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pinctrl: mediatek: common: Fix probe failure for devices without EINT

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[ Upstream commit 8f9f64c8f90dca07d3b9f1d7ce5d34ccd246c9dd ]

Some pinctrl devices like mt6397 or mt6392 don't support EINT at all, but
the mtk_eint_init function is always called and returns -ENODEV, which
then bubbles up and causes probe failure.

To address this only call mtk_eint_init if EINT pins are present.

Tested on Xiaomi Mi Smart Clock x04g (mt6392).

Fixes: e46df235b4 ("pinctrl: mediatek: refactor EINT related code for all MediaTek pinctrl can fit")
Signed-off-by: Luca Leonardo Scorcia <l.scorcia@gmail.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Linus Walleij <linusw@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Ulrich Hecht <uli@kernel.org>
This commit is contained in:
Luca Leonardo Scorcia
2026-03-17 11:02:06 +00:00
committed by Ulrich Hecht
parent c026fd39d3
commit 8e1ba1e046
1 changed files with 6 additions and 3 deletions
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9
drivers/pinctrl/mediatek/pinctrl-mtk-common.c
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@ -1118,9 +1118,12 @@ int mtk_pctrl_init(struct platform_device *pdev,
goto chip_error;
}
ret = mtk_eint_init(pctl, pdev);
if (ret)
goto chip_error;
/* Only initialize EINT if we have EINT pins */
if (data->eint_hw.ap_num > 0) {
ret = mtk_eint_init(pctl, pdev);
if (ret)
goto chip_error;
}
return 0;