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authorAdrian Hunter2023-11-03 10:47:18 +0200
committerGreg Kroah-Hartman2023-12-08 08:51:13 +0100
commite121f6d73d2ef9e1caeb7b946ffc6389c9f6e631 (patch)
tree0b94f6847e1adbe7cef3413ca62deeac73866e13
parent3a9a9c256f0245775533ebc07a8613eaa7ce28fe (diff)
mmc: block: Retry commands in CQE error recovery
commit 8155d1fa3a747baad5caff5f8303321d68ddd48c 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: 72a5af554df8 ("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>
-rw-r--r--drivers/mmc/core/core.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index de1cc9e1ae57..f622e1bc1bd6 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -552,7 +552,7 @@ int mmc_cqe_recovery(struct mmc_host *host)
cmd.flags = MMC_RSP_R1B | MMC_CMD_AC;
cmd.flags &= ~MMC_RSP_CRC; /* Ignore CRC */
cmd.busy_timeout = MMC_CQE_RECOVERY_TIMEOUT;
- mmc_wait_for_cmd(host, &cmd, 0);
+ mmc_wait_for_cmd(host, &cmd, MMC_CMD_RETRIES);
memset(&cmd, 0, sizeof(cmd));
cmd.opcode = MMC_CMDQ_TASK_MGMT;
@@ -560,10 +560,13 @@ int mmc_cqe_recovery(struct mmc_host *host)
cmd.flags = MMC_RSP_R1B | MMC_CMD_AC;
cmd.flags &= ~MMC_RSP_CRC; /* Ignore CRC */
cmd.busy_timeout = MMC_CQE_RECOVERY_TIMEOUT;
- err = mmc_wait_for_cmd(host, &cmd, 0);
+ err = mmc_wait_for_cmd(host, &cmd, MMC_CMD_RETRIES);
host->cqe_ops->cqe_recovery_finish(host);
+ if (err)
+ err = mmc_wait_for_cmd(host, &cmd, MMC_CMD_RETRIES);
+
mmc_retune_release(host);
return err;