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.
Cc: stable@vger.kernel.org Fixes: 5715092a458c ("pinctrl: armada-37xx: Add gpio support") Signed-off-by: Gabor Juhos j4g8y7@gmail.com Signed-off-by: Imre Kaloz kaloz@openwrt.org --- 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,