diff options
Diffstat (limited to 'drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c')
| -rw-r--r-- | drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c index 4a9e0d4c2bbc..b1c368455d30 100644 --- a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c +++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c @@ -290,7 +290,13 @@ static int mtk_xt_set_gpio_as_eint(void *data, unsigned long eint_n) return err; err = mtk_hw_set_value(hw, desc, PINCTRL_PIN_REG_SMT, MTK_ENABLE); - if (err) + /* SMT is supposed to be supported by every real GPIO and doesn't + * support virtual GPIOs, so the extra condition err != -ENOTSUPP + * is just for adding EINT support to these virtual GPIOs. It should + * add an extra flag in the pin descriptor when more pins with + * distinctive characteristic come out. + */ + if (err && err != -ENOTSUPP) return err; return 0; |