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path: root/drivers/pinctrl/pinctrl-at91.c
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Diffstat (limited to 'drivers/pinctrl/pinctrl-at91.c')
-rw-r--r--drivers/pinctrl/pinctrl-at91.c28
1 files changed, 6 insertions, 22 deletions
diff --git a/drivers/pinctrl/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c
index 523b6b794..b7c0d6f7c 100644
--- a/drivers/pinctrl/pinctrl-at91.c
+++ b/drivers/pinctrl/pinctrl-at91.c
@@ -1252,7 +1252,8 @@ static int at91_pinctrl_probe(struct platform_device *pdev)
}
platform_set_drvdata(pdev, info);
- info->pctl = pinctrl_register(&at91_pinctrl_desc, &pdev->dev, info);
+ info->pctl = devm_pinctrl_register(&pdev->dev, &at91_pinctrl_desc,
+ info);
if (IS_ERR(info->pctl)) {
dev_err(&pdev->dev, "could not register AT91 pinctrl driver\n");
@@ -1269,15 +1270,6 @@ static int at91_pinctrl_probe(struct platform_device *pdev)
return 0;
}
-static int at91_pinctrl_remove(struct platform_device *pdev)
-{
- struct at91_pinctrl *info = platform_get_drvdata(pdev);
-
- pinctrl_unregister(info->pctl);
-
- return 0;
-}
-
static int at91_gpio_get_direction(struct gpio_chip *chip, unsigned offset)
{
struct at91_gpio_chip *at91_gpio = gpiochip_get_data(chip);
@@ -1660,7 +1652,7 @@ static int at91_gpio_of_irq_setup(struct platform_device *pdev,
}
/* This structure is replicated for each GPIO block allocated at probe time */
-static struct gpio_chip at91_gpio_template = {
+static const struct gpio_chip at91_gpio_template = {
.request = gpiochip_generic_request,
.free = gpiochip_generic_free,
.get_direction = at91_gpio_get_direction,
@@ -1730,14 +1722,9 @@ static int at91_gpio_probe(struct platform_device *pdev)
goto err;
}
- ret = clk_prepare(at91_chip->clock);
- if (ret)
- goto clk_prepare_err;
-
- /* enable PIO controller's clock */
- ret = clk_enable(at91_chip->clock);
+ ret = clk_prepare_enable(at91_chip->clock);
if (ret) {
- dev_err(&pdev->dev, "failed to enable clock, ignoring.\n");
+ dev_err(&pdev->dev, "failed to prepare and enable clock, ignoring.\n");
goto clk_enable_err;
}
@@ -1797,10 +1784,8 @@ static int at91_gpio_probe(struct platform_device *pdev)
irq_setup_err:
gpiochip_remove(chip);
gpiochip_add_err:
- clk_disable(at91_chip->clock);
clk_enable_err:
- clk_unprepare(at91_chip->clock);
-clk_prepare_err:
+ clk_disable_unprepare(at91_chip->clock);
err:
dev_err(&pdev->dev, "Failure %i for GPIO %i\n", ret, alias_idx);
@@ -1821,7 +1806,6 @@ static struct platform_driver at91_pinctrl_driver = {
.of_match_table = at91_pinctrl_of_match,
},
.probe = at91_pinctrl_probe,
- .remove = at91_pinctrl_remove,
};
static struct platform_driver * const drivers[] = {