openwrt/target/linux/generic/backport-5.4/801-v5.6-leds-populate-the-device-s-of_node.patch
Adrian Schmutzler 83b1e40561 kernel: bump 5.4 to 5.4.59
Removed since added upstream:
  bcm27xx:
    950-0428-staging-vchiq_arm-Add-a-matching-unregister-call.patch
  lantiq:
    0800-spi-lantiq-ssc-Fix-warning-by-using-WQ_MEM_RECLAI.patch

Manually adjusted patches:
  layerscape:
    801-audio-0005-Revert-ASoC-fsl_sai-Add-support-for-SAI-new-version.patch

Build-tested: ath79/generic, ramips, lantiq/xrx200, lantiq/xway,
   mvebu/cortexa9, sunxi/a53
Run-tested: ipq806x (R7800), layerscape (LS1012A-FRDM, LS1046A-RDB)

Building on layerscape is only possible with workaround from PR #3179.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
Tested-By: John Audia <graysky@archlinux.us> [ipq806x]
Tested-by: Pawel Dembicki <paweldembicki@gmail.com> [layerscape]
2020-08-20 14:19:39 +02:00

37 lines
1.2 KiB
Diff

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",