From: Lan Tianyu <tianyu.lan@xxxxxxxxx>
The acpi_thermal->lock now just is initialized when thermal zone device
is added and destroyed when thermal zone is removed. Never being used
any other places. So remove it.
Acked-by: Zhang Rui <rui.zhang@xxxxxxxxx>
Signed-off-by: Lan Tianyu <tianyu.lan@xxxxxxxxx>
---
drivers/acpi/thermal.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index a3e38a0..850818d 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;
};
/* --------------------------------------------------------------------------
@@ -1088,8 +1087,6 @@ 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)
@@ -1122,7 +1119,6 @@ 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;
}
--
1.8.4.rc0.1.g8f6a3e5.dirty
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