diff options
| author | Lan Tianyu <tianyu.lan@intel.com> | 2013-08-14 21:00:37 +0800 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-08-14 23:23:57 +0200 |
| commit | 8a6036b92620a4ea0a1285d5c134ac9610ff4b32 (patch) | |
| tree | 8f5e85682caef062cfa228ee5b808587ba841d1c /drivers/acpi/thermal.c | |
| parent | f3ce717e60572421f56d89c9a85ac42e634d16e7 (diff) | |
| download | linux-8a6036b92620a4ea0a1285d5c134ac9610ff4b32.tar.gz linux-8a6036b92620a4ea0a1285d5c134ac9610ff4b32.tar.xz | |
ACPI / thermal: Remove the unused lock of struct acpi_thermal
The acpi_thermal->lock now just is initialized when a thermal zone
device is added and destroyed when the thermal zone is removed.
It is never used in any other places, so remove it.
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Acked-by: Zhang Rui <rui.zhang@intel.com>
Acked-by: Durgadoss R <durgadoss.r@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/thermal.c')
| -rw-r--r-- | drivers/acpi/thermal.c | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index 547a906a7662..dc1ba6c9ef5d 100644 --- a/drivers/acpi/thermal.c +++ b/drivers/acpi/thermal.c @@ -190,7 +190,6 @@ struct acpi_thermal { struct thermal_zone_device *thermal_zone; int tz_enabled; int kelvin_offset; - struct mutex lock; }; /* -------------------------------------------------------------------------- @@ -1098,8 +1097,6 @@ static int acpi_thermal_add(struct acpi_device *device) strcpy(acpi_device_name(device), ACPI_THERMAL_DEVICE_NAME); strcpy(acpi_device_class(device), ACPI_THERMAL_CLASS); device->driver_data = tz; - mutex_init(&tz->lock); - result = acpi_thermal_get_info(tz); if (result) @@ -1132,7 +1129,6 @@ static int acpi_thermal_remove(struct acpi_device *device) tz = acpi_driver_data(device); acpi_thermal_unregister_thermal_zone(tz); - mutex_destroy(&tz->lock); kfree(tz); return 0; } |