From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753324AbaIYCwn (ORCPT ); Wed, 24 Sep 2014 22:52:43 -0400 Received: from szxga03-in.huawei.com ([119.145.14.66]:62182 "EHLO szxga03-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752686AbaIYCu7 (ORCPT ); Wed, 24 Sep 2014 22:50:59 -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 17/22] s390/MSI: Use MSI chip framework to configure MSI/MSI-X irq Date: Thu, 25 Sep 2014 11:14:27 +0800 Message-ID: <1411614872-4009-18-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=0001.0A020209.5423830E.001C,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: 890479f62c42a883b34244d909f528c3 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: Sebastian Ott --- arch/s390/pci/pci.c | 14 ++++++++++++-- 1 files changed, 12 insertions(+), 2 deletions(-) diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c index 552b990..da5316e 100644 --- a/arch/s390/pci/pci.c +++ b/arch/s390/pci/pci.c @@ -358,7 +358,7 @@ static void zpci_irq_handler(struct airq_struct *airq) } } -int arch_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type) +int zpci_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type) { struct zpci_dev *zdev = get_zdev(pdev); unsigned int hwirq, msi_vecs; @@ -434,7 +434,7 @@ out: return rc; } -void arch_teardown_msi_irqs(struct pci_dev *pdev) +static void zpci_teardown_msi_irqs(struct pci_dev *pdev) { struct zpci_dev *zdev = get_zdev(pdev); struct msi_desc *msi; @@ -464,6 +464,16 @@ void arch_teardown_msi_irqs(struct pci_dev *pdev) airq_iv_free_bit(zpci_aisb_iv, zdev->aisb); } +static struct msi_chip zpci_msi_chip = { + .setup_irqs = zpci_setup_msi_irqs, + .teardown_irqs = zpci_teardown_msi_irqs, +}; + +struct msi_chip *arch_find_msi_chip(struct pci_dev *dev) +{ + return &zpci_msi_chip; +} + static void zpci_map_resources(struct zpci_dev *zdev) { struct pci_dev *pdev = zdev->pdev; -- 1.7.1