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PCI/portdrv: Support PCIe services on subtractive decode bridges

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The Class Code for subtractive decode PCI-to-PCI bridge is 060401h; add an
entry to make portdrv support this type of bridge.  This allows use of PCIe
services on subtractive decode ports.

Signed-off-by: Honghui Zhang <honghui.zhang@mediatek.com>
[bhelgaas: add braces surrounding entry]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Honghui Zhang 2019-02-14 13:21:17 +08:00 • committed by Bjorn Helgaas
commit f0cfecea8d
1 changed files with 2 additions and 0 deletions
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2
drivers/pci/pcie/portdrv_pci.c
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@ -185,6 +185,8 @@ static void pcie_portdrv_err_resume(struct pci_dev *dev)
static const struct pci_device_id port_pci_ids[] = {
/* handle any PCI-Express port */
{ PCI_DEVICE_CLASS(((PCI_CLASS_BRIDGE_PCI << 8) | 0x00), ~0) },
/* subtractive decode PCI-to-PCI bridge, class type is 060401h */
{ PCI_DEVICE_CLASS(((PCI_CLASS_BRIDGE_PCI << 8) | 0x01), ~0) },
{ },
};