usb: gadget: SS Isoc endpoints use comp_desc->bMaxBurst too

SuperSpeed Isoc endpoints also use the bMaxBurst value from the
companion descriptor. See section 9.6.7 in the USB 3.0 spec.

Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index a95de6a..baaebf2 100644 (file)
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -175,13 +175,12 @@ ep_found:
        _ep->comp_desc = comp_desc;
        if (g->speed == USB_SPEED_SUPER) {
                switch (usb_endpoint_type(_ep->desc)) {
-               case USB_ENDPOINT_XFER_BULK:
-               case USB_ENDPOINT_XFER_INT:
-                       _ep->maxburst = comp_desc->bMaxBurst;
-                       break;
                case USB_ENDPOINT_XFER_ISOC:
                        /* mult: bits 1:0 of bmAttributes */
                        _ep->mult = comp_desc->bmAttributes & 0x3;
+               case USB_ENDPOINT_XFER_BULK:
+               case USB_ENDPOINT_XFER_INT:
+                       _ep->maxburst = comp_desc->bMaxBurst;
                        break;
                default:
                        /* Do nothing for control endpoints */