aboutsummaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/iommu/iommu.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index 46e1c24f2f43..ad8ce1addb4d 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -66,11 +66,14 @@ int bus_set_iommu(struct bus_type *bus, struct iommu_ops *ops)
66} 66}
67EXPORT_SYMBOL_GPL(bus_set_iommu); 67EXPORT_SYMBOL_GPL(bus_set_iommu);
68 68
69bool iommu_found(void) 69bool iommu_present(struct bus_type *bus)
70{ 70{
71 return iommu_ops != NULL; 71 if (bus->iommu_ops != NULL)
72 return true;
73 else
74 return iommu_ops != NULL;
72} 75}
73EXPORT_SYMBOL_GPL(iommu_found); 76EXPORT_SYMBOL_GPL(iommu_present);
74 77
75struct iommu_domain *iommu_domain_alloc(struct bus_type *bus) 78struct iommu_domain *iommu_domain_alloc(struct bus_type *bus)
76{ 79{