The bit needs offset to be defined which happens some lines
below. Looks like a bug. The kernel test robot complains:

drivers/pinctrl/mediatek/pinctrl-mtk-common.c:137:12:
warning: variable 'offset' is uninitialized when used here [-Wuninitialized]
           bit = BIT(offset & pctl->devdata->mode_mask);
                     ^~~~~~

Fix it up by reverting to what was done before.

Cc: Fabien Parent <redacted>
Cc: Sean Wang <sean.wang@kernel.org>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: Mattijs Korpershoek <redacted>
Cc: linux-mediatek@lists.infradead.org
Fixes: 9f940d8ecf92 ("pinctrl: mediatek: don't hardcode mode encoding in common code")
Reported-by: kernel test robot <redacted>
Signed-off-by: Linus Walleij <redacted>
---
 drivers/pinctrl/mediatek/pinctrl-mtk-common.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
index 9fe91e11a877..525b1aa7f7a6 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
+++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c

@@ -134,7 +134,7 @@ static int mtk_pconf_set_ies_smt(struct mtk_pinctrl *pctl, unsigned pin,
 			pin, pctl->devdata->port_align, value, arg);
 	}
 
-	bit = BIT(offset & pctl->devdata->mode_mask);
+	bit = BIT(pin & 0xf);
 
 	if (arg == PIN_CONFIG_INPUT_ENABLE)
 		offset = pctl->devdata->ies_offset;

-- 
2.31.1


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