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gpio: wm8350: Use devm_gpiochip_add_data() for gpio registration 

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 55e3e1a75d
commit 61da4848a1
1 changed files with 2 additions and 10 deletions
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12
drivers/gpio/gpio-wm831x.c
View File

@ -259,7 +259,8 @@ static int wm831x_gpio_probe(struct platform_device *pdev)
else else
wm831x_gpio->gpio_chip.base = -1; wm831x_gpio->gpio_chip.base = -1;
ret = gpiochip_add_data(&wm831x_gpio->gpio_chip, wm831x_gpio); ret = devm_gpiochip_add_data(&pdev->dev, &wm831x_gpio->gpio_chip,
wm831x_gpio);
if (ret < 0) { if (ret < 0) {
dev_err(&pdev->dev, "Could not register gpiochip, %d\n", ret); dev_err(&pdev->dev, "Could not register gpiochip, %d\n", ret);
return ret; return ret;
@ -270,19 +271,10 @@ static int wm831x_gpio_probe(struct platform_device *pdev)
return ret; return ret;
} }
static int wm831x_gpio_remove(struct platform_device *pdev)
{
struct wm831x_gpio *wm831x_gpio = platform_get_drvdata(pdev);
gpiochip_remove(&wm831x_gpio->gpio_chip);
return 0;
}
static struct platform_driver wm831x_gpio_driver = { static struct platform_driver wm831x_gpio_driver = {
.driver.name = "wm831x-gpio", .driver.name = "wm831x-gpio",
.driver.owner = THIS_MODULE, .driver.owner = THIS_MODULE,
.probe = wm831x_gpio_probe, .probe = wm831x_gpio_probe,
.remove = wm831x_gpio_remove,
}; };
static int __init wm831x_gpio_init(void) static int __init wm831x_gpio_init(void)