Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8)

Alan Cox
2010-05-27T15:26:45Z

On Thu, 27 May 2010 17:09:16 +0200
Peter Zijlstra <peterz@infradead.org> wrote:

> On Thu, 2010-05-27 at 11:06 -0400, Alan Stern wrote:
> >
> > Opportunistic suspends are okay.
> >
> > The proposed userspace API is too Android-specific.
>
> I would argue opportunistic suspends are not ok, and therefore the
> proposed API is utterly irrelevant.

Assuming you are happy that opportunistically entering C6 and the like is
ok via ACPI can you explain why you have a problem with opportunistic
suspend and why it is different to a very deep sleep CPU state such as we
have now (and which on many embedded platforms we deal with *is* sleeping
external devices too)

Alan