Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757981AbZJFPp6 (ORCPT ); Tue, 6 Oct 2009 11:45:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756103AbZJFPp5 (ORCPT ); Tue, 6 Oct 2009 11:45:57 -0400 Received: from mailserv58-us.natinst.com ([130.164.14.247]:4636 "EHLO mailserv58-us.natinst.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755772AbZJFPp5 (ORCPT ); Tue, 6 Oct 2009 11:45:57 -0400 From: Gabe Black To: jbarnes@virtuousgeek.org Cc: shawn.bohrer@ni.com, mike.hoogendyk@ni.com, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Gabe Black Subject: [PATCH] Populate subsystem vendor and device IDs for PCI-Bridges Date: Tue, 6 Oct 2009 10:45:19 -0500 Message-Id: <1254843919-13809-1-git-send-email-gabe.black@ni.com> X-Mailer: git-send-email 1.6.0.4 X-MIMETrack: Itemize by SMTP Server on MailServ58-US/AUS/H/NIC(Release 8.0.2 FP2|June 23, 2009) at 10/06/2009 10:45:19 AM, Serialize by Router on MailServ58-US/AUS/H/NIC(Release 8.0.2 FP2|June 23, 2009) at 10/06/2009 10:46:01 AM, Serialize complete at 10/06/2009 10:46:01 AM Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2096 Lines: 58 Change to populate the subsystem vendor and subsytem device IDs for PCI-PCI bridges that implement the PCI Subsystem Vendor ID capability. Previously bridges left subsystem vendor IDs unpopulated. Signed-off-by: Gabe Black --- drivers/pci/probe.c | 6 ++++++ include/linux/pci_regs.h | 5 +++++ 2 files changed, 11 insertions(+), 0 deletions(-) diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 8105e32..6d90246 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -731,6 +731,7 @@ int pci_setup_device(struct pci_dev *dev) u32 class; u8 hdr_type; struct pci_slot *slot; + int pos = 0; if (pci_read_config_byte(dev, PCI_HEADER_TYPE, &hdr_type)) return -EIO; @@ -822,6 +823,11 @@ int pci_setup_device(struct pci_dev *dev) dev->transparent = ((dev->class & 0xff) == 1); pci_read_bases(dev, 2, PCI_ROM_ADDRESS1); set_pcie_hotplug_bridge(dev); + pos = pci_find_capability(dev, PCI_CAP_ID_SSVID); + if (pos) { + pci_read_config_word(dev, pos + PCI_SSVID_VENDOR_ID, &dev->subsystem_vendor); + pci_read_config_word(dev, pos + PCI_SSVID_DEVICE_ID, &dev->subsystem_device); + } break; case PCI_HEADER_TYPE_CARDBUS: /* CardBus bridge header */ diff --git a/include/linux/pci_regs.h b/include/linux/pci_regs.h index dd0bed4..d3b0cfb 100644 --- a/include/linux/pci_regs.h +++ b/include/linux/pci_regs.h @@ -365,6 +365,11 @@ #define PCI_X_STATUS_266MHZ 0x40000000 /* 266 MHz capable */ #define PCI_X_STATUS_533MHZ 0x80000000 /* 533 MHz capable */ +/* PCI Bridge Subsystem ID registers */ + +#define PCI_SSVID_VENDOR_ID 4 /* PCI-Bridge subsystem vendor id register */ +#define PCI_SSVID_DEVICE_ID 6 /* PCI-Bridge subsystem device id register */ + /* PCI Express capability registers */ #define PCI_EXP_FLAGS 2 /* Capabilities register */ -- 1.6.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/