On Wednesday 27 October 2010 10:14:18 Alexander Motin wrote:
quoted text
> As I understand, if respective USB port is not used, USB stack should
> put it into power_save mode not poll so often to deny entering C3 state.

USB will stop the hardware from polling RAM, but still a 4 second root HUB 
software timer/watchdog will be running.

--HPS
_______________________________________________
freebsd-current@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/freebsd-current
To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"