patch "usb/gadget: Fix "high bandwidth" check in usb_gadget_ep_match_desc()" added to usb-next

This is a note to let you know that I've just added the patch titled

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

to my usb git tree which can be found at
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git
in the usb-next branch.

The patch will show up in the next release of the linux-next tree (usually sometime within the next 24 hours during the week.)

The patch will also be merged in the next major kernel release during the merge window.

If you have any questions about this process, please let me know.

From: Benjamin Herrenschmidt <[email protected]>
Date: Fri, 12 Jan 2018 17:50:02 +1100
Subject: usb/gadget: Fix "high bandwidth" check in usb_gadget_ep_match_desc()

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.

---
 drivers/usb/gadget/udc/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

index 1b3efb14aec7..ac0541529499 100644
@@ -912,7 +912,7 @@ 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) {

2.16.0