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=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,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 A3DBDC4CEC4 for ; Thu, 19 Sep 2019 16:03:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 716F621928 for ; Thu, 19 Sep 2019 16:03:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1568909005; bh=7eBsu75hT5u93cfWoc74rVSLAhHN0VCyBJejf45QBFQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=Vl1BRIjh24D5fyFnSnpjw/ZHo9/RC7amqwkAh85Zm+Rm/mB00qX3v8nhWqyst4nKL 55RmfzRPTq8YN25VHQMzBzt8nx27nVNI0cL2Cl75DMEtIXC3BpbYs7dgiS/+L2Yn78 Mq+oKBIAqckmVsLSGtKncwOfJfXZxFCHmf/EJRR4= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404059AbfISQDZ (ORCPT ); Thu, 19 Sep 2019 12:03:25 -0400 Received: from heliosphere.sirena.org.uk ([172.104.155.198]:36700 "EHLO heliosphere.sirena.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389371AbfISQDY (ORCPT ); Thu, 19 Sep 2019 12:03:24 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sirena.org.uk; s=20170815-heliosphere; h=In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=vJRSj0yJ0nGMQ7A04jXbedZdlDHcAN0hBrzP50Ruo6g=; b=enEiR9C8pobypGbm3Yy3RH5U8 TsGirkqhrEOn7G+4Oldowb8anNJrWFpFbamtEgD5TksYWJ9AKr9t7Z8AERxiv/Z0WkZy4cjQkKbeb m/nxq4q6tjVQFHarK9iHDf4DSp32U593EVhKKIJf7WhoWNqGNj22cAXlRHkgcb0BOwBIw=; Received: from cpc102320-sgyl38-2-0-cust46.18-2.cable.virginm.net ([82.37.168.47] helo=ypsilon.sirena.org.uk) by heliosphere.sirena.org.uk with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1iAyto-0004MD-Ol; Thu, 19 Sep 2019 16:03:16 +0000 Received: by ypsilon.sirena.org.uk (Postfix, from userid 1000) id A09802741D3A; Thu, 19 Sep 2019 17:03:15 +0100 (BST) Date: Thu, 19 Sep 2019 17:03:15 +0100 From: Mark Brown To: Gregory CLEMENT Cc: linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org, Nicolas Ferre , Alexandre Belloni , Ludovic Desroches , linux-arm-kernel@lists.infradead.org, Thomas Petazzoni , stable@vger.kernel.org Subject: Re: [PATCH] spi: atmel: Fix crash when using more than 4 gpio CS Message-ID: <20190919160315.GQ3642@sirena.co.uk> References: <20190919153847.7179-1-gregory.clement@bootlin.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="Vxa5joy26gVGOrvU" Content-Disposition: inline In-Reply-To: <20190919153847.7179-1-gregory.clement@bootlin.com> X-Cookie: I'll be Grateful when they're Dead. User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --Vxa5joy26gVGOrvU Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Thu, Sep 19, 2019 at 05:38:47PM +0200, Gregory CLEMENT wrote: > With this patch, when using a gpio CS, the hardware CS0 is always > used. Thanks to this, there is no more limitation for the number of > gpio CS we can use. This is going to break any system where we use both a GPIO chip select and chip select 0. Ideally we'd try to figure out an unused chip select to use here... --Vxa5joy26gVGOrvU Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAl2DpsIACgkQJNaLcl1U h9DKfgf+Jsooil74xOpQ+umzYyZp8Qb3FEcyImIlX60lGCNBSHiEvAhRajJ6+AXX CsWEWs+bSzrHgo4y5RRwOrtp7RXbEJARgR2ke9JZ0l9P9qdU3oW/m8A8Ghq4Q8z/ 3w+GW4UoWkqUuDjK/LZeOvBtmq1+viYePqq+wOLg12uVCc+aifI1qZlTJHFaGJUf EJDxnopv92Ct66G3ZcQ8lMmujukMAuk6Z7+H6SJqvhIDOQLd8Ryt955+6v198wcq M8zO5suWI6sTMK0HpsN6L3K/WOe7vOUOPYyyLtKBSAA4+Piy9EaQcVsWv1mVLJfp SO2Y3XYEQykklvv+yX+7XlZxS6QYAg== =WMib -----END PGP SIGNATURE----- --Vxa5joy26gVGOrvU--