This adds remove function in at91_gpio_driver platform_driver so that
driver can be unloaded cleanly.
CC: Jean-Christophe Plagniol-Villard <plagn...@jcrosoft.com>
CC: Linus Walleij <linus.wall...@linaro.org>
Signed-off-by: Pramod Gurav <pramod.gu...@smartplayin.com>
---
drivers/pinctrl/pinctrl-at91.c | 13 +++++++++++++
1 files changed, 13 insertions(+), 0 deletions(-)
diff --git a/drivers/pinctrl/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c
index 8b8772c..92641b6 100644
--- a/drivers/pinctrl/pinctrl-at91.c
+++ b/drivers/pinctrl/pinctrl-at91.c
@@ -1646,6 +1646,7 @@ static int at91_gpio_probe(struct platform_device *pdev)
if (ret)
goto irq_setup_err;
+ platform_set_drvdata(pdev, at91_chip);
dev_info(&pdev->dev, "at address %p\n", at91_chip->regbase);
return 0;
@@ -1663,6 +1664,17 @@ err:
return ret;
}
+static int at91_gpio_remove(struct platform_device *pdev)
+{
+ struct at91_gpio_chip *at91_chip = platform_get_drvdata(pdev);
+
+ gpiochip_remove(&at91_chip->chip);
+ clk_disable(at91_chip->clock);
+ clk_unprepare(at91_chip->clock);
+
+ return 0;
+}
+
static struct platform_driver at91_gpio_driver = {
.driver = {
.name = "gpio-at91",
@@ -1670,6 +1682,7 @@ static struct platform_driver at91_gpio_driver = {
.of_match_table = at91_gpio_of_match,
},
.probe = at91_gpio_probe,
+ .remove = at91_gpio_remove,
};
static struct platform_driver at91_pinctrl_driver = {
--
1.7.0.4
--
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