Re: [PATCH V1 1/2] mmc: core: Introduce new flag to force hardware reset

From: Adrian Hunter
Date: Fri Jun 03 2022 - 01:34:07 EST


On 3/06/22 08:15, Sarthak Garg wrote:
> Introduce new flag cqe_recovery_reset_always to allow vendors to force
> hardware reset during cqe recovery.
>
> Signed-off-by: Sarthak Garg <quic_sartgarg@xxxxxxxxxxx>

You should re-base on top of "mmc: block: Fix CQE recovery reset success"

Also you may want to consider fixes / stable tags.

Otherwise, for both patches:

Acked-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>

> ---
> drivers/mmc/core/block.c | 2 +-
> include/linux/mmc/host.h | 1 +
> 2 files changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
> index 1259ca22d625..496cdd8a2999 100644
> --- a/drivers/mmc/core/block.c
> +++ b/drivers/mmc/core/block.c
> @@ -1497,7 +1497,7 @@ void mmc_blk_cqe_recovery(struct mmc_queue *mq)
> pr_debug("%s: CQE recovery start\n", mmc_hostname(host));
>
> err = mmc_cqe_recovery(host);
> - if (err)
> + if (err || host->cqe_recovery_reset_always)
> mmc_blk_reset(mq->blkdata, host, MMC_BLK_CQE_RECOVERY);
> else
> mmc_blk_reset_success(mq->blkdata, MMC_BLK_CQE_RECOVERY);
> diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
> index c193c50ccd78..3e2fe950b4ec 100644
> --- a/include/linux/mmc/host.h
> +++ b/include/linux/mmc/host.h
> @@ -492,6 +492,7 @@ struct mmc_host {
> int cqe_qdepth;
> bool cqe_enabled;
> bool cqe_on;
> + bool cqe_recovery_reset_always;
>
> /* Inline encryption support */
> #ifdef CONFIG_MMC_CRYPTO