media: v4l2-fwnode: Don't zero parts of struct v4l2_fwnode_endpoint anymore

Don't zero parts of the vep argument to v4l2_fwnode_endpoint_parse()
anymore as this can no longer be done while still supporting defaults on
multiple bus types.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/v4l2-core/v4l2-fwnode.c

@@ -416,20 +416,8 @@ static int __v4l2_fwnode_endpoint_parse(struct fwnode_handle *fwnode,
 	enum v4l2_mbus_type mbus_type;
 	int rval;
 
-	if (vep->bus_type == V4L2_MBUS_UNKNOWN) {
-		/* Zero fields from bus union to until the end */
-		memset(&vep->bus, 0,
-		       sizeof(*vep) - offsetof(typeof(*vep), bus));
-	}
-
 	pr_debug("===== begin parsing endpoint %pfw\n", fwnode);
 
-	/*
-	 * Zero the fwnode graph endpoint memory in case we don't end up parsing
-	 * the endpoint.
-	 */
-	memset(&vep->base, 0, sizeof(vep->base));
-
 	fwnode_property_read_u32(fwnode, "bus-type", &bus_type);
 	pr_debug("fwnode video bus type %s (%u), mbus type %s (%u)\n",
 		 v4l2_fwnode_bus_type_to_string(bus_type), bus_type,