summaryrefslogtreecommitdiffstats
path: root/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c')
-rw-r--r--drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c8
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;