From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from aserp1040.oracle.com ([141.146.126.69]:31717 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752355Ab3KTBwo (ORCPT ); Tue, 19 Nov 2013 20:52:44 -0500 From: Yinghai Lu To: Bjorn Helgaas Cc: Gu Zheng , Guo Chao , linux-pci@vger.kernel.org, Yinghai Lu Subject: [PATCH 5/6] PCI: Add pcibios_bus_addr_to_res() Date: Tue, 19 Nov 2013 17:51:56 -0800 Message-Id: <1384912317-3721-6-git-send-email-yinghai@kernel.org> In-Reply-To: <1384912317-3721-1-git-send-email-yinghai@kernel.org> References: <1384912317-3721-1-git-send-email-yinghai@kernel.org> Sender: linux-pci-owner@vger.kernel.org List-ID: it takes addr and return converted address only. Signed-off-by: Yinghai Lu --- drivers/pci/host-bridge.c | 14 ++++++++++++++ include/linux/pci.h | 2 ++ 2 files changed, 16 insertions(+) diff --git a/drivers/pci/host-bridge.c b/drivers/pci/host-bridge.c index 2e7288b..c911adb 100644 --- a/drivers/pci/host-bridge.c +++ b/drivers/pci/host-bridge.c @@ -102,3 +102,17 @@ void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res, __pcibios_bus_to_resource(dev->bus, res, region); } EXPORT_SYMBOL(pcibios_bus_to_resource); + +resource_size_t pcibios_bus_addr_to_res(struct pci_bus *bus, int flags, + resource_size_t addr) +{ + struct pci_bus_region region; + struct resource r; + + r.flags = flags; + region.start = addr; + region.end = addr; + __pcibios_bus_to_resource(bus, &r, ®ion); + + return r.end; +} diff --git a/include/linux/pci.h b/include/linux/pci.h index 55ee90f..3c6e399 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -745,6 +745,8 @@ void pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region, struct resource *res); void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res, struct pci_bus_region *region); +resource_size_t pcibios_bus_addr_to_res(struct pci_bus *bus, int flags, + resource_size_t addr); 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); -- 1.8.1.4