| From 7a349e8c535d7327bf80710323c725df47149b8d Mon Sep 17 00:00:00 2001 |
| From: Jean-Jacques Hiblot <jjhiblot@ti.com> |
| Date: Sun, 5 Jan 2020 23:31:14 +0100 |
| Subject: [PATCH] leds: populate the device's of_node |
| |
| If initialization data is available and its fwnode is actually a |
| of_node, store this information in the led device's structure. This |
| will allow the device to use or provide OF-based API such (devm_xxx). |
| |
| Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com> |
| Signed-off-by: Pavel Machek <pavel@ucw.cz> |
| [backport to 5.4] |
| --- |
| |
| --- a/drivers/leds/led-class.c |
| +++ b/drivers/leds/led-class.c |
| @@ -19,6 +19,7 @@ |
| #include <linux/spinlock.h> |
| #include <linux/timer.h> |
| #include <uapi/linux/uleds.h> |
| +#include <linux/of.h> |
| #include "leds.h" |
| |
| static struct class *leds_class; |
| @@ -277,8 +278,10 @@ int led_classdev_register_ext(struct dev |
| mutex_unlock(&led_cdev->led_access); |
| return PTR_ERR(led_cdev->dev); |
| } |
| - if (init_data && init_data->fwnode) |
| + if (init_data && init_data->fwnode) { |
| led_cdev->dev->fwnode = init_data->fwnode; |
| + led_cdev->dev->of_node = to_of_node(init_data->fwnode); |
| + } |
| |
| if (ret) |
| dev_warn(parent, "Led %s renamed to %s due to name collision", |