pinctrl: mediatek: fix the return value in driving configuration functions

The original mediatek pinctrl functions for driving configuration
'mtk_pinconf_drive_set_*' do not return -ENOSUPP even if input
parameters are not supported.
This patch fixes the return value in those functions.

Signed-off-by: Sam Shih <sam.shih@mediatek.com>
Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>

diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
index 1caca34..623a094 100644 (file)
--- a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
+++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
@@ -513,7 +513,7 @@ int mtk_pinconf_drive_set_v0(struct udevice *dev, u32 pin, u32 arg)
                        return err;
        }
 
-       return 0;
+       return err;
 }
 
 int mtk_pinconf_drive_set_v1(struct udevice *dev, u32 pin, u32 arg)
@@ -531,7 +531,7 @@ int mtk_pinconf_drive_set_v1(struct udevice *dev, u32 pin, u32 arg)
                        return err;
        }
 
-       return 0;
+       return err;
 }
 
 int mtk_pinconf_drive_set(struct udevice *dev, u32 pin, u32 arg)