Re: some question about xhci TRB_INTR_TARGET

2014-03-04 Thread Sarah Sharp
On Tue, Mar 04, 2014 at 08:13:32PM +0800, vichy wrote: > hi David: > > > 2014-03-04 19:40 GMT+08:00 David Laight : > > From: vichy > >> hi all: > >> from xhci spec, Interrupter Target is the value between 0 and MaxIntrs-1. > >> But why the parameter pass to TRB_INTR_TARGTRB_INTR_TARGET is always

Re: some question about xhci TRB_INTR_TARGET

2014-03-04 Thread vichy
hi David: 2014-03-04 19:40 GMT+08:00 David Laight : > From: vichy >> hi all: >> from xhci spec, Interrupter Target is the value between 0 and MaxIntrs-1. >> But why the parameter pass to TRB_INTR_TARGTRB_INTR_TARGET is always 0. >> >> Does that mean so far xhci host didn't support multi-interrupt

RE: some question about xhci TRB_INTR_TARGET

2014-03-04 Thread David Laight
From: vichy > hi all: > from xhci spec, Interrupter Target is the value between 0 and MaxIntrs-1. > But why the parameter pass to TRB_INTR_TARGTRB_INTR_TARGET is always 0. > > Does that mean so far xhci host didn't support multi-interrupt as > MSI-X suggested? AFAIK The Linux USB stack doesn't su

some question about xhci TRB_INTR_TARGET

2014-03-04 Thread vichy
hi all: from xhci spec, Interrupter Target is the value between 0 and MaxIntrs-1. But why the parameter pass to TRB_INTR_TARGTRB_INTR_TARGET is always 0. Does that mean so far xhci host didn't support multi-interrupt as MSI-X suggested? Thanks for your help in advance, -- To unsubscribe from this