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leds: leds-gpio: use devm_gpio_request_one
devm_gpio_request_one is device managed and makes error handling and cleanup simpler. Cc: Raphael Assenat <raph@8d.com> Cc: Trent Piepho <tpiepho@freescale.com> Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Bryan Wu <cooloney@gmail.com>
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parent
4401e48737
commit
e3b1d44c35
1 changed files with 2 additions and 6 deletions
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@ -126,7 +126,7 @@ static int __devinit create_gpio_led(const struct gpio_led *template,
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if (!template->retain_state_suspended)
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led_dat->cdev.flags |= LED_CORE_SUSPENDRESUME;
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ret = gpio_request_one(template->gpio,
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ret = devm_gpio_request_one(parent, template->gpio,
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GPIOF_DIR_OUT | (led_dat->active_low ^ state),
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template->name);
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if (ret < 0)
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@ -136,12 +136,9 @@ static int __devinit create_gpio_led(const struct gpio_led *template,
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ret = led_classdev_register(parent, &led_dat->cdev);
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if (ret < 0)
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goto err;
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return ret;
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return 0;
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err:
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gpio_free(led_dat->gpio);
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return ret;
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}
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static void delete_gpio_led(struct gpio_led_data *led)
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@ -150,7 +147,6 @@ static void delete_gpio_led(struct gpio_led_data *led)
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return;
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led_classdev_unregister(&led->cdev);
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cancel_work_sync(&led->work);
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gpio_free(led->gpio);
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}
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struct gpio_leds_priv {
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