linux-kernel - Re: [RFC][PATCH v2] scsi: ufs: Fix hynix ufs bug with quirk on hi36xx SoC

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Date:   Tue, 23 Oct 2018 22:47:21 -0400
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     John Stultz <john.stultz@...aro.org>
Cc:     lkml <linux-kernel@...r.kernel.org>, Wei Li <liwei213@...wei.com>,
        Vinayak Holikatti <vinholikatti@...il.com>,
        "James E.J. Bottomley" <jejb@...ux.vnet.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        linux-scsi@...r.kernel.org, Dmitry Shmidt <dimitrysh@...gle.com>
Subject: Re: [RFC][PATCH v2] scsi: ufs: Fix hynix ufs bug with quirk on hi36xx SoC


John,

Thanks for tweaking this.

> Not sure if this is the preferred way of scoping the quirk to
> the controller or not. Feedback would be greatly appreciated!

I think my preference would be to add:

       UFS_FIX(UFS_VENDOR_SKHYNIX, "hB8aL1",
                UFS_DEVICE_QUIRK_HOST_VS_DEBUG),

to ufs_fixups[] and then key off of that in the driver. That's how we do
it in SCSI but the UFS folks may have a different opinion.

-- 
Martin K. Petersen	Oracle Linux Engineering