From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.5 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 22A22C433DF for ; Mon, 24 Aug 2020 12:07:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E7E4B2078D for ; Mon, 24 Aug 2020 12:07:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726239AbgHXMHN (ORCPT ); Mon, 24 Aug 2020 08:07:13 -0400 Received: from gecko.sbs.de ([194.138.37.40]:57393 "EHLO gecko.sbs.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725926AbgHXMHM (ORCPT ); Mon, 24 Aug 2020 08:07:12 -0400 Received: from mail2.sbs.de (mail2.sbs.de [192.129.41.66]) by gecko.sbs.de (8.15.2/8.15.2) with ESMTPS id 07OC6lco007007 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 24 Aug 2020 14:06:47 +0200 Received: from [167.87.131.75] ([167.87.131.75]) by mail2.sbs.de (8.15.2/8.15.2) with ESMTP id 07OC6g9s024384; Mon, 24 Aug 2020 14:06:43 +0200 Subject: Re: [RESEND PATCH v3 7/8] mtd: spi-nor: Convert cadence-quadspi to use spi-mem framework To: Vignesh Raghavendra , Tudor Ambarus , Mark Brown Cc: Boris Brezillon , Ramuthevar Vadivel Murugan , linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org, simon.k.r.goldschmidt@gmail.com, dinguyen@kernel.org, marex@denx.de References: <20200601070444.16923-1-vigneshr@ti.com> <20200601070444.16923-8-vigneshr@ti.com> <00394d38-20d9-60a5-0068-5f9f023520c2@ti.com> From: Jan Kiszka Message-ID: <26caa2e5-6c6e-09a3-902e-843cfee40158@siemens.com> Date: Mon, 24 Aug 2020 14:06:41 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.11.0 MIME-Version: 1.0 In-Reply-To: <00394d38-20d9-60a5-0068-5f9f023520c2@ti.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 24.08.20 13:44, Vignesh Raghavendra wrote: > Hi Jan, > > On 8/24/20 11:25 AM, Jan Kiszka wrote: > [...] > >>> +MODULE_AUTHOR("Vignesh Raghavendra "); >>> >> On the AM65x, this changes mtd->name (thus mtd-id for >> parser/cmdlinepart) from 47040000.spi.0 to spi7.0. The besides having to >> deal with both names now, "spi7" sounds like it could easily change >> again if someone plugs or unplugs some other SPI device. Is this intended? >> > > You could use DT aliases to make sure OSPI0 is always at given bus num > (say spi7): > > aliases { > spi7 = &ospi0; > }; Ah, looks like this is a common pattern... Thanks, will try that. Jan -- Siemens AG, Corporate Technology, CT RDA IOT SES-DE Corporate Competence Center Embedded Linux