lcd: add devm_lcd_device_{register,unregister}()
These functions allow the driver core to automatically clean up any
allocation made by lcd drivers. Thus it simplifies the error paths.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/include/linux/lcd.h b/include/linux/lcd.h
index e00c3b0..504f624 100644
--- a/include/linux/lcd.h
+++ b/include/linux/lcd.h
@@ -112,7 +112,12 @@
extern struct lcd_device *lcd_device_register(const char *name,
struct device *parent, void *devdata, struct lcd_ops *ops);
+extern struct lcd_device *devm_lcd_device_register(struct device *dev,
+ const char *name, struct device *parent,
+ void *devdata, struct lcd_ops *ops);
extern void lcd_device_unregister(struct lcd_device *ld);
+extern void devm_lcd_device_unregister(struct device *dev,
+ struct lcd_device *ld);
#define to_lcd_device(obj) container_of(obj, struct lcd_device, dev)