aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/pci/of.c
diff options
context:
space:
mode:
authorJames Morris <james.l.morris@oracle.com>2015-11-23 22:46:28 +1100
committerJames Morris <james.l.morris@oracle.com>2015-11-23 22:46:28 +1100
commitebd68df3f24b318d391d15c458d6f43f340ba36a (patch)
treef0277bc4b853abe5db1d30fa4e10b05bba7f2ac5 /drivers/pci/of.c
parentsecurity/capability.h: cap_issubset/isclear can be boolean (diff)
parentLinux 4.4-rc2 (diff)
downloadlinux-dev-ebd68df3f24b318d391d15c458d6f43f340ba36a.tar.xz
linux-dev-ebd68df3f24b318d391d15c458d6f43f340ba36a.zip
Sync to Linus v4.4-rc2 for LSM developers.
Diffstat (limited to 'drivers/pci/of.c')
-rw-r--r--drivers/pci/of.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/pci/of.c b/drivers/pci/of.c
index 2e99a500cb83..e112da11630e 100644
--- a/drivers/pci/of.c
+++ b/drivers/pci/of.c
@@ -13,6 +13,7 @@
#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/of.h>
+#include <linux/of_irq.h>
#include <linux/of_pci.h>
#include "pci.h"
@@ -64,27 +65,25 @@ struct device_node * __weak pcibios_get_phb_of_node(struct pci_bus *bus)
struct irq_domain *pci_host_bridge_of_msi_domain(struct pci_bus *bus)
{
#ifdef CONFIG_IRQ_DOMAIN
- struct device_node *np;
struct irq_domain *d;
if (!bus->dev.of_node)
return NULL;
/* Start looking for a phandle to an MSI controller. */
- np = of_parse_phandle(bus->dev.of_node, "msi-parent", 0);
+ d = of_msi_get_domain(&bus->dev, bus->dev.of_node, DOMAIN_BUS_PCI_MSI);
+ if (d)
+ return d;
/*
* If we don't have an msi-parent property, look for a domain
* directly attached to the host bridge.
*/
- if (!np)
- np = bus->dev.of_node;
-
- d = irq_find_matching_host(np, DOMAIN_BUS_PCI_MSI);
+ d = irq_find_matching_host(bus->dev.of_node, DOMAIN_BUS_PCI_MSI);
if (d)
return d;
- return irq_find_host(np);
+ return irq_find_host(bus->dev.of_node);
#else
return NULL;
#endif