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path: root/drivers/gpio/gpio-stp-xway.c
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Diffstat (limited to 'drivers/gpio/gpio-stp-xway.c')
-rw-r--r--drivers/gpio/gpio-stp-xway.c18
1 files changed, 6 insertions, 12 deletions
diff --git a/drivers/gpio/gpio-stp-xway.c b/drivers/gpio/gpio-stp-xway.c
index 053d616f2e02..493c027afdd6 100644
--- a/drivers/gpio/gpio-stp-xway.c
+++ b/drivers/gpio/gpio-stp-xway.c
@@ -113,7 +113,7 @@ static int xway_stp_get(struct gpio_chip *gc, unsigned int gpio)
*
* Set the shadow value and call ltq_ebu_apply.
*/
-static void xway_stp_set(struct gpio_chip *gc, unsigned gpio, int val)
+static int xway_stp_set(struct gpio_chip *gc, unsigned int gpio, int val)
{
struct xway_stp *chip = gpiochip_get_data(gc);
@@ -124,6 +124,8 @@ static void xway_stp_set(struct gpio_chip *gc, unsigned gpio, int val)
xway_stp_w32(chip->virt, chip->shadow, XWAY_STP_CPU0);
if (!chip->reserved)
xway_stp_w32_mask(chip->virt, 0, XWAY_STP_CON_SWU, XWAY_STP_CON0);
+
+ return 0;
}
/**
@@ -136,9 +138,7 @@ static void xway_stp_set(struct gpio_chip *gc, unsigned gpio, int val)
*/
static int xway_stp_dir_out(struct gpio_chip *gc, unsigned gpio, int val)
{
- xway_stp_set(gc, gpio, val);
-
- return 0;
+ return xway_stp_set(gc, gpio, val);
}
/**
@@ -296,23 +296,17 @@ static int xway_stp_probe(struct platform_device *pdev)
if (!of_property_read_bool(pdev->dev.of_node, "lantiq,rising"))
chip->edge = XWAY_STP_FALLING;
- clk = devm_clk_get(&pdev->dev, NULL);
+ clk = devm_clk_get_enabled(&pdev->dev, NULL);
if (IS_ERR(clk)) {
dev_err(&pdev->dev, "Failed to get clock\n");
return PTR_ERR(clk);
}
- ret = clk_prepare_enable(clk);
- if (ret)
- return ret;
-
xway_stp_hw_init(chip);
ret = devm_gpiochip_add_data(&pdev->dev, &chip->gc, chip);
- if (ret) {
- clk_disable_unprepare(clk);
+ if (ret)
return ret;
- }
dev_info(&pdev->dev, "Init done\n");