Commit f0cfecea authored Feb 14, 2019 by Honghui Zhang Committed by Bjorn Helgaas Feb 15, 2019

PCI/portdrv: Support PCIe services on subtractive decode bridges



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>

parent c89f7f98

drivers/pci/pcie/portdrv_pci.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -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) },
		{ },
		};

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