From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heiner Kallweit Subject: [PATCH 7/8] leds: gpio: switch to managed version of led_classdev_register Date: Tue, 13 Sep 2016 08:03:39 +0200 Message-ID: <333c8dff-7cda-b963-3098-9dbbd1745320@gmail.com> References: <5432fb03-ea18-a949-ce53-10fedc15f5d9@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: Received: from mail-wm0-f68.google.com ([74.125.82.68]:36327 "EHLO mail-wm0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754078AbcIMGEK (ORCPT ); Tue, 13 Sep 2016 02:04:10 -0400 Received: by mail-wm0-f68.google.com with SMTP id b184so715516wma.3 for ; Mon, 12 Sep 2016 23:04:10 -0700 (PDT) In-Reply-To: <5432fb03-ea18-a949-ce53-10fedc15f5d9@gmail.com> Sender: linux-leds-owner@vger.kernel.org List-Id: linux-leds@vger.kernel.org To: Jacek Anaszewski , "linux-leds@vger.kernel.org" Using the managed version of led_classdev_register allows to significantly simplify the code. Signed-off-by: Heiner Kallweit --- 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 deea159..381f6e0 100644 --- a/drivers/leds/leds-gpio.c +++ b/drivers/leds/leds-gpio.c @@ -134,7 +134,7 @@ 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 { @@ -214,8 +214,6 @@ 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); } @@ -244,13 +242,8 @@ 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); @@ -263,17 +256,6 @@ 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); @@ -288,7 +270,6 @@ 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