From patchwork Thu Sep 25 03:14:25 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yijing Wang X-Patchwork-Id: 4972361 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 6EBFC9F2BB for ; Thu, 25 Sep 2014 02:55:34 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 9A16620279 for ; Thu, 25 Sep 2014 02:55:33 +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 B34D7202D1 for ; Thu, 25 Sep 2014 02:55:32 +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 1XWzBX-0008Nb-PA; Thu, 25 Sep 2014 02:53:35 +0000 Received: from szxga03-in.huawei.com ([119.145.14.66]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1XWzBA-0007sf-0E for linux-arm-kernel@lists.infradead.org; Thu, 25 Sep 2014 02:53:13 +0000 Received: from 172.24.2.119 (EHLO szxeml409-hub.china.huawei.com) ([172.24.2.119]) by szxrg03-dlp.huawei.com (MOS 4.4.3-GA FastPath queued) with ESMTP id AUU79142; Thu, 25 Sep 2014 10:50:52 +0800 (CST) Received: from localhost.localdomain (10.175.100.166) by szxeml409-hub.china.huawei.com (10.82.67.136) with Microsoft SMTP Server id 14.3.158.1; Thu, 25 Sep 2014 10:50:41 +0800 From: Yijing Wang To: Bjorn Helgaas Subject: [PATCH v2 15/22] MIPS/Xlr/MSI: Use MSI chip framework to configure MSI/MSI-X irq Date: Thu, 25 Sep 2014 11:14:25 +0800 Message-ID: <1411614872-4009-16-git-send-email-wangyijing@huawei.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1411614872-4009-1-git-send-email-wangyijing@huawei.com> References: <1411614872-4009-1-git-send-email-wangyijing@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.100.166] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020204.5423830D.0027, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2013-05-26 15:14:31, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 26f308b057489af3cc65785353f7b44c X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140924_195312_525158_9E106D92 X-CRM114-Status: GOOD ( 10.60 ) X-Spam-Score: -1.4 (-) Cc: linux-mips@linux-mips.org, linux-ia64@vger.kernel.org, linux-pci@vger.kernel.org, Bharat.Bhushan@freescale.com, Yijing Wang , Thierry Reding , sparclinux@vger.kernel.org, linux-arch@vger.kernel.org, linux-s390@vger.kernel.org, Russell King , Michael Ellerman , Joerg Roedel , x86@kernel.org, Sebastian Ott , Benjamin Herrenschmidt , xen-devel@lists.xenproject.org, arnab.basu@freescale.com, Arnd Bergmann , Konrad Rzeszutek Wilk , Chris Metcalf , Thomas Gleixner , linux-arm-kernel@lists.infradead.org, Thomas Petazzoni , Xinwei Hu , Tony Luck , Sergei Shtylyov , linux-kernel@vger.kernel.org, Ralf Baechle , iommu@lists.linux-foundation.org, David Vrabel , Wuyun , linuxppc-dev@lists.ozlabs.org, "David S. Miller" , Lucas Stach 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 Use MSI chip framework instead of arch MSI functions to configure MSI/MSI-X irq. So we can manage MSI/MSI-X irq in a unified framework. Signed-off-by: Yijing Wang --- arch/mips/pci/pci-xlr.c | 15 +++++++++++++-- 1 files changed, 13 insertions(+), 2 deletions(-) diff --git a/arch/mips/pci/pci-xlr.c b/arch/mips/pci/pci-xlr.c index 0dde803..7bd91cc 100644 --- a/arch/mips/pci/pci-xlr.c +++ b/arch/mips/pci/pci-xlr.c @@ -214,11 +214,11 @@ static int get_irq_vector(const struct pci_dev *dev) } #ifdef CONFIG_PCI_MSI -void arch_teardown_msi_irq(unsigned int irq) +void xlr_teardown_msi_irq(unsigned int irq) { } -int arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc) +int xlr_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc) { struct msi_msg msg; struct pci_dev *lnk; @@ -263,6 +263,17 @@ int arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc) write_msi_msg(irq, &msg); return 0; } + +static struct msi_chip xlr_msi_chip = { + .setup_irq = xlr_setup_msi_irq, + .teardown_irq = xlr_teardown_msi_irq, +}; + +struct msi_chip *arch_find_msi_chip(struct pci_dev *dev) +{ + return &xlr_msi_chip; +} + #endif /* Extra ACK needed for XLR on chip PCI controller */