1 From 7a349e8c535d7327bf80710323c725df47149b8d Mon Sep 17 00:00:00 2001
2 From: Jean-Jacques Hiblot <jjhiblot@ti.com>
3 Date: Sun, 5 Jan 2020 23:31:14 +0100
4 Subject: [PATCH] leds: populate the device's of_node
6 If initialization data is available and its fwnode is actually a
7 of_node, store this information in the led device's structure. This
8 will allow the device to use or provide OF-based API such (devm_xxx).
10 Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
11 Signed-off-by: Pavel Machek <pavel@ucw.cz>
15 --- a/drivers/leds/led-class.c
16 +++ b/drivers/leds/led-class.c
18 #include <linux/spinlock.h>
19 #include <linux/timer.h>
20 #include <uapi/linux/uleds.h>
21 +#include <linux/of.h>
24 static struct class *leds_class;
25 @@ -277,8 +278,10 @@ int led_classdev_register_ext(struct dev
26 mutex_unlock(&led_cdev->led_access);
27 return PTR_ERR(led_cdev->dev);
29 - if (init_data && init_data->fwnode)
30 + if (init_data && init_data->fwnode) {
31 led_cdev->dev->fwnode = init_data->fwnode;
32 + led_cdev->dev->of_node = to_of_node(init_data->fwnode);
36 dev_warn(parent, "Led %s renamed to %s due to name collision",