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Date: Thu, 6 May 2010 20:45:54 -0700
From: mgross <markgross@thegnar.org>
To: Tony Lindgren <tony@atomide.com>
Cc: Matthew Garrett <mjg@redhat.com>, Brian Swetland <swetland@google.com>,
       Alan Stern <stern@rowland.harvard.edu>,
       mark gross <mgross@linux.intel.com>, markgross@thegnar.org,
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       Wu Fengguang <fengguang.wu@intel.com>,
       Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [linux-pm] [PATCH 1/8] PM: Add suspend block api.
Message-ID: <20100507034554.GB20935@thegnar.org>
Reply-To: markgross@thegnar.org
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On Thu, May 06, 2010 at 10:14:53AM -0700, Tony Lindgren wrote:
> * Matthew Garrett <mjg@redhat.com> [100506 10:05]:
> > On Thu, May 06, 2010 at 10:01:51AM -0700, Tony Lindgren wrote:
> > 
> > > Or are you suspending constantly, tens of times per minute even if
> > > there's no user activity?
> > 
> > In this case you'd be repeatedly trying to suspend until the modem 
> > driver stopped blocking it. It's pretty much a waste.
> 
> But then the userspace knows you're getting data from the modem, and
> it can kick some inactivity timer that determines when to try to
> suspend next.

Thank you for thinking.

--mgross

> 
> Why would you need to constantly try to suspend in that case?
> 
> Regards,
> 
> Tony