Commit 7c9c003c authored by Myron Stowe's avatar Myron Stowe Committed by Bjorn Helgaas
Browse files

PCI: Introduce accessor to retrieve PCIe Capabilities Register 



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

Signed-off-by: default avatarMyron Stowe <myron.stowe@redhat.com>
Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
parent 10c463a7

include/linux/pci.h

+9 −0
Original line number Diff line number Diff line
@@ -1692,6 +1692,15 @@ static inline bool pci_is_pcie(struct pci_dev *dev) 
	return !!pci_pcie_cap(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