usb: gadget: udc: fusb300: 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/fusb300_udc.c b/drivers/usb/gadget/udc/fusb300_udc.c
index 948845c..42ff308 100644 (file)
--- a/drivers/usb/gadget/udc/fusb300_udc.c
+++ b/drivers/usb/gadget/udc/fusb300_udc.c
@@ -218,7 +218,7 @@ static int config_ep(struct fusb300_ep *ep,
           (info.type == USB_ENDPOINT_XFER_ISOC)) {
                info.interval = desc->bInterval;
                if (info.type == USB_ENDPOINT_XFER_ISOC)
-                       info.bw_num = ((desc->wMaxPacketSize & 0x1800) >> 11);
+                       info.bw_num = usb_endpoint_maxp_mult(desc);
        }
 
        ep_fifo_setting(fusb300, info);