From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yijing Wang Subject: [PATCH v1 18/21] IA64/MSI: Use MSI chip framework to configure MSI/MSI-X irq Date: Fri, 5 Sep 2014 18:10:03 +0800 Message-ID: <1409911806-10519-19-git-send-email-wangyijing__25543.6405343518$1409910569$gmane$org@huawei.com> References: <1409911806-10519-1-git-send-email-wangyijing@huawei.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XPq8J-0005P7-UA for xen-devel@lists.xenproject.org; Fri, 05 Sep 2014 09:48:44 +0000 In-Reply-To: <1409911806-10519-1-git-send-email-wangyijing@huawei.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Bjorn Helgaas 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" List-Id: xen-devel@lists.xenproject.org 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/ia64/kernel/msi_ia64.c | 18 ++++++++++++++---- 1 files changed, 14 insertions(+), 4 deletions(-) diff --git a/arch/ia64/kernel/msi_ia64.c b/arch/ia64/kernel/msi_ia64.c index 4efe748..55ac859 100644 --- a/arch/ia64/kernel/msi_ia64.c +++ b/arch/ia64/kernel/msi_ia64.c @@ -112,15 +112,15 @@ static struct irq_chip ia64_msi_chip = { }; -int arch_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *desc) +static int arch_ia64_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc) { if (platform_setup_msi_irq) - return platform_setup_msi_irq(pdev, desc); + return platform_setup_msi_irq(dev, desc); - return ia64_setup_msi_irq(pdev, desc); + return ia64_setup_msi_irq(dev, desc); } -void arch_teardown_msi_irq(unsigned int irq) +static void arch_ia64_teardown_msi_irq(unsigned int irq) { if (platform_teardown_msi_irq) return platform_teardown_msi_irq(irq); @@ -128,6 +128,16 @@ void arch_teardown_msi_irq(unsigned int irq) return ia64_teardown_msi_irq(irq); } +static struct msi_chip chip = { + .setup_irq = arch_ia64_setup_msi_irq, + .teardown_irq = arch_ia64_teardown_msi_irq, +}; + +struct msi_chip *arch_find_msi_chip(struct pci_dev *dev) +{ + return &chip; +} + #ifdef CONFIG_INTEL_IOMMU #ifdef CONFIG_SMP static int dmar_msi_set_affinity(struct irq_data *data, -- 1.7.1