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gpio: wm8994: Use devm_gpiochip_add_data() for gpio registration

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Use devm_gpiochip_add_data() for GPIO registration and remove the
need of driver callback .remove.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Cc: patches@opensource.wolfsonmicro.com
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
This commit is contained in:
Laxman Dewangan 2016-02-22 17:43:28 +05:30
parent 4a4925cf2b
commit c87dc4e46e
1 changed files with 3 additions and 14 deletions
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17
drivers/gpio/gpio-wm8994.c
View file

@ -261,34 +261,23 @@ static int wm8994_gpio_probe(struct platform_device *pdev)
else
wm8994_gpio->gpio_chip.base = -1;
ret = gpiochip_add_data(&wm8994_gpio->gpio_chip, wm8994_gpio);
ret = devm_gpiochip_add_data(&pdev->dev, &wm8994_gpio->gpio_chip,
wm8994_gpio);
if (ret < 0) {
dev_err(&pdev->dev, "Could not register gpiochip, %d\n",
ret);
goto err;
return ret;
}
platform_set_drvdata(pdev, wm8994_gpio);
return ret;
err:
return ret;
}
static int wm8994_gpio_remove(struct platform_device *pdev)
{
struct wm8994_gpio *wm8994_gpio = platform_get_drvdata(pdev);
gpiochip_remove(&wm8994_gpio->gpio_chip);
return 0;
}
static struct platform_driver wm8994_gpio_driver = {
.driver.name = "wm8994-gpio",
.driver.owner = THIS_MODULE,
.probe = wm8994_gpio_probe,
.remove = wm8994_gpio_remove,
};
static int __init wm8994_gpio_init(void)