diff --git a/arch/arm/plat-omap/iovmm.c b/arch/arm/plat-omap/iovmm.c
index 93a34d92b3a2206517c65bbc86d2e0bf183c41b5..fa6e64332a9ec4e68e405d4854aed4a7911e3dcd 100644
--- a/arch/arm/plat-omap/iovmm.c
+++ b/arch/arm/plat-omap/iovmm.c
@@ -821,7 +821,7 @@ void iommu_kunmap(struct iommu *obj, u32 da)
 	struct sg_table *sgt;
 	typedef void (*func_t)(const void *);
 
-	sgt = unmap_vm_area(obj, da, (func_t)__iounmap,
+	sgt = unmap_vm_area(obj, da, (func_t)iounmap,
 			    IOVMF_LINEAR | IOVMF_MMIO);
 	if (!sgt)
 		dev_dbg(obj->dev, "%s: No sgt\n", __func__);