backlight: Clean up pmac_backlight handling

Move the setting/unsetting of pmac_backlight into the
backlight core instead of doing it in each driver.

Signed-off-by: Richard Purdie <rpurdie@rpsys.net>

1 files changed, 0 insertions, 13 deletions

diff --git a/drivers/video/aty/radeon_backlight.c b/drivers/video/aty/radeon_backlight.c
index f94e4616788d..8c775e6a7e03 100644
--- a/drivers/video/aty/radeon_backlight.c
+++ b/drivers/video/aty/radeon_backlight.c
@@ -192,13 +192,6 @@ void radeonfb_bl_init(struct radeonfb_info *rinfo)
         bd->props->power = FB_BLANK_UNBLANK;
         backlight_update_status(bd);
 
-#ifdef CONFIG_PMAC_BACKLIGHT
-        mutex_lock(&pmac_backlight_mutex);
-        if (!pmac_backlight)
-                pmac_backlight = bd;
-        mutex_unlock(&pmac_backlight_mutex);
-#endif
-
         printk("radeonfb: Backlight initialized (%s)\n", name);
 
         return;
@@ -215,12 +208,6 @@ void radeonfb_bl_exit(struct radeonfb_info *rinfo)
         if (bd) {
                 struct radeon_bl_privdata *pdata;
 
-#ifdef CONFIG_PMAC_BACKLIGHT
-                mutex_lock(&pmac_backlight_mutex);
-                if (pmac_backlight == bd)
-                        pmac_backlight = NULL;
-                mutex_unlock(&pmac_backlight_mutex);
-#endif
                 pdata = class_get_devdata(&bd->class_dev);
                 backlight_device_unregister(bd);
                 kfree(pdata);