usb: gadget: udc: gr: make use of new usb_endpoint_maxp_mult()

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

Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>

diff --git a/drivers/usb/gadget/udc/gr_udc.c b/drivers/usb/gadget/udc/gr_udc.c
index 39b7136..b16f8af 100644 (file)
--- a/drivers/usb/gadget/udc/gr_udc.c
+++ b/drivers/usb/gadget/udc/gr_udc.c
@@ -1539,7 +1539,7 @@ static int gr_ep_enable(struct usb_ep *_ep,
         * additional transactions.
         */
        max = 0x7ff & usb_endpoint_maxp(desc);
-       nt = 0x3 & (usb_endpoint_maxp(desc) >> 11);
+       nt = usb_endpoint_maxp_mult(desc) - 1;
        buffer_size = GR_BUFFER_SIZE(epctrl);
        if (nt && (mode == 0 || mode == 2)) {
                dev_err(dev->dev,