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authorChaotian Jing <chaotian.jing@mediatek.com>2015-09-30 17:37:18 +0800
committerUlf Hansson <ulf.hansson@linaro.org>2015-09-30 14:54:22 +0200
commit031277d4d33d33f0174fbb569ca8f68238175617 (patch)
tree559f972f69ad5fe32eb1f92e6c52be1fff190138 /samples/hidraw
parentfd546ee6a7dc4b71ebc6d1205bf72ea3c1c7030a (diff)
downloadlinux-031277d4d33d33f0174fbb569ca8f68238175617.tar.gz
mmc: core: fix dead loop of mmc_retune
When get a CRC error, start the mmc_retune, it will issue CMD19/CMD21 to do tune, assume there were 10 clock phase need to try, phase 0 to phase 6 is ok, phase 7 to phase 9 is NG, we try it from 0 to 9, so the last CMD19/CMD21 will get CRC error, host->need_retune was set and cause mmc_retune was called, then dead loop of mmc_retune Signed-off-by: Chaotian Jing <chaotian.jing@mediatek.com> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Fixes: bd11e8bd03ca ("mmc: core: Flag re-tuning is needed on CRC errors") Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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