diff options
Diffstat (limited to 'include/linux/lcd.h')
| -rw-r--r-- | include/linux/lcd.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/lcd.h b/include/linux/lcd.h index bfbf6552eb51..46970af2ca89 100644 --- a/include/linux/lcd.h +++ b/include/linux/lcd.h | |||
| @@ -14,7 +14,7 @@ | |||
| 14 | 14 | ||
| 15 | /* Notes on locking: | 15 | /* Notes on locking: |
| 16 | * | 16 | * |
| 17 | * lcd_device->sem is an internal backlight lock protecting the props | 17 | * lcd_device->props_lock is an internal backlight lock protecting the props |
| 18 | * field and no code outside the core should need to touch it. | 18 | * field and no code outside the core should need to touch it. |
| 19 | * | 19 | * |
| 20 | * Access to set_power() is serialised by the update_lock mutex since | 20 | * Access to set_power() is serialised by the update_lock mutex since |
| @@ -52,7 +52,7 @@ struct lcd_device { | |||
| 52 | /* This protects the 'props' field. If 'props' is NULL, the driver that | 52 | /* This protects the 'props' field. If 'props' is NULL, the driver that |
| 53 | registered this device has been unloaded, and if class_get_devdata() | 53 | registered this device has been unloaded, and if class_get_devdata() |
| 54 | points to something in the body of that driver, it is also invalid. */ | 54 | points to something in the body of that driver, it is also invalid. */ |
| 55 | struct semaphore sem; | 55 | struct mutex props_lock; |
| 56 | /* If this is NULL, the backing module is unloaded */ | 56 | /* If this is NULL, the backing module is unloaded */ |
| 57 | struct lcd_properties *props; | 57 | struct lcd_properties *props; |
| 58 | /* Serialise access to set_power method */ | 58 | /* Serialise access to set_power method */ |