *vchiq_drv); +void vchiq_driver_unregister(struct vchiq_driver *vchiq_drv); + +/** + * module_vchiq_driver() - Helper macro for registering a vchiq driver + * @__vchiq_driver: vchiq driver struct + * + * Helper macro for vchiq drivers which do not do anything special in + * module init/exit. This eliminates a lot of boilerplate. Each module may only + * use this macro once, and calling it replaces module_init() and module_exit() + */ +#define module_vchiq_driver(__vchiq_driver) \ + module_driver(__vchiq_driver, vchiq_driver_register, vchiq_driver_unregister) + +#endif /* _VCHIQ_DEVICE_H */ diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_connected.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_connected.c index bdb0ab617d8b..b3928bd8c9c6 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_connected.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_connected.c @@ -39,7 +39,7 @@ void vchiq_add_connected_callback(void (*callback)(void)) callback(); } else { if (g_num_deferred_callbacks >= MAX_CALLBACKS) { - vchiq_log_error(vchiq_core_log_level, + vchiq_log_error(NULL, VCHIQ_CORE, "There already %d callback registered - please increase MAX_CALLBACKS", g_num_deferred_callbacks); } else { diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c index 596894338cb4..39b857da2d42 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c @@ -103,11 +103,6 @@ static_assert((unsigned int)VCHIQ_PORT_MAX < #define BULK_INDEX(x) ((x) & (VCHIQ_NUM_SERVICE_BULKS - 1)) -#define SRVTRACE_LEVEL(srv) \ - (((srv) && (srv)->trace) ? VCHIQ_LOG_TRACE : vchiq_core_msg_log_level) -#define SRVTRACE_ENABLED(srv, lev) \ - (((srv) && (srv)->trace) || (vchiq_core_msg_log_level >= (lev))) - #define NO_CLOSE_RECVD 0 #define CLOSE_RECVD 1 @@ -154,11 +149,6 @@ static inline void check_sizes(void) BUILD_BUG_ON_NOT_POWER_OF_2(VCHIQ_MAX_SERVICES); } -/* Run time control of log level, based on KERN_XXX level. */ -int vchiq_core_log_level = VCHIQ_LOG_DEFAULT; -int vchiq_core_msg_log_level = VCHIQ_LOG_DEFAULT; -int vchiq_sync_log_level = VCHIQ_LOG_DEFAULT; - DEFINE_SPINLOCK(bulk_waiter_spinlock); static DEFINE_SPINLOCK(quota_spinlock); @@ -227,10 +217,10 @@ static const char *msg_type_str(unsigned int msg_type) static inline void set_service_state(struct vchiq_service *service, int newstate) { - vchiq_log_info(vchiq_core_log_level, "%d: srv:%d %s->%s", - service->state->id, service->localport, - srvstate_names[service->srvstate], - srvstate_names[newstate]); + vchiq_log_debug(service->state->dev, VCHIQ_CORE, "%d: srv:%d %s->%s", + service->state->id, service->localport, + srvstate_names[service->srvstate], + srvstate_names[newstate]); service->srvstate = newstate; } @@ -255,8 +245,8 @@ find_service_by_handle(struct vchiq_instance *instance, unsigned int handle) return service; } rcu_read_unlock(); - vchiq_log_info(vchiq_core_log_level, - "Invalid service handle 0x%x", handle); + vchiq_log_debug(service->state->dev, VCHIQ_CORE, + "Invalid service handle 0x%x", handle); return NULL; } @@ -276,8 +266,8 @@ find_service_by_port(struct vchiq_state *state, unsigned int localport) } rcu_read_unlock(); } - vchiq_log_info(vchiq_core_log_level, - "Invalid port %u", localport); + vchiq_log_debug(state->dev, VCHIQ_CORE, + "Invalid port %u", localport); return NULL; } @@ -297,8 +287,8 @@ find_service_for_instance(struct vchiq_instance *instance, unsigned int handle) return service; } rcu_read_unlock(); - vchiq_log_info(vchiq_core_log_level, - "Invalid service handle 0x%x", handle); + vchiq_log_debug(service->state->dev, VCHIQ_CORE, + "Invalid service handle 0x%x", handle); return NULL; } @@ -320,8 +310,8 @@ find_closed_service_for_instance(struct vchiq_instance *instance, unsigned int h return service; } rcu_read_unlock(); - vchiq_log_info(vchiq_core_log_level, - "Invalid service handle 0x%x", handle); + vchiq_log_debug(service->state->dev, VCHIQ_CORE, + "Invalid service handle 0x%x", handle); return service; } @@ -469,13 +459,13 @@ make_service_callback(struct vchiq_service *service, enum vchiq_reason reason, { int status; - vchiq_log_trace(vchiq_core_log_level, "%d: callback:%d (%s, %pK, %pK)", + vchiq_log_trace(service->state->dev, VCHIQ_CORE, "%d: callback:%d (%s, %pK, %pK)", service->state->id, service->localport, reason_names[reason], header, bulk_userdata); status = service->base.callback(service->instance, reason, header, service->handle, bulk_userdata); if (status && (status != -EAGAIN)) { - vchiq_log_warning(vchiq_core_log_level, + vchiq_log_warning(service->state->dev, VCHIQ_CORE, "%d: ignoring ERROR from callback to service %x", service->state->id, service->handle); status = 0; @@ -492,8 +482,8 @@ vchiq_set_conn_state(struct vchiq_state *state, enum vchiq_connstate newstate) { enum vchiq_connstate oldstate = state->conn_state; - vchiq_log_info(vchiq_core_log_level, "%d: %s->%s", state->id, conn_state_names[oldstate], - conn_state_names[newstate]); + vchiq_log_debug(state->dev, VCHIQ_CORE, "%d: %s->%s", state->id, conn_state_names[oldstate], + conn_state_names[newstate]); state->conn_state = newstate; vchiq_platform_conn_state_changed(state, oldstate, newstate); } @@ -751,7 +741,7 @@ process_free_data_message(struct vchiq_state *state, u32 *service_found, */ complete("a->quota_event); } else if (count == 0) { - vchiq_log_error(vchiq_core_log_level, + vchiq_log_error(state->dev, VCHIQ_CORE, "service %d message_use_count=%d (header %pK, msgid %x, header->msgid %x, header->size %x)", port, quota->message_use_count, header, msgid, header->msgid, header->size); @@ -773,10 +763,10 @@ process_free_data_message(struct vchiq_state *state, u32 *service_found, * it has dropped below its quota */ complete("a->quota_event); - vchiq_log_trace(vchiq_core_log_level, "%d: pfq:%d %x@%pK - slot_use->%d", + vchiq_log_trace(state->dev, VCHIQ_CORE, "%d: pfq:%d %x@%pK - slot_use->%d", state->id, port, header->size, header, count - 1); } else { - vchiq_log_error(vchiq_core_log_level, + vchiq_log_error(state->dev, VCHIQ_CORE, "service %d slot_use_count=%d (header %pK, msgid %x, header->msgid %x, header->size %x)", port, count, header, msgid, header->msgid, header->size); WARN(1, "bad slot use count\n"); @@ -819,7 +809,7 @@ process_free_queue(struct vchiq_state *state, u32 *service_found, */ rmb(); - vchiq_log_trace(vchiq_core_log_level, "%d: pfq %d=%pK %x %x", + vchiq_log_trace(state->dev, VCHIQ_CORE, "%d: pfq %d=%pK %x %x", state->id, slot_index, data, local->slot_queue_recycle, slot_queue_available); @@ -841,7 +831,7 @@ process_free_queue(struct vchiq_state *state, u32 *service_found, pos += calc_stride(header->size); if (pos > VCHIQ_SLOT_SIZE) { - vchiq_log_error(vchiq_core_log_level, + vchiq_log_error(state->dev, VCHIQ_CORE, "pfq - pos %x: header %pK, msgid %x, header->msgid %x, header->size %x", pos, header, msgid, header->msgid, header->size); WARN(1, "invalid slot position\n"); @@ -990,7 +980,7 @@ queue_message(struct vchiq_state *state, struct vchiq_service *service, ((tx_end_index != quota->previous_tx_index) && (quota->slot_use_count == quota->slot_quota))) { spin_unlock("a_spinlock); - vchiq_log_trace(vchiq_core_log_level, + vchiq_log_trace(state->dev, VCHIQ_CORE, "%d: qm:%d %s,%zx - quota stall (msg %d, slot %d)", state->id, service->localport, msg_type_str(type), size, quota->message_use_count, quota->slot_use_count); @@ -1033,9 +1023,9 @@ queue_message(struct vchiq_state *state, struct vchiq_service *service, int tx_end_index; int slot_use_count; - vchiq_log_info(vchiq_core_log_level, "%d: qm %s@%pK,%zx (%d->%d)", state->id, - msg_type_str(VCHIQ_MSG_TYPE(msgid)), header, size, - VCHIQ_MSG_SRCPORT(msgid), VCHIQ_MSG_DSTPORT(msgid)); + vchiq_log_debug(state->dev, VCHIQ_CORE, "%d: qm %s@%pK,%zx (%d->%d)", state->id, + msg_type_str(VCHIQ_MSG_TYPE(msgid)), header, size, + VCHIQ_MSG_SRCPORT(msgid), VCHIQ_MSG_DSTPORT(msgid)); WARN_ON(flags & (QMFLAGS_NO_MUTEX_LOCK | QMFLAGS_NO_MUTEX_UNLOCK)); @@ -1050,11 +1040,9 @@ queue_message(struct vchiq_state *state, struct vchiq_service *service, return -EINVAL; } - if (SRVTRACE_ENABLED(service, - VCHIQ_LOG_INFO)) - vchiq_log_dump_mem("Sent", 0, - header->data, - min_t(size_t, 16, callback_result)); + vchiq_log_dump_mem(state->dev, "Sent", 0, + header->data, + min_t(size_t, 16, callback_result)); spin_lock("a_spinlock); quota->message_use_count++; @@ -1085,7 +1073,7 @@ queue_message(struct vchiq_state *state, struct vchiq_service *service, spin_unlock("a_spinlock); if (slot_use_count) - vchiq_log_trace(vchiq_core_log_level, + vchiq_log_trace(state->dev, VCHIQ_CORE, "%d: qm:%d %s,%zx - slot_use->%d (hdr %p)", state->id, service->localport, msg_type_str(VCHIQ_MSG_TYPE(msgid)), size, slot_use_count, header); @@ -1093,9 +1081,9 @@ queue_message(struct vchiq_state *state, struct vchiq_service *service, VCHIQ_SERVICE_STATS_INC(service, ctrl_tx_count); VCHIQ_SERVICE_STATS_ADD(service, ctrl_tx_bytes, size); } else { - vchiq_log_info(vchiq_core_log_level, "%d: qm %s@%pK,%zx (%d->%d)", state->id, - msg_type_str(VCHIQ_MSG_TYPE(msgid)), header, size, - VCHIQ_MSG_SRCPORT(msgid), VCHIQ_MSG_DSTPORT(msgid)); + vchiq_log_debug(state->dev, VCHIQ_CORE, "%d: qm %s@%pK,%zx (%d->%d)", state->id, + msg_type_str(VCHIQ_MSG_TYPE(msgid)), header, size, + VCHIQ_MSG_SRCPORT(msgid), VCHIQ_MSG_DSTPORT(msgid)); if (size != 0) { /* * It is assumed for now that this code path @@ -1123,11 +1111,11 @@ queue_message(struct vchiq_state *state, struct vchiq_service *service, ? service->base.fourcc : VCHIQ_MAKE_FOURCC('?', '?', '?', '?'); - vchiq_log_info(SRVTRACE_LEVEL(service), - "Sent Msg %s(%u) to %c%c%c%c s:%u d:%d len:%zu", - msg_type_str(VCHIQ_MSG_TYPE(msgid)), VCHIQ_MSG_TYPE(msgid), - VCHIQ_FOURCC_AS_4CHARS(svc_fourcc), VCHIQ_MSG_SRCPORT(msgid), - VCHIQ_MSG_DSTPORT(msgid), size); + vchiq_log_debug(state->dev, VCHIQ_CORE_MSG, + "Sent Msg %s(%u) to %p4cc s:%u d:%d len:%zu", + msg_type_str(VCHIQ_MSG_TYPE(msgid)), VCHIQ_MSG_TYPE(msgid), + &svc_fourcc, VCHIQ_MSG_SRCPORT(msgid), + VCHIQ_MSG_DSTPORT(msgid), size); } /* Make sure the new header is visible to the peer. */ @@ -1159,6 +1147,7 @@ queue_message_sync(struct vchiq_state *state, struct vchiq_service *service, struct vchiq_shared_state *local; struct vchiq_header *header; ssize_t callback_result; + int svc_fourcc; local = state->local; @@ -1178,15 +1167,15 @@ queue_message_sync(struct vchiq_state *state, struct vchiq_service *service, int oldmsgid = header->msgid; if (oldmsgid != VCHIQ_MSGID_PADDING) - vchiq_log_error(vchiq_core_log_level, "%d: qms - msgid %x, not PADDING", + vchiq_log_error(state->dev, VCHIQ_CORE, "%d: qms - msgid %x, not PADDING", state->id, oldmsgid); } - vchiq_log_info(vchiq_sync_log_level, - "%d: qms %s@%pK,%x (%d->%d)", state->id, - msg_type_str(VCHIQ_MSG_TYPE(msgid)), - header, size, VCHIQ_MSG_SRCPORT(msgid), - VCHIQ_MSG_DSTPORT(msgid)); + vchiq_log_debug(state->dev, VCHIQ_SYNC, + "%d: qms %s@%pK,%x (%d->%d)", state->id, + msg_type_str(VCHIQ_MSG_TYPE(msgid)), + header, size, VCHIQ_MSG_SRCPORT(msgid), + VCHIQ_MSG_DSTPORT(msgid)); callback_result = copy_message_data(copy_callback, context, @@ -1199,11 +1188,9 @@ queue_message_sync(struct vchiq_state *state, struct vchiq_service *service, } if (service) { - if (SRVTRACE_ENABLED(service, - VCHIQ_LOG_INFO)) - vchiq_log_dump_mem("Sent", 0, - header->data, - min_t(size_t, 16, callback_result)); + vchiq_log_dump_mem(state->dev, "Sent", 0, + header->data, + min_t(size_t, 16, callback_result)); VCHIQ_SERVICE_STATS_INC(service, ctrl_tx_count); VCHIQ_SERVICE_STATS_ADD(service, ctrl_tx_bytes, size); @@ -1214,19 +1201,15 @@ queue_message_sync(struct vchiq_state *state, struct vchiq_service *service, header->size = size; header->msgid = msgid; - if (vchiq_sync_log_level >= VCHIQ_LOG_TRACE) { - int svc_fourcc; - svc_fourcc = service - ? service->base.fourcc - : VCHIQ_MAKE_FOURCC('?', '?', '?', '?'); + svc_fourcc = service ? service->base.fourcc + : VCHIQ_MAKE_FOURCC('?', '?', '?', '?'); - vchiq_log_trace(vchiq_sync_log_level, - "Sent Sync Msg %s(%u) to %c%c%c%c s:%u d:%d len:%d", - msg_type_str(VCHIQ_MSG_TYPE(msgid)), VCHIQ_MSG_TYPE(msgid), - VCHIQ_FOURCC_AS_4CHARS(svc_fourcc), VCHIQ_MSG_SRCPORT(msgid), - VCHIQ_MSG_DSTPORT(msgid), size); - } + vchiq_log_trace(state->dev, VCHIQ_SYNC, + "Sent Sync Msg %s(%u) to %p4cc s:%u d:%d len:%d", + msg_type_str(VCHIQ_MSG_TYPE(msgid)), VCHIQ_MSG_TYPE(msgid), + &svc_fourcc, VCHIQ_MSG_SRCPORT(msgid), + VCHIQ_MSG_DSTPORT(msgid), size); remote_event_signal(&state->remote->sync_trigger); @@ -1278,9 +1261,9 @@ release_slot(struct vchiq_state *state, struct vchiq_slot_info *slot_info, VCHIQ_SLOT_QUEUE_MASK] = SLOT_INDEX_FROM_INFO(state, slot_info); state->remote->slot_queue_recycle = slot_queue_recycle + 1; - vchiq_log_info(vchiq_core_log_level, "%d: %s %d - recycle->%x", state->id, __func__, - SLOT_INDEX_FROM_INFO(state, slot_info), - state->remote->slot_queue_recycle); + vchiq_log_debug(state->dev, VCHIQ_CORE, "%d: %s %d - recycle->%x", + state->id, __func__, SLOT_INDEX_FROM_INFO(state, slot_info), + state->remote->slot_queue_recycle); /* * A write barrier is necessary, but remote_event_signal @@ -1315,8 +1298,10 @@ notify_bulks(struct vchiq_service *service, struct vchiq_bulk_queue *queue, { int status = 0; - vchiq_log_trace(vchiq_core_log_level, "%d: nb:%d %cx - p=%x rn=%x r=%x", service->state->id, - service->localport, (queue == &service->bulk_tx) ? 't' : 'r', + vchiq_log_trace(service->state->dev, VCHIQ_CORE, + "%d: nb:%d %cx - p=%x rn=%x r=%x", + service->state->id, service->localport, + (queue == &service->bulk_tx) ? 't' : 'r', queue->process, queue->remote_notify, queue->remove); queue->remote_notify = queue->process; @@ -1397,9 +1382,8 @@ poll_services_of_group(struct vchiq_state *state, int group) service_flags = atomic_xchg(&service->poll_flags, 0); if (service_flags & BIT(VCHIQ_POLL_REMOVE)) { - vchiq_log_info(vchiq_core_log_level, "%d: ps - remove %d<->%d", - state->id, service->localport, - service->remoteport); + vchiq_log_debug(state->dev, VCHIQ_CORE, "%d: ps - remove %d<->%d", + state->id, service->localport, service->remoteport); /* * Make it look like a client, because @@ -1411,8 +1395,8 @@ poll_services_of_group(struct vchiq_state *state, int group) if (vchiq_close_service_internal(service, NO_CLOSE_RECVD)) request_poll(state, service, VCHIQ_POLL_REMOVE); } else if (service_flags & BIT(VCHIQ_POLL_TERMINATE)) { - vchiq_log_info(vchiq_core_log_level, "%d: ps - terminate %d<->%d", - state->id, service->localport, service->remoteport); + vchiq_log_debug(state->dev, VCHIQ_CORE, "%d: ps - terminate %d<->%d", + state->id, service->localport, service->remoteport); if (vchiq_close_service_internal(service, NO_CLOSE_RECVD)) request_poll(state, service, VCHIQ_POLL_TERMINATE); } @@ -1441,9 +1425,11 @@ abort_outstanding_bulks(struct vchiq_service *service, { int is_tx = (queue == &service->bulk_tx); - vchiq_log_trace(vchiq_core_log_level, "%d: aob:%d %cx - li=%x ri=%x p=%x", - service->state->id, service->localport, is_tx ? 't' : 'r', - queue->local_insert, queue->remote_insert, queue->process); + vchiq_log_trace(service->state->dev, VCHIQ_CORE, + "%d: aob:%d %cx - li=%x ri=%x p=%x", + service->state->id, service->localport, + is_tx ? 't' : 'r', queue->local_insert, + queue->remote_insert, queue->process); WARN_ON((int)(queue->local_insert - queue->process) < 0); WARN_ON((int)(queue->remote_insert - queue->process) < 0); @@ -1462,11 +1448,11 @@ abort_outstanding_bulks(struct vchiq_service *service, if (queue->process != queue->local_insert) { vchiq_complete_bulk(service->instance, bulk); - vchiq_log_info(SRVTRACE_LEVEL(service), - "%s %c%c%c%c d:%d ABORTED - tx len:%d, rx len:%d", - is_tx ? "Send Bulk to" : "Recv Bulk from", - VCHIQ_FOURCC_AS_4CHARS(service->base.fourcc), - service->remoteport, bulk->size, bulk->remote_size); + vchiq_log_debug(service->state->dev, VCHIQ_CORE_MSG, + "%s %p4cc d:%d ABORTED - tx len:%d, rx len:%d", + is_tx ? "Send Bulk to" : "Recv Bulk from", + &service->base.fourcc, + service->remoteport, bulk->size, bulk->remote_size); } else { /* fabricate a matching dummy bulk */ bulk->data = 0; @@ -1499,8 +1485,8 @@ parse_open(struct vchiq_state *state, struct vchiq_header *header) payload = (struct vchiq_open_payload *)header->data; fourcc = payload->fourcc; - vchiq_log_info(vchiq_core_log_level, "%d: prs OPEN@%pK (%d->'%c%c%c%c')", - state->id, header, localport, VCHIQ_FOURCC_AS_4CHARS(fourcc)); + vchiq_log_debug(state->dev, VCHIQ_CORE, "%d: prs OPEN@%pK (%d->'%p4cc')", + state->id, header, localport, &fourcc); service = get_listening_service(state, fourcc); if (!service) @@ -1512,11 +1498,9 @@ parse_open(struct vchiq_state *state, struct vchiq_header *header) if ((service->version < version_min) || (version < service->version_min)) { /* Version mismatch */ - vchiq_loud_error_header(); - vchiq_loud_error("%d: service %d (%c%c%c%c) version mismatch - local (%d, min %d) vs. remote (%d, min %d)", - state->id, service->localport, VCHIQ_FOURCC_AS_4CHARS(fourcc), - service->version, service->version_min, version, version_min); - vchiq_loud_error_footer(); + dev_err(state->dev, "%d: service %d (%p4cc) version mismatch - local (%d, min %d) vs. remote (%d, min %d)", + state->id, service->localport, &fourcc, + service->version, service->version_min, version, version_min); vchiq_service_put(service); service = NULL; goto fail_open; @@ -1587,6 +1571,7 @@ parse_message(struct vchiq_state *state, struct vchiq_header *header) struct vchiq_service *service = NULL; unsigned int localport, remoteport; int msgid, size, type, ret = -EINVAL; + int svc_fourcc; DEBUG_INITIALISE(state->local); @@ -1624,14 +1609,14 @@ parse_message(struct vchiq_state *state, struct vchiq_header *header) vchiq_service_put(service); service = get_connected_service(state, remoteport); if (service) - vchiq_log_warning(vchiq_core_log_level, + vchiq_log_warning(state->dev, VCHIQ_CORE, "%d: prs %s@%pK (%d->%d) - found connected service %d", state->id, msg_type_str(type), header, remoteport, localport, service->localport); } if (!service) { - vchiq_log_error(vchiq_core_log_level, + vchiq_log_error(state->dev, VCHIQ_CORE, "%d: prs %s@%pK (%d->%d) - invalid/closed service %d", state->id, msg_type_str(type), header, remoteport, localport, localport); @@ -1642,23 +1627,20 @@ parse_message(struct vchiq_state *state, struct vchiq_header *header) break; } - if (SRVTRACE_ENABLED(service, VCHIQ_LOG_INFO)) { - int svc_fourcc; - svc_fourcc = service - ? service->base.fourcc - : VCHIQ_MAKE_FOURCC('?', '?', '?', '?'); - vchiq_log_info(SRVTRACE_LEVEL(service), - "Rcvd Msg %s(%u) from %c%c%c%c s:%d d:%d len:%d", - msg_type_str(type), type, VCHIQ_FOURCC_AS_4CHARS(svc_fourcc), - remoteport, localport, size); - if (size > 0) - vchiq_log_dump_mem("Rcvd", 0, header->data, min(16, size)); - } + svc_fourcc = service ? service->base.fourcc + : VCHIQ_MAKE_FOURCC('?', '?', '?', '?'); + + vchiq_log_debug(state->dev, VCHIQ_CORE_MSG, + "Rcvd Msg %s(%u) from %p4cc s:%d d:%d len:%d", + msg_type_str(type), type, &svc_fourcc, + remoteport, localport, size); + if (size > 0) + vchiq_log_dump_mem(state->dev, "Rcvd", 0, header->data, min(16, size)); if (((unsigned long)header & VCHIQ_SLOT_MASK) + calc_stride(size) > VCHIQ_SLOT_SIZE) { - vchiq_log_error(vchiq_core_log_level, + vchiq_log_error(state->dev, VCHIQ_CORE, "header %pK (msgid %x) - size %x too big for slot", header, (unsigned int)msgid, (unsigned int)size); WARN(1, "oversized for slot\n"); @@ -1677,36 +1659,37 @@ parse_message(struct vchiq_state *state, struct vchiq_header *header) header->data; service->peer_version = payload->version; } - vchiq_log_info(vchiq_core_log_level, "%d: prs OPENACK@%pK,%x (%d->%d) v:%d", - state->id, header, size, remoteport, localport, - service->peer_version); + vchiq_log_debug(state->dev, VCHIQ_CORE, + "%d: prs OPENACK@%pK,%x (%d->%d) v:%d", + state->id, header, size, remoteport, localport, + service->peer_version); if (service->srvstate == VCHIQ_SRVSTATE_OPENING) { service->remoteport = remoteport; set_service_state(service, VCHIQ_SRVSTATE_OPEN); complete(&service->remove_event); } else { - vchiq_log_error(vchiq_core_log_level, "OPENACK received in state %s", + vchiq_log_error(state->dev, VCHIQ_CORE, "OPENACK received in state %s", srvstate_names[service->srvstate]); } break; case VCHIQ_MSG_CLOSE: WARN_ON(size); /* There should be no data */ - vchiq_log_info(vchiq_core_log_level, "%d: prs CLOSE@%pK (%d->%d)", - state->id, header, remoteport, localport); + vchiq_log_debug(state->dev, VCHIQ_CORE, "%d: prs CLOSE@%pK (%d->%d)", + state->id, header, remoteport, localport); mark_service_closing_internal(service, 1); if (vchiq_close_service_internal(service, CLOSE_RECVD) == -EAGAIN) goto bail_not_ready; - vchiq_log_info(vchiq_core_log_level, "Close Service %c%c%c%c s:%u d:%d", - VCHIQ_FOURCC_AS_4CHARS(service->base.fourcc), - service->localport, service->remoteport); + vchiq_log_debug(state->dev, VCHIQ_CORE, "Close Service %p4cc s:%u d:%d", + &service->base.fourcc, + service->localport, service->remoteport); break; case VCHIQ_MSG_DATA: - vchiq_log_info(vchiq_core_log_level, "%d: prs DATA@%pK,%x (%d->%d)", - state->id, header, size, remoteport, localport); + vchiq_log_debug(state->dev, VCHIQ_CORE, "%d: prs DATA@%pK,%x (%d->%d)", + state->id, header, size, remoteport, localport); if ((service->remoteport == remoteport) && (service->srvstate == VCHIQ_SRVSTATE_OPEN)) { @@ -1725,7 +1708,8 @@ parse_message(struct vchiq_state *state, struct vchiq_header *header) } break; case VCHIQ_MSG_CONNECT: - vchiq_log_info(vchiq_core_log_level, "%d: prs CONNECT@%pK", state->id, header); + vchiq_log_debug(state->dev, VCHIQ_CORE, "%d: prs CONNECT@%pK", + state->id, header); state->version_common = ((struct vchiq_slot_zero *) state->slot_data)->version; complete(&state->connect); @@ -1756,7 +1740,7 @@ parse_message(struct vchiq_state *state, struct vchiq_header *header) } if ((int)(queue->remote_insert - queue->local_insert) >= 0) { - vchiq_log_error(vchiq_core_log_level, + vchiq_log_error(state->dev, VCHIQ_CORE, "%d: prs %s@%pK (%d->%d) unexpected (ri=%d,li=%d)", state->id, msg_type_str(type), header, remoteport, localport, queue->remote_insert, @@ -1777,11 +1761,12 @@ parse_message(struct vchiq_state *state, struct vchiq_header *header) bulk->actual = *(int *)header->data; queue->remote_insert++; - vchiq_log_info(vchiq_core_log_level, "%d: prs %s@%pK (%d->%d) %x@%pad", - state->id, msg_type_str(type), header, remoteport, localport, - bulk->actual, &bulk->data); + vchiq_log_debug(state->dev, VCHIQ_CORE, + "%d: prs %s@%pK (%d->%d) %x@%pad", + state->id, msg_type_str(type), header, remoteport, + localport, bulk->actual, &bulk->data); - vchiq_log_trace(vchiq_core_log_level, "%d: prs:%d %cx li=%x ri=%x p=%x", + vchiq_log_trace(state->dev, VCHIQ_CORE, "%d: prs:%d %cx li=%x ri=%x p=%x", state->id, localport, (type == VCHIQ_MSG_BULK_RX_DONE) ? 'r' : 't', queue->local_insert, queue->remote_insert, queue->process); @@ -1797,16 +1782,16 @@ parse_message(struct vchiq_state *state, struct vchiq_header *header) } break; case VCHIQ_MSG_PADDING: - vchiq_log_trace(vchiq_core_log_level, "%d: prs PADDING@%pK,%x", + vchiq_log_trace(state->dev, VCHIQ_CORE, "%d: prs PADDING@%pK,%x", state->id, header, size); break; case VCHIQ_MSG_PAUSE: /* If initiated, signal the application thread */ - vchiq_log_trace(vchiq_core_log_level, "%d: prs PAUSE@%pK,%x", + vchiq_log_trace(state->dev, VCHIQ_CORE, "%d: prs PAUSE@%pK,%x", state->id, header, size); if (state->conn_state == VCHIQ_CONNSTATE_PAUSED) { - vchiq_log_error(vchiq_core_log_level, "%d: PAUSE received in state PAUSED", - state->id); + vchiq_log_error(state->dev, VCHIQ_CORE, + "%d: PAUSE received in state PAUSED", state->id); break; } if (state->conn_state != VCHIQ_CONNSTATE_PAUSE_SENT) { @@ -1819,7 +1804,7 @@ parse_message(struct vchiq_state *state, struct vchiq_header *header) vchiq_set_conn_state(state, VCHIQ_CONNSTATE_PAUSED); break; case VCHIQ_MSG_RESUME: - vchiq_log_trace(vchiq_core_log_level, "%d: prs RESUME@%pK,%x", + vchiq_log_trace(state->dev, VCHIQ_CORE, "%d: prs RESUME@%pK,%x", state->id, header, size); /* Release the slot mutex */ mutex_unlock(&state->slot_mutex); @@ -1836,7 +1821,7 @@ parse_message(struct vchiq_state *state, struct vchiq_header *header) break; default: - vchiq_log_error(vchiq_core_log_level, "%d: prs invalid msgid %x@%pK,%x", + vchiq_log_error(state->dev, VCHIQ_CORE, "%d: prs invalid msgid %x@%pK,%x", state->id, msgid, header, size); WARN(1, "invalid message\n"); break; @@ -1947,7 +1932,7 @@ handle_poll(struct vchiq_state *state) * since the PAUSE should have flushed * through outstanding messages. */ - vchiq_log_error(vchiq_core_log_level, "Failed to send RESUME message"); + vchiq_log_error(state->dev, VCHIQ_CORE, "Failed to send RESUME message"); } break; default: @@ -2025,6 +2010,7 @@ sync_func(void *v) struct vchiq_header *header = (struct vchiq_header *)SLOT_DATA_FROM_INDEX(state, state->remote->slot_sync); + int svc_fourcc; while (1) { struct vchiq_service *service; @@ -2046,7 +2032,7 @@ sync_func(void *v) service = find_service_by_port(state, localport); if (!service) { - vchiq_log_error(vchiq_sync_log_level, + vchiq_log_error(state->dev, VCHIQ_SYNC, "%d: sf %s@%pK (%d->%d) - invalid/closed service %d", state->id, msg_type_str(type), header, remoteport, localport, localport); @@ -2054,19 +2040,15 @@ sync_func(void *v) continue; } - if (vchiq_sync_log_level >= VCHIQ_LOG_TRACE) { - int svc_fourcc; - - svc_fourcc = service - ? service->base.fourcc - : VCHIQ_MAKE_FOURCC('?', '?', '?', '?'); - vchiq_log_trace(vchiq_sync_log_level, - "Rcvd Msg %s from %c%c%c%c s:%d d:%d len:%d", - msg_type_str(type), VCHIQ_FOURCC_AS_4CHARS(svc_fourcc), - remoteport, localport, size); - if (size > 0) - vchiq_log_dump_mem("Rcvd", 0, header->data, min(16, size)); - } + svc_fourcc = service ? service->base.fourcc + : VCHIQ_MAKE_FOURCC('?', '?', '?', '?'); + + vchiq_log_trace(state->dev, VCHIQ_SYNC, + "Rcvd Msg %s from %p4cc s:%d d:%d len:%d", + msg_type_str(type), &svc_fourcc, + remoteport, localport, size); + if (size > 0) + vchiq_log_dump_mem(state->dev, "Rcvd", 0, header->data, min(16, size)); switch (type) { case VCHIQ_MSG_OPENACK: @@ -2076,9 +2058,9 @@ sync_func(void *v) header->data; service->peer_version = payload->version; } - vchiq_log_info(vchiq_sync_log_level, "%d: sf OPENACK@%pK,%x (%d->%d) v:%d", - state->id, header, size, remoteport, localport, - service->peer_version); + vchiq_log_debug(state->dev, VCHIQ_SYNC, "%d: sf OPENACK@%pK,%x (%d->%d) v:%d", + state->id, header, size, remoteport, localport, + service->peer_version); if (service->srvstate == VCHIQ_SRVSTATE_OPENING) { service->remoteport = remoteport; set_service_state(service, VCHIQ_SRVSTATE_OPENSYNC); @@ -2089,21 +2071,21 @@ sync_func(void *v) break; case VCHIQ_MSG_DATA: - vchiq_log_trace(vchiq_sync_log_level, "%d: sf DATA@%pK,%x (%d->%d)", + vchiq_log_trace(state->dev, VCHIQ_SYNC, "%d: sf DATA@%pK,%x (%d->%d)", state->id, header, size, remoteport, localport); if ((service->remoteport == remoteport) && (service->srvstate == VCHIQ_SRVSTATE_OPENSYNC)) { if (make_service_callback(service, VCHIQ_MESSAGE_AVAILABLE, header, NULL) == -EAGAIN) - vchiq_log_error(vchiq_sync_log_level, + vchiq_log_error(state->dev, VCHIQ_SYNC, "synchronous callback to service %d returns -EAGAIN", localport); } break; default: - vchiq_log_error(vchiq_sync_log_level, "%d: sf unexpected msgid %x@%pK,%x", + vchiq_log_error(state->dev, VCHIQ_SYNC, "%d: sf unexpected msgid %x@%pK,%x", state->id, msgid, header, size); release_message_sync(state, header); break; @@ -2122,7 +2104,7 @@ get_conn_state_name(enum vchiq_connstate conn_state) } struct vchiq_slot_zero * -vchiq_init_slots(void *mem_base, int mem_size) +vchiq_init_slots(struct device *dev, void *mem_base, int mem_size) { int mem_align = (int)((VCHIQ_SLOT_SIZE - (long)mem_base) & VCHIQ_SLOT_MASK); @@ -2137,7 +2119,7 @@ vchiq_init_slots(void *mem_base, int mem_size) num_slots -= first_data_slot; if (num_slots < 4) { - vchiq_log_error(vchiq_core_log_level, "%s - insufficient memory %x bytes", + vchiq_log_error(dev, VCHIQ_CORE, "%s - insufficient memory %x bytes", __func__, mem_size); return NULL; } @@ -2174,12 +2156,11 @@ vchiq_init_state(struct vchiq_state *state, struct vchiq_slot_zero *slot_zero, s remote = &slot_zero->master; if (local->initialised) { - vchiq_loud_error_header(); if (remote->initialised) - vchiq_loud_error("local state has already been initialised"); + dev_err(dev, "local state has already been initialised\n"); else - vchiq_loud_error("master/slave mismatch two slaves"); - vchiq_loud_error_footer(); + dev_err(dev, "master/slave mismatch two slaves\n"); + return -EINVAL; } @@ -2257,9 +2238,7 @@ vchiq_init_state(struct vchiq_state *state, struct vchiq_slot_zero *slot_zero, s state->slot_handler_thread = kthread_create(&slot_handler_func, (void *)state, threadname); if (IS_ERR(state->slot_handler_thread)) { - vchiq_loud_error_header(); - vchiq_loud_error("couldn't create thread %s", threadname); - vchiq_loud_error_footer(); + dev_err(state->dev, "couldn't create thread %s\n", threadname); return PTR_ERR(state->slot_handler_thread); } set_user_nice(state->slot_handler_thread, -19); @@ -2267,9 +2246,7 @@ vchiq_init_state(struct vchiq_state *state, struct vchiq_slot_zero *slot_zero, s snprintf(threadname, sizeof(threadname), "vchiq-recy/%d", state->id); state->recycle_thread = kthread_create(&recycle_func, (void *)state, threadname); if (IS_ERR(state->recycle_thread)) { - vchiq_loud_error_header(); - vchiq_loud_error("couldn't create thread %s", threadname); - vchiq_loud_error_footer(); + dev_err(state->dev, "couldn't create thread %s\n", threadname); ret = PTR_ERR(state->recycle_thread); goto fail_free_handler_thread; } @@ -2278,9 +2255,7 @@ vchiq_init_state(struct vchiq_state *state, struct vchiq_slot_zero *slot_zero, s snprintf(threadname, sizeof(threadname), "vchiq-sync/%d", state->id); state->sync_thread = kthread_create(&sync_func, (void *)state, threadname); if (IS_ERR(state->sync_thread)) { - vchiq_loud_error_header(); - vchiq_loud_error("couldn't create thread %s", threadname); - vchiq_loud_error_footer(); + dev_err(state->dev, "couldn't create thread %s\n", threadname); ret = PTR_ERR(state->sync_thread); goto fail_free_recycle_thread; } @@ -2353,10 +2328,11 @@ struct vchiq_header *vchiq_msg_hold(struct vchiq_instance *instance, unsigned in } EXPORT_SYMBOL(vchiq_msg_hold); -static int vchiq_validate_params(const struct vchiq_service_params_kernel *params) +static int vchiq_validate_params(struct vchiq_state *state, + const struct vchiq_service_params_kernel *params) { if (!params->callback || !params->fourcc) { - vchiq_loud_error("Can't add service, invalid params\n"); + dev_err(state->dev, "Can't add service, invalid params\n"); return -EINVAL; } @@ -2376,7 +2352,7 @@ vchiq_add_service_internal(struct vchiq_state *state, int ret; int i; - ret = vchiq_validate_params(params); + ret = vchiq_validate_params(state, params); if (ret) return NULL; @@ -2486,9 +2462,9 @@ vchiq_add_service_internal(struct vchiq_state *state, /* Bring this service online */ set_service_state(service, srvstate); - vchiq_log_info(vchiq_core_msg_log_level, "%s Service %c%c%c%c SrcPort:%d", - (srvstate == VCHIQ_SRVSTATE_OPENING) ? "Open" : "Add", - VCHIQ_FOURCC_AS_4CHARS(params->fourcc), service->localport); + vchiq_log_debug(state->dev, VCHIQ_CORE_MSG, "%s Service %p4cc SrcPort:%d", + (srvstate == VCHIQ_SRVSTATE_OPENING) ? "Open" : "Add", + ¶ms->fourcc, service->localport); /* Don't unlock the service - leave it with a ref_count of 1. */ @@ -2525,7 +2501,7 @@ vchiq_open_service_internal(struct vchiq_service *service, int client_id) } else if ((service->srvstate != VCHIQ_SRVSTATE_OPEN) && (service->srvstate != VCHIQ_SRVSTATE_OPENSYNC)) { if (service->srvstate != VCHIQ_SRVSTATE_CLOSEWAIT) - vchiq_log_error(vchiq_core_log_level, + vchiq_log_error(service->state->dev, VCHIQ_CORE, "%d: osi - srvstate = %s (ref %u)", service->state->id, srvstate_names[service->srvstate], @@ -2584,12 +2560,13 @@ release_service_messages(struct vchiq_service *service) int port = VCHIQ_MSG_DSTPORT(msgid); if ((port == service->localport) && (msgid & VCHIQ_MSGID_CLAIMED)) { - vchiq_log_info(vchiq_core_log_level, " fsi - hdr %pK", header); + vchiq_log_debug(state->dev, VCHIQ_CORE, + " fsi - hdr %pK", header); release_slot(state, slot_info, header, NULL); } pos += calc_stride(header->size); if (pos > VCHIQ_SLOT_SIZE) { - vchiq_log_error(vchiq_core_log_level, + vchiq_log_error(state->dev, VCHIQ_CORE, "fsi - pos %x: header %pK, msgid %x, header->msgid %x, header->size %x", pos, header, msgid, header->msgid, header->size); WARN(1, "invalid slot position\n"); @@ -2645,8 +2622,8 @@ close_service_complete(struct vchiq_service *service, int failstate) case VCHIQ_SRVSTATE_LISTENING: break; default: - vchiq_log_error(vchiq_core_log_level, "%s(%x) called in state %s", __func__, - service->handle, srvstate_names[service->srvstate]); + vchiq_log_error(service->state->dev, VCHIQ_CORE, "%s(%x) called in state %s", + __func__, service->handle, srvstate_names[service->srvstate]); WARN(1, "%s in unexpected state\n", __func__); return -EINVAL; } @@ -2692,8 +2669,8 @@ vchiq_close_service_internal(struct vchiq_service *service, int close_recvd) int close_id = MAKE_CLOSE(service->localport, VCHIQ_MSG_DSTPORT(service->remoteport)); - vchiq_log_info(vchiq_core_log_level, "%d: csi:%d,%d (%s)", service->state->id, - service->localport, close_recvd, srvstate_names[service->srvstate]); + vchiq_log_debug(state->dev, VCHIQ_CORE, "%d: csi:%d,%d (%s)", service->state->id, + service->localport, close_recvd, srvstate_names[service->srvstate]); switch (service->srvstate) { case VCHIQ_SRVSTATE_CLOSED: @@ -2701,7 +2678,7 @@ vchiq_close_service_internal(struct vchiq_service *service, int close_recvd) case VCHIQ_SRVSTATE_LISTENING: case VCHIQ_SRVSTATE_CLOSEWAIT: if (close_recvd) { - vchiq_log_error(vchiq_core_log_level, "%s(1) called in state %s", + vchiq_log_error(state->dev, VCHIQ_CORE, "%s(1) called in state %s", __func__, srvstate_names[service->srvstate]); } else if (is_server) { if (service->srvstate == VCHIQ_SRVSTATE_LISTENING) { @@ -2789,7 +2766,7 @@ vchiq_close_service_internal(struct vchiq_service *service, int close_recvd) break; default: - vchiq_log_error(vchiq_core_log_level, "%s(%d) called in state %s", __func__, + vchiq_log_error(state->dev, VCHIQ_CORE, "%s(%d) called in state %s", __func__, close_recvd, srvstate_names[service->srvstate]); break; } @@ -2803,8 +2780,8 @@ vchiq_terminate_service_internal(struct vchiq_service *service) { struct vchiq_state *state = service->state; - vchiq_log_info(vchiq_core_log_level, "%d: tsi - (%d<->%d)", state->id, - service->localport, service->remoteport); + vchiq_log_debug(state->dev, VCHIQ_CORE, "%d: tsi - (%d<->%d)", state->id, + service->localport, service->remoteport); mark_service_closing(service); @@ -2818,7 +2795,8 @@ vchiq_free_service_internal(struct vchiq_service *service) { struct vchiq_state *state = service->state; - vchiq_log_info(vchiq_core_log_level, "%d: fsi - (%d)", state->id, service->localport); + vchiq_log_debug(state->dev, VCHIQ_CORE, "%d: fsi - (%d)", + state->id, service->localport); switch (service->srvstate) { case VCHIQ_SRVSTATE_OPENING: @@ -2828,7 +2806,7 @@ vchiq_free_service_internal(struct vchiq_service *service) case VCHIQ_SRVSTATE_CLOSEWAIT: break; default: - vchiq_log_error(vchiq_core_log_level, "%d: fsi - (%d) in state %s", state->id, + vchiq_log_error(state->dev, VCHIQ_CORE, "%d: fsi - (%d) in state %s", state->id, service->localport, srvstate_names[service->srvstate]); return; } @@ -2898,8 +2876,8 @@ vchiq_close_service(struct vchiq_instance *instance, unsigned int handle) if (!service) return -EINVAL; - vchiq_log_info(vchiq_core_log_level, "%d: close_service:%d", - service->state->id, service->localport); + vchiq_log_debug(service->state->dev, VCHIQ_CORE, "%d: close_service:%d", + service->state->id, service->localport); if ((service->srvstate == VCHIQ_SRVSTATE_FREE) || (service->srvstate == VCHIQ_SRVSTATE_LISTENING) || @@ -2929,7 +2907,7 @@ vchiq_close_service(struct vchiq_instance *instance, unsigned int handle) (service->srvstate == VCHIQ_SRVSTATE_OPEN)) break; - vchiq_log_warning(vchiq_core_log_level, + vchiq_log_warning(service->state->dev, VCHIQ_CORE, "%d: close_service:%d - waiting in state %s", service->state->id, service->localport, srvstate_names[service->srvstate]); @@ -2956,8 +2934,8 @@ vchiq_remove_service(struct vchiq_instance *instance, unsigned int handle) if (!service) return -EINVAL; - vchiq_log_info(vchiq_core_log_level, "%d: remove_service:%d", - service->state->id, service->localport); + vchiq_log_debug(service->state->dev, VCHIQ_CORE, "%d: remove_service:%d", + service->state->id, service->localport); if (service->srvstate == VCHIQ_SRVSTATE_FREE) { vchiq_service_put(service); @@ -2990,7 +2968,7 @@ vchiq_remove_service(struct vchiq_instance *instance, unsigned int handle) (service->srvstate == VCHIQ_SRVSTATE_OPEN)) break; - vchiq_log_warning(vchiq_core_log_level, + vchiq_log_warning(service->state->dev, VCHIQ_CORE, "%d: remove_service:%d - waiting in state %s", service->state->id, service->localport, srvstate_names[service->srvstate]); @@ -3100,9 +3078,9 @@ int vchiq_bulk_transfer(struct vchiq_instance *instance, unsigned int handle, */ wmb(); - vchiq_log_info(vchiq_core_log_level, "%d: bt (%d->%d) %cx %x@%pad %pK", - state->id, service->localport, service->remoteport, - dir_char, size, &bulk->data, userdata); + vchiq_log_debug(state->dev, VCHIQ_CORE, "%d: bt (%d->%d) %cx %x@%pad %pK", + state->id, service->localport, service->remoteport, + dir_char, size, &bulk->data, userdata); /* * The slot mutex must be held when the service is being closed, so @@ -3137,7 +3115,7 @@ int vchiq_bulk_transfer(struct vchiq_instance *instance, unsigned int handle, mutex_unlock(&state->slot_mutex); mutex_unlock(&service->bulk_mutex); - vchiq_log_trace(vchiq_core_log_level, "%d: bt:%d %cx li=%x ri=%x p=%x", + vchiq_log_trace(state->dev, VCHIQ_CORE, "%d: bt:%d %cx li=%x ri=%x p=%x", state->id, service->localport, dir_char, queue->local_insert, queue->remote_insert, queue->process); @@ -3565,8 +3543,8 @@ int vchiq_dump_service_state(void *dump_context, struct vchiq_service *service) } len += scnprintf(buf + len, sizeof(buf) - len, - " '%c%c%c%c' remote %s (msg use %d/%d, slot use %d/%d)", - VCHIQ_FOURCC_AS_4CHARS(fourcc), remoteport, + " '%p4cc' remote %s (msg use %d/%d, slot use %d/%d)", + &fourcc, remoteport, quota->message_use_count, quota->message_quota, quota->slot_use_count, quota->slot_quota); @@ -3628,26 +3606,6 @@ int vchiq_dump_service_state(void *dump_context, struct vchiq_service *service) return err; } -void -vchiq_loud_error_header(void) -{ - vchiq_log_error(vchiq_core_log_level, - "============================================================================"); - vchiq_log_error(vchiq_core_log_level, - "============================================================================"); - vchiq_log_error(vchiq_core_log_level, "====="); -} - -void -vchiq_loud_error_footer(void) -{ - vchiq_log_error(vchiq_core_log_level, "====="); - vchiq_log_error(vchiq_core_log_level, - "============================================================================"); - vchiq_log_error(vchiq_core_log_level, - "============================================================================"); -} - int vchiq_send_remote_use(struct vchiq_state *state) { if (state->conn_state == VCHIQ_CONNSTATE_DISCONNECTED) @@ -3665,7 +3623,8 @@ int vchiq_send_remote_use_active(struct vchiq_state *state) NULL, NULL, 0, 0); } -void vchiq_log_dump_mem(const char *label, u32 addr, const void *void_mem, size_t num_bytes) +void vchiq_log_dump_mem(struct device *dev, const char *label, u32 addr, + const void *void_mem, size_t num_bytes) { const u8 *mem = void_mem; size_t offset; @@ -3694,9 +3653,9 @@ void vchiq_log_dump_mem(const char *label, u32 addr, const void *void_mem, size_ *s++ = '\0'; if (label && (*label != '\0')) - vchiq_log_trace(VCHIQ_LOG_TRACE, "%s: %08x: %s", label, addr, line_buf); + vchiq_log_trace(dev, VCHIQ_CORE, "%s: %08x: %s", label, addr, line_buf); else - vchiq_log_trace(VCHIQ_LOG_TRACE, "%08x: %s", addr, line_buf); + vchiq_log_trace(dev, VCHIQ_CORE, "%s: %08x: %s", label, addr, line_buf); addr += 16; mem += 16; diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h index ec1a3caefaea..161358db457c 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h @@ -6,6 +6,7 @@ #include <linux/mutex.h> #include <linux/completion.h> +#include <linux/dev_printk.h> #include <linux/kthread.h> #include <linux/kref.h> #include <linux/rcupdate.h> @@ -30,50 +31,49 @@ #define VCHIQ_SLOT_SIZE 4096 #define VCHIQ_MAX_MSG_SIZE (VCHIQ_SLOT_SIZE - sizeof(struct vchiq_header)) -/* Run time control of log level, based on KERN_XXX level. */ -#define VCHIQ_LOG_DEFAULT 4 -#define VCHIQ_LOG_ERROR 3 -#define VCHIQ_LOG_WARNING 4 -#define VCHIQ_LOG_INFO 6 -#define VCHIQ_LOG_TRACE 7 +enum vchiq_log_category { + VCHIQ_ARM, + VCHIQ_CORE, + VCHIQ_CORE_MSG, + VCHIQ_SYNC, + VCHIQ_SUSPEND, +}; -#define VCHIQ_LOG_PREFIX KERN_INFO "vchiq: " +static inline const char *log_category_str(enum vchiq_log_category c) +{ + static const char * const strings[] = { + "vchiq_arm", + "vchiq_core", + "vchiq_core_msg", + "vchiq_sync", + "vchiq_suspend", + }; + + return strings[c]; +}; #ifndef vchiq_log_error -#define vchiq_log_error(cat, fmt, ...) \ - do { if (cat >= VCHIQ_LOG_ERROR) \ - printk(VCHIQ_LOG_PREFIX fmt "\n", ##__VA_ARGS__); } while (0) +#define vchiq_log_error(dev, cat, fmt, ...) \ + do { dev_dbg(dev, "%s error: " fmt, log_category_str(cat), ##__VA_ARGS__); } while (0) #endif #ifndef vchiq_log_warning -#define vchiq_log_warning(cat, fmt, ...) \ - do { if (cat >= VCHIQ_LOG_WARNING) \ - printk(VCHIQ_LOG_PREFIX fmt "\n", ##__VA_ARGS__); } while (0) +#define vchiq_log_warning(dev, cat, fmt, ...) \ + do { dev_dbg(dev, "%s warning: " fmt, log_category_str(cat), ##__VA_ARGS__); } while (0) #endif -#ifndef vchiq_log_info -#define vchiq_log_info(cat, fmt, ...) \ - do { if (cat >= VCHIQ_LOG_INFO) \ - printk(VCHIQ_LOG_PREFIX fmt "\n", ##__VA_ARGS__); } while (0) +#ifndef vchiq_log_debug +#define vchiq_log_debug(dev, cat, fmt, ...) \ + do { dev_dbg(dev, "%s debug: " fmt, log_category_str(cat), ##__VA_ARGS__); } while (0) #endif #ifndef vchiq_log_trace -#define vchiq_log_trace(cat, fmt, ...) \ - do { if (cat >= VCHIQ_LOG_TRACE) \ - printk(VCHIQ_LOG_PREFIX fmt "\n", ##__VA_ARGS__); } while (0) +#define vchiq_log_trace(dev, cat, fmt, ...) \ + do { dev_dbg(dev, "%s trace: " fmt, log_category_str(cat), ##__VA_ARGS__); } while (0) #endif -#define vchiq_loud_error(...) \ - vchiq_log_error(vchiq_core_log_level, "===== " __VA_ARGS__) - #define VCHIQ_SLOT_MASK (VCHIQ_SLOT_SIZE - 1) #define VCHIQ_SLOT_QUEUE_MASK (VCHIQ_MAX_SLOTS_PER_SIDE - 1) #define VCHIQ_SLOT_ZERO_SLOTS DIV_ROUND_UP(sizeof(struct vchiq_slot_zero), \ VCHIQ_SLOT_SIZE) -#define VCHIQ_FOURCC_AS_4CHARS(fourcc) \ - ((fourcc) >> 24) & 0xff, \ - ((fourcc) >> 16) & 0xff, \ - ((fourcc) >> 8) & 0xff, \ - (fourcc) & 0xff - #define BITSET_SIZE(b) ((b + 31) >> 5) #define BITSET_WORD(b) (b >> 5) #define BITSET_BIT(b) (1 << (b & 31)) @@ -463,15 +463,11 @@ struct vchiq_config { extern spinlock_t bulk_waiter_spinlock; -extern int vchiq_core_log_level; -extern int vchiq_core_msg_log_level; -extern int vchiq_sync_log_level; - extern const char * get_conn_state_name(enum vchiq_connstate conn_state); extern struct vchiq_slot_zero * -vchiq_init_slots(void *mem_base, int mem_size); +vchiq_init_slots(struct device *dev, void *mem_base, int mem_size); extern int vchiq_init_state(struct vchiq_state *state, struct vchiq_slot_zero *slot_zero, struct device *dev); @@ -600,7 +596,8 @@ void vchiq_platform_conn_state_changed(struct vchiq_state *state, void vchiq_set_conn_state(struct vchiq_state *state, enum vchiq_connstate newstate); -void vchiq_log_dump_mem(const char *label, u32 addr, const void *void_mem, size_t num_bytes); +void vchiq_log_dump_mem(struct device *dev, const char *label, u32 addr, + const void *void_mem, size_t num_bytes); int vchiq_remove_service(struct vchiq_instance *instance, unsigned int service); diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_debugfs.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_debugfs.c index dc667afd1f8c..58db78a9c8d4 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_debugfs.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_debugfs.c @@ -13,102 +13,10 @@ #define DEBUGFS_WRITE_BUF_SIZE 256 -#define VCHIQ_LOG_ERROR_STR "error" -#define VCHIQ_LOG_WARNING_STR "warning" -#define VCHIQ_LOG_INFO_STR "info" -#define VCHIQ_LOG_TRACE_STR "trace" - /* Global 'vchiq' debugfs and clients entry used by all instances */ static struct dentry *vchiq_dbg_dir; static struct dentry *vchiq_dbg_clients; -/* Log category debugfs entries */ -struct vchiq_debugfs_log_entry { - const char *name; - void *plevel; -}; - -static struct vchiq_debugfs_log_entry vchiq_debugfs_log_entries[] = { - { "core", &vchiq_core_log_level }, - { "msg", &vchiq_core_msg_log_level }, - { "sync", &vchiq_sync_log_level }, - { "susp", &vchiq_susp_log_level }, - { "arm", &vchiq_arm_log_level }, -}; - -static int debugfs_log_show(struct seq_file *f, void *offset) -{ - int *levp = f->private; - char *log_value = NULL; - - switch (*levp) { - case VCHIQ_LOG_ERROR: - log_value = VCHIQ_LOG_ERROR_STR; - break; - case VCHIQ_LOG_WARNING: - log_value = VCHIQ_LOG_WARNING_STR; - break; - case VCHIQ_LOG_INFO: - log_value = VCHIQ_LOG_INFO_STR; - break; - case VCHIQ_LOG_TRACE: - log_value = VCHIQ_LOG_TRACE_STR; - break; - default: - break; - } - - seq_printf(f, "%s\n", log_value ? log_value : "(null)"); - - return 0; -} - -static int debugfs_log_open(struct inode *inode, struct file *file) -{ - return single_open(file, debugfs_log_show, inode->i_private); -} - -static ssize_t debugfs_log_write(struct file *file, - const char __user *buffer, - size_t count, loff_t *ppos) -{ - struct seq_file *f = (struct seq_file *)file->private_data; - int *levp = f->private; - char kbuf[DEBUGFS_WRITE_BUF_SIZE + 1]; - - memset(kbuf, 0, DEBUGFS_WRITE_BUF_SIZE + 1); - if (count >= DEBUGFS_WRITE_BUF_SIZE) - count = DEBUGFS_WRITE_BUF_SIZE; - - if (copy_from_user(kbuf, buffer, count)) - return -EFAULT; - kbuf[count - 1] = 0; - - if (strncmp("error", kbuf, strlen("error")) == 0) - *levp = VCHIQ_LOG_ERROR; - else if (strncmp("warning", kbuf, strlen("warning")) == 0) - *levp = VCHIQ_LOG_WARNING; - else if (strncmp("info", kbuf, strlen("info")) == 0) - *levp = VCHIQ_LOG_INFO; - else if (strncmp("trace", kbuf, strlen("trace")) == 0) - *levp = VCHIQ_LOG_TRACE; - else - *levp = VCHIQ_LOG_DEFAULT; - - *ppos += count; - - return count; -} - -static const struct file_operations debugfs_log_fops = { - .owner = THIS_MODULE, - .open = debugfs_log_open, - .write = debugfs_log_write, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - static int debugfs_usecount_show(struct seq_file *f, void *offset) { struct vchiq_instance *instance = f->private; @@ -205,19 +113,8 @@ void vchiq_debugfs_remove_instance(struct vchiq_instance *instance) void vchiq_debugfs_init(void) { - struct dentry *dir; - int i; - vchiq_dbg_dir = debugfs_create_dir("vchiq", NULL); vchiq_dbg_clients = debugfs_create_dir("clients", vchiq_dbg_dir); - - /* create an entry under <debugfs>/vchiq/log for each log category */ - dir = debugfs_create_dir("log", vchiq_dbg_dir); - - for (i = 0; i < ARRAY_SIZE(vchiq_debugfs_log_entries); i++) - debugfs_create_file(vchiq_debugfs_log_entries[i].name, 0644, - dir, vchiq_debugfs_log_entries[i].plevel, - &debugfs_log_fops); } /* remove all the debugfs entries */ diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_dev.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_dev.c index 841e1a535642..0bc93f48c14c 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_dev.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_dev.c @@ -47,9 +47,9 @@ user_service_free(void *userdata) static void close_delivered(struct user_service *user_service) { - vchiq_log_info(vchiq_arm_log_level, - "%s(handle=%x)", - __func__, user_service->service->handle); + vchiq_log_debug(user_service->service->state->dev, VCHIQ_ARM, + "%s(handle=%x)", + __func__, user_service->service->handle); if (user_service->close_pending) { /* Allow the underlying service to be culled */ @@ -235,8 +235,8 @@ static int vchiq_ioc_dequeue_message(struct vchiq_instance *instance, spin_unlock(&msg_queue_spinlock); DEBUG_TRACE(DEQUEUE_MESSAGE_LINE); if (wait_for_completion_interruptible(&user_service->insert_event)) { - vchiq_log_info(vchiq_arm_log_level, - "DEQUEUE_MESSAGE interrupted"); + vchiq_log_debug(service->state->dev, VCHIQ_ARM, + "DEQUEUE_MESSAGE interrupted"); ret = -EINTR; break; } @@ -271,7 +271,7 @@ static int vchiq_ioc_dequeue_message(struct vchiq_instance *instance, ret = -EFAULT; } } else { - vchiq_log_error(vchiq_arm_log_level, + vchiq_log_error(service->state->dev, VCHIQ_ARM, "header %pK: bufsize %x < size %x", header, args->bufsize, header->size); WARN(1, "invalid size\n"); @@ -318,13 +318,13 @@ static int vchiq_irq_queue_bulk_tx_rx(struct vchiq_instance *instance, } mutex_unlock(&instance->bulk_waiter_list_mutex); if (!waiter) { - vchiq_log_error(vchiq_arm_log_level, + vchiq_log_error(service->state->dev, VCHIQ_ARM, "no bulk_waiter found for pid %d", current->pid); ret = -ESRCH; goto out; } - vchiq_log_info(vchiq_arm_log_level, - "found bulk_waiter %pK for pid %d", waiter, current->pid); + vchiq_log_debug(service->state->dev, VCHIQ_ARM, + "found bulk_waiter %pK for pid %d", waiter, current->pid); userdata = &waiter->bulk_waiter; } else { userdata = args->userdata; @@ -355,8 +355,8 @@ static int vchiq_irq_queue_bulk_tx_rx(struct vchiq_instance *instance, mutex_lock(&instance->bulk_waiter_list_mutex); list_add(&waiter->list, &instance->bulk_waiter_list); mutex_unlock(&instance->bulk_waiter_list_mutex); - vchiq_log_info(vchiq_arm_log_level, - "saved bulk_waiter %pK for pid %d", waiter, current->pid); + vchiq_log_debug(service->state->dev, VCHIQ_ARM, + "saved bulk_waiter %pK for pid %d", waiter, current->pid); ret = put_user(mode_waiting, mode); } @@ -455,8 +455,8 @@ static int vchiq_ioc_await_completion(struct vchiq_instance *instance, mutex_lock(&instance->completion_mutex); if (rc) { DEBUG_TRACE(AWAIT_COMPLETION_LINE); - vchiq_log_info(vchiq_arm_log_level, - "AWAIT_COMPLETION interrupted"); + vchiq_log_debug(instance->state->dev, VCHIQ_ARM, + "AWAIT_COMPLETION interrupted"); ret = -EINTR; goto out; } @@ -501,7 +501,7 @@ static int vchiq_ioc_await_completion(struct vchiq_instance *instance, msglen = header->size + sizeof(struct vchiq_header); /* This must be a VCHIQ-style service */ if (args->msgbufsize < msglen) { - vchiq_log_error(vchiq_arm_log_level, + vchiq_log_error(service->state->dev, VCHIQ_ARM, "header %pK: msgbufsize %x < msglen %x", header, args->msgbufsize, msglen); WARN(1, "invalid message size\n"); @@ -582,7 +582,7 @@ vchiq_ioctl(struct file *file, unsigned int cmd, unsigned long arg) long ret = 0; int i, rc; - vchiq_log_trace(vchiq_arm_log_level, + vchiq_log_trace(instance->state->dev, VCHIQ_ARM, "%s - instance %pK, cmd %s, arg %lx", __func__, instance, ((_IOC_TYPE(cmd) == VCHIQ_IOC_MAGIC) && (_IOC_NR(cmd) <= VCHIQ_IOC_MAX)) ? ioctl_names[_IOC_NR(cmd)] : "<invalid>", arg); @@ -618,7 +618,7 @@ vchiq_ioctl(struct file *file, unsigned int cmd, unsigned long arg) } rc = mutex_lock_killable(&instance->state->mutex); if (rc) { - vchiq_log_error(vchiq_arm_log_level, + vchiq_log_error(instance->state->dev, VCHIQ_ARM, "vchiq: connect: could not lock mutex for state %d: %d", instance->state->id, rc); ret = -EINTR; @@ -630,7 +630,7 @@ vchiq_ioctl(struct file *file, unsigned int cmd, unsigned long arg) if (!status) instance->connected = 1; else - vchiq_log_error(vchiq_arm_log_level, + vchiq_log_error(instance->state->dev, VCHIQ_ARM, "vchiq: could not connect: %d", status); break; @@ -700,14 +700,13 @@ vchiq_ioctl(struct file *file, unsigned int cmd, unsigned long arg) vchiq_use_service_internal(service) : vchiq_release_service_internal(service); if (ret) { - vchiq_log_error(vchiq_susp_log_level, - "%s: cmd %s returned error %ld for service %c%c%c%c:%03d", + vchiq_log_error(instance->state->dev, VCHIQ_SUSPEND, + "%s: cmd %s returned error %ld for service %p4cc:%03d", __func__, (cmd == VCHIQ_IOC_USE_SERVICE) ? "VCHIQ_IOC_USE_SERVICE" : "VCHIQ_IOC_RELEASE_SERVICE", - ret, - VCHIQ_FOURCC_AS_4CHARS(service->base.fourcc), - service->client_id); + ret, &service->base.fourcc, + service->client_id); } } else { ret = -EINVAL; @@ -868,16 +867,17 @@ vchiq_ioctl(struct file *file, unsigned int cmd, unsigned long arg) ret = -EINTR; } - if (!status && (ret < 0) && (ret != -EINTR) && (ret != -EWOULDBLOCK)) - vchiq_log_info(vchiq_arm_log_level, - " ioctl instance %pK, cmd %s -> status %d, %ld", - instance, (_IOC_NR(cmd) <= VCHIQ_IOC_MAX) ? - ioctl_names[_IOC_NR(cmd)] : "<invalid>", status, ret); - else - vchiq_log_trace(vchiq_arm_log_level, + if (!status && (ret < 0) && (ret != -EINTR) && (ret != -EWOULDBLOCK)) { + vchiq_log_debug(instance->state->dev, VCHIQ_ARM, " ioctl instance %pK, cmd %s -> status %d, %ld", instance, (_IOC_NR(cmd) <= VCHIQ_IOC_MAX) ? ioctl_names[_IOC_NR(cmd)] : "<invalid>", status, ret); + } else { + vchiq_log_trace(instance->state->dev, VCHIQ_ARM, + " ioctl instance %pK, cmd %s -> status %d, %ld", + instance, (_IOC_NR(cmd) <= VCHIQ_IOC_MAX) ? + ioctl_names[_IOC_NR(cmd)] : "<invalid>", status, ret); + } return ret; } @@ -1170,10 +1170,10 @@ static int vchiq_open(struct inode *inode, struct file *file) struct vchiq_state *state = vchiq_get_state(); struct vchiq_instance *instance; - vchiq_log_info(vchiq_arm_log_level, "vchiq_open"); + vchiq_log_debug(state->dev, VCHIQ_ARM, "vchiq_open"); if (!state) { - vchiq_log_error(vchiq_arm_log_level, + vchiq_log_error(state->dev, VCHIQ_ARM, "vchiq has no connection to VideoCore"); return -ENOTCONN; } @@ -1206,8 +1206,8 @@ static int vchiq_release(struct inode *inode, struct file *file) int ret = 0; int i; - vchiq_log_info(vchiq_arm_log_level, "%s: instance=%lx", __func__, - (unsigned long)instance); + vchiq_log_debug(state->dev, VCHIQ_ARM, "%s: instance=%lx", __func__, + (unsigned long)instance); if (!state) { ret = -EPERM; |