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| author | Gabor Juhos <j4g8y7@gmail.com> | 2025-05-14 22:18:37 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-06-27 13:11:31 +0300 |
| commit | aefe45843ea667366e35df4fcfef5ff9051a86c9 (patch) | |
| tree | 1d54a40ef8e3acaf1b603243ccfa9304d5c5ab1d /drivers/pinctrl | |
| parent | 461d5a73ae45fbe6c300a6e64600f9792684eb52 (diff) | |
| download | linux-aefe45843ea667366e35df4fcfef5ff9051a86c9.tar.xz | |
pinctrl: armada-37xx: propagate error from armada_37xx_gpio_get_direction()
[ Upstream commit 6481c0a83367b0672951ccc876fbae7ee37b594b ]
The regmap_read() function can fail, so propagate its error up to
the stack instead of silently ignoring that.
Signed-off-by: Imre Kaloz <kaloz@openwrt.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Gabor Juhos <j4g8y7@gmail.com>
Link: https://lore.kernel.org/20250514-pinctrl-a37xx-fixes-v2-6-07e9ac1ab737@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/pinctrl')
| -rw-r--r-- | drivers/pinctrl/mvebu/pinctrl-armada-37xx.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c index aa6bb1c0d9fa..c8437d45a313 100644 --- a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c +++ b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c @@ -400,10 +400,13 @@ static int armada_37xx_gpio_get_direction(struct gpio_chip *chip, struct armada_37xx_pinctrl *info = gpiochip_get_data(chip); unsigned int reg = OUTPUT_EN; unsigned int val, mask; + int ret; armada_37xx_update_reg(®, &offset); mask = BIT(offset); - regmap_read(info->regmap, reg, &val); + ret = regmap_read(info->regmap, reg, &val); + if (ret) + return ret; if (val & mask) return GPIO_LINE_DIRECTION_OUT; |