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authorJoerg Roedel <joerg.roedel@amd.com>2011-09-06 18:46:34 +0200
committerJoerg Roedel <joerg.roedel@amd.com>2011-10-21 14:37:20 +0200
commita1b60c1cd913c5ccfb38c717ba0bd22622425fa7 (patch)
tree74e5c1e847262ba3c42fb3b0396a3e781c168b6e /drivers/iommu
parent905d66c1e5dc8149e111f04a32bb193f25da1d53 (diff)
downloadlinux-a1b60c1cd913c5ccfb38c717ba0bd22622425fa7.tar.gz
iommu/core: Convert iommu_found to iommu_present
With per-bus iommu_ops the iommu_found function needs to
work on a bus_type too. This patch adds a bus_type parameter
to that function and converts all call-places.
The function is also renamed to iommu_present because the
function now checks if an iommu is present for a given bus
and does not check for a global iommu anymore.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'drivers/iommu')
-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)
 }
 EXPORT_SYMBOL_GPL(bus_set_iommu);
 
-bool iommu_found(void)
+bool iommu_present(struct bus_type *bus)
 {
-	return iommu_ops != NULL;
+	if (bus->iommu_ops != NULL)
+		return true;
+	else
+		return iommu_ops != NULL;
 }
-EXPORT_SYMBOL_GPL(iommu_found);
+EXPORT_SYMBOL_GPL(iommu_present);
 
 struct iommu_domain *iommu_domain_alloc(struct bus_type *bus)
 {