Thread (70 messages) 70 messages, 15 authors, 2015-06-23

[PATCH 15/21] backlight: Probe backlight devices on demand

From: Lee Jones <hidden>
Date: 2015-05-26 07:18:57
Also in: linux-fbdev, lkml

On Mon, 25 May 2015, Tomeu Vizoso wrote:
When looking up a backlight device through its DT node, ensure that the
corresponding device has been registered.

Signed-off-by: Tomeu Vizoso <redacted>
---
 drivers/video/backlight/backlight.c | 3 +++
 1 file changed, 3 insertions(+)
Looks reasonable.

Until anyone screams at me, applied thanks.
quoted hunk ↗ jump to hunk
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;
-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org ? Open source software for ARM SoCs
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