gpio: lp3943: 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>

diff --git a/drivers/gpio/gpio-lp3943.c b/drivers/gpio/gpio-lp3943.c
index 1c8e2ae..6dc6725 100644 (file)
--- a/drivers/gpio/gpio-lp3943.c
+++ b/drivers/gpio/gpio-lp3943.c
@@ -204,15 +204,8 @@ static int lp3943_gpio_probe(struct platform_device *pdev)
 
        platform_set_drvdata(pdev, lp3943_gpio);
 
-       return gpiochip_add_data(&lp3943_gpio->chip, lp3943_gpio);
-}
-
-static int lp3943_gpio_remove(struct platform_device *pdev)
-{
-       struct lp3943_gpio *lp3943_gpio = platform_get_drvdata(pdev);
-
-       gpiochip_remove(&lp3943_gpio->chip);
-       return 0;
+       return devm_gpiochip_add_data(&pdev->dev, &lp3943_gpio->chip,
+                                     lp3943_gpio);
 }
 
 static const struct of_device_id lp3943_gpio_of_match[] = {
@@ -223,7 +216,6 @@ MODULE_DEVICE_TABLE(of, lp3943_gpio_of_match);
 
 static struct platform_driver lp3943_gpio_driver = {
        .probe = lp3943_gpio_probe,
-       .remove = lp3943_gpio_remove,
        .driver = {
                .name = "lp3943-gpio",
                .of_match_table = lp3943_gpio_of_match,