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path: root/drivers/iommu/msm_iommu.c
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Diffstat (limited to 'drivers/iommu/msm_iommu.c')
-rw-r--r--drivers/iommu/msm_iommu.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/iommu/msm_iommu.c b/drivers/iommu/msm_iommu.c
index 1a584e077c6..5865dd2e28f 100644
--- a/drivers/iommu/msm_iommu.c
+++ b/drivers/iommu/msm_iommu.c
@@ -543,6 +543,13 @@ static int msm_iommu_unmap(struct iommu_domain *domain, unsigned long va,
}
ret = __flush_iotlb(domain);
+
+ /*
+ * the IOMMU API requires us to return the order of the unmapped
+ * page (on success).
+ */
+ if (!ret)
+ ret = order;
fail:
spin_unlock_irqrestore(&msm_iommu_lock, flags);
return ret;
@@ -721,7 +728,7 @@ static void __init setup_iommu_tex_classes(void)
static int __init msm_iommu_init(void)
{
setup_iommu_tex_classes();
- register_iommu(&msm_iommu_ops);
+ bus_set_iommu(&platform_bus_type, &msm_iommu_ops);
return 0;
}