soc: mediatek: pm-domains: Fix the power glitch issue

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[ Upstream commit dba8eb83af ]

Power reset maybe generate unexpected signal. In order to avoid
the glitch issue, we need to enable isolation first to guarantee the
stable signal when power reset is triggered.

Fixes: 59b644b01c ("soc: mediatek: Add MediaTek SCPSYS power domains")
Signed-off-by: Chun-Jie Chen <chun-jie.chen@mediatek.com>
Signed-off-by: Allen-KH Cheng <allen-kh.cheng@mediatek.com>
Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: Miles Chen <miles.chen@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20221014102029.1162-1-allen-kh.cheng@mediatek.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Chun-Jie Chen 2022-10-14 18:20:29 +08:00 • committed by Greg Kroah-Hartman

parent 32d5fa5bdc

commit 6207862836

1 changed files with 1 additions and 1 deletions

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drivers/soc/mediatek/mtk-pm-domains.c

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