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Date: Mon, 18 Dec 2023 11:59:27 +0100
From: Greg KH <gregkh@linuxfoundation.org>
To: Adrian Hunter <adrian.hunter@intel.com>
Cc: stable@vger.kernel.org
Subject: Re: [PATCH 5.4] mmc: block: Be sure to wait while busy in CQE error
 recovery
Message-ID: <2023121819-humming-emphasis-62cd@gregkh>
References: <2023120314-freeware-thesis-5dd5@gregkh>
 <20231211183345.275334-1-adrian.hunter@intel.com>
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In-Reply-To: <20231211183345.275334-1-adrian.hunter@intel.com>

On Mon, Dec 11, 2023 at 08:33:45PM +0200, Adrian Hunter wrote:
> 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@vger.kernel.org
> Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
> Reviewed-by: Avri Altman <avri.altman@wdc.com>
> Reviewed-by: Christian Loehle <christian.loehle@arm.com>
> Link: https://lore.kernel.org/r/20231103084720.6886-4-adrian.hunter@intel.com
> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
> Tested-by: Adrian Hunter <adrian.hunter@intel.com>
> Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
> ---
>  drivers/mmc/core/core.c    | 2 ++
>  drivers/mmc/core/mmc_ops.c | 5 +++--
>  drivers/mmc/core/mmc_ops.h | 2 ++
>  3 files changed, 7 insertions(+), 2 deletions(-)

Both now queued up, thanks.

greg k-h