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authorLaxman Dewangan <ldewangan@nvidia.com>2016-02-22 13:13:28 +0100
committerLaxman Dewangan <ldewangan@nvidia.com>2016-02-23 16:05:53 +0100
commitc87dc4e46e74e3859cb1abb1b734a13808246261 (patch)
tree4aa84b0b57af1882e0eae791c591867757424666 /drivers/gpio/gpio-wm8994.c
parentgpio: wm8350: Use devm_gpiochip_add_data() for gpio registration (diff)
downloadlinux-c87dc4e46e74e3859cb1abb1b734a13808246261.tar.xz
linux-c87dc4e46e74e3859cb1abb1b734a13808246261.zip
gpio: wm8994: 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>
Diffstat (limited to 'drivers/gpio/gpio-wm8994.c')
-rw-r--r--drivers/gpio/gpio-wm8994.c17
1 files changed, 3 insertions, 14 deletions
diff --git a/drivers/gpio/gpio-wm8994.c b/drivers/gpio/gpio-wm8994.c
index 3ae4c1597494..b089df99a0d0 100644
--- a/drivers/gpio/gpio-wm8994.c
+++ b/drivers/gpio/gpio-wm8994.c
@@ -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)