iommu/fsl: Make iova dma_addr_t in the iommu_iova_to_phys API.

This is required in case of PAMU, as it can support a window size of up
to 64G (even on 32bit).

Signed-off-by: Varun Sethi <Varun.Sethi@freescale.com>
Signed-off-by: Joerg Roedel <joro@8bytes.org>
diff --git a/drivers/iommu/omap-iommu.c b/drivers/iommu/omap-iommu.c
index 6ac02fa..e02e5d7 100644
--- a/drivers/iommu/omap-iommu.c
+++ b/drivers/iommu/omap-iommu.c
@@ -1219,7 +1219,7 @@
 }
 
 static phys_addr_t omap_iommu_iova_to_phys(struct iommu_domain *domain,
-					  unsigned long da)
+					  dma_addr_t da)
 {
 	struct omap_iommu_domain *omap_domain = domain->priv;
 	struct omap_iommu *oiommu = omap_domain->iommu_dev;