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=-9.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 A7328C433C1 for ; Mon, 22 Mar 2021 12:16:28 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 3C7426198B for ; Mon, 22 Mar 2021 12:16:28 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3C7426198B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lunn.ch Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=GCUaLfueB0+5pCTI9pGFLSYz7kpxtBfVEVMNUz3I+G8=; b=kJjsMuu2WcQa2LVDXSEpmEF9c lMmVHulfVPxPHBRCLt7yMKt+4QI7v2u5hohCKHCOEmrbqYsHUP36SLXXyOQ414eut4WB5wx9fZlLi VaGJKiaTO0rLhVJwaAdPEjf/AAtIPUEqCh2if6qM0MTL/3t4yLfJwtQ71vXul6e7951KldtLGLcFw I2zmnUTrWCj0uFIuzjmXVhgro0DgqhtcQjMzu4VszXZmjo3x1hQRxhyQWnDcpQqDINHaRkmjUkZXI Ef/3dVv9tHWQyiBG9o/hjR478kZRHvjDfABoGYjGV/pyWkRuJCpeNVDbbH2tiOvvqHoTAJVXQLOLb HsbB2iBeg==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lOJS4-00BXvn-Ot; Mon, 22 Mar 2021 12:14:35 +0000 Received: from vps0.lunn.ch ([185.16.172.187]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lOJRz-00BXul-6T for linux-arm-kernel@lists.infradead.org; Mon, 22 Mar 2021 12:14:29 +0000 Received: from andrew by vps0.lunn.ch with local (Exim 4.94) (envelope-from ) id 1lOJRu-00COZM-Nx; Mon, 22 Mar 2021 13:14:22 +0100 Date: Mon, 22 Mar 2021 13:14:22 +0100 From: Andrew Lunn To: Marcin Wojtas Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, gregory.clement@bootlin.com, robh+dt@kernel.org Subject: Re: [PATCH] arm64: dts: ensure backward compatibility of the AP807 Xenon Message-ID: References: <20210322003915.3199775-1-mw@semihalf.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210322003915.3199775-1-mw@semihalf.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210322_121427_732954_82CA5BF3 X-CRM114-Status: GOOD ( 10.25 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Mar 22, 2021 at 01:39:15AM +0100, Marcin Wojtas wrote: > A recent switch to a dedicated AP807 compatible string for the Xenon > SD/MMC controller result in the driver not being probed when > using updated device tree with the older kernel revisions. > It may also be problematic for other OSs/firmware that use > Linux device tree sources as a reference. Resolve the problem > with backward compatibility by restoring a previous compatible > string as secondary one. > > Signed-off-by: Marcin Wojtas Reviewed-by: Andrew Lunn Andrew _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel