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backlight: backlight: Drop backlight_put()

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There are no external users of backlight_put(). Drop it and open code
the two users in backlight.c.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Sam Ravnborg 2020-07-19 10:07:42 +02:00 • committed by Lee Jones
parent 51d53e5b06
commit 0f6a3256fd
2 changed files with 5 additions and 12 deletions
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7
drivers/video/backlight/backlight.c
View file

@ -718,7 +718,10 @@ EXPORT_SYMBOL(of_find_backlight);
static void devm_backlight_release(void *data) static void devm_backlight_release(void *data)
{ {
backlight_put(data); struct backlight_device *bd = data;
if (bd)
put_device(&bd->dev);
} }
/** /**
@ -746,7 +749,7 @@ struct backlight_device *devm_of_find_backlight(struct device *dev)
return bd; return bd;
ret = devm_add_action(dev, devm_backlight_release, bd); ret = devm_add_action(dev, devm_backlight_release, bd);
if (ret) { if (ret) {
backlight_put(bd); put_device(&bd->dev);
return ERR_PTR(ret); return ERR_PTR(ret);
} }
return bd; return bd;

10
include/linux/backlight.h
View file

@ -388,16 +388,6 @@ static inline int backlight_disable(struct backlight_device *bd)
return backlight_update_status(bd); return backlight_update_status(bd);
} }
/**
* backlight_put - Drop backlight reference
* @bd: the backlight device to put
*/
static inline void backlight_put(struct backlight_device *bd)
{
if (bd)
put_device(&bd->dev);
}
/** /**
* backlight_is_blank - Return true if display is expected to be blank * backlight_is_blank - Return true if display is expected to be blank
* @bd: the backlight device * @bd: the backlight device