linux-kernel - Re: [PATCH] scsi: ufs: Factor out ufshcd_read_desc

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Message-ID: <yq160k192i6.fsf@oracle.com>
Date:   Wed, 22 Feb 2017 19:25:53 -0500
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     "Potomski\, MichalX" <michalx.potomski@...el.com>
Cc:     "'vinholikatti\@gmail.com'" <vinholikatti@...il.com>,
        "'subhashj\@codeaurora.org'" <subhashj@...eaurora.org>,
        "jejb\@linux.vnet.ibm.com" <jejb@...ux.vnet.ibm.com>,
        "martin.petersen\@oracle.com" <martin.petersen@...cle.com>,
        "linux-scsi\@vger.kernel.org" <linux-scsi@...r.kernel.org>,
        "linux-kernel\@vger.kernel.org" <linux-kernel@...r.kernel.org>,
        "Janca\, Grzegorz" <grzegorz.janca@...el.com>,
        "Mielczarek\, SzymonX" <szymonx.mielczarek@...el.com>
Subject: Re: [PATCH] scsi: ufs: Factor out ufshcd_read_desc_param

>>>>> "Michal" == Potomski, MichalX <michalx.potomski@...el.com> writes:

Michal,

Michal> Since in UFS 2.1 specification some of the descriptor lengths
Michal> differs from 2.0 specification and some devices, which are
Michal> reporting spec version 2.0 have different descriptor lengths we
Michal> can not rely on hardcoded values taken from 2.0
Michal> specification. This patch introduces reading these lengths per
Michal> each device from descriptor headers at probe time to ensure
Michal> their correctness.

This doesn't apply to 4.11/scsi-fixes. Please rebase and resend.

Thanks!

-- 
Martin K. Petersen	Oracle Linux Engineering