Derong Liu 43e5fee317 mmc: mtk-sd: Add wait dma stop done flow ... We found this issue on a 5G platform, during CMDQ error handling, if DMA status is active when it call msdc_reset_hw(), it means mmc host hw reset and DMA transfer will be parallel, mmc host may access sram region unexpectedly. According to the programming guide of mtk-sd host, it needs to wait for dma stop done after set dma stop. This change should be applied to all SoCs. Signed-off-by: Derong Liu <derong.liu@mediatek.com> Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20210827071537.1034-1-derong.liu@mediatek.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>		2021-10-12 10:21:16 +02:00
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core	TTY / Serial patches for 5.15-rc1	2021-09-01 09:51:16 -07:00
host	mmc: mtk-sd: Add wait dma stop done flow	2021-10-12 10:21:16 +02:00
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