Allow led-class devices to be created with optional attribute groups.
This is needed in order to allow led drivers to create custom device
attributes in a race-free manner.
Signed-off-by: Johan Hovold <johan@xxxxxxxxxx>
---
drivers/leds/led-class.c | 5 +++--
include/linux/leds.h | 2 ++
2 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c
index f37d63cf726b..aa29198fca3e 100644
--- a/drivers/leds/led-class.c
+++ b/drivers/leds/led-class.c
@@ -210,8 +210,9 @@ static const struct dev_pm_ops leds_class_dev_pm_ops = {
*/
int led_classdev_register(struct device *parent, struct led_classdev *led_cdev)
{
- led_cdev->dev = device_create(leds_class, parent, 0, led_cdev,
- "%s", led_cdev->name);
+ led_cdev->dev = device_create_with_groups(leds_class, parent, 0,
+ led_cdev, led_cdev->groups,
+ "%s", led_cdev->name);
if (IS_ERR(led_cdev->dev))
return PTR_ERR(led_cdev->dev);
diff --git a/include/linux/leds.h b/include/linux/leds.h
index 0287ab296689..e43686472197 100644
--- a/include/linux/leds.h
+++ b/include/linux/leds.h
@@ -63,6 +63,8 @@ struct led_classdev {
unsigned long *delay_off);
struct device *dev;
+ const struct attribute_group **groups;
+
struct list_head node; /* LED Device list */
const char *default_trigger; /* Trigger to use */
--
1.8.5.5
--
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