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: Peter Chen <Peter.Chen@nxp.com>
Cc: <linux-usb@vger.kernel.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c
index 661f43fe0f9e..7a535be3024e 100644
--- a/drivers/usb/chipidea/udc.c
+++ b/drivers/usb/chipidea/udc.c
@@ -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;