From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753456AbaIYCxb (ORCPT ); Wed, 24 Sep 2014 22:53:31 -0400 Received: from szxga03-in.huawei.com ([119.145.14.66]:62179 "EHLO szxga03-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752602AbaIYCu6 (ORCPT ); Wed, 24 Sep 2014 22:50:58 -0400 From: Yijing Wang To: Bjorn Helgaas CC: , , Xinwei Hu , Wuyun , , Russell King , , , , , Arnd Bergmann , Thomas Gleixner , "Konrad Rzeszutek Wilk" , , Joerg Roedel , , , Benjamin Herrenschmidt , , , Sebastian Ott , "Tony Luck" , , "David S. Miller" , , Chris Metcalf , Ralf Baechle , Lucas Stach , David Vrabel , "Sergei Shtylyov" , Michael Ellerman , Thierry Reding , "Thomas Petazzoni" , Yijing Wang Subject: [PATCH v2 16/22] Powerpc/MSI: Use MSI chip framework to configure MSI/MSI-X irq Date: Thu, 25 Sep 2014 11:14:26 +0800 Message-ID: <1411614872-4009-17-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 Content-Type: text/plain X-Originating-IP: [10.175.100.166] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020209.5423830D.0090,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: 3e65dd5cf40bdcae690e26bb4f085116 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.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 Acked-by: Michael Ellerman --- arch/powerpc/kernel/msi.c | 14 ++++++++++++-- 1 files changed, 12 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/kernel/msi.c b/arch/powerpc/kernel/msi.c index 71bd161..01781a4 100644 --- a/arch/powerpc/kernel/msi.c +++ b/arch/powerpc/kernel/msi.c @@ -13,7 +13,7 @@ #include -int arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) +static int ppc_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) { if (!ppc_md.setup_msi_irqs || !ppc_md.teardown_msi_irqs) { pr_debug("msi: Platform doesn't provide MSI callbacks.\n"); @@ -27,7 +27,17 @@ int arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) return ppc_md.setup_msi_irqs(dev, nvec, type); } -void arch_teardown_msi_irqs(struct pci_dev *dev) +static void ppc_teardown_msi_irqs(struct pci_dev *dev) { ppc_md.teardown_msi_irqs(dev); } + +static struct msi_chip ppc_msi_chip = { + .setup_irqs = ppc_setup_msi_irqs, + .teardown_irqs = ppc_teardown_msi_irqs, +}; + +struct msi_chip *arch_find_msi_chip(struct pci_dev *dev) +{ + return &ppc_msi_chip; +} -- 1.7.1