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-rw-r--r--include/linux/pci.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 2039da1f36725d..d4d533fa5d30b2 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -95,6 +95,11 @@ enum pci_channel_state {
pci_channel_io_perm_failure = (__force pci_channel_state_t) 3,
};
+typedef unsigned short __bitwise pci_bus_flags_t;
+enum pci_bus_flags {
+ PCI_BUS_FLAGS_NO_MSI = (pci_bus_flags_t) 1,
+};
+
/*
* The pci_dev structure is used to describe PCI devices.
*/
@@ -203,7 +208,7 @@ struct pci_bus {
char name[48];
unsigned short bridge_ctl; /* manage NO_ISA/FBB/et al behaviors */
- unsigned short pad2;
+ pci_bus_flags_t bus_flags; /* Inherited by child busses */
struct device *bridge;
struct class_device class_dev;
struct bin_attribute *legacy_io; /* legacy I/O for this bus */