linux-kernel - Re: [PATCH v2 0/3] scsi: ufs: introduce vendor isr

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Message-ID: <fbdd02bc-01ab-c5b3-9355-3ebe04601b04@acm.org>
Date:   Mon, 13 Sep 2021 09:09:24 -0700
From:   Bart Van Assche <bvanassche@....org>
To:     Kiwoong Kim <kwmad.kim@...sung.com>, linux-scsi@...r.kernel.org,
        linux-kernel@...r.kernel.org, alim.akhtar@...sung.com,
        avri.altman@....com, jejb@...ux.ibm.com,
        martin.petersen@...cle.com, beanhuo@...ron.com,
        cang@...eaurora.org, adrian.hunter@...el.com, sc.suh@...sung.com,
        hy50.seo@...sung.com, sh425.lee@...sung.com,
        bhoon95.kim@...sung.com
Subject: Re: [PATCH v2 0/3] scsi: ufs: introduce vendor isr

On 9/13/21 12:55 AM, Kiwoong Kim wrote:
> This patch is to activate some interrupt sources
> that aren't defined in UFSHCI specifications. Those
> purpose could be error handling, workaround or whatever.
> 
> Kiwoong Kim (3):
>    scsi: ufs: introduce vendor isr
>    scsi: ufs: introduce force requeue
>    scsi: ufs: ufs-exynos: implement exynos isr
> 
>   drivers/scsi/ufs/ufs-exynos.c | 84 ++++++++++++++++++++++++++++++++++++-------
>   drivers/scsi/ufs/ufshcd.c     | 22 ++++++++++--
>   drivers/scsi/ufs/ufshcd.h     |  2 ++
>   3 files changed, 93 insertions(+), 15 deletions(-)

The UFS protocol is standardized. Your employer has a representative in the
UFS standardization committee. Please work with that representative to
standardize this feature instead of adding non-standard extensions to the UFS
driver.

Thanks,

Bart.