--- zzzz-none-000/linux-3.10.107/drivers/usb/host/ohci-sa1111.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/usb/host/ohci-sa1111.c	2021-02-04 17:41:59.000000000 +0000
@@ -185,6 +185,12 @@
 	if (usb_disabled())
 		return -ENODEV;
 
+	/*
+	 * We don't call dma_set_mask_and_coherent() here because the
+	 * DMA mask has already been appropraitely setup by the core
+	 * SA-1111 bus code (which includes bug workarounds.)
+	 */
+
 	hcd = usb_create_hcd(&ohci_sa1111_hc_driver, &dev->dev, "sa1111");
 	if (!hcd)
 		return -ENOMEM;
@@ -205,8 +211,10 @@
 		goto err2;
 
 	ret = usb_add_hcd(hcd, dev->irq[1], 0);
-	if (ret == 0)
+	if (ret == 0) {
+		device_wakeup_enable(hcd->self.controller);
 		return ret;
+	}
 
 	sa1111_stop_hc(dev);
  err2: