mmc: mediatek: fix CMD21/CMD19 timeout issue

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we did not deal with the read data of CMD21/CMD19 if there is
response CRC error of CMD21/CMD19, in this case, eMMC/SD may
still in send-data state. therefore, all of next commands cannot
get response as device is not in transfer state.

for resolving this issue, still need deal with the data receive
to make device back to transfer state.

Signed-off-by: Chaotian Jing <chaotian.jing@mediatek.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

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Chaotian Jing 2016-06-30 10:01:00 +08:00 • committed by Ulf Hansson

parent 86beac3704

commit ddc713878f

1 changed files with 12 additions and 2 deletions

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14

drivers/mmc/host/mtk-sd.c

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