1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/iommu/omap-iommu2.c b/drivers/iommu/omap-iommu2.c
index d745094a69dd..5e1ea3b0bf16 100644
--- a/drivers/iommu/omap-iommu2.c
+++ b/drivers/iommu/omap-iommu2.c
@@ -98,6 +98,9 @@ static int omap2_iommu_enable(struct omap_iommu *obj)
 
         iommu_write_reg(obj, pa, MMU_TTB);
 
+        if (obj->has_bus_err_back)
+                iommu_write_reg(obj, MMU_GP_REG_BUS_ERR_BACK_EN, MMU_GP_REG);
+
         __iommu_set_twl(obj, true);
 
         return 0;