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Commit 9e878a6b authored by Paul Zimmerman's avatar Paul Zimmerman Committed by Felipe Balbi
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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: default avatarPaul Zimmerman <paulz@synopsys.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent a8501639

drivers/usb/gadget/composite.c

+3 −4
Original line number Diff line number Diff line
@@ -175,13 +175,12 @@ int config_ep_by_speed(struct usb_gadget *g, 
	_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 */