--- zzzz-none-000/linux-3.10.107/drivers/iommu/omap-iopgtable.h	2017-06-27 09:49:32.000000000 +0000
+++ vr9-7490-729/linux-3.10.107/drivers/iommu/omap-iopgtable.h	2021-11-10 11:53:55.000000000 +0000
@@ -95,4 +95,4 @@
 #define iopte_offset(iopgd, da)	(iopgd_page_vaddr(iopgd) + iopte_index(da))
 
 #define to_iommu(dev)							\
-	(struct omap_iommu *)platform_get_drvdata(to_platform_device(dev))
+	(platform_get_drvdata(to_platform_device(dev)))