From patchwork Sat May 4 00:42:56 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eugeniu Rosca X-Patchwork-Id: 10929515 X-Patchwork-Delegate: horms@verge.net.au Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 7115414B6 for ; Sat, 4 May 2019 00:46:06 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5EFBD28800 for ; Sat, 4 May 2019 00:46:06 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 530CA2880A; Sat, 4 May 2019 00:46:06 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id F125F28800 for ; Sat, 4 May 2019 00:46:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726914AbfEDAqF (ORCPT ); Fri, 3 May 2019 20:46:05 -0400 Received: from mail-wm1-f65.google.com ([209.85.128.65]:55969 "EHLO mail-wm1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726600AbfEDAqF (ORCPT ); Fri, 3 May 2019 20:46:05 -0400 Received: by mail-wm1-f65.google.com with SMTP id y2so8669324wmi.5; Fri, 03 May 2019 17:46:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=KuwUHQWOOly8GFk7p0yEd8RtBOjjsLVUGKjg2tkNT9k=; b=VmFfCj3rLEsa43520oHTqGeAcIiX9wOw5oCJU7xrvINDnYpa6xtWN0Ef2jXcMGpCLr GX79y/YB61BHEyQju00p16SiPrRp5xNzhn6XYjzrHgyI2QHIDPd2o/5YBf3IStDzfIu2 IOYl36ZVwAxuFtObAb6qTp3nIdrU8Ji1G+WPusb+xQWoceT1Qa5quia3xWVPmHRn2GuU Nug6znuOj8pKehiU2MIP0yFrfHPWBQzSR33MvuysHJXrEm3Au+czFp3NfcJ5Ux9sYG1S WrimlHDQbPWwWF+FN2KkDjgAGvqS/0I/jJk3UglNkC7Iw3ZE8BAJbihKSReJdttOavgt lBiA== 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:in-reply-to :references:mime-version:content-transfer-encoding; bh=KuwUHQWOOly8GFk7p0yEd8RtBOjjsLVUGKjg2tkNT9k=; b=muO1vTEGCuT92fAOflGr5DRzuKd4jdOtJpf3yK/dhIS0u5Ls2z3yfR3oqBMXNUTOr6 cWiPpG3Z0UyKaPlc2/k1k9pY7cFfsw0t8nlUiL1q6+NelDbZ0scEJi59ZrubZpKbSxKm DPceZwvP+PxAU1UUem0B8sZLQGBybR7jOJUYLSBXu4+NIhUDdsEFD9TwIZa9oJHGedBX wERl4iTIJPa+r1dsWeZIOFvNmWGa2yHHgwLZzSMHwJga7Himpq557XqRlPP9fGIkxaia 5LTikLREXdREuCeRNi3/f5PzjCO2eJMHQyb+PfLeawlUPFB4JKE6awRXojcf684hRTTJ 0JUQ== X-Gm-Message-State: APjAAAVaaGxNJU7pt3G/TgZ7uT81yw4X7HH4p+otIRFg3ofPLsPq8X8P QpdvKW8xnL4uTHMJ49p5tN4= X-Google-Smtp-Source: APXvYqwy5B09ksg2CRG1ihQkrfSJP8zikUvut2MCM8MDjWrKIKuKIq2cTRI/AfJf71T9Drgfef6nTA== X-Received: by 2002:a1c:c788:: with SMTP id x130mr8416823wmf.118.1556930762963; Fri, 03 May 2019 17:46:02 -0700 (PDT) Received: from localhost.localdomain (ipb218f40a.dynamic.kabel-deutschland.de. [178.24.244.10]) by smtp.gmail.com with ESMTPSA id b11sm5979161wmh.29.2019.05.03.17.46.01 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 03 May 2019 17:46:02 -0700 (PDT) From: Eugeniu Rosca X-Google-Original-From: Eugeniu Rosca To: Geert Uytterhoeven , Simon Horman , Chris Brandt , Wolfram Sang , Ulrich Hecht , Greg Kroah-Hartman Cc: "George G . Davis" , Andy Lowe , linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Magnus Damm , Rob Herring , Mark Rutland , Eugeniu Rosca , Eugeniu Rosca Subject: [PATCH 4/6] Revert "arm64: dts: renesas: r8a77965: Enable DMA for SCIF2" Date: Sat, 4 May 2019 02:42:56 +0200 Message-Id: <20190504004258.23574-5-erosca@de.adit-jv.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190504004258.23574-1-erosca@de.adit-jv.com> References: <20190504004258.23574-1-erosca@de.adit-jv.com> MIME-Version: 1.0 Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This reverts commit 05c8478abd485507c25aa565afab604af8d8fe46. Both empirically and based on the existing documentation, it looks like SCIF2 does not support DMA. Let's disable it. Full reasoning is given in commit ("Revert "arm64: dts: renesas: r8a7796: Enable DMA for SCIF2""). Fixes: 05c8478abd4855 ("arm64: dts: renesas: r8a77965: Enable DMA for SCIF2") Signed-off-by: Eugeniu Rosca --- arch/arm64/boot/dts/renesas/r8a77965.dtsi | 3 --- 1 file changed, 3 deletions(-) diff --git a/arch/arm64/boot/dts/renesas/r8a77965.dtsi b/arch/arm64/boot/dts/renesas/r8a77965.dtsi index 9763d108e183..979f14d1fcc4 100644 --- a/arch/arm64/boot/dts/renesas/r8a77965.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a77965.dtsi @@ -1068,9 +1068,6 @@ <&cpg CPG_CORE R8A77965_CLK_S3D1>, <&scif_clk>; clock-names = "fck", "brg_int", "scif_clk"; - dmas = <&dmac1 0x13>, <&dmac1 0x12>, - <&dmac2 0x13>, <&dmac2 0x12>; - dma-names = "tx", "rx", "tx", "rx"; power-domains = <&sysc R8A77965_PD_ALWAYS_ON>; resets = <&cpg 310>; status = "disabled";