diff options
Diffstat (limited to 'drivers/usb/gadget/epautoconf.c')
| -rw-r--r-- | drivers/usb/gadget/epautoconf.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/usb/gadget/epautoconf.c b/drivers/usb/gadget/epautoconf.c index 8a832488ccdd..9b7360ff5aa7 100644 --- a/drivers/usb/gadget/epautoconf.c +++ b/drivers/usb/gadget/epautoconf.c @@ -128,6 +128,13 @@ ep_matches ( } } + /* + * If the protocol driver hasn't yet decided on wMaxPacketSize + * and wants to know the maximum possible, provide the info. + */ + if (desc->wMaxPacketSize == 0) + desc->wMaxPacketSize = cpu_to_le16(ep->maxpacket); + /* endpoint maxpacket size is an input parameter, except for bulk * where it's an output parameter representing the full speed limit. * the usb spec fixes high speed bulk maxpacket at 512 bytes. |