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318f2d6101
This backports fixes for setting of_node and making it possible to read extra info from DT. This was partially fixed by: [PATCH] leds: leds-gpio: Set of_node for created LED devices but it didn't work during initialization. Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
76 lines
2.1 KiB
Diff
76 lines
2.1 KiB
Diff
From bc2c0dd85a0a31505ca2f92bef891ddac9126725 Mon Sep 17 00:00:00 2001
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From: Heiner Kallweit <hkallweit1@gmail.com>
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Date: Wed, 14 Sep 2016 20:55:27 +0200
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Subject: [PATCH] leds: gpio: switch to managed version of
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led_classdev_register
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Using the managed version of led_classdev_register allows to
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significantly simplify the code.
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Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
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Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
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---
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drivers/leds/leds-gpio.c | 23 ++---------------------
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1 file changed, 2 insertions(+), 21 deletions(-)
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--- a/drivers/leds/leds-gpio.c
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+++ b/drivers/leds/leds-gpio.c
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@@ -143,7 +143,7 @@ static int create_gpio_led(const struct
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INIT_WORK(&led_dat->work, gpio_led_work);
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- return led_classdev_register(parent, &led_dat->cdev);
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+ return devm_led_classdev_register(parent, &led_dat->cdev);
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}
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static void delete_gpio_led(struct gpio_led_data *led)
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@@ -231,8 +231,6 @@ static struct gpio_leds_priv *gpio_leds_
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return priv;
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err:
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- for (count = priv->num_leds - 1; count >= 0; count--)
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- delete_gpio_led(&priv->leds[count]);
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return ERR_PTR(ret);
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}
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@@ -261,12 +259,8 @@ static int gpio_led_probe(struct platfor
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ret = create_gpio_led(&pdata->leds[i],
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&priv->leds[i],
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&pdev->dev, pdata->gpio_blink_set);
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- if (ret < 0) {
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- /* On failure: unwind the led creations */
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- for (i = i - 1; i >= 0; i--)
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- delete_gpio_led(&priv->leds[i]);
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+ if (ret < 0)
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return ret;
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- }
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}
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} else {
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priv = gpio_leds_create(pdev);
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@@ -279,17 +273,6 @@ static int gpio_led_probe(struct platfor
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return 0;
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}
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-static int gpio_led_remove(struct platform_device *pdev)
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-{
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- struct gpio_leds_priv *priv = platform_get_drvdata(pdev);
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- int i;
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-
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- for (i = 0; i < priv->num_leds; i++)
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- delete_gpio_led(&priv->leds[i]);
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-
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- return 0;
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-}
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-
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static void gpio_led_shutdown(struct platform_device *pdev)
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{
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struct gpio_leds_priv *priv = platform_get_drvdata(pdev);
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@@ -304,7 +287,6 @@ static void gpio_led_shutdown(struct pla
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static struct platform_driver gpio_led_driver = {
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.probe = gpio_led_probe,
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- .remove = gpio_led_remove,
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.shutdown = gpio_led_shutdown,
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.driver = {
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.name = "leds-gpio",
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