1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/iommu/omap-iommu.c b/drivers/iommu/omap-iommu.c
index dad45ab8cce3..90744afbed71 100644
--- a/drivers/iommu/omap-iommu.c
+++ b/drivers/iommu/omap-iommu.c
@@ -918,14 +918,14 @@ int omap_iommu_set_isr(const char *name,
                 return -ENODEV;
 
         obj = to_iommu(dev);
-        mutex_lock(&obj->iommu_lock);
+        spin_lock(&obj->iommu_lock);
         if (obj->refcount != 0) {
-                mutex_unlock(&obj->iommu_lock);
+                spin_unlock(&obj->iommu_lock);
                 return -EBUSY;
         }
         obj->isr = isr;
         obj->isr_priv = isr_priv;
-        mutex_unlock(&obj->iommu_lock);
+        spin_unlock(&obj->iommu_lock);
 
         return 0;
 }