diff options
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/acpica/utmutex.c | 5 | ||||
| -rw-r--r-- | drivers/acpi/numa.c | 4 | ||||
| -rw-r--r-- | drivers/acpi/osl.c | 7 | ||||
| -rw-r--r-- | drivers/acpi/power.c | 2 | ||||
| -rw-r--r-- | drivers/acpi/processor_idle.c | 3 | ||||
| -rw-r--r-- | drivers/acpi/video.c | 10 |
6 files changed, 11 insertions, 20 deletions
diff --git a/drivers/acpi/acpica/utmutex.c b/drivers/acpi/acpica/utmutex.c index 058b3df48271..f5cca3a1300c 100644 --- a/drivers/acpi/acpica/utmutex.c +++ b/drivers/acpi/acpica/utmutex.c @@ -279,13 +279,10 @@ acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id) acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id) { - acpi_thread_id this_thread_id; - ACPI_FUNCTION_NAME(ut_release_mutex); - this_thread_id = acpi_os_get_thread_id(); ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Thread %p releasing Mutex [%s]\n", - ACPI_CAST_PTR(void, this_thread_id), + ACPI_CAST_PTR(void, acpi_os_get_thread_id()), acpi_ut_get_mutex_name(mutex_id))); if (mutex_id > ACPI_MAX_MUTEX) { diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c index b0337d314604..5718566e00f9 100644 --- a/drivers/acpi/numa.c +++ b/drivers/acpi/numa.c @@ -255,12 +255,10 @@ acpi_parse_memory_affinity(struct acpi_subtable_header * header, static int __init acpi_parse_srat(struct acpi_table_header *table) { - struct acpi_table_srat *srat; - if (!table) return -EINVAL; - srat = (struct acpi_table_srat *)table; + /* Real work done in acpi_table_parse_srat below. */ return 0; } diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index 44bddc5bc6ad..03017b1eb38b 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -141,15 +141,14 @@ static struct osi_linux { static void __init acpi_request_region (struct acpi_generic_address *addr, unsigned int length, char *desc) { - struct resource *res; - if (!addr->address || !length) return; + /* Resources are never freed */ if (addr->space_id == ACPI_ADR_SPACE_SYSTEM_IO) - res = request_region(addr->address, length, desc); + request_region(addr->address, length, desc); else if (addr->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) - res = request_mem_region(addr->address, length, desc); + request_mem_region(addr->address, length, desc); } static int __init acpi_reserve_resources(void) diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c index 4fe5018fd6ab..cf073aa0709b 100644 --- a/drivers/acpi/power.c +++ b/drivers/acpi/power.c @@ -242,8 +242,6 @@ static int acpi_power_off_device(acpi_handle handle, struct acpi_device *dev) acpi_status status = AE_OK; struct acpi_power_resource *resource = NULL; struct list_head *node, *next; - struct acpi_power_reference *ref; - result = acpi_power_get_context(handle, &resource); if (result) diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 5cbc0cb73e2c..07bc74d8356e 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -722,13 +722,12 @@ static inline void acpi_idle_do_entry(struct acpi_processor_cx *cx) } else if (cx->entry_method == ACPI_CSTATE_HALT) { acpi_safe_halt(); } else { - int unused; /* IO port based C-state */ inb(cx->address); /* Dummy wait op - must do something useless after P_LVL2 read because chipsets cannot guarantee that STPCLK# signal gets asserted in time to freeze execution properly. */ - unused = inl(acpi_gbl_FADT.xpm_timer_block.address); + inl(acpi_gbl_FADT.xpm_timer_block.address); } start_critical_timings(); } diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index 909ae7bf3b93..67dec0c675aa 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -2167,7 +2167,7 @@ acpi_video_bus_get_devices(struct acpi_video_bus *video, status = acpi_video_bus_get_one_device(dev, video); if (ACPI_FAILURE(status)) { printk(KERN_WARNING PREFIX - "Cant attach device"); + "Cant attach device\n"); continue; } } @@ -2177,19 +2177,19 @@ acpi_video_bus_get_devices(struct acpi_video_bus *video, static int acpi_video_bus_put_one_device(struct acpi_video_device *device) { acpi_status status; - struct acpi_video_bus *video; - if (!device || !device->video) return -ENOENT; - video = device->video; - acpi_video_device_remove_fs(device->dev); status = acpi_remove_notify_handler(device->dev->handle, ACPI_DEVICE_NOTIFY, acpi_video_device_notify); + if (ACPI_FAILURE(status)) { + printk(KERN_WARNING PREFIX + "Cant remove video notify handler\n"); + } if (device->backlight) { sysfs_remove_link(&device->backlight->dev.kobj, "device"); backlight_device_unregister(device->backlight); |