Re: [linux-pm] Re: [PATCH] Remove process freezer from suspend to RAM pathway

Alan Stern
2007-07-04T14:44:30Z

On Wed, 4 Jul 2007, Paul Mackerras wrote:

> Oliver Neukum writes:
>
> > USB devices certainly have suspend methods.
>
> Indeed, and the USB framework has code to know when the host
> controller is suspended and avoid trying to send out urbs in that
> case. Or at least it did last time I looked at it in any detail; it's
> been "just working" - including suspending and resuming, without the
> freezer - for quite a while now.

Evidently you haven't been stressing it. You might try suspending
while printing to a USB printer.

Alan Stern