From patchwork Fri May 10 21:18:58 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alex Williamson X-Patchwork-Id: 2552261 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: X-Original-To: patchwork-linux-pci@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork2.kernel.org (Postfix) with ESMTP id 73EB4DF2A2 for ; Fri, 10 May 2013 21:19:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755491Ab3EJVTX (ORCPT ); Fri, 10 May 2013 17:19:23 -0400 Received: from mx1.redhat.com ([209.132.183.28]:24696 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754670Ab3EJVTU (ORCPT ); Fri, 10 May 2013 17:19:20 -0400 Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id r4ALIx5F022738 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 10 May 2013 17:18:59 -0400 Received: from bling.home (ovpn-113-58.phx2.redhat.com [10.3.113.58]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id r4ALIw8s031933; Fri, 10 May 2013 17:18:58 -0400 Subject: [PATCH 3/3] pci: Remove pci_find_pcie_upstream_bridge To: bhelgaas@google.com, stephen@networkplumber.org From: Alex Williamson Cc: linux-pci@vger.kernel.org, iommu@lists.linux-foundation.org, dwmw2@infradead.org, ddutile@redhat.com Date: Fri, 10 May 2013 15:18:58 -0600 Message-ID: <20130510211858.32592.20890.stgit@bling.home> In-Reply-To: <20130510210937.32592.21950.stgit@bling.home> References: <20130510210937.32592.21950.stgit@bling.home> User-Agent: StGit/0.16 MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org This function no longer has any users. Signed-off-by: Alex williamson --- drivers/pci/search.c | 35 ----------------------------------- include/linux/pci.h | 11 ----------- 2 files changed, 46 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/drivers/pci/search.c b/drivers/pci/search.c index 0357f74..bdbff05 100644 --- a/drivers/pci/search.c +++ b/drivers/pci/search.c @@ -74,41 +74,6 @@ struct pci_dev *pci_walk_up_to_first_match(struct pci_dev *pdev, return NULL; } -/* - * find the upstream PCIe-to-PCI bridge of a PCI device - * if the device is PCIE, return NULL - * if the device isn't connected to a PCIe bridge (that is its parent is a - * legacy PCI bridge and the bridge is directly connected to bus 0), return its - * parent - */ -struct pci_dev * -pci_find_upstream_pcie_bridge(struct pci_dev *pdev) -{ - struct pci_dev *tmp = NULL; - - if (pci_is_pcie(pdev)) - return NULL; - while (1) { - if (pci_is_root_bus(pdev->bus)) - break; - pdev = pdev->bus->self; - /* a p2p bridge */ - if (!pci_is_pcie(pdev)) { - tmp = pdev; - continue; - } - /* PCI device should connect to a PCIe bridge */ - if (pci_pcie_type(pdev) != PCI_EXP_TYPE_PCI_BRIDGE) { - /* Busted hardware? */ - WARN_ON_ONCE(1); - return NULL; - } - return pdev; - } - - return tmp; -} - static struct pci_bus *pci_do_find_bus(struct pci_bus *bus, unsigned char busnr) { struct pci_bus* child; diff --git a/include/linux/pci.h b/include/linux/pci.h index e87423a..9d9dcf5 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1877,15 +1877,4 @@ struct pci_dev *pci_walk_up_to_first_match(struct pci_dev *pdev, */ bool pci_is_pcie_bridge(struct pci_dev *pdev); -/** - * pci_find_upstream_pcie_bridge - find upstream PCIe-to-PCI bridge of a device - * @pdev: the PCI device - * - * if the device is PCIE, return NULL - * if the device isn't connected to a PCIe bridge (that is its parent is a - * legacy PCI bridge and the bridge is directly connected to bus 0), return its - * parent - */ -struct pci_dev *pci_find_upstream_pcie_bridge(struct pci_dev *pdev); - #endif /* LINUX_PCI_H */