diff options
| -rw-r--r-- | drivers/pci/probe.c | 2 | ||||
| -rw-r--r-- | include/linux/pci.h | 1 |
2 files changed, 3 insertions, 0 deletions
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index fb04fc81a8bd..aa6fba35f5d1 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -925,6 +925,8 @@ static int pci_register_host_bridge(struct pci_host_bridge *bridge) device_enable_async_suspend(bus->bridge); pci_set_bus_of_node(bus); pci_set_bus_msi_domain(bus); + if (bridge->msi_domain && !dev_get_msi_domain(&bus->dev)) + bus->bus_flags |= PCI_BUS_FLAGS_NO_MSI; if (!parent) set_dev_node(bus->bridge, pcibus_to_node(bus)); diff --git a/include/linux/pci.h b/include/linux/pci.h index ebf557e59d87..ede0aef2cfd4 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -550,6 +550,7 @@ struct pci_host_bridge { unsigned int native_dpc:1; /* OS may use PCIe DPC */ unsigned int preserve_config:1; /* Preserve FW resource setup */ unsigned int size_windows:1; /* Enable root bus sizing */ + unsigned int msi_domain:1; /* Bridge wants MSI domain */ /* Resource alignment requirements */ resource_size_t (*align_resource)(struct pci_dev *dev, |