mmc: sdhci: add quirks for be to le byte swapping

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Some controller as the ColdFire eshdc may require an endianness
byte swap, because DMA read endianness is not configurable.

Facilitate using the bounce buffer for this by adding
->copy_to_bounce_buffer().

Signed-off-by: Angelo Dureghello <angelo.dureghello@timesys.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20200518191742.1251440-2-angelo.dureghello@timesys.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

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Angelo Dureghello 2020-05-18 21:17:40 +02:00 • committed by Ulf Hansson

parent 991f5c4dd2

commit e93577ecde

2 changed files with 10 additions and 3 deletions

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10

drivers/mmc/host/sdhci.c

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3

drivers/mmc/host/sdhci.h

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