diff --git a/drivers/usb/gadget/f_ecm.c b/drivers/usb/gadget/f_ecm.c
index ecf5bdd..2fff530 100644
--- a/drivers/usb/gadget/f_ecm.c
+++ b/drivers/usb/gadget/f_ecm.c
@@ -497,12 +497,9 @@
 			struct net_device	*net;
 
 			/* Enable zlps by default for ECM conformance;
-			 * override for musb_hdrc (avoids txdma ovhead)
-			 * and sa1100 (can't).
+			 * override for musb_hdrc (avoids txdma ovhead).
 			 */
-			ecm->port.is_zlp_ok = !(
-				   gadget_is_sa1100(cdev->gadget)
-				|| gadget_is_musbhdrc(cdev->gadget)
+			ecm->port.is_zlp_ok = !(gadget_is_musbhdrc(cdev->gadget)
 				);
 			ecm->port.cdc_filter = DEFAULT_FILTER;
 			DBG(cdev, "activate ecm\n");