diff options
| author | Sachin Kamat <sachin.kamat@linaro.org> | 2012-11-25 10:14:27 +0530 |
|---|---|---|
| committer | Bryan Wu <cooloney@gmail.com> | 2012-11-27 14:49:24 -0800 |
| commit | 95a8ff835674e1156c0640f83829773f8bfe655a (patch) | |
| tree | a531694c0a331162d1fc43907f4f308e6d2bd8a4 /drivers/leds | |
| parent | e3b1d44c3550e5badfa5b78ffec80e15d7d9b287 (diff) | |
| download | linux-95a8ff835674e1156c0640f83829773f8bfe655a.tar.gz | |
leds: leds-lt3593: use devm_gpio_request_one
devm_gpio_request_one is device managed and makes error handling and cleanup simpler. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Acked-by: Daniel Mack <daniel@caiaq.de> Signed-off-by: Bryan Wu <cooloney@gmail.com>
Diffstat (limited to 'drivers/leds')
| -rw-r--r-- | drivers/leds/leds-lt3593.c | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/drivers/leds/leds-lt3593.c b/drivers/leds/leds-lt3593.c index 17b710c63995..5ee6b8b7e4d3 100644 --- a/drivers/leds/leds-lt3593.c +++ b/drivers/leds/leds-lt3593.c @@ -106,8 +106,8 @@ static int __devinit create_lt3593_led(const struct gpio_led *template, if (!template->retain_state_suspended) led_dat->cdev.flags |= LED_CORE_SUSPENDRESUME; - ret = gpio_request_one(template->gpio, GPIOF_DIR_OUT | state, - template->name); + ret = devm_gpio_request_one(parent, template->gpio, + GPIOF_DIR_OUT | state, template->name); if (ret < 0) return ret; @@ -115,16 +115,12 @@ static int __devinit create_lt3593_led(const struct gpio_led *template, ret = led_classdev_register(parent, &led_dat->cdev); if (ret < 0) - goto err; + return ret; printk(KERN_INFO "%s: registered LT3593 LED '%s' at GPIO %d\n", KBUILD_MODNAME, template->name, template->gpio); return 0; - -err: - gpio_free(led_dat->gpio); - return ret; } static void delete_lt3593_led(struct lt3593_led_data *led) @@ -134,7 +130,6 @@ static void delete_lt3593_led(struct lt3593_led_data *led) led_classdev_unregister(&led->cdev); cancel_work_sync(&led->work); - gpio_free(led->gpio); } static int __devinit lt3593_led_probe(struct platform_device *pdev) |