pinctrl: stm32: return proper error code in pin_config_set

".pin_config_set" or ".pin_config_group_set" can be called with a
configuration not supported (i.e. PIN_CONFIG_PERSIST_STATE). In this case,
it is more suitable to return -ENOTSUPP instead of -EINVAL.

Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
Link: https://lore.kernel.org/r/20200615125951.28008-2-alexandre.torgue@st.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Alexandre Torgue 2020-06-15 14:59:50 +02:00 committed by Linus Walleij
parent 2254e77665
commit d9665bb822

View file

@ -1085,7 +1085,7 @@ static int stm32_pconf_parse_conf(struct pinctrl_dev *pctldev,
ret = stm32_pmx_gpio_set_direction(pctldev, range, pin, false);
break;
default:
ret = -EINVAL;
ret = -ENOTSUPP;
}
return ret;