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8f9f64c8f9
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>