Allen-KH Cheng 3f7914dbea spi: spi-mtk-nor: initialize spi controller after resume
[ Upstream commit 317c204561 ]

After system resumes, the registers of nor controller are
initialized with default values. The nor controller will
not function properly.

To handle both issues above, we add mtk_nor_init() in
mtk_nor_resume after pm_runtime_force_resume().

Fixes: 3bfd9103c7 ("spi: spi-mtk-nor: Add power management support")

Signed-off-by: Allen-KH Cheng <allen-kh.cheng@mediatek.com>
Reviewed-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Link: https://lore.kernel.org/r/20220412115743.22641-1-allen-kh.cheng@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-04-27 13:53:48 +02:00
2022-04-20 09:23:32 +02:00

Linux kernel
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