The patch below does not apply to the 5.4-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to stable@vger.kernel.org.

To reproduce the conflict and resubmit, you may use the following commands:

git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.4.y git checkout FETCH_HEAD git cherry-pick -x 8155d1fa3a747baad5caff5f8303321d68ddd48c # <resolve conflicts, build, test, etc.> git commit -s git send-email --to 'stable@vger.kernel.org' --in-reply-to '2023120342-reason-dastardly-d7bf@gregkh' --subject-prefix 'PATCH 5.4.y' HEAD^..

Possible dependencies:

8155d1fa3a74 ("mmc: block: Retry commands in CQE error recovery") 6b1dc6229aec ("mmc: core: convert comma to semicolon")

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From 8155d1fa3a747baad5caff5f8303321d68ddd48c Mon Sep 17 00:00:00 2001 From: Adrian Hunter adrian.hunter@intel.com Date: Fri, 3 Nov 2023 10:47:18 +0200 Subject: [PATCH] mmc: block: Retry commands in CQE error recovery

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

diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index befde2bd26d3..a8c17b4cd737 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -551,7 +551,7 @@ 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);

mmc_poll_for_busy(host->card, MMC_CQE_RECOVERY_TIMEOUT, true, MMC_BUSY_IO);

@@ -561,10 +561,13 @@ 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;