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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 C56A5C28CBC for ; Thu, 30 Apr 2020 14:13:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 996B7206D9 for ; Thu, 30 Apr 2020 14:13:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588255998; bh=2mLw8FLDMvON6Ru0EDLJPgLcxLqD12on0r+a5CvEJY0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=HDZd28mpfmgTxn0COD9v0xxFHZ6gmxB0XXigg6yqr3WKcB7kIIG75+qKHuMSHidG1 GGH+XeEAFI50I0/wLCh5/sZDJZCTSOY11ODTqKEXUPncg5Xa4a3xAaA03G6VhJd/kV ytsK7FwmRurweMU9OCW07fPL6Sb3uKXK7rjkv940= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728776AbgD3ONR (ORCPT ); Thu, 30 Apr 2020 10:13:17 -0400 Received: from mail.kernel.org ([198.145.29.99]:58364 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727088AbgD3Nut (ORCPT ); Thu, 30 Apr 2020 09:50:49 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id B717B2082E; Thu, 30 Apr 2020 13:50:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588254648; bh=2mLw8FLDMvON6Ru0EDLJPgLcxLqD12on0r+a5CvEJY0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=U85ZRaV6Bz3WrXAeXONYpX3hRADMsBEJfcMoAskF1LSa+d4uVWs3Kmg2md7UtjuLr a+JXtlT0RDM/lPFma3Tmm4K5fXgb9SRWUIcUM4zG3hrm80DDXQSdj494+v1fAigTUK tVMP2JOSD4aCjtX+M7NylwmIJdbI4UzwnKjGJwtM= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Nicolas Saenz Julienne , Sasha Levin , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rpi-kernel@lists.infradead.org Subject: [PATCH AUTOSEL 5.6 03/79] ARM: dts: bcm283x: Add cells encoding format to firmware bus Date: Thu, 30 Apr 2020 09:49:27 -0400 Message-Id: <20200430135043.19851-3-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200430135043.19851-1-sashal@kernel.org> References: <20200430135043.19851-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Nicolas Saenz Julienne [ Upstream commit be08d278eb09210fefbad4c9b27d7843f1c096b2 ] With the introduction of 55c7c0621078 ("ARM: dts: bcm283x: Fix vc4's firmware bus DMA limitations") the firmware bus has to comply with /soc's DMA limitations. Ultimately linking both buses to a same dma-ranges property. The patch (and author) missed the fact that a bus' #address-cells and #size-cells properties are not inherited, but set to a fixed value which, in this case, doesn't match /soc's. This, although not breaking Linux's DMA mapping functionality, generates ugly dtc warnings. Fix the issue by adding the correct address and size cells properties under the firmware bus. Fixes: 55c7c0621078 ("ARM: dts: bcm283x: Fix vc4's firmware bus DMA limitations") Signed-off-by: Nicolas Saenz Julienne Link: https://lore.kernel.org/r/20200326134413.12298-1-nsaenzjulienne@suse.de Signed-off-by: Sasha Levin --- arch/arm/boot/dts/bcm2835-rpi.dtsi | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm/boot/dts/bcm2835-rpi.dtsi b/arch/arm/boot/dts/bcm2835-rpi.dtsi index fd2c766e0f710..f7ae5a4530b88 100644 --- a/arch/arm/boot/dts/bcm2835-rpi.dtsi +++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi @@ -14,6 +14,9 @@ soc { firmware: firmware { compatible = "raspberrypi,bcm2835-firmware", "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + mboxes = <&mailbox>; dma-ranges; }; -- 2.20.1