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04a87fedda
Fixes issues with loading trigger-sources for usbport trigger from DTS. Signed-off-by: Sungbo Eo <mans0n@gorani.run>
37 lines
1.2 KiB
Diff
37 lines
1.2 KiB
Diff
From 7a349e8c535d7327bf80710323c725df47149b8d Mon Sep 17 00:00:00 2001
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From: Jean-Jacques Hiblot <jjhiblot@ti.com>
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Date: Sun, 5 Jan 2020 23:31:14 +0100
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Subject: [PATCH] leds: populate the device's of_node
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If initialization data is available and its fwnode is actually a
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of_node, store this information in the led device's structure. This
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will allow the device to use or provide OF-based API such (devm_xxx).
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Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
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Signed-off-by: Pavel Machek <pavel@ucw.cz>
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[backport to 5.4]
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---
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--- a/drivers/leds/led-class.c
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+++ b/drivers/leds/led-class.c
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@@ -19,6 +19,7 @@
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#include <linux/spinlock.h>
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#include <linux/timer.h>
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#include <uapi/linux/uleds.h>
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+#include <linux/of.h>
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#include "leds.h"
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static struct class *leds_class;
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@@ -276,8 +277,10 @@ int led_classdev_register_ext(struct dev
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mutex_unlock(&led_cdev->led_access);
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return PTR_ERR(led_cdev->dev);
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}
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- if (init_data && init_data->fwnode)
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+ if (init_data && init_data->fwnode) {
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led_cdev->dev->fwnode = init_data->fwnode;
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+ led_cdev->dev->of_node = to_of_node(init_data->fwnode);
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+ }
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if (ret)
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dev_warn(parent, "Led %s renamed to %s due to name collision",
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