[PATCH 1/2] PCI: introduce accessor to retrieve PCIe CapabilitiesRegister

From: Myron Stowe
Date: Fri Jan 25 2013 - 19:55:34 EST


Provide an accessor to retrieve the PCI Express device's Capabilities
Register.

Signed-off-by: Myron Stowe <myron.stowe@xxxxxxxxxx>
---

include/linux/pci.h | 9 +++++++++
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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