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mmc: block: Retry commands in CQE error recovery
commit8155d1fa3a
upstream. It is important that MMC_CMDQ_TASK_MGMT command to discard the queue is successful because otherwise a subsequent reset might fail to flush the cache first. Retry it and the previous STOP command. Fixes:72a5af554d
("mmc: core: Add support for handling CQE requests") Cc: stable@vger.kernel.org Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Reviewed-by: Avri Altman <avri.altman@wdc.com> Link: https://lore.kernel.org/r/20231103084720.6886-5-adrian.hunter@intel.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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parent
3a9a9c256f
commit
e121f6d73d
1 changed files with 5 additions and 2 deletions
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@ -552,7 +552,7 @@ int mmc_cqe_recovery(struct mmc_host *host)
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cmd.flags = MMC_RSP_R1B | MMC_CMD_AC;
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cmd.flags &= ~MMC_RSP_CRC; /* Ignore CRC */
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cmd.busy_timeout = MMC_CQE_RECOVERY_TIMEOUT;
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mmc_wait_for_cmd(host, &cmd, 0);
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mmc_wait_for_cmd(host, &cmd, MMC_CMD_RETRIES);
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memset(&cmd, 0, sizeof(cmd));
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cmd.opcode = MMC_CMDQ_TASK_MGMT;
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@ -560,10 +560,13 @@ int mmc_cqe_recovery(struct mmc_host *host)
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cmd.flags = MMC_RSP_R1B | MMC_CMD_AC;
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cmd.flags &= ~MMC_RSP_CRC; /* Ignore CRC */
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cmd.busy_timeout = MMC_CQE_RECOVERY_TIMEOUT;
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err = mmc_wait_for_cmd(host, &cmd, 0);
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err = mmc_wait_for_cmd(host, &cmd, MMC_CMD_RETRIES);
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host->cqe_ops->cqe_recovery_finish(host);
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if (err)
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err = mmc_wait_for_cmd(host, &cmd, MMC_CMD_RETRIES);
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mmc_retune_release(host);
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return err;
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