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=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 0AFF3C433E0 for ; Mon, 22 Mar 2021 00:40:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CBBA761944 for ; Mon, 22 Mar 2021 00:40:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229863AbhCVAkX (ORCPT ); Sun, 21 Mar 2021 20:40:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40326 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229579AbhCVAjr (ORCPT ); Sun, 21 Mar 2021 20:39:47 -0400 Received: from mail-lj1-x233.google.com (mail-lj1-x233.google.com [IPv6:2a00:1450:4864:20::233]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 36057C061574 for ; Sun, 21 Mar 2021 17:39:47 -0700 (PDT) Received: by mail-lj1-x233.google.com with SMTP id u10so18968717lju.7 for ; Sun, 21 Mar 2021 17:39:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=semihalf-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=BgZ7HgNTm/UP99/YoRuqdj9+3TXma4Ehz1JtkcBaT5Q=; b=HokPlg6gMGIZVQ4DU3bzd0RTLuMjlseq3sDQ4OyN87nORSN83HFNDj5GkksY46/M2e RyfpOc7i7MwU5lKpuds78vAkNb3vLDvYNbuwaVIR8I8tzIzWjpHX0VVZdOxzOt2p8n35 XnBYSmJVIVrWxqMbah2EiPTQcZBsp7lpE8ucG4r3lce3VAuls+64rqhQSuhzrHSBpKdd 8cgXjTgdhVaaZwrc0Yu1pqcp3gLp1kRoyzMtnYw/UTHoKskR+A9ld1NnDddYEDlDexrR FTlD1p0vfoBzGoz2j6ztI+JvPUY9VwuyaGQKEiXAmPT0TOXA/0yHKp1Rb+8vYPwoGDbd qgYQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=BgZ7HgNTm/UP99/YoRuqdj9+3TXma4Ehz1JtkcBaT5Q=; b=XZAY0JQIH0CQ2xiETDzz7YyXR5vrz2R00h/PWSPlpAg+zAEzvtn3up4/K4cOOLnSEG 9VoOrjnSsH1bh43CA2EGsKioSYfOWMK7z0sIXCxC6Wqt3r/Suew3MZHPRDGXDKqsghVZ pQUh0gGI+DmQAoS/7dsvJ3k2TSia81PDQrlroWbvEAsQAJn8akiqKMNaOOGddTHVmSPO V8yw5ID+5mB+TqwnJE62p8Z4z0fonIURa7qG+x9tiBIOct9PvBCqgboE1njUEPJT9VvL DfXLRpQFDcpZ/yncxpmkSfqmEjIhTubMpsZennWqguYiooQHzogVtwR8t7ZswG0qMyA0 kEOw== X-Gm-Message-State: AOAM530yhZKc2EYPduQ8J2g+xPgakVa/8t+hKWOnQDPiWqfktu1YMnmu TcLdp+IEUINDTCOWk2aRLLtoyg== X-Google-Smtp-Source: ABdhPJzF6sSQk4GqGecvPY0obUYGBn4a8JXhCfM6eH/VIQYzkT4p/77yJ81+X+dUVdeywWYQXSx6iQ== X-Received: by 2002:a2e:8185:: with SMTP id e5mr8020563ljg.138.1616373585692; Sun, 21 Mar 2021 17:39:45 -0700 (PDT) Received: from gilgamesh.int.semihalf.com (host-193.106.246.138.static.3s.pl. [193.106.246.138]) by smtp.gmail.com with ESMTPSA id a10sm1381964lfu.263.2021.03.21.17.39.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 21 Mar 2021 17:39:45 -0700 (PDT) From: Marcin Wojtas To: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: andrew@lunn.ch, gregory.clement@bootlin.com, robh+dt@kernel.org, Marcin Wojtas Subject: [PATCH] arm64: dts: ensure backward compatibility of the AP807 Xenon Date: Mon, 22 Mar 2021 01:39:15 +0100 Message-Id: <20210322003915.3199775-1-mw@semihalf.com> X-Mailer: git-send-email 2.29.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- arch/arm64/boot/dts/marvell/armada-ap807.dtsi | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/marvell/armada-ap807.dtsi b/arch/arm64/boot/dts/marvell/armada-ap807.dtsi index d9bbbfa4b4eb..4a23f65d475f 100644 --- a/arch/arm64/boot/dts/marvell/armada-ap807.dtsi +++ b/arch/arm64/boot/dts/marvell/armada-ap807.dtsi @@ -29,6 +29,7 @@ cpu_clk: clock-cpu { }; &ap_sdhci0 { - compatible = "marvell,armada-ap807-sdhci"; + compatible = "marvell,armada-ap807-sdhci", + "marvell,armada-ap806-sdhci"; /* Backward compatibility */ }; -- 2.29.0