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authorMyron Stowe <myron.stowe@redhat.com>2013-01-25 17:55:39 -0700
committerBjorn Helgaas <bhelgaas@google.com>2013-01-30 21:24:05 -0700
commit7c9c003c68de51fb8712a01e904444ef40c742f5 (patch)
treeb552544c5c2d59b8e94199ccc75fd782c5a68ee8
parent10c463a7a3b96285133c37e230781a1274abbd31 (diff)
downloadop-kernel-dev-7c9c003c68de51fb8712a01e904444ef40c742f5.zip
op-kernel-dev-7c9c003c68de51fb8712a01e904444ef40c742f5.tar.gz
PCI: Introduce accessor to retrieve PCIe Capabilities Register
Provide an accessor to retrieve the PCI Express device's Capabilities Register. Signed-off-by: Myron Stowe <myron.stowe@redhat.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
-rw-r--r--include/linux/pci.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 15472d6..78581e1 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1693,6 +1693,15 @@ static inline bool pci_is_pcie(struct pci_dev *dev)
}
/**
+ * pcie_caps_reg - get the PCIe Capabilities Register
+ * @dev: PCI device
+ */
+static inline u16 pcie_caps_reg(const struct pci_dev *dev)
+{
+ return dev->pcie_flags_reg;
+}
+
+/**
* pci_pcie_type - get the PCIe device/port type
* @dev: PCI device
*/
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