From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Yinghai Lu To: Bjorn Helgaas , Ram Pai Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Yinghai Lu Subject: [PATCH v3 23/27] PCI: Update pci_resource_bar() to support addon_resource Date: Wed, 13 Mar 2013 16:28:18 -0700 Message-Id: <1363217302-14383-24-git-send-email-yinghai@kernel.org> In-Reply-To: <1363217302-14383-1-git-send-email-yinghai@kernel.org> References: <1363217302-14383-1-git-send-email-yinghai@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: Need to loop addon resource list to retrieve reg_addr in it. Signed-off-by: Yinghai Lu --- drivers/pci/pci.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index dca6c1a1..7dca4f1 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -3613,6 +3613,13 @@ int pci_resource_bar(struct pci_dev *dev, int resno, enum pci_bar_type *type) reg = pci_iov_resource_bar(dev, resno, type); if (reg) return reg; + } else if (resno >= PCI_NUM_RESOURCES) { + struct resource *res = pci_dev_resource_n(dev, resno); + + if (res) { + *type = pci_bar_unknown; + return to_pci_dev_addon_resource(res)->reg_addr; + } } dev_err(&dev->dev, "BAR %d: invalid resource\n", resno); -- 1.7.10.4