[PATCH 09/61] gpio: arizona: Use devm_gpiochip_add_data() for gpio registration

From: Laxman Dewangan
Date: Mon Feb 22 2016 - 09:22:22 EST


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

Signed-off-by: Laxman Dewangan <ldewangan@xxxxxxxxxx>
Cc: patches@xxxxxxxxxxxxxxxxxxxxxxxxxxx
---
drivers/gpio/gpio-arizona.c | 12 ++----------
1 file changed, 2 insertions(+), 10 deletions(-)

diff --git a/drivers/gpio/gpio-arizona.c b/drivers/gpio/gpio-arizona.c
index e910c1f..9913704 100644
--- a/drivers/gpio/gpio-arizona.c
+++ b/drivers/gpio/gpio-arizona.c
@@ -132,7 +132,8 @@ static int arizona_gpio_probe(struct platform_device *pdev)
else
arizona_gpio->gpio_chip.base = -1;

- ret = gpiochip_add_data(&arizona_gpio->gpio_chip, arizona_gpio);
+ ret = devm_gpiochip_add_data(&pdev->dev, &arizona_gpio->gpio_chip,
+ arizona_gpio);
if (ret < 0) {
dev_err(&pdev->dev, "Could not register gpiochip, %d\n",
ret);
@@ -147,18 +148,9 @@ err:
return ret;
}

-static int arizona_gpio_remove(struct platform_device *pdev)
-{
- struct arizona_gpio *arizona_gpio = platform_get_drvdata(pdev);
-
- gpiochip_remove(&arizona_gpio->gpio_chip);
- return 0;
-}
-
static struct platform_driver arizona_gpio_driver = {
.driver.name = "arizona-gpio",
.probe = arizona_gpio_probe,
- .remove = arizona_gpio_remove,
};

module_platform_driver(arizona_gpio_driver);
--
2.1.4