From patchwork Sat Jul 26 03:08:43 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yijing Wang X-Patchwork-Id: 4626571 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 5A0189F36A for ; Sat, 26 Jul 2014 02:49:11 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 901432020F for ; Sat, 26 Jul 2014 02:49:10 +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 BD5BB201F4 for ; Sat, 26 Jul 2014 02:49:09 +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 1XArzd-0002Wm-Ec; Sat, 26 Jul 2014 02:45:53 +0000 Received: from szxga02-in.huawei.com ([119.145.14.65]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1XArzL-0001IP-NR for linux-arm-kernel@lists.infradead.org; Sat, 26 Jul 2014 02:45:37 +0000 Received: from 172.24.2.119 (EHLO szxeml419-hub.china.huawei.com) ([172.24.2.119]) by szxrg02-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id BXE25885; Sat, 26 Jul 2014 10:43:42 +0800 (CST) Received: from localhost.localdomain (10.175.100.166) by szxeml419-hub.china.huawei.com (10.82.67.158) with Microsoft SMTP Server id 14.3.158.1; Sat, 26 Jul 2014 10:43:33 +0800 From: Yijing Wang To: Subject: [RFC PATCH 06/11] PCI/MSI: Save MSI irq in PCI MSI layer Date: Sat, 26 Jul 2014 11:08:43 +0800 Message-ID: <1406344128-27055-7-git-send-email-wangyijing@huawei.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1406344128-27055-1-git-send-email-wangyijing@huawei.com> References: <1406344128-27055-1-git-send-email-wangyijing@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.100.166] X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140725_194536_125215_139CEC32 X-CRM114-Status: UNSURE ( 8.89 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.7 (/) Cc: linux-arch@vger.kernel.org, Russell King , Paul.Mundt@huawei.com, Marc Zyngier , linux-pci@vger.kernel.org, "James E.J. Bottomley" , virtualization@lists.linux-foundation.org, Xinwei Hu , Yijing Wang , Hanjun Guo , Bjorn Helgaas , Wuyun , arnab.basu@freescale.com, 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=-1.9 required=5.0 tests=BAYES_00,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 Save MSI irq in PCI MSI layer, this is preparation for generic MSI. Signed-off-by: Yijing Wang --- drivers/pci/msi.c | 5 +++-- 1 files changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index 21b16e0..f96dd38 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -650,8 +650,6 @@ static int msi_capability_init(struct pci_dev *dev, int nvec) pci_intx_for_msi(dev, 0); msi_set_enable(dev, 1); dev->msi_enabled = 1; - - dev->irq = entry->irq; return 0; } @@ -1059,6 +1057,7 @@ int pci_enable_msi_range(struct pci_dev *dev, int minvec, int maxvec) { int nvec; int rc; + struct msi_desc *entry; if (dev->current_state != PCI_D0) return -EINVAL; @@ -1114,6 +1113,8 @@ int pci_enable_msi_range(struct pci_dev *dev, int minvec, int maxvec) return rc; } + entry = list_entry(dev->msi_list.next, struct msi_desc, list); + dev->irq = entry->irq; return nvec; } EXPORT_SYMBOL(pci_enable_msi_range);