5.15-stable review patch. If anyone has any objections, please let me know.
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From: Adrian Hunter adrian.hunter@intel.com
commit b578d5d18e929aa7c007a98cce32657145dde219 upstream.
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@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/20231103084720.6886-3-adrian.hunter@intel.com Signed-off-by: Ulf Hansson ulf.hansson@linaro.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/mmc/host/cqhci-core.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
--- a/drivers/mmc/host/cqhci-core.c +++ b/drivers/mmc/host/cqhci-core.c @@ -977,10 +977,10 @@ static bool cqhci_halt(struct mmc_host * /* * 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) {