From patchwork Wed Oct 15 03:07:03 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yijing Wang X-Patchwork-Id: 5083461 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id B731CC11AC for ; Wed, 15 Oct 2014 02:38:22 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id BF08D20127 for ; Wed, 15 Oct 2014 02:38:21 +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 B89A0200ED for ; Wed, 15 Oct 2014 02:38:20 +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 1XeERO-0005ob-2e; Wed, 15 Oct 2014 02:35:54 +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 1XeELm-0006k9-So for linux-arm-kernel@lists.infradead.org; Wed, 15 Oct 2014 02:30:08 +0000 Received: from 172.24.2.119 (EHLO szxeml412-hub.china.huawei.com) ([172.24.2.119]) by szxrg02-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id CAT35394; Wed, 15 Oct 2014 10:25:48 +0800 (CST) Received: from localhost.localdomain (10.175.100.166) by szxeml412-hub.china.huawei.com (10.82.67.91) with Microsoft SMTP Server id 14.3.158.1; Wed, 15 Oct 2014 10:25:39 +0800 From: Yijing Wang To: Bjorn Helgaas Subject: [PATCH v3 15/27] x86/MSI: Remove unused MSI weak arch functions Date: Wed, 15 Oct 2014 11:07:03 +0800 Message-ID: <1413342435-7876-16-git-send-email-wangyijing@huawei.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1413342435-7876-1-git-send-email-wangyijing@huawei.com> References: <1413342435-7876-1-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-20141014_193007_310278_E6E9EC5F X-CRM114-Status: GOOD ( 11.69 ) X-Spam-Score: -0.7 (/) Cc: linux-mips@linux-mips.org, linux-ia64@vger.kernel.org, linux-pci@vger.kernel.org, Bharat.Bhushan@freescale.com, Yijing Wang , Thierry Reding , sparclinux@vger.kernel.org, linux-arch@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, arnab.basu@freescale.com, Liviu Dudau , Arnd Bergmann , Konrad Rzeszutek Wilk , Chris Metcalf , Thomas Gleixner , linux-arm-kernel@lists.infradead.org, Thomas Petazzoni , Xinwei Hu , 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=-1.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE, T_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 Now we can clean up MSI weak arch functions in x86. Signed-off-by: Yijing Wang --- arch/x86/include/asm/pci.h | 5 +---- arch/x86/include/asm/x86_init.h | 4 ---- arch/x86/kernel/apic/io_apic.c | 21 +++++---------------- arch/x86/kernel/x86_init.c | 24 ------------------------ 4 files changed, 6 insertions(+), 48 deletions(-) diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h index f41b58a..3a5cf19 100644 --- a/arch/x86/include/asm/pci.h +++ b/arch/x86/include/asm/pci.h @@ -108,14 +108,11 @@ extern void pci_iommu_alloc(void); #ifdef CONFIG_PCI_MSI /* implemented in arch/x86/kernel/apic/io_apic. */ struct msi_desc; -int native_setup_msi_irqs(struct pci_dev *dev, int nvec, int type); -void native_teardown_msi_irq(unsigned int irq); -void native_restore_msi_irqs(struct pci_dev *dev); +void native_teardown_msi_irq(struct msi_chip *chip, unsigned int irq); int setup_msi_irq(struct pci_dev *dev, struct msi_desc *msidesc, unsigned int irq_base, unsigned int irq_offset); extern struct msi_chip *x86_msi_chip; #else -#define native_setup_msi_irqs NULL #define native_teardown_msi_irq NULL #endif diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h index f58a9c7..2514f67 100644 --- a/arch/x86/include/asm/x86_init.h +++ b/arch/x86/include/asm/x86_init.h @@ -174,13 +174,9 @@ struct pci_dev; struct msi_msg; struct x86_msi_ops { - int (*setup_msi_irqs)(struct pci_dev *dev, int nvec, int type); void (*compose_msi_msg)(struct pci_dev *dev, unsigned int irq, unsigned int dest, struct msi_msg *msg, u8 hpet_id); - void (*teardown_msi_irq)(unsigned int irq); - void (*teardown_msi_irqs)(struct pci_dev *dev); - void (*restore_msi_irqs)(struct pci_dev *dev); int (*setup_hpet_msi)(unsigned int irq, unsigned int id); }; diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index ec79b38..11d353f 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -3200,7 +3200,8 @@ int setup_msi_irq(struct pci_dev *dev, struct msi_desc *msidesc, return 0; } -int native_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) +static int native_setup_msi_irqs(struct msi_chip *chip, + struct pci_dev *dev, int nvec, int type) { struct msi_desc *msidesc; unsigned int irq; @@ -3227,26 +3228,14 @@ int native_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) return 0; } -static int __native_setup_msi_irqs(struct msi_chip *chip, - struct pci_dev *dev, int nvec, int type) -{ - return native_setup_msi_irqs(dev, nvec, type); -} - -void native_teardown_msi_irq(unsigned int irq) +void native_teardown_msi_irq(struct msi_chip *chip, unsigned int irq) { irq_free_hwirq(irq); } -static void __native_teardown_msi_irq(struct msi_chip *chip, - unsigned int irq) -{ - native_teardown_msi_irq(irq); -} - static struct msi_chip native_msi_chip = { - .setup_irqs = __native_setup_msi_irqs, - .teardown_irq = __native_teardown_msi_irq, + .setup_irqs = native_setup_msi_irqs, + .teardown_irq = native_teardown_msi_irq, }; struct msi_chip *x86_msi_chip = &native_msi_chip; diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c index 234b072..cc32568 100644 --- a/arch/x86/kernel/x86_init.c +++ b/arch/x86/kernel/x86_init.c @@ -110,34 +110,10 @@ EXPORT_SYMBOL_GPL(x86_platform); #if defined(CONFIG_PCI_MSI) struct x86_msi_ops x86_msi = { - .setup_msi_irqs = native_setup_msi_irqs, .compose_msi_msg = native_compose_msi_msg, - .teardown_msi_irq = native_teardown_msi_irq, - .teardown_msi_irqs = default_teardown_msi_irqs, - .restore_msi_irqs = default_restore_msi_irqs, .setup_hpet_msi = default_setup_hpet_msi, }; -/* MSI arch specific hooks */ -int arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) -{ - return x86_msi.setup_msi_irqs(dev, nvec, type); -} - -void arch_teardown_msi_irqs(struct pci_dev *dev) -{ - x86_msi.teardown_msi_irqs(dev); -} - -void arch_teardown_msi_irq(unsigned int irq) -{ - x86_msi.teardown_msi_irq(irq); -} - -void arch_restore_msi_irqs(struct pci_dev *dev) -{ - x86_msi.restore_msi_irqs(dev); -} #endif struct x86_io_apic_ops x86_io_apic_ops = {