From patchwork Tue Sep 23 14:28:59 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Minghuan Lian X-Patchwork-Id: 4956861 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 4A77B9F3DF for ; Tue, 23 Sep 2014 14:31:51 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 9F39F201C0 for ; Tue, 23 Sep 2014 14:31:46 +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 6342D20221 for ; Tue, 23 Sep 2014 14:31:45 +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 1XWR66-0002Ol-Kk; Tue, 23 Sep 2014 14:29:42 +0000 Received: from mail-by2on0148.outbound.protection.outlook.com ([207.46.100.148] helo=na01-by2-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1XWR5r-0002Ek-Hy for linux-arm-kernel@lists.infradead.org; Tue, 23 Sep 2014 14:29:28 +0000 Received: from BY2PR0301MB0741.namprd03.prod.outlook.com (25.160.63.19) by BY2PR0301MB0710.namprd03.prod.outlook.com (25.160.63.152) with Microsoft SMTP Server (TLS) id 15.0.1034.13; Tue, 23 Sep 2014 14:29:05 +0000 Received: from CO2PR03CA0033.namprd03.prod.outlook.com (10.141.194.160) by BY2PR0301MB0741.namprd03.prod.outlook.com (25.160.63.19) with Microsoft SMTP Server (TLS) id 15.0.1034.13; Tue, 23 Sep 2014 14:29:03 +0000 Received: from BN1BFFO11FD045.protection.gbl (2a01:111:f400:7c10::1:141) by CO2PR03CA0033.outlook.office365.com (2a01:111:e400:1414::32) with Microsoft SMTP Server (TLS) id 15.0.1034.13 via Frontend Transport; Tue, 23 Sep 2014 14:29:03 +0000 Received: from tx30smr01.am.freescale.net (192.88.168.50) by BN1BFFO11FD045.mail.protection.outlook.com (10.58.145.0) with Microsoft SMTP Server (TLS) id 15.0.1029.15 via Frontend Transport; Tue, 23 Sep 2014 14:29:02 +0000 Received: from lmh.ap.freescale.net (lmh.ap.freescale.net [10.193.20.46]) by tx30smr01.am.freescale.net (8.14.3/8.14.0) with ESMTP id s8NESkg1024223; Tue, 23 Sep 2014 07:28:59 -0700 From: Minghuan Lian To: Subject: [PATCH v3 2/3] PCI: designware: Add get_msi_data() to pcie_host_ops Date: Tue, 23 Sep 2014 22:28:59 +0800 Message-ID: <1411482540-31297-4-git-send-email-Minghuan.Lian@freescale.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1411482540-31297-1-git-send-email-Minghuan.Lian@freescale.com> References: <1411482540-31297-1-git-send-email-Minghuan.Lian@freescale.com> X-EOPAttributedMessage: 0 X-Forefront-Antispam-Report: CIP:192.88.168.50; CTRY:US; IPV:NLI; EFV:NLI; SFV:NSPM; SFS:(10019020)(6009001)(54534003)(189002)(199003)(85306004)(76176999)(20776003)(50986999)(44976005)(229853001)(97736003)(80022003)(99396002)(74662003)(4396001)(81342003)(79102003)(87936001)(74502003)(19580405001)(90102001)(6806004)(2351001)(64706001)(107046002)(83322001)(88136002)(31966008)(93916002)(19580395003)(47776003)(92726001)(83072002)(95666004)(62966002)(76482002)(77156001)(105606002)(86362001)(21056001)(110136001)(48376002)(50466002)(46102003)(77982003)(104166001)(50226001)(68736004)(81542003)(36756003)(104016003)(92566001)(84676001)(120916001)(89996001)(87286001)(106466001)(10300001)(85852003); DIR:OUT; SFP:1102; SCL:1; SRVR:BY2PR0301MB0741; H:tx30smr01.am.freescale.net; FPR:; MLV:sfv; PTR:InfoDomainNonexistent; MX:1; A:1; LANG:en; MIME-Version: 1.0 X-Microsoft-Antispam: UriScan:;UriScan:; X-Microsoft-Antispam: BCL:0;PCL:0;RULEID:;SRVR:BY2PR0301MB0741; X-Forefront-PRVS: 0343AC1D30 Received-SPF: Fail (protection.outlook.com: domain of freescale.com does not designate 192.88.168.50 as permitted sender) receiver=protection.outlook.com; client-ip=192.88.168.50; helo=tx30smr01.am.freescale.net; Authentication-Results: spf=fail (sender IP is 192.88.168.50) smtp.mailfrom=Minghuan.Lian@freescale.com; X-Microsoft-Antispam: BCL:0;PCL:0;RULEID:;SRVR:BY2PR0301MB0710; X-OriginatorOrg: freescale.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140923_072927_594285_761AD38E X-CRM114-Status: UNSURE ( 8.32 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.2 (/) Cc: Arnd Bergmann , Minghuan Lian , Hu Mingkai-B21284 , Zang Roy-R61911 , Yoder Stuart-B08248 , Bjorn Helgaas , Scott Wood , 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=-2.6 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 The patch adds get_msi_data() for some platforms to return their special MSI message data. Signed-off-by: Minghuan Lian --- Change log: v3: no change v2: no change just derived from v1 drivers/pci/host/pcie-designware.c | 7 ++++++- drivers/pci/host/pcie-designware.h | 1 + 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/pci/host/pcie-designware.c b/drivers/pci/host/pcie-designware.c index 1c09f814..c28ca05 100644 --- a/drivers/pci/host/pcie-designware.c +++ b/drivers/pci/host/pcie-designware.c @@ -366,7 +366,12 @@ static int dw_msi_setup_irq(struct msi_chip *chip, struct pci_dev *pdev, else msg.address_lo = virt_to_phys((void *)pp->msi_data); msg.address_hi = 0x0; - msg.data = pos; + + if (pp->ops->get_msi_data) + msg.data = pp->ops->get_msi_data(pp, pos); + else + msg.data = pos; + write_msi_msg(irq, &msg); return 0; diff --git a/drivers/pci/host/pcie-designware.h b/drivers/pci/host/pcie-designware.h index 904e40a..c625675 100644 --- a/drivers/pci/host/pcie-designware.h +++ b/drivers/pci/host/pcie-designware.h @@ -71,6 +71,7 @@ struct pcie_host_ops { void (*msi_set_irq)(struct pcie_port *pp, int irq); void (*msi_clear_irq)(struct pcie_port *pp, int irq); u32 (*get_msi_addr)(struct pcie_port *pp); + u32 (*get_msi_data)(struct pcie_port *pp, int pos); void (*scan_bus)(struct pcie_port *pp); int (*msi_host_init)(struct pcie_port *pp, struct msi_chip *chip); };