On Tue, Nov 15, 2011 at 1:22 PM, Hans Petter Selasky <hsela...@c2i.net> wrote: > On Tuesday 15 November 2011 22:20:18 m...@freebsd.org wrote: >> On Tue, Nov 15, 2011 at 1:02 PM, Hans Petter Selasky <hsela...@c2i.net> > wrote: >> > For USB compliant operation, the USB stack requires hz to be greater or >> > equal to 250 hz, to put it like that. Mostly a requirement in USB >> > gadget/device mode. >> >> Really? That's news to me. Is that documented somewhere? I know we >> still use hz=100 internally, but we're on stable/7 still so not using >> the new USB stack yet. > > No it is not documented anywhere. This delay is mostly critical if you enable > USB power saving features like suspend and resume. Then there are some > software timers which should not derive too much.
Actually, if the bug is only with the power_save mode, then perhaps it should only be warned when that mode is enabled. Thanks, matthew _______________________________________________ svn-src-head@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
