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Commit 984998e3 authored by Mika Westerberg's avatar Mika Westerberg Committed by Bjorn Helgaas
Browse files

PCI: Make pcie_downstream_port() available outside of access.c 

pcie_downstream_port() is useful in other places where code needs to
determine whether the PCIe port is downstream so make it available outside
of access.c.

Link: https://lore.kernel.org/r/20190822085553.62697-1-mika.westerberg@linux.intel.com


Signed-off-by: default avatarMika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
Reviewed-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
parent 4a2dbedd

drivers/pci/access.c

+0 −9
Original line number Diff line number Diff line
@@ -336,15 +336,6 @@ static inline int pcie_cap_version(const struct pci_dev *dev) 
	return pcie_caps_reg(dev) & PCI_EXP_FLAGS_VERS;

}



static bool pcie_downstream_port(const struct pci_dev *dev)

{

	int type = pci_pcie_type(dev);



	return type == PCI_EXP_TYPE_ROOT_PORT ||

	       type == PCI_EXP_TYPE_DOWNSTREAM ||

	       type == PCI_EXP_TYPE_PCIE_BRIDGE;

}



bool pcie_cap_has_lnkctl(const struct pci_dev *dev)

{

	int type = pci_pcie_type(dev);

drivers/pci/pci.h

+9 −0
Original line number Diff line number Diff line
@@ -118,6 +118,15 @@ static inline bool pci_power_manageable(struct pci_dev *pci_dev) 
	return !pci_has_subordinate(pci_dev) || pci_dev->bridge_d3;

}



static inline bool pcie_downstream_port(const struct pci_dev *dev)

{

	int type = pci_pcie_type(dev);



	return type == PCI_EXP_TYPE_ROOT_PORT ||

	       type == PCI_EXP_TYPE_DOWNSTREAM ||

	       type == PCI_EXP_TYPE_PCIE_BRIDGE;

}



int pci_vpd_init(struct pci_dev *dev);

void pci_vpd_release(struct pci_dev *dev);

void pcie_vpd_create_sysfs_dev_files(struct pci_dev *dev);