From patchwork Mon Oct 27 13:22:14 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yijing Wang X-Patchwork-Id: 5160631 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 0DB329F318 for ; Mon, 27 Oct 2014 12:51:35 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 353F6201CE for ; Mon, 27 Oct 2014 12:51:34 +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 59BA32012D for ; Mon, 27 Oct 2014 12:51:33 +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 1XijjB-0001q4-KU; Mon, 27 Oct 2014 12:48:53 +0000 Received: from szxga02-in.huawei.com ([119.145.14.65]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Xijeq-0004wb-NU for linux-arm-kernel@lists.infradead.org; Mon, 27 Oct 2014 12:44:26 +0000 Received: from 172.24.2.119 (EHLO szxeml404-hub.china.huawei.com) ([172.24.2.119]) by szxrg02-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id CBJ49239; Mon, 27 Oct 2014 20:41:33 +0800 (CST) Received: from localhost.localdomain (10.175.100.166) by szxeml404-hub.china.huawei.com (10.82.67.59) with Microsoft SMTP Server id 14.3.158.1; Mon, 27 Oct 2014 20:41:25 +0800 From: Yijing Wang To: Bjorn Helgaas Subject: [PATCH 08/16] MIPS/Xlp/MSI: Use MSI controller framework to configure MSI/MSI-X irq Date: Mon, 27 Oct 2014 21:22:14 +0800 Message-ID: <1414416142-31239-9-git-send-email-wangyijing@huawei.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1414416142-31239-1-git-send-email-wangyijing@huawei.com> References: <1414416142-31239-1-git-send-email-wangyijing@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.100.166] X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20141027_054425_135860_191A9D87 X-CRM114-Status: GOOD ( 12.81 ) X-Spam-Score: -1.3 (-) Cc: linux-mips@linux-mips.org, linux-ia64@vger.kernel.org, linux-pci@vger.kernel.org, Xinwei Hu , Yijing Wang , Thierry Reding , sparclinux@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, Konrad Rzeszutek Wilk , Chris Metcalf , Thomas Gleixner , linux-arm-kernel@lists.infradead.org, Thomas Petazzoni , 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=-2.5 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 controller 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/include/asm/netlogic/xlp-hal/pcibus.h | 1 + arch/mips/pci/msi-xlp.c | 11 +++++++++-- arch/mips/pci/pci-xlp.c | 3 +++ 3 files changed, 13 insertions(+), 2 deletions(-) diff --git a/arch/mips/include/asm/netlogic/xlp-hal/pcibus.h b/arch/mips/include/asm/netlogic/xlp-hal/pcibus.h index 91540f4..8e6869a 100644 --- a/arch/mips/include/asm/netlogic/xlp-hal/pcibus.h +++ b/arch/mips/include/asm/netlogic/xlp-hal/pcibus.h @@ -103,6 +103,7 @@ #ifdef CONFIG_PCI_MSI void xlp_init_node_msi_irqs(int node, int link); +extern struct msi_controller xlp_msi_ctrl; #else static inline void xlp_init_node_msi_irqs(int node, int link) {} #endif diff --git a/arch/mips/pci/msi-xlp.c b/arch/mips/pci/msi-xlp.c index fa374fe..d18a162 100644 --- a/arch/mips/pci/msi-xlp.c +++ b/arch/mips/pci/msi-xlp.c @@ -245,7 +245,8 @@ static struct irq_chip xlp_msix_chip = { .irq_unmask = unmask_msi_irq, }; -void arch_teardown_msi_irq(unsigned int irq) +static void xlp_teardown_msi_irq(struct msi_controller *ctrl, + unsigned int irq) { } @@ -452,7 +453,8 @@ static int xlp_setup_msix(uint64_t lnkbase, int node, int link, return 0; } -int arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc) +static int xlp_setup_msi_irq(struct msi_controller *ctrl, + struct pci_dev *dev, struct msi_desc *desc) { struct pci_dev *lnkdev; uint64_t lnkbase; @@ -474,6 +476,11 @@ int arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc) return xlp_setup_msi(lnkbase, node, link, desc); } +struct msi_controller xlp_msi_ctrl = { + .setup_irq = xlp_setup_msi_irq, + .teardown_irq = xlp_teardown_msi_irq, +}; + void __init xlp_init_node_msi_irqs(int node, int link) { struct nlm_soc_info *nodep; diff --git a/arch/mips/pci/pci-xlp.c b/arch/mips/pci/pci-xlp.c index 7babf01..ab80417 100644 --- a/arch/mips/pci/pci-xlp.c +++ b/arch/mips/pci/pci-xlp.c @@ -174,6 +174,9 @@ struct pci_controller nlm_pci_controller = { .mem_offset = 0x00000000UL, .io_resource = &nlm_pci_io_resource, .io_offset = 0x00000000UL, +#ifdef CONFIG_PCI_MSI + .msi_ctrl = &xlp_msi_ctrl, +#endif }; struct pci_dev *xlp_get_pcie_link(const struct pci_dev *dev)