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Exynos 7870 compatible controllers, such as SDIO ones are not able to perform DMA transfers for small sizes of data (~16 to ~512 bytes), resulting in cache issues in subsequent transfers. Increase the DMA transfer threshold to 512 to allow the shorter transfers to take place, bypassing DMA. Signed-off-by: Kaustabh Chakraborty <kauschluss@disroot.org> Reviewed-by: Shawn Lin <shawn.lin@rock-chips.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> |
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