gpio: zevio: Use of_mm_gpiochip_remove

Since d621e8bae5ac9c67 (Create of_mm_gpiochip_remove), there is a
counterpart for of_mm_gpiochip_add.

This patch implements the remove function of the driver making use of
it.

Cc: Alexandre Courbot <gnurou@gmail.com>
Cc: Fabian Vogt <fabian@ritter-vogt.de>
Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 12 insertions, 0 deletions

diff --git a/drivers/gpio/gpio-zevio.c b/drivers/gpio/gpio-zevio.c
index f769cd53f4e4..6f02d7c4cc57 100644
--- a/drivers/gpio/gpio-zevio.c
+++ b/drivers/gpio/gpio-zevio.c
@@ -181,6 +181,8 @@ static int zevio_gpio_probe(struct platform_device *pdev)
         if (!controller)
                 return -ENOMEM;
 
+        platform_set_drvdata(pdev, controller);
+
         /* Copy our reference */
         controller->chip.gc = zevio_gpio_chip;
         controller->chip.gc.dev = &pdev->dev;
@@ -202,6 +204,15 @@ static int zevio_gpio_probe(struct platform_device *pdev)
         return 0;
 }
 
+static int zevio_gpio_remove(struct platform_device *pdev)
+{
+        struct zevio_gpio *controller = platform_get_drvdata(pdev);
+
+        of_mm_gpiochip_remove(&controller->chip);
+
+        return 0;
+}
+
 static const struct of_device_id zevio_gpio_of_match[] = {
         { .compatible = "lsi,zevio-gpio", },
         { },
@@ -215,6 +226,7 @@ static struct platform_driver zevio_gpio_driver = {
                 .of_match_table = zevio_gpio_of_match,
         },
         .probe          = zevio_gpio_probe,
+        .remove         = zevio_gpio_remove,
 };
 module_platform_driver(zevio_gpio_driver);