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| author | Joey Gouly <joey.gouly@arm.com> | 2021-11-21 16:56:42 +0000 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2021-11-27 00:55:14 +0100 |
| commit | 839930ca1bd0c79cdf370d11462ef4a81b664e44 (patch) | |
| tree | 4c48bffc281d2c974a8693dd8d39dae9dc7b7f50 /drivers/pinctrl | |
| parent | 077db34c2b007a086baa3ee87bc72794a25d0329 (diff) | |
| download | linux-839930ca1bd0c79cdf370d11462ef4a81b664e44.tar.gz linux-839930ca1bd0c79cdf370d11462ef4a81b664e44.tar.xz | |
pinctrl: apple: return an error if pinmux is missing in the DT
If of_property_count_u32_elems returned 0, return -EINVAL to indicate
a failure. Previously this would return 0.
Fixes: a0f160ffcb83 ("pinctrl: add pinctrl/GPIO driver for Apple SoCs")
Signed-off-by: Joey Gouly <joey.gouly@arm.com>
Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20211121165642.27883-12-joey.gouly@arm.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl')
| -rw-r--r-- | drivers/pinctrl/pinctrl-apple-gpio.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pinctrl/pinctrl-apple-gpio.c b/drivers/pinctrl/pinctrl-apple-gpio.c index 8a58c862c33a..89602aa14c6a 100644 --- a/drivers/pinctrl/pinctrl-apple-gpio.c +++ b/drivers/pinctrl/pinctrl-apple-gpio.c @@ -119,7 +119,7 @@ static int apple_gpio_dt_node_to_map(struct pinctrl_dev *pctldev, dev_err(pctl->dev, "missing or empty pinmux property in node %pOFn.\n", node); - return ret; + return ret ? ret : -EINVAL; } num_pins = ret; |