[PATCH 37/61] gpio: rdc321x: Use devm_gpiochip_add_data() for gpio registration

From: Laxman Dewangan
Date: Mon Feb 22 2016 - 09:25:18 EST


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

Signed-off-by: Laxman Dewangan <ldewangan@xxxxxxxxxx>
---
drivers/gpio/gpio-rdc321x.c | 13 ++-----------
1 file changed, 2 insertions(+), 11 deletions(-)

diff --git a/drivers/gpio/gpio-rdc321x.c b/drivers/gpio/gpio-rdc321x.c
index 96ddee3..ec945b9 100644
--- a/drivers/gpio/gpio-rdc321x.c
+++ b/drivers/gpio/gpio-rdc321x.c
@@ -194,23 +194,14 @@ static int rdc321x_gpio_probe(struct platform_device *pdev)

dev_info(&pdev->dev, "registering %d GPIOs\n",
rdc321x_gpio_dev->chip.ngpio);
- return gpiochip_add_data(&rdc321x_gpio_dev->chip, rdc321x_gpio_dev);
-}
-
-static int rdc321x_gpio_remove(struct platform_device *pdev)
-{
- struct rdc321x_gpio *rdc321x_gpio_dev = platform_get_drvdata(pdev);
-
- gpiochip_remove(&rdc321x_gpio_dev->chip);
-
- return 0;
+ return devm_gpiochip_add_data(&pdev->dev, &rdc321x_gpio_dev->chip,
+ rdc321x_gpio_dev);
}

static struct platform_driver rdc321x_gpio_driver = {
.driver.name = "rdc321x-gpio",
.driver.owner = THIS_MODULE,
.probe = rdc321x_gpio_probe,
- .remove = rdc321x_gpio_remove,
};

module_platform_driver(rdc321x_gpio_driver);
--
2.1.4