--- zzzz-none-000/linux-3.10.107/drivers/media/platform/omap3isp/isph3a_aewb.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/media/platform/omap3isp/isph3a_aewb.c	2021-02-04 17:41:59.000000000 +0000
@@ -13,16 +13,6 @@
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
- * 02110-1301 USA
  */
 
 #include <linux/slab.h>
@@ -47,7 +37,7 @@
 	if (aewb->state == ISPSTAT_DISABLED)
 		return;
 
-	isp_reg_writel(aewb->isp, aewb->active_buf->iommu_addr,
+	isp_reg_writel(aewb->isp, aewb->active_buf->dma_addr,
 		       OMAP3_ISP_IOMEM_H3A, ISPH3A_AEWBUFST);
 
 	if (!aewb->update)
@@ -307,7 +297,6 @@
 
 	aewb->ops = &h3a_aewb_ops;
 	aewb->priv = aewb_cfg;
-	aewb->dma_ch = -1;
 	aewb->event_type = V4L2_EVENT_OMAP3ISP_AEWB;
 	aewb->isp = isp;