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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: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
This commit is contained in:
Mika Westerberg 2019-08-22 11:55:52 +03:00 committed by Bjorn Helgaas
parent 4a2dbeddd3
commit 984998e340
2 changed files with 9 additions and 9 deletions
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9
drivers/pci/access.c
View File

@ -336,15 +336,6 @@ static inline int pcie_cap_version(const struct pci_dev *dev)
return pcie_caps_reg(dev) & PCI_EXP_FLAGS_VERS; 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) bool pcie_cap_has_lnkctl(const struct pci_dev *dev)
{ {
int type = pci_pcie_type(dev); int type = pci_pcie_type(dev);

9
drivers/pci/pci.h
View File

@ -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; 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); int pci_vpd_init(struct pci_dev *dev);
void pci_vpd_release(struct pci_dev *dev); void pci_vpd_release(struct pci_dev *dev);
void pcie_vpd_create_sysfs_dev_files(struct pci_dev *dev); void pcie_vpd_create_sysfs_dev_files(struct pci_dev *dev);