evie/android_kernel_oneplus_msm8998
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mmc: core: Fix error handling of MMC_BLK_DATA_ERR

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Avoid retrying using single block for read commands that
fail with MMC_BLK_DATA_ERR. The single block read retry
is needed only in case of a CRC error for which
MMC_BLK_ECC_ERR will be set anyway by mmc_blk_err_check().

Change-Id: Iec9487fd73ecf2bdd5e62732cd42cdb3a639d0dc
Signed-off-by: Sahitya Tummala <stummala@codeaurora.org>
This commit is contained in:
Sahitya Tummala 2014-10-31 09:46:20 +05:30 • committed by Subhash Jadavani
parent 6be2ee021d
commit 97b7bbc9ea
1 changed files with 1 additions and 4 deletions
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3
drivers/mmc/card/block.c
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@ -2029,10 +2029,7 @@ static int mmc_blk_issue_rw_rq(struct mmc_queue *mq, struct request *rqc)
err = mmc_blk_reset(md, card->host, type); err = mmc_blk_reset(md, card->host, type);
if (!err) if (!err)
break; break;
if (err == -ENODEV ||
mmc_packed_cmd(mq_rq->cmd_type))
goto cmd_abort; goto cmd_abort;
/* Fall through */
} }
case MMC_BLK_ECC_ERR: case MMC_BLK_ECC_ERR:
if (brq->data.blocks > 1) { if (brq->data.blocks > 1) {