lkml.org 
[lkml]   [2016]   [Sep]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 5/6] leds: gpio: switch to managed version of led_classdev_register
Date
Using the managed version of led_classdev_register allows to
significantly simplify the code.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
---
drivers/leds/leds-gpio.c | 23 ++---------------------
1 file changed, 2 insertions(+), 21 deletions(-)

diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c
index 00a24e3..ab273f8 100644
--- a/drivers/leds/leds-gpio.c
+++ b/drivers/leds/leds-gpio.c
@@ -139,7 +139,7 @@ static int create_gpio_led(const struct gpio_led *template,
if (ret < 0)
return ret;

- return led_classdev_register(parent, &led_dat->cdev);
+ return devm_led_classdev_register(parent, &led_dat->cdev);
}

struct gpio_leds_priv {
@@ -219,8 +219,6 @@ static struct gpio_leds_priv *gpio_leds_create(struct platform_device *pdev)
return priv;

err:
- for (count = priv->num_leds - 1; count >= 0; count--)
- led_classdev_unregister(&priv->leds[count].cdev);
return ERR_PTR(ret);
}

@@ -249,13 +247,8 @@ static int gpio_led_probe(struct platform_device *pdev)
ret = create_gpio_led(&pdata->leds[i],
&priv->leds[i],
&pdev->dev, pdata->gpio_blink_set);
- if (ret < 0) {
- /* On failure: unwind the led creations */
- for (i = i - 1; i >= 0; i--)
- led_classdev_unregister(
- &priv->leds[i].cdev);
+ if (ret < 0)
return ret;
- }
}
} else {
priv = gpio_leds_create(pdev);
@@ -268,17 +261,6 @@ static int gpio_led_probe(struct platform_device *pdev)
return 0;
}

-static int gpio_led_remove(struct platform_device *pdev)
-{
- struct gpio_leds_priv *priv = platform_get_drvdata(pdev);
- int i;
-
- for (i = 0; i < priv->num_leds; i++)
- led_classdev_unregister(&priv->leds[i].cdev);
-
- return 0;
-}
-
static void gpio_led_shutdown(struct platform_device *pdev)
{
struct gpio_leds_priv *priv = platform_get_drvdata(pdev);
@@ -293,7 +275,6 @@ static void gpio_led_shutdown(struct platform_device *pdev)

static struct platform_driver gpio_led_driver = {
.probe = gpio_led_probe,
- .remove = gpio_led_remove,
.shutdown = gpio_led_shutdown,
.driver = {
.name = "leds-gpio",
--
2.9.2

\
 
 \ /
  Last update: 2016-09-17 09:59    [W:0.039 / U:0.156 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site