USB power usage during startup (was: CVS commit: src/sys/dev/usb)

[Bernd Ernesti <veego%NetBSD.org@localhost>]

On Fri, Jan 25, 2008 at 12:29:12AM +0000, Jared D. McNeill wrote:
> 
> Module Name:  src
> Committed By: jmcneill
> Date:         Fri Jan 25 00:29:12 UTC 2008
> 
> Modified Files:
>       src/sys/dev/usb: uhub.c
> 
> Log Message:
> Speed up uhub attachment considerably. Rather than powering up each port
> individually then waiting for it to become stable, power them up all
> at once and then delay. Don't even bother delaying if we are a root hub,
> as this is handled separately in the event thread. From OpenBSD.

Hmm, how much power does this consume if you have more then one usb device
which needs a lot of power during startup?

Bernd