There are no external users of of_find_backlight,
as they have all changed to use the managed version.
Make of_find_backlight static to prevent new external users.
v3:
- Move doc for devm_of_find_backlight out of this patch
v2:
- Editorial corrections (Daniel)
- Returns => RETURNS (Daniel)
Signed-off-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
Reviewed-by: Daniel Thompson <daniel.thompson@xxxxxxxxxx>
Cc: Lee Jones <lee.jones@xxxxxxxxxx>
Cc: Daniel Thompson <daniel.thompson@xxxxxxxxxx>
Cc: Jingoo Han <jingoohan1@xxxxxxxxx>
---
drivers/video/backlight/backlight.c | 18 +-----------------
include/linux/backlight.h | 6 ------
2 files changed, 1 insertion(+), 23 deletions(-)
diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c
index d8387c8e7112..ff8406a15545 100644
--- a/drivers/video/backlight/backlight.c
+++ b/drivers/video/backlight/backlight.c
@@ -673,22 +673,7 @@ struct backlight_device *of_find_backlight_by_node(struct device_node *node)
EXPORT_SYMBOL(of_find_backlight_by_node);
#endif
-/**
- * of_find_backlight - Get backlight device
- * @dev: Device
- *
- * This function looks for a property named 'backlight' on the DT node
- * connected to @dev and looks up the backlight device.
- *
- * Call backlight_put() to drop the reference on the backlight device.
- *
- * Returns:
- * A pointer to the backlight device if found.
- * Error pointer -EPROBE_DEFER if the DT property is set, but no backlight
- * device is found.
- * NULL if there's no backlight property.
- */
-struct backlight_device *of_find_backlight(struct device *dev)
+static struct backlight_device *of_find_backlight(struct device *dev)
{
struct backlight_device *bd = NULL;
struct device_node *np;
@@ -714,7 +699,6 @@ struct backlight_device *of_find_backlight(struct device *dev)
return bd;
}
-EXPORT_SYMBOL(of_find_backlight);
static void devm_backlight_release(void *data)
{
diff --git a/include/linux/backlight.h b/include/linux/backlight.h
index f3b484c99789..8b43fd90d84a 100644
--- a/include/linux/backlight.h
+++ b/include/linux/backlight.h
@@ -477,14 +477,8 @@ of_find_backlight_by_node(struct device_node *node)
#endif
#if IS_ENABLED(CONFIG_BACKLIGHT_CLASS_DEVICE)
-struct backlight_device *of_find_backlight(struct device *dev);
struct backlight_device *devm_of_find_backlight(struct device *dev);
#else
-static inline struct backlight_device *of_find_backlight(struct device *dev)
-{
- return NULL;
-}
-
static inline struct backlight_device *
devm_of_find_backlight(struct device *dev)
{
--
2.25.1
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