| From | Tomeu Vizoso <> | Subject | [PATCH 15/21] backlight: Probe backlight devices on demand | Date | Mon, 25 May 2015 16:53:19 +0200 |
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When looking up a backlight device through its DT node, ensure that the corresponding device has been registered.
Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com> --- drivers/video/backlight/backlight.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c index bddc8b1..fe7833b 100644 --- a/drivers/video/backlight/backlight.c +++ b/drivers/video/backlight/backlight.c @@ -12,6 +12,7 @@ #include <linux/device.h> #include <linux/backlight.h> #include <linux/notifier.h> +#include <linux/of_platform.h> #include <linux/ctype.h> #include <linux/err.h> #include <linux/fb.h> @@ -559,6 +560,8 @@ struct backlight_device *of_find_backlight_by_node(struct device_node *node) { struct device *dev; + of_platform_device_ensure(node); + dev = class_find_device(backlight_class, NULL, node, of_parent_match); return dev ? to_backlight_device(dev) : NULL; -- 2.4.1
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