linux-kernel - Re: [PATCH] scsi: ufs: add a quirk to disable FUA support

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Message-ID: <20220607164555.GA30890@asutoshd-linux1.qualcomm.com>
Date:   Tue, 7 Jun 2022 09:45:55 -0700
From:   Asutosh Das <quic_asutoshd@...cinc.com>
To:     Eric Biggers <ebiggers@...nel.org>
CC:     Jaegeuk Kim <jaegeuk@...nel.org>, <linux-kernel@...r.kernel.org>,
        <linux-scsi@...r.kernel.org>,
        "Martin K . Petersen" <martin.petersen@...cle.com>,
        Bart Van Assche <bvanassche@....org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Asutosh Das <asutoshd@...eaurora.org>,
        Avri Altman <avri.altman@....com>,
        Bean Huo <beanhuo@...ron.com>,
        Stanley Chu <stanley.chu@...iatek.com>,
        Can Guo <cang@...eaurora.org>
Subject: Re: [PATCH] scsi: ufs: add a quirk to disable FUA support

On Tue, May 31 2022 at 14:25 -0700, Eric Biggers wrote:
>On Tue, May 31, 2022 at 01:53:33PM -0700, Jaegeuk Kim wrote:
>> > Also, this patch does nothing by itself.  Which UFS host driver(s) need this
>> > quirk bit?  Can you update them to use it?  Or do they all need this, in which
>> > case a quirk bit would be unnecessary?
>>
>> Likewise other quick bits, using this is up to SoC or UFS vendors. I
>> think that combination is up to OEMs who is building the product.
>
>Of the UFS host drivers in the upstream kernel, which ones actually need this?
>

Qualcomm UFSHC would need this.
>- Eric