From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161823AbcBQQUP (ORCPT ); Wed, 17 Feb 2016 11:20:15 -0500 Received: from bear.ext.ti.com ([192.94.94.41]:57611 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965188AbcBQQUL (ORCPT ); Wed, 17 Feb 2016 11:20:11 -0500 Subject: Re: [PATCH] net: ti: netcp: restore get/set_pad_info() functionality To: Arnd Bergmann References: <1455026303-17014-1-git-send-email-grygorii.strashko@ti.com> <063D6719AE5E284EB5DD2968C1650D6D1CCDC216@AcuExch.aculab.com> <3E54258959B69E4282D79E01AB1F32B704D12E49@DFLE11.ent.ti.com> <4072312.pCFuaqSbhC@wuerfel> CC: David Laight , "Strashko, Grygorii" , "netdev@vger.kernel.org" , "David S . Miller" , "Cooper Jr., Franklin" , "Nori, Sekhar" , "linux-kernel@vger.kernel.org" , "Kwok, WingMan" , "N, Mugunthan V" From: Murali Karicheri Organization: Texas Instruments Message-ID: <56C49DAD.8050901@ti.com> Date: Wed, 17 Feb 2016 11:19:57 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.5.1 MIME-Version: 1.0 In-Reply-To: <4072312.pCFuaqSbhC@wuerfel> Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 02/09/2016 02:38 PM, Arnd Bergmann wrote: > On Tuesday 09 February 2016 16:55:42 Karicheri, Muralidharan wrote: >> The descriptors are usable by different drivers, one driver may use it as >> buf ptr/ len, other for something else. So they should remain as generic >> and it is up to individual drivers to use it in whatever way it requires. >> My suggestion is to rename pad field in struct knav_dma_desc to sw_data >> to avoid confusion. i.e >> >> + __le32 pad[4]; >> >> to >> >> + __le32 sw_data[4]; >> > If the hardware doesn't access them, they can probably just be u32 > and not do any byte swapping. Agree. > > Arnd > -- Murali Karicheri Linux Kernel, Keystone