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,USER_AGENT_GIT autolearn=unavailable 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 547B3C10F29 for ; Mon, 16 Mar 2020 02:41:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 22AF120736 for ; Mon, 16 Mar 2020 02:41:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1584326492; bh=8r9H4rfR2MbERS/6jidvQxK29URrmHh+Oxg5FXPgUxc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=BB342wzjZgt4sNod8lNxbx9tF/Jay0BI3T7j8dhQFo2B88hOeTl8LJXXhlAooGbch iVg+Js+TPb9M+lwIkVSAly10hvar+RKtVtVC5ttIExkwEZVH0yQrfWRzcPGO7x19mi DrCpfPxOFsNQUfXXbolMXd/Tv5ePhLfasl8TMzQA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729810AbgCPClb (ORCPT ); Sun, 15 Mar 2020 22:41:31 -0400 Received: from mail.kernel.org ([198.145.29.99]:36388 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729565AbgCPCdh (ORCPT ); Sun, 15 Mar 2020 22:33:37 -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 EB9842073D; Mon, 16 Mar 2020 02:33:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1584326016; bh=8r9H4rfR2MbERS/6jidvQxK29URrmHh+Oxg5FXPgUxc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BMKIrhVlM/OxKXOfJPVfAQoKg4nU/zONtHuiy8a8LB9CTTWkr6E6G96CBvpsbSawU gfpfqc++vyJjHx8rf0mMbM9AfdwpxW7fuPvKU4gtPkYMZBrZ7IPf8Ao0G4Ee5vow0E SRMIxMgbFb4qiiqL+1B+yNTxnCC/IRss47nsp7CA= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Kishon Vijay Abraham I , Tony Lindgren , Sasha Levin , linux-omap@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH AUTOSEL 5.5 14/41] ARM: dts: dra7: Add "dma-ranges" property to PCIe RC DT nodes Date: Sun, 15 Mar 2020 22:32:52 -0400 Message-Id: <20200316023319.749-14-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200316023319.749-1-sashal@kernel.org> References: <20200316023319.749-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org From: Kishon Vijay Abraham I [ Upstream commit 27f13774654ea6bd0b6fc9b97cce8d19e5735661 ] 'dma-ranges' in a PCI bridge node does correctly set dma masks for PCI devices not described in the DT. Certain DRA7 platforms (e.g., DRA76) has RAM above 32-bit boundary (accessible with LPAE config) though the PCIe bridge will be able to access only 32-bits. Add 'dma-ranges' property in PCIe RC DT nodes to indicate the host bridge can access only 32 bits. Signed-off-by: Kishon Vijay Abraham I Signed-off-by: Tony Lindgren Signed-off-by: Sasha Levin --- arch/arm/boot/dts/dra7.dtsi | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi index 73e5011f531ab..c5af7530be7c8 100644 --- a/arch/arm/boot/dts/dra7.dtsi +++ b/arch/arm/boot/dts/dra7.dtsi @@ -184,6 +184,7 @@ device_type = "pci"; ranges = <0x81000000 0 0 0x03000 0 0x00010000 0x82000000 0 0x20013000 0x13000 0 0xffed000>; + dma-ranges = <0x02000000 0x0 0x00000000 0x00000000 0x1 0x00000000>; bus-range = <0x00 0xff>; #interrupt-cells = <1>; num-lanes = <1>; @@ -238,6 +239,7 @@ device_type = "pci"; ranges = <0x81000000 0 0 0x03000 0 0x00010000 0x82000000 0 0x30013000 0x13000 0 0xffed000>; + dma-ranges = <0x02000000 0x0 0x00000000 0x00000000 0x1 0x00000000>; bus-range = <0x00 0xff>; #interrupt-cells = <1>; num-lanes = <1>; -- 2.20.1