Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752641AbaLADr2 (ORCPT ); Sun, 30 Nov 2014 22:47:28 -0500 Received: from mail-bl2on0142.outbound.protection.outlook.com ([65.55.169.142]:53281 "EHLO na01-bl2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752562AbaLADrG (ORCPT ); Sun, 30 Nov 2014 22:47:06 -0500 X-WSS-ID: 0NFVX6D-07-VXB-02 X-M-MSG: From: To: , , , , CC: , , , , , Suravee Suthikulpanit Subject: [PATCH 2/2] arm64: amd-seattle: Fix PCI bus range due to SMMU limitation Date: Sun, 30 Nov 2014 21:46:40 -0600 Message-ID: <1417405600-19232-3-git-send-email-suravee.suthikulpanit@amd.com> X-Mailer: git-send-email 1.9.3 In-Reply-To: <1417405600-19232-1-git-send-email-suravee.suthikulpanit@amd.com> References: <1417405600-19232-1-git-send-email-suravee.suthikulpanit@amd.com> MIME-Version: 1.0 Content-Type: text/plain X-EOPAttributedMessage: 0 Authentication-Results: spf=none (sender IP is 165.204.84.221) smtp.mailfrom=Suravee.Suthikulpanit@amd.com; X-Forefront-Antispam-Report: CIP:165.204.84.221;CTRY:US;IPV:NLI;EFV:NLI;SFV:NSPM;SFS:(10019020)(6009001)(428002)(189002)(199003)(50226001)(107046002)(120916001)(33646002)(4396001)(229853001)(31966008)(19580405001)(19580395003)(44976005)(99396003)(36756003)(68736004)(77096004)(97736003)(21056001)(77156002)(84676001)(62966003)(93916002)(86362001)(64706001)(76176999)(50466002)(50986999)(2201001)(86152002)(102836001)(101416001)(48376002)(92566001)(92726001)(106466001)(105586002)(46102003)(89996001)(104166001)(87286001)(95666004)(87936001)(88136002)(53416004)(47776003)(20776003);DIR:OUT;SFP:1102;SCL:1;SRVR:BY2PR02MB204;H:atltwp01.amd.com;FPR:;SPF:None;MLV:sfv;PTR:InfoDomainNonexistent;MX:1;A:1;LANG:en; X-Microsoft-Antispam: UriScan:; X-Microsoft-Antispam: BCL:0;PCL:0;RULEID:;SRVR:BY2PR02MB204; X-Exchange-Antispam-Report-Test: UriScan:; X-Exchange-Antispam-Report-CFA-Test: BCL:0;PCL:0;RULEID:;SRVR:BY2PR02MB204; X-Forefront-PRVS: 0412A98A59 X-Exchange-Antispam-Report-CFA-Test: BCL:0;PCL:0;RULEID:;SRVR:BY2PR02MB204; X-OriginatorOrg: amd4.onmicrosoft.com Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Suravee Suthikulpanit Since PCIe is using SMMUv1 which only supports 15-bit stream ID, only 7-bit PCI bus id is used to specify stream ID. Therefore, we only limit the PCI bus range to 0x7f. Signed-off-by: Suravee Suthikulpanit --- arch/arm64/boot/dts/amd/amd-seattle-soc.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/amd/amd-seattle-soc.dtsi b/arch/arm64/boot/dts/amd/amd-seattle-soc.dtsi index f370f03..a6534c4 100644 --- a/arch/arm64/boot/dts/amd/amd-seattle-soc.dtsi +++ b/arch/arm64/boot/dts/amd/amd-seattle-soc.dtsi @@ -151,7 +151,7 @@ #size-cells = <2>; #interrupt-cells = <1>; device_type = "pci"; - bus-range = <0 0xff>; + bus-range = <0 0x7f>; msi-parent = <&v2m0>; reg = <0 0xf0000000 0 0x10000000>; -- 1.9.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/