mmc: add ignorance case for CMD13 CRC error

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While speed mode is changed, CMD13 cannot be guaranteed.
According to the spec., it is not recommended to use CMD13
to check the busy completion of the timing change.
If CMD13 is used in this case, CRC error must be ignored.

Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>

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Seungwon Jeon 2013-09-04 21:21:05 +09:00 • committed by Chris Ball

parent aa50f259d6

commit a27fbf2f06

1 changed files with 45 additions and 28 deletions

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73

drivers/mmc/core/mmc_ops.c

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