Commit a98e25e7 authored by Felipe Balbi's avatar Felipe Balbi
Browse files

usb: chipidea: udc: make use of new usb_endpoint_maxp_mult() 



We have introduced a helper to calculate multiplier
value from wMaxPacketSize. Start using it.

Acked-by: default avatarPeter Chen <Peter.Chen@nxp.com>
Cc: <linux-usb@vger.kernel.org>
Signed-off-by: default avatarFelipe Balbi <felipe.balbi@linux.intel.com>
parent 08295ee0

drivers/usb/chipidea/udc.c

+2 −2
Original line number Diff line number Diff line
@@ -821,7 +821,7 @@ static int _ep_queue(struct usb_ep *ep, struct usb_request *req, 
	}



	if (usb_endpoint_xfer_isoc(hwep->ep.desc) &&

	    hwreq->req.length > (1 + hwep->ep.mult) * hwep->ep.maxpacket) {

	    hwreq->req.length > hwep->ep.mult * hwep->ep.maxpacket) {

		dev_err(hwep->ci->dev, "request length too big for isochronous\n");

		return -EMSGSIZE;

	}
@@ -1254,7 +1254,7 @@ static int ep_enable(struct usb_ep *ep, 
	hwep->type = usb_endpoint_type(desc);



	hwep->ep.maxpacket = usb_endpoint_maxp(desc) & 0x07ff;

	hwep->ep.mult = QH_ISO_MULT(usb_endpoint_maxp(desc));

	hwep->ep.mult = usb_endpoint_maxp_mult(desc);



	if (hwep->type == USB_ENDPOINT_XFER_CONTROL)

		cap |= QH_IOS;

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