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mmc: core: Flag re-tuning is needed on CRC errors
CRC errors could possibly be alleviated by re-tuning so flag re-tuning needed in those cases. Note this has no effect if re-tuning has not been enabled. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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@ -133,6 +133,12 @@ void mmc_request_done(struct mmc_host *host, struct mmc_request *mrq)
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struct mmc_command *cmd = mrq->cmd;
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int err = cmd->error;
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/* Flag re-tuning needed on CRC errors */
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if (err == -EILSEQ || (mrq->sbc && mrq->sbc->error == -EILSEQ) ||
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(mrq->data && mrq->data->error == -EILSEQ) ||
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(mrq->stop && mrq->stop->error == -EILSEQ))
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mmc_retune_needed(host);
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if (err && cmd->retries && mmc_host_is_spi(host)) {
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if (cmd->resp[0] & R1_SPI_ILLEGAL_COMMAND)
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cmd->retries = 0;
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