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-rw-r--r--include/acpi/acpi_bus.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index c4b78c21d793..305ebf2a3fa7 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -582,10 +582,16 @@ int unregister_acpi_bus_type(struct acpi_bus_type *);
 int acpi_bind_one(struct device *dev, struct acpi_device *adev);
 int acpi_unbind_one(struct device *dev);
 
+enum acpi_bridge_type {
+	ACPI_BRIDGE_TYPE_PCIE = 1,
+	ACPI_BRIDGE_TYPE_CXL,
+};
+
 struct acpi_pci_root {
 	struct acpi_device * device;
 	struct pci_bus *bus;
 	u16 segment;
+	int bridge_type;
 	struct resource secondary;	/* downstream bus range */
 
 	u32 osc_support_set;	/* _OSC state of support bits */