gpio: 74xx-mmio: Use devm_gpiochip_add_data() for gpio registration

Use devm_gpiochip_add_data() for GPIO registration and remove the
call for gpiochip_remove() from error path.

Also remove the need of driver callback .remove.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Cc: Alexander Shiyan <shc_work@mail.ru>

diff --git a/drivers/gpio/gpio-74xx-mmio.c b/drivers/gpio/gpio-74xx-mmio.c
index 372b0e0..0475e8e 100644 (file)
--- a/drivers/gpio/gpio-74xx-mmio.c
+++ b/drivers/gpio/gpio-74xx-mmio.c
@@ -140,15 +140,7 @@ static int mmio_74xx_gpio_probe(struct platform_device *pdev)
 
        platform_set_drvdata(pdev, priv);
 
-       return gpiochip_add_data(&priv->gc, priv);
-}
-
-static int mmio_74xx_gpio_remove(struct platform_device *pdev)
-{
-       struct mmio_74xx_gpio_priv *priv = platform_get_drvdata(pdev);
-
-       gpiochip_remove(&priv->gc);
-       return 0;
+       return devm_gpiochip_add_data(&pdev->dev, &priv->gc, priv);
 }
 
 static struct platform_driver mmio_74xx_gpio_driver = {
@@ -157,7 +149,6 @@ static struct platform_driver mmio_74xx_gpio_driver = {
                .of_match_table = mmio_74xx_gpio_ids,
        },
        .probe  = mmio_74xx_gpio_probe,
-       .remove = mmio_74xx_gpio_remove,
 };
 module_platform_driver(mmio_74xx_gpio_driver);