From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934577AbdBWA0m (ORCPT ); Wed, 22 Feb 2017 19:26:42 -0500 Received: from aserp1040.oracle.com ([141.146.126.69]:39483 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934038AbdBWA0R (ORCPT ); Wed, 22 Feb 2017 19:26:17 -0500 To: "Potomski\, MichalX" Cc: "'vinholikatti\@gmail.com'" , "'subhashj\@codeaurora.org'" , "jejb\@linux.vnet.ibm.com" , "martin.petersen\@oracle.com" , "linux-scsi\@vger.kernel.org" , "linux-kernel\@vger.kernel.org" , "Janca\, Grzegorz" , "Mielczarek\, SzymonX" Subject: Re: [PATCH] scsi: ufs: Factor out ufshcd_read_desc_param From: "Martin K. Petersen" Organization: Oracle Corporation References: Date: Wed, 22 Feb 2017 19:25:53 -0500 In-Reply-To: (MichalX Potomski's message of "Tue, 21 Feb 2017 07:36:16 +0000") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Source-IP: userv0022.oracle.com [156.151.31.74] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >>>>> "Michal" == Potomski, MichalX 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