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From: "Rafael J. Wysocki" <rjw@rjwysocki.net>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Linux PM list <linux-pm@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Daniel Lezcano <daniel.lezcano@linaro.org>,
        Len Brown <len.brown@intel.com>
Subject: Re: [PATCH 2/2] PM / sleep: Make ->enter_freeze callbacks depend on CONFIG_SUSPEND
Date: Mon, 18 May 2015 23:45:10 +0200
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On Monday, May 18, 2015 02:18:26 PM Peter Zijlstra wrote:
> On Sat, May 16, 2015 at 01:38:48AM +0200, Rafael J. Wysocki wrote:
> > From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
> > 
> > The ->enter_freeze callbacks of cpuidle drivers are only used if
> > CONFIG_SUSPEND is set, so make them explicitly depend on that
> > Kconfig option.
> 
> No real objection, but is it worth it to sprinkle that CONFIG stuff over
> all drivers?

Well, you maybe right that it isn't.  The footprint is small anyway.

What about [1/2]?