From patchwork Mon Nov 17 10:21:39 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yijing Wang X-Patchwork-Id: 5316921 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 BC875C11AC for ; Mon, 17 Nov 2014 09:47:06 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id D1BCE20123 for ; Mon, 17 Nov 2014 09:47:05 +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 0648B2011E for ; Mon, 17 Nov 2014 09:47:05 +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 1XqIqx-0000XG-MD; Mon, 17 Nov 2014 09:44:11 +0000 Received: from szxga01-in.huawei.com ([119.145.14.64]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1XqIp5-0007GI-Qo for linux-arm-kernel@lists.infradead.org; Mon, 17 Nov 2014 09:42:16 +0000 Received: from 172.24.2.119 (EHLO szxeml462-hub.china.huawei.com) ([172.24.2.119]) by szxrg01-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id CEO10116; Mon, 17 Nov 2014 17:40:42 +0800 (CST) Received: from localhost.localdomain (10.175.100.166) by szxeml462-hub.china.huawei.com (10.82.67.205) with Microsoft SMTP Server id 14.3.158.1; Mon, 17 Nov 2014 17:40:31 +0800 From: Yijing Wang To: Bjorn Helgaas Subject: [RFC PATCH 05/16] PCI: Use pci_scan_root_bus() instead of pci_scan_bus_parented() Date: Mon, 17 Nov 2014 18:21:39 +0800 Message-ID: <1416219710-26088-6-git-send-email-wangyijing@huawei.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1416219710-26088-1-git-send-email-wangyijing@huawei.com> References: <1416219710-26088-1-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-20141117_014216_275005_F9F71ED7 X-CRM114-Status: GOOD ( 11.37 ) X-Spam-Score: -0.7 (/) Cc: Liviu Dudau , Tony Luck , Russell King , linux-pci@vger.kernel.org, x86@kernel.org, linux-kernel@vger.kernel.org, Xinwei Hu , Thierry Reding , Suravee.Suthikulpanit@amd.com, Benjamin Herrenschmidt , Yijing Wang , linux-ia64@vger.kernel.org, Thomas Gleixner , Wuyun , linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org 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=-2.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_LOW, 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 remove the deprecated pci_scan_bus_parented(), and use pci_scan_root_bus() instead. Signed-off-by: Yijing Wang --- drivers/pci/probe.c | 19 ------------------- drivers/pci/xen-pcifront.c | 6 +++--- include/linux/pci.h | 2 -- 3 files changed, 3 insertions(+), 24 deletions(-) diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 97711f3..623bfff 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -2105,25 +2105,6 @@ struct pci_bus *pci_scan_root_bus(struct device *parent, int bus, } EXPORT_SYMBOL(pci_scan_root_bus); -/* Deprecated; use pci_scan_root_bus() instead */ -struct pci_bus *pci_scan_bus_parented(struct device *parent, - int bus, struct pci_ops *ops, void *sysdata) -{ - LIST_HEAD(resources); - struct pci_bus *b; - - pci_add_resource(&resources, &ioport_resource); - pci_add_resource(&resources, &iomem_resource); - pci_add_resource(&resources, &busn_resource); - b = pci_create_root_bus(parent, bus, ops, sysdata, &resources); - if (b) - pci_scan_child_bus(b); - else - pci_free_resource_list(&resources); - return b; -} -EXPORT_SYMBOL(pci_scan_bus_parented); - /** * pci_rescan_bus_bridge_resize - scan a PCI bus for devices. * @bridge: PCI bridge for the bus to scan diff --git a/drivers/pci/xen-pcifront.c b/drivers/pci/xen-pcifront.c index 116ca37..fa2e312 100644 --- a/drivers/pci/xen-pcifront.c +++ b/drivers/pci/xen-pcifront.c @@ -474,8 +474,8 @@ static int pcifront_scan_root(struct pcifront_device *pdev, pci_lock_rescan_remove(); - b = pci_scan_bus_parented(&pdev->xdev->dev, bus, - &pcifront_bus_ops, sd); + b = pci_scan_root_bus(&pdev->xdev->dev, bus, + &pcifront_bus_ops, sd, NULL); if (!b) { dev_err(&pdev->xdev->dev, "Error creating PCI Frontend Bus!\n"); @@ -488,7 +488,7 @@ static int pcifront_scan_root(struct pcifront_device *pdev, list_add(&bus_entry->list, &pdev->root_buses); - /* pci_scan_bus_parented skips devices which do not have a have + /* pci_scan_root_bus skips devices which do not have a have * devfn==0. The pcifront_scan_bus enumerates all devfn. */ err = pcifront_scan_bus(pdev, domain, bus, b); diff --git a/include/linux/pci.h b/include/linux/pci.h index f8045d6..4daef65 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -767,8 +767,6 @@ void pcibios_bus_to_resource(struct pci_bus *bus, struct resource *res, void pcibios_scan_specific_bus(int busn); struct pci_bus *pci_find_bus(int domain, int busnr); void pci_bus_add_devices(const struct pci_bus *bus); -struct pci_bus *pci_scan_bus_parented(struct device *parent, int bus, - struct pci_ops *ops, void *sysdata); struct pci_bus *pci_create_root_bus(struct device *parent, int bus, struct pci_ops *ops, void *sysdata, struct list_head *resources);