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

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

Acked-by: Peter Chen <Peter.Chen@nxp.com>
Cc: <linux-usb@vger.kernel.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Felipe Balbi 2016-09-28 13:26:18 +03:00
parent 08295ee0e6
commit a98e25e71d
1 changed files with 2 additions and 2 deletions
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4
drivers/usb/chipidea/udc.c
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@ -821,7 +821,7 @@ static int _ep_queue(struct usb_ep *ep, struct usb_request *req,
} }
if (usb_endpoint_xfer_isoc(hwep->ep.desc) && 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"); dev_err(hwep->ci->dev, "request length too big for isochronous\n");
return -EMSGSIZE; return -EMSGSIZE;
} }
@ -1254,7 +1254,7 @@ static int ep_enable(struct usb_ep *ep,
hwep->type = usb_endpoint_type(desc); hwep->type = usb_endpoint_type(desc);
hwep->ep.maxpacket = usb_endpoint_maxp(desc) & 0x07ff; 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) if (hwep->type == USB_ENDPOINT_XFER_CONTROL)
cap |= QH_IOS; cap |= QH_IOS;