From patchwork Fri Sep 5 10:09:59 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: wangyijing X-Patchwork-Id: 36804 Return-Path: X-Original-To: linaro@patches.linaro.org Delivered-To: linaro@patches.linaro.org Received: from mail-vc0-f197.google.com (mail-vc0-f197.google.com [209.85.220.197]) by ip-10-151-82-157.ec2.internal (Postfix) with ESMTPS id 4DE98202E4 for ; Fri, 5 Sep 2014 09:54:51 +0000 (UTC) Received: by mail-vc0-f197.google.com with SMTP id le20sf32522338vcb.8 for ; Fri, 05 Sep 2014 02:54:51 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:delivered-to:from:to:date:message-id:in-reply-to :references:mime-version:cc:subject:precedence:list-id :list-unsubscribe:list-post:list-help:list-subscribe:sender :errors-to:x-original-sender:x-original-authentication-results :mailing-list:list-archive:content-type:content-transfer-encoding; bh=F9fUV9bxfAiB9ZLrOpMH+foDx5LoyehcDuUfw3cQkB8=; b=dERlPlTYMsClkXbs42nmSTvTsekMYuwZx7S4J/mT4Q910tdq1/7+uaynPH5h4Qe/D2 3en0SLHcSbRKSF3NNEl9hudU6ZSKcGWBmpQac+GALhsYqqJcp57Hqkck9411PPoAcd4Q EZ4bSCeRmGCD3bm9dh6cQyQ+w5O5zJnK8DjyM4NlEQMZr6oUa2oklpHVI+LgQZkdBx59 /2DOzMhRSdd0UtHAfIJuKmzGm+R4eY5Zr0WsRweHLP76EQwbh11KyvIwTPpme4tYUryQ /wUYNZg29uEHV88mxh/zjmgswLZvOrTDNOxV0QTcSmiPd4AxvsDbYw19bBamW49YHDoP P/AQ== X-Gm-Message-State: ALoCoQk9WGU+566ORga9ONROqYK8JF7Ku2fS0PGgGXmc7j/Ms0UVsBVjRyXSJujWxl+MHtW/3ksp X-Received: by 10.52.190.163 with SMTP id gr3mr6260020vdc.3.1409910891136; Fri, 05 Sep 2014 02:54:51 -0700 (PDT) X-BeenThere: patchwork-forward@linaro.org Received: by 10.140.21.50 with SMTP id 47ls635131qgk.6.gmail; Fri, 05 Sep 2014 02:54:51 -0700 (PDT) X-Received: by 10.220.49.10 with SMTP id t10mr545274vcf.34.1409910891006; Fri, 05 Sep 2014 02:54:51 -0700 (PDT) Received: from mail-vc0-f175.google.com (mail-vc0-f175.google.com [209.85.220.175]) by mx.google.com with ESMTPS id eq5si910161vdd.7.2014.09.05.02.54.50 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 05 Sep 2014 02:54:50 -0700 (PDT) Received-SPF: pass (google.com: domain of patch+caf_=patchwork-forward=linaro.org@linaro.org designates 209.85.220.175 as permitted sender) client-ip=209.85.220.175; Received: by mail-vc0-f175.google.com with SMTP id lf12so12063379vcb.34 for ; Fri, 05 Sep 2014 02:54:50 -0700 (PDT) X-Received: by 10.220.49.10 with SMTP id t10mr545265vcf.34.1409910890894; Fri, 05 Sep 2014 02:54:50 -0700 (PDT) X-Forwarded-To: patchwork-forward@linaro.org X-Forwarded-For: patch@linaro.org patchwork-forward@linaro.org Delivered-To: patch@linaro.org Received: by 10.221.45.67 with SMTP id uj3csp57240vcb; Fri, 5 Sep 2014 02:54:50 -0700 (PDT) X-Received: by 10.229.68.131 with SMTP id v3mr16802363qci.10.1409910890436; Fri, 05 Sep 2014 02:54:50 -0700 (PDT) Received: from lists.xen.org (lists.xen.org. [50.57.142.19]) by mx.google.com with ESMTPS id g6si947127qai.19.2014.09.05.02.54.50 for (version=TLSv1 cipher=RC4-SHA bits=128/128); Fri, 05 Sep 2014 02:54:50 -0700 (PDT) Received-SPF: none (google.com: xen-devel-bounces@lists.xen.org does not designate permitted sender hosts) client-ip=50.57.142.19; Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XPqD2-0007KA-G9; Fri, 05 Sep 2014 09:53:36 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XPqD0-0007Gg-MW for xen-devel@lists.xenproject.org; Fri, 05 Sep 2014 09:53:34 +0000 Received: from [193.109.254.147:60744] by server-10.bemta-14.messagelabs.com id C5/11-01463-E1889045; Fri, 05 Sep 2014 09:53:34 +0000 X-Env-Sender: wangyijing@huawei.com X-Msg-Ref: server-12.tower-27.messagelabs.com!1409910807!13701636!1 X-Originating-IP: [119.145.14.65] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMTE5LjE0NS4xNC42NSA9PiA3NzQ2Mw==\n X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 27189 invoked from network); 5 Sep 2014 09:53:32 -0000 Received: from szxga02-in.huawei.com (HELO szxga02-in.huawei.com) (119.145.14.65) by server-12.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 5 Sep 2014 09:53:32 -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 BZB92821; Fri, 05 Sep 2014 17:45:59 +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; Fri, 5 Sep 2014 17:45:49 +0800 From: Yijing Wang To: Bjorn Helgaas Date: Fri, 5 Sep 2014 18:09:59 +0800 Message-ID: <1409911806-10519-15-git-send-email-wangyijing@huawei.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1409911806-10519-1-git-send-email-wangyijing@huawei.com> References: <1409911806-10519-1-git-send-email-wangyijing@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.100.166] X-CFilter-Loop: Reflected Cc: linux-mips@linux-mips.org, linux-ia64@vger.kernel.org, linux-pci@vger.kernel.org, Bharat.Bhushan@freescale.com, Yijing Wang , sparclinux@vger.kernel.org, linux-arch@vger.kernel.org, linux-s390@vger.kernel.org, Russell King , Joerg Roedel , x86@kernel.org, Sebastian Ott , Benjamin Herrenschmidt , xen-devel@lists.xenproject.org, arnab.basu@freescale.com, Arnd Bergmann , Chris Metcalf , Thomas Gleixner , linux-arm-kernel@lists.infradead.org, Xinwei Hu , Tony Luck , Ralf Baechle , iommu@lists.linux-foundation.org, Wuyun , linuxppc-dev@lists.ozlabs.org, "David S. Miller" Subject: [Xen-devel] [PATCH v1 14/21] MIPS/Xlr/MSI: Use MSI chip framework to configure MSI/MSI-X irq X-BeenThere: xen-devel@lists.xen.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: List-Unsubscribe: , List-Post: , List-Help: , List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org X-Removed-Original-Auth: Dkim didn't pass. X-Original-Sender: wangyijing@huawei.com X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of patch+caf_=patchwork-forward=linaro.org@linaro.org designates 209.85.220.175 as permitted sender) smtp.mail=patch+caf_=patchwork-forward=linaro.org@linaro.org Mailing-list: list patchwork-forward@linaro.org; contact patchwork-forward+owners@linaro.org X-Google-Group-Id: 836684582541 List-Archive: 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 */