spi: spi-mtk-nor: initialize spi controller after resume
stable inclusion from stable-v5.10.113 commit 3f7914dbeacdffe4fa198dee7afefa74998b5d8d category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I5ISAH Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=3f7914dbeacdffe4fa198dee7afefa74998b5d8d -------------------------------- [ Upstream commit 317c2045 ] 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: 3bfd9103 ("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> Signed-off-by:
Zheng Zengkai <zhengzengkai@huawei.com> Acked-by:
Xie XiuQi <xiexiuqi@huawei.com>
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