linux-ehci-enable-large-ctl-xfers.patch

--- linux-4.14.27/drivers/usb/host/ehci-hcd.c.old	2018-04-17 18:00:00.000000000 +0000
+++ linux-4.14.27/drivers/usb/host/ehci-hcd.c	2018-04-17 18:00:00.000000000 +0000
@@ -873,14 +873,6 @@
 	INIT_LIST_HEAD (&qtd_list);
 
 	switch (usb_pipetype (urb->pipe)) {
-	case PIPE_CONTROL:
-		/* qh_completions() code doesn't handle all the fault cases
-		 * in multi-TD control transfers.  Even 1KB is rare anyway.
-		 */
-		if (urb->transfer_buffer_length > (16 * 1024))
-			return -EMSGSIZE;
-		/* FALLTHROUGH */
-	/* case PIPE_BULK: */
 	default:
 		if (!qh_urb_transaction (ehci, urb, &qtd_list, mem_flags))
 			return -ENOMEM;