gpio: ath79: Make the driver removable
As we now allow the driver to be built as a module it should be
removable.
Signed-off-by: Alban Bedel <albeu@free.fr>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/gpio/gpio-ath79.c b/drivers/gpio/gpio-ath79.c
index afb535e..6b15792 100644
--- a/drivers/gpio/gpio-ath79.c
+++ b/drivers/gpio/gpio-ath79.c
@@ -46,6 +46,7 @@
ctrl = devm_kzalloc(&pdev->dev, sizeof(*ctrl), GFP_KERNEL);
if (!ctrl)
return -ENOMEM;
+ platform_set_drvdata(pdev, ctrl);
if (np) {
err = of_property_read_u32(np, "ngpios", &ath79_gpio_count);
@@ -97,12 +98,21 @@
return 0;
}
+static int ath79_gpio_remove(struct platform_device *pdev)
+{
+ struct ath79_gpio_ctrl *ctrl = platform_get_drvdata(pdev);
+
+ gpiochip_remove(&ctrl->gc);
+ return 0;
+}
+
static struct platform_driver ath79_gpio_driver = {
.driver = {
.name = "ath79-gpio",
.of_match_table = ath79_gpio_of_match,
},
.probe = ath79_gpio_probe,
+ .remove = ath79_gpio_remove,
};
module_platform_driver(ath79_gpio_driver);