diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index a97ed6d293e9..93c0b92ae402 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -297,7 +297,7 @@ static const u8 ss_rh_config_descriptor[] = {
 	/* one configuration */
 	0x09,       /*  __u8  bLength; */
 	0x02,       /*  __u8  bDescriptorType; Configuration */
-	0x19, 0x00, /*  __le16 wTotalLength; FIXME */
+	0x1f, 0x00, /*  __le16 wTotalLength; */
 	0x01,       /*  __u8  bNumInterfaces; (1) */
 	0x01,       /*  __u8  bConfigurationValue; */
 	0x00,       /*  __u8  iConfiguration; */
@@ -327,11 +327,14 @@ static const u8 ss_rh_config_descriptor[] = {
 		    /* __le16 ep_wMaxPacketSize; 1 + (MAX_ROOT_PORTS / 8)
 		     * see hub.c:hub_configure() for details. */
 	(USB_MAXCHILDREN + 1 + 7) / 8, 0x00,
-	0x0c        /*  __u8  ep_bInterval; (256ms -- usb 2.0 spec) */
-	/*
-	 * All 3.0 hubs should have an endpoint companion descriptor,
-	 * but we're ignoring that for now.  FIXME?
-	 */
+	0x0c,       /*  __u8  ep_bInterval; (256ms -- usb 2.0 spec) */
+
+	/* one SuperSpeed endpoint companion descriptor */
+	0x06,        /* __u8 ss_bLength */
+	0x30,        /* __u8 ss_bDescriptorType; SuperSpeed EP Companion */
+	0x00,        /* __u8 ss_bMaxBurst; allows 1 TX between ACKs */
+	0x00,        /* __u8 ss_bmAttributes; 1 packet per service interval */
+	0x02, 0x00   /* __le16 ss_wBytesPerInterval; 15 bits for max 15 ports */
 };
 
 /*-------------------------------------------------------------------------*/