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Merge branch 'pci/enumeration' into next

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* pci/enumeration:
  PCI: Include PCI-to-PCIe bridges as "Downstream Ports"
  PCI: Improve __pci_read_base() robustness
  PCI: Short-circuit pci_device_is_present() for disconnected devices
  PCI/MSI: Skip disabling disconnected devices
  PCI: Don't attempt config access to disconnected devices
  PCI: Add device disconnected state
  PCI: Export PCI device config accessors
This commit is contained in:
Bjorn Helgaas 2017-04-28 10:33:55 -05:00
commit f503ee4cbe
8 changed files with 100 additions and 29 deletions
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2
drivers/pci/pci.c
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@ -4934,6 +4934,8 @@ bool pci_device_is_present(struct pci_dev *pdev)
{
u32 v;
if (pci_dev_is_disconnected(pdev))
return false;
return pci_bus_read_dev_vendor_id(pdev->bus, pdev->devfn, &v, 0);
}
EXPORT_SYMBOL_GPL(pci_device_is_present);