usb/gadget: Fix "high bandwidth" check in usb_gadget_ep_match_desc()

commit 11fb37998759c48e4e4c200c974593cbeab25d3e upstream.

The current code tries to test for bits that are masked out by
usb_endpoint_maxp(). Instead, use the proper accessor to access
the new high bandwidth bits.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c
index d685d82..e97539f 100644 (file)
--- a/drivers/usb/gadget/udc/core.c
+++ b/drivers/usb/gadget/udc/core.c
@@ -913,7 +913,7 @@ int usb_gadget_ep_match_desc(struct usb_gadget *gadget,
                return 0;
 
        /* "high bandwidth" works only at high speed */
-       if (!gadget_is_dualspeed(gadget) && usb_endpoint_maxp(desc) & (3<<11))
+       if (!gadget_is_dualspeed(gadget) && usb_endpoint_maxp_mult(desc) > 1)
                return 0;
 
        switch (type) {