From patchwork Tue Apr 21 11:34:47 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yijing Wang X-Patchwork-Id: 6247751 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 [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id DE2EEBF4A6 for ; Tue, 21 Apr 2015 12:06:22 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id B649D202AE for ; Tue, 21 Apr 2015 12:06:21 +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 902362018E for ; Tue, 21 Apr 2015 12:06:20 +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 1YkWte-0002LN-RN; Tue, 21 Apr 2015 12:03:22 +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 1YkWgx-0006qt-Nm for linux-arm-kernel@lists.infradead.org; Tue, 21 Apr 2015 11:50:17 +0000 Received: from 172.24.2.119 (EHLO szxeml431-hub.china.huawei.com) ([172.24.2.119]) by szxrg02-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id CKC39782; Tue, 21 Apr 2015 19:38:25 +0800 (CST) Received: from localhost.localdomain (10.175.100.166) by szxeml431-hub.china.huawei.com (10.82.67.208) with Microsoft SMTP Server id 14.3.158.1; Tue, 21 Apr 2015 19:38:19 +0800 From: Yijing Wang To: Bjorn Helgaas Subject: [PATCH v10 28/29] PCI: Remove platform specific pci_domain_nr() Date: Tue, 21 Apr 2015 19:34:47 +0800 Message-ID: <1429616088-10249-29-git-send-email-wangyijing@huawei.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1429616088-10249-1-git-send-email-wangyijing@huawei.com> References: <1429616088-10249-1-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-20150421_045016_342054_4079F053 X-CRM114-Status: GOOD ( 15.86 ) X-Spam-Score: -2.3 (--) Cc: linux-ia64@vger.kernel.org, linux-pci@vger.kernel.org, Yijing Wang , Guan Xuetao , Russell King , x86@kernel.org, Geert Uytterhoeven , Benjamin Herrenschmidt , Arnd Bergmann , Marc Zyngier , Rusty Russell , linux-m68k@lists.linux-m68k.org, Thomas Gleixner , Yinghai Lu , linux-arm-kernel@lists.infradead.org, dja@axtens.net, Liviu Dudau , Tony Luck , linux-kernel@vger.kernel.org, Jiang Liu , linux-alpha@vger.kernel.org, "David S. Miller" 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=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, 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 pci_host_bridge holds the domain number, so we could eliminate all platform specific pci_domain_nr(). Signed-off-by: Yijing Wang --- arch/alpha/include/asm/pci.h | 2 -- arch/ia64/include/asm/pci.h | 1 - arch/microblaze/pci/pci-common.c | 11 ----------- arch/mips/include/asm/pci.h | 2 -- arch/powerpc/kernel/pci-common.c | 11 ----------- arch/s390/pci/pci.c | 6 ------ arch/sh/include/asm/pci.h | 2 -- arch/sparc/kernel/pci.c | 17 ----------------- arch/tile/include/asm/pci.h | 2 -- arch/x86/include/asm/pci.h | 6 ------ drivers/pci/host-bridge.c | 10 ++++++++++ include/linux/pci.h | 7 +------ 12 files changed, 11 insertions(+), 66 deletions(-) diff --git a/arch/alpha/include/asm/pci.h b/arch/alpha/include/asm/pci.h index f7f680f..63a9a1e 100644 --- a/arch/alpha/include/asm/pci.h +++ b/arch/alpha/include/asm/pci.h @@ -95,8 +95,6 @@ static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) return channel ? 15 : 14; } -#define pci_domain_nr(bus) ((struct pci_controller *)(bus)->sysdata)->index - static inline int pci_proc_domain(struct pci_bus *bus) { struct pci_controller *hose = bus->sysdata; diff --git a/arch/ia64/include/asm/pci.h b/arch/ia64/include/asm/pci.h index 52af5ed..1dcea49 100644 --- a/arch/ia64/include/asm/pci.h +++ b/arch/ia64/include/asm/pci.h @@ -99,7 +99,6 @@ struct pci_controller { #define PCI_CONTROLLER(busdev) ((struct pci_controller *) busdev->sysdata) -#define pci_domain_nr(busdev) (PCI_CONTROLLER(busdev)->segment) extern struct pci_ops pci_root_ops; diff --git a/arch/microblaze/pci/pci-common.c b/arch/microblaze/pci/pci-common.c index d232c8a..6f64908 100644 --- a/arch/microblaze/pci/pci-common.c +++ b/arch/microblaze/pci/pci-common.c @@ -123,17 +123,6 @@ unsigned long pci_address_to_pio(phys_addr_t address) } EXPORT_SYMBOL_GPL(pci_address_to_pio); -/* - * Return the domain number for this bus. - */ -int pci_domain_nr(struct pci_bus *bus) -{ - struct pci_controller *hose = pci_bus_to_host(bus); - - return hose->global_number; -} -EXPORT_SYMBOL(pci_domain_nr); - /* This routine is meant to be used early during boot, when the * PCI bus numbers have not yet been assigned, and you need to * issue PCI config cycles to an OF device. diff --git a/arch/mips/include/asm/pci.h b/arch/mips/include/asm/pci.h index 193b4c6..2e4d808 100644 --- a/arch/mips/include/asm/pci.h +++ b/arch/mips/include/asm/pci.h @@ -122,8 +122,6 @@ static inline void pci_dma_burst_advice(struct pci_dev *pdev, #endif #ifdef CONFIG_PCI_DOMAINS -#define pci_domain_nr(bus) ((struct pci_controller *)(bus)->sysdata)->index - static inline int pci_proc_domain(struct pci_bus *bus) { struct pci_controller *hose = bus->sysdata; diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c index 3210495..a746ef5 100644 --- a/arch/powerpc/kernel/pci-common.c +++ b/arch/powerpc/kernel/pci-common.c @@ -181,17 +181,6 @@ unsigned long pci_address_to_pio(phys_addr_t address) } EXPORT_SYMBOL_GPL(pci_address_to_pio); -/* - * Return the domain number for this bus. - */ -int pci_domain_nr(struct pci_bus *bus) -{ - struct pci_controller *hose = pci_bus_to_host(bus); - - return hose->global_number; -} -EXPORT_SYMBOL(pci_domain_nr); - /* This routine is meant to be used early during boot, when the * PCI bus numbers have not yet been assigned, and you need to * issue PCI config cycles to an OF device. diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c index d70b2db..13a242b 100644 --- a/arch/s390/pci/pci.c +++ b/arch/s390/pci/pci.c @@ -101,12 +101,6 @@ static struct zpci_dev *get_zdev_by_bus(struct pci_bus *bus) return (bus && bus->sysdata) ? (struct zpci_dev *) bus->sysdata : NULL; } -int pci_domain_nr(struct pci_bus *bus) -{ - return ((struct zpci_dev *) bus->sysdata)->domain; -} -EXPORT_SYMBOL_GPL(pci_domain_nr); - int pci_proc_domain(struct pci_bus *bus) { return pci_domain_nr(bus); diff --git a/arch/sh/include/asm/pci.h b/arch/sh/include/asm/pci.h index 5b45115..4dc3ad6 100644 --- a/arch/sh/include/asm/pci.h +++ b/arch/sh/include/asm/pci.h @@ -109,8 +109,6 @@ static inline void pci_dma_burst_advice(struct pci_dev *pdev, /* Board-specific fixup routines. */ int pcibios_map_platform_irq(const struct pci_dev *dev, u8 slot, u8 pin); -#define pci_domain_nr(bus) ((struct pci_channel *)(bus)->sysdata)->index - static inline int pci_proc_domain(struct pci_bus *bus) { struct pci_channel *hose = bus->sysdata; diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c index 9feaa77..389b889 100644 --- a/arch/sparc/kernel/pci.c +++ b/arch/sparc/kernel/pci.c @@ -905,23 +905,6 @@ int pcibus_to_node(struct pci_bus *pbus) EXPORT_SYMBOL(pcibus_to_node); #endif -/* Return the domain number for this pci bus */ - -int pci_domain_nr(struct pci_bus *pbus) -{ - struct pci_pbm_info *pbm = pbus->sysdata; - int ret; - - if (!pbm) { - ret = -ENXIO; - } else { - ret = pbm->index; - } - - return ret; -} -EXPORT_SYMBOL(pci_domain_nr); - #ifdef CONFIG_PCI_MSI int arch_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *desc) { diff --git a/arch/tile/include/asm/pci.h b/arch/tile/include/asm/pci.h index dfedd7a..23a726e 100644 --- a/arch/tile/include/asm/pci.h +++ b/arch/tile/include/asm/pci.h @@ -199,8 +199,6 @@ int __init pcibios_init(void); void pcibios_fixup_bus(struct pci_bus *bus); -#define pci_domain_nr(bus) (((struct pci_controller *)(bus)->sysdata)->index) - /* * This decides whether to display the domain number in /proc. */ diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h index 4e370a5..4fe0458 100644 --- a/arch/x86/include/asm/pci.h +++ b/arch/x86/include/asm/pci.h @@ -29,12 +29,6 @@ extern int noioapicreroute; #ifdef CONFIG_PCI #ifdef CONFIG_PCI_DOMAINS -static inline int pci_domain_nr(struct pci_bus *bus) -{ - struct pci_sysdata *sd = bus->sysdata; - return sd->domain; -} - static inline int pci_proc_domain(struct pci_bus *bus) { return pci_domain_nr(bus); diff --git a/drivers/pci/host-bridge.c b/drivers/pci/host-bridge.c index af539c4..5ae9ab8 100644 --- a/drivers/pci/host-bridge.c +++ b/drivers/pci/host-bridge.c @@ -182,6 +182,16 @@ void pci_put_host_bridge_device(struct device *dev) kobject_put(&dev->kobj); } +#ifdef CONFIG_PCI_DOMAINS +int pci_domain_nr(struct pci_bus *bus) +{ + struct pci_host_bridge *host = pci_find_host_bridge(bus); + + return host->domain; +} +EXPORT_SYMBOL(pci_domain_nr); +#endif + void pci_set_host_bridge_release(struct pci_host_bridge *bridge, void (*release_fn)(struct pci_host_bridge *), void *release_data) diff --git a/include/linux/pci.h b/include/linux/pci.h index 7a9bd2d..1ea69c7 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1323,6 +1323,7 @@ void pci_cfg_access_unlock(struct pci_dev *dev); #ifdef CONFIG_PCI_DOMAINS extern int pci_domains_supported; int pci_get_new_domain_nr(void); +int pci_domain_nr(struct pci_bus *bus); #else enum { pci_domains_supported = 0 }; static inline int pci_domain_nr(struct pci_bus *bus) { return 0; } @@ -1335,12 +1336,6 @@ static inline int pci_get_new_domain_nr(void) { return -ENOSYS; } * architecture does not need custom management of PCI * domains then this implementation will be used */ -#ifdef CONFIG_PCI_DOMAINS_GENERIC -static inline int pci_domain_nr(struct pci_bus *bus) -{ - return bus->domain_nr; -} -#endif /* some architectures require additional setup to direct VGA traffic */ typedef int (*arch_set_vga_state_t)(struct pci_dev *pdev, bool decode,