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@xxxxxxxxxxxxxxx>. 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 b578d5d18e929aa7c007a98cce32657145dde219 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable@xxxxxxxxxxxxxxx>' --in-reply-to '2023120335-anger-courier-251d@gregkh' --subject-prefix 'PATCH 5.4.y' HEAD^.. Possible dependencies: b578d5d18e92 ("mmc: cqhci: Increase recovery halt timeout") thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From b578d5d18e929aa7c007a98cce32657145dde219 Mon Sep 17 00:00:00 2001 From: Adrian Hunter <adrian.hunter@xxxxxxxxx> Date: Fri, 3 Nov 2023 10:47:16 +0200 Subject: [PATCH] mmc: cqhci: Increase recovery halt timeout Failing to halt complicates the recovery. Additionally, unless the card or controller are stuck, which is expected to be very rare, then the halt should succeed, so it is better to wait. Set a large timeout. Fixes: a4080225f51d ("mmc: cqhci: support for command queue enabled host") Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx> Reviewed-by: Avri Altman <avri.altman@xxxxxxx> Link: https://lore.kernel.org/r/20231103084720.6886-3-adrian.hunter@xxxxxxxxx Signed-off-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx> diff --git a/drivers/mmc/host/cqhci-core.c b/drivers/mmc/host/cqhci-core.c index b3d7d6d8d654..15f5a069af1f 100644 --- a/drivers/mmc/host/cqhci-core.c +++ b/drivers/mmc/host/cqhci-core.c @@ -984,10 +984,10 @@ static bool cqhci_halt(struct mmc_host *mmc, unsigned int timeout) /* * After halting we expect to be able to use the command line. We interpret the * failure to halt to mean the data lines might still be in use (and the upper - * layers will need to send a STOP command), so we set the timeout based on a - * generous command timeout. + * layers will need to send a STOP command), however failing to halt complicates + * the recovery, so set a timeout that would reasonably allow I/O to complete. */ -#define CQHCI_START_HALT_TIMEOUT 5 +#define CQHCI_START_HALT_TIMEOUT 500 static void cqhci_recovery_start(struct mmc_host *mmc) {
