From patchwork Sun Sep 28 20:53:29 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Suravee Suthikulpanit X-Patchwork-Id: 4992531 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id A9E50BEEA6 for ; Sun, 28 Sep 2014 20:57:46 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id D4F0C2021B for ; Sun, 28 Sep 2014 20:57:45 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 00CB1201FB for ; Sun, 28 Sep 2014 20:57:45 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1XYLV1-0005re-GV; Sun, 28 Sep 2014 20:55:19 +0000 Received: from mail-by2on0133.outbound.protection.outlook.com ([207.46.100.133] helo=na01-by2-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1XYLUn-0004Yo-MX for linux-arm-kernel@lists.infradead.org; Sun, 28 Sep 2014 20:55:06 +0000 Received: from BY2PR02CA005.namprd02.prod.outlook.com (10.255.247.25) by BN1PR02MB197.namprd02.prod.outlook.com (10.242.214.146) with Microsoft SMTP Server (TLS) id 15.0.1039.15; Sun, 28 Sep 2014 20:54:42 +0000 Received: from BN1BFFO11FD027.protection.gbl (2a01:111:f400:7c10::1:191) by BY2PR02CA005.outlook.office365.com (2a01:111:e400:2c16::25) with Microsoft SMTP Server (TLS) id 15.0.1039.15 via Frontend Transport; Sun, 28 Sep 2014 20:54:41 +0000 Received: from atltwp02.amd.com (165.204.84.222) by BN1BFFO11FD027.mail.protection.outlook.com (10.58.144.90) with Microsoft SMTP Server id 15.0.1029.15 via Frontend Transport; Sun, 28 Sep 2014 20:54:39 +0000 X-WSS-ID: 0NCMQ2Y-08-OWM-02 X-M-MSG: Received: from satlvexedge02.amd.com (satlvexedge02.amd.com [10.177.96.29]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) by atltwp02.amd.com (Axway MailGate 5.3.1) with ESMTPS id 2A75FD1602A; Sun, 28 Sep 2014 15:54:33 -0500 (CDT) Received: from SATLEXDAG05.amd.com (10.181.40.11) by SATLVEXEDGE02.amd.com (10.177.96.29) with Microsoft SMTP Server (TLS) id 14.3.195.1; Sun, 28 Sep 2014 15:55:01 -0500 Received: from ssuthiku-fedora-lt.amd.com (10.180.168.240) by satlexdag05.amd.com (10.181.40.11) with Microsoft SMTP Server id 14.3.195.1; Sun, 28 Sep 2014 16:54:36 -0400 From: To: , , , , , , , , Subject: [RFC 3/4] arm64: Do not call enable PCI resources when specify PCI_PROBE_ONLY Date: Sun, 28 Sep 2014 15:53:29 -0500 Message-ID: <1411937610-22125-4-git-send-email-suravee.suthikulpanit@amd.com> X-Mailer: git-send-email 1.9.3 In-Reply-To: <1411937610-22125-1-git-send-email-suravee.suthikulpanit@amd.com> References: <1411937610-22125-1-git-send-email-suravee.suthikulpanit@amd.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-Forefront-Antispam-Report: CIP:165.204.84.222; CTRY:US; IPV:NLI; EFV:NLI; SFV:NSPM; SFS:(10019020)(6009001)(428002)(189002)(199003)(10300001)(86362001)(20776003)(120916001)(93916002)(64706001)(85852003)(102836001)(101416001)(50986999)(89996001)(85306004)(21056001)(88136002)(105586002)(47776003)(31966008)(19580395003)(95666004)(44976005)(87286001)(83072002)(53416004)(62966002)(48376002)(76482002)(83322001)(19580405001)(229853001)(50466002)(86152002)(92566001)(87936001)(92726001)(50226001)(97736003)(84676001)(36756003)(2201001)(33646002)(4396001)(104166001)(79102003)(80022003)(106466001)(99396003)(74502003)(76176999)(77156001)(107046002)(81342003)(77982003)(90102001)(68736004)(81542003)(46102003)(77096002)(74662003); DIR:OUT; SFP:1102; SCL:1; SRVR:BN1PR02MB197; H:atltwp02.amd.com; FPR:; MLV:sfv; PTR:InfoDomainNonexistent; MX:1; A:1; LANG:en; X-Microsoft-Antispam: UriScan:; X-Microsoft-Antispam: BCL:0;PCL:0;RULEID:;SRVR:BN1PR02MB197; X-Forefront-PRVS: 03484C0ABF Received-SPF: None (protection.outlook.com: amd.com does not designate permitted sender hosts) Authentication-Results: spf=none (sender IP is 165.204.84.222) smtp.mailfrom=Suravee.Suthikulpanit@amd.com; X-OriginatorOrg: amd4.onmicrosoft.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140928_135505_830675_8C111705 X-CRM114-Status: UNSURE ( 9.76 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.1 (/) Cc: devicetree@vger.kernel.org, linux-doc@vger.kernel.org, linux-pci@vger.kernel.org, Liviu Dudau , linux-kernel@vger.kernel.org, Suravee Suthikulpanit , linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-2.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Suravee Suthikulpanit When specify PCI_PROBE_ONLY, the resource parent does not get assigned. Therefore, pci_enable_resources() return error saying that "BAR x not claimed". Note: This same logic is also used in the arch/arm/kernel/bios32.c Cc: Liviu Dudau Cc: Bjorn Helgaas Cc: Will Deacon Cc: Catalin Marinas Signed-off-by: Suravee Suthikulpanit --- arch/arm64/kernel/pci.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm64/kernel/pci.c b/arch/arm64/kernel/pci.c index ce5836c..7fd4d2b 100644 --- a/arch/arm64/kernel/pci.c +++ b/arch/arm64/kernel/pci.c @@ -68,3 +68,11 @@ void pci_bus_assign_domain_nr(struct pci_bus *bus, struct device *parent) bus->domain_nr = domain; } #endif + +int pcibios_enable_device(struct pci_dev *dev, int mask) +{ + if (pci_has_flag(PCI_PROBE_ONLY)) + return 0; + + return pci_enable_resources(dev, mask); +}