[PATCH 5/5] iommu/arm-smmu: fix compilation issue when !CONFIG_ARM_AMBA

[Will Deacon]

If !CONFIG_ARM_AMBA, we shouldn't try to register ourselves with the
amba_bustype.

Signed-off-by: Will Deacon <will.deacon at arm.com>
---
 drivers/iommu/arm-smmu.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c
index 0ae4dd39197f..6fe7922ecc1d 100644
--- a/drivers/iommu/arm-smmu.c
+++ b/drivers/iommu/arm-smmu.c
@@ -2004,8 +2004,10 @@ static int __init arm_smmu_init(void)
 	if (!iommu_present(&platform_bus_type))
 		bus_set_iommu(&platform_bus_type, &arm_smmu_ops);
 
+#ifdef CONFIG_ARM_AMBA
 	if (!iommu_present(&amba_bustype))
 		bus_set_iommu(&amba_bustype, &arm_smmu_ops);
+#endif
 
 	return 0;
 }
-- 
1.8.2.2