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mmc: core: for data errors, take response of stop cmd into account
Some errors are flagged only with the next command after a multiblock transfer, e.g. ECC error. So, when checking for data transfer errors, we check the result from the stop command as well. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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@ -1446,7 +1446,8 @@ static enum mmc_blk_status mmc_blk_err_check(struct mmc_card *card,
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return MMC_BLK_RETRY;
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}
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if (brq->data.error) {
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/* Some errors (ECC) are flagged on the next commmand, so check stop, too */
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if (brq->data.error || brq->stop.error) {
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if (need_retune && !brq->retune_retry_done) {
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pr_debug("%s: retrying because a re-tune was needed\n",
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req->rq_disk->disk_name);
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@ -1454,7 +1455,7 @@ static enum mmc_blk_status mmc_blk_err_check(struct mmc_card *card,
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return MMC_BLK_RETRY;
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}
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pr_err("%s: error %d transferring data, sector %u, nr %u, cmd response %#x, card status %#x\n",
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req->rq_disk->disk_name, brq->data.error,
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req->rq_disk->disk_name, brq->data.error ?: brq->stop.error,
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(unsigned)blk_rq_pos(req),
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(unsigned)blk_rq_sectors(req),
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brq->cmd.resp[0], brq->stop.resp[0]);
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