Patch "mmc: block: Be sure to wait while busy in CQE error recovery" has been added to the 5.10-stable tree

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This is a note to let you know that I've just added the patch titled

    mmc: block: Be sure to wait while busy in CQE error recovery

to the 5.10-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     mmc-block-be-sure-to-wait-while-busy-in-cqe-error-recovery.patch
and it can be found in the queue-5.10 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.


>From c616696a902987352426fdaeec1b0b3240949e6b Mon Sep 17 00:00:00 2001
From: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Date: Fri, 3 Nov 2023 10:47:17 +0200
Subject: mmc: block: Be sure to wait while busy in CQE error recovery

From: Adrian Hunter <adrian.hunter@xxxxxxxxx>

commit c616696a902987352426fdaeec1b0b3240949e6b upstream.

STOP command does not guarantee to wait while busy, but subsequent command
MMC_CMDQ_TASK_MGMT to discard the queue will fail if the card is busy, so
be sure to wait by employing mmc_poll_for_busy().

Fixes: 72a5af554df8 ("mmc: core: Add support for handling CQE requests")
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Reviewed-by: Avri Altman <avri.altman@xxxxxxx>
Reviewed-by: Christian Loehle <christian.loehle@xxxxxxx>
Link: https://lore.kernel.org/r/20231103084720.6886-4-adrian.hunter@xxxxxxxxx
Signed-off-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/mmc/core/core.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -553,6 +553,8 @@ int mmc_cqe_recovery(struct mmc_host *ho
 	cmd.busy_timeout = MMC_CQE_RECOVERY_TIMEOUT,
 	mmc_wait_for_cmd(host, &cmd, 0);
 
+	mmc_poll_for_busy(host->card, MMC_CQE_RECOVERY_TIMEOUT, true, MMC_BUSY_IO);
+
 	memset(&cmd, 0, sizeof(cmd));
 	cmd.opcode       = MMC_CMDQ_TASK_MGMT;
 	cmd.arg          = 1; /* Discard entire queue */


Patches currently in stable-queue which might be from adrian.hunter@xxxxxxxxx are

queue-5.10/perf-inject-fix-gen_elf_text_offset-for-jit.patch
queue-5.10/mmc-block-be-sure-to-wait-while-busy-in-cqe-error-recovery.patch
queue-5.10/mmc-block-do-not-lose-cache-flush-during-cqe-error-recovery.patch



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