[PATCH v2 5/7] pinctrl: armada-37xx: propagate error from armada_37xx_pmx_gpio_set_direction()

[Gabor Juhos <j4g8y7@gmail.com>]

The armada_37xx_gpio_direction_{in,out}put() functions can fail, so
propagate their error values back to the stack instead of silently
ignoring those.

Signed-off-by: Imre Kaloz <kaloz@openwrt.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Gabor Juhos <j4g8y7@gmail.com>
---
Changes in v2:
  - remove 'stable' and 'Fixes' tags
  - add 'Reviewed-by' tag from Andrew
  - reorder 'Signed-off-by' tags (result of 'b4 trailers -u')
---
 drivers/pinctrl/mvebu/pinctrl-armada-37xx.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
index 2e88a0399d1a205064b58890db6477e2202bf311..aed0069b085ced5867993e95e0244df7ccda556d 100644
--- a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
+++ b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
@@ -472,16 +472,17 @@ static int armada_37xx_pmx_gpio_set_direction(struct pinctrl_dev *pctldev,
 {
 	struct armada_37xx_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
 	struct gpio_chip *chip = range->gc;
+	int ret;
 
 	dev_dbg(info->dev, "gpio_direction for pin %u as %s-%d to %s\n",
 		offset, range->name, offset, input ? "input" : "output");
 
 	if (input)
-		armada_37xx_gpio_direction_input(chip, offset);
+		ret = armada_37xx_gpio_direction_input(chip, offset);
 	else
-		armada_37xx_gpio_direction_output(chip, offset, 0);
+		ret = armada_37xx_gpio_direction_output(chip, offset, 0);
 
-	return 0;
+	return ret;
 }
 
 static int armada_37xx_gpio_request_enable(struct pinctrl_dev *pctldev,

-- 
2.49.0