diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/pci/of.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/pci/of.c b/drivers/pci/of.c index 85844d8c3efd..2e99a500cb83 100644 --- a/drivers/pci/of.c +++ b/drivers/pci/of.c @@ -72,8 +72,13 @@ struct irq_domain *pci_host_bridge_of_msi_domain(struct pci_bus *bus) /* Start looking for a phandle to an MSI controller. */ np = of_parse_phandle(bus->dev.of_node, "msi-parent", 0); + + /* + * If we don't have an msi-parent property, look for a domain + * directly attached to the host bridge. + */ if (!np) - return NULL; + np = bus->dev.of_node; d = irq_find_matching_host(np, DOMAIN_BUS_PCI_MSI); if (d) |