Re: xhci: zero length multi-TRB inbound xfer does not work

2020-06-24 Thread sc . dying
On 2020/06/24 11:57, Patrick Wildt wrote: > On Tue, Jun 16, 2020 at 06:55:27AM +, sc.dy...@gmail.com wrote: >> hi, >> >> The function xhci_event_xfer_isoc() of sys/dev/usb/xhci.c at line 954 >> does not work with zero length multi-TRB inbound transfer. >> >>949 /* >>950

Re: xhci: zero length multi-TRB inbound xfer does not work

2020-06-24 Thread Patrick Wildt
On Tue, Jun 16, 2020 at 06:55:27AM +, sc.dy...@gmail.com wrote: > hi, > > The function xhci_event_xfer_isoc() of sys/dev/usb/xhci.c at line 954 > does not work with zero length multi-TRB inbound transfer. > >949/* >950 * If we queued two TRBs for a fram

xhci: zero length multi-TRB inbound xfer does not work

2020-06-15 Thread sc . dying
hi, The function xhci_event_xfer_isoc() of sys/dev/usb/xhci.c at line 954 does not work with zero length multi-TRB inbound transfer. 949 /* 950 * If we queued two TRBs for a frame and this is the second TRB, 951 * check if the first TRB needs accounting since