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From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Len Brown <lenb@kernel.org>
Subject: Re: [PATCH] cpuidle: Make cpuidle_enable_device() call poll_idle_init()
Date: Tue, 11 Jan 2011 01:02:22 +0100
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Cc: LKML <linux-kernel@vger.kernel.org>,
        ACPI Devel Maling List <linux-acpi@vger.kernel.org>,
        "Linux-pm mailing list" <linux-pm@lists.linux-foundation.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        Thomas Renninger <trenn@suse.de>
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On Tuesday, January 11, 2011, Len Brown wrote:
> >  /**
> >   * cpuidle_enable_device - enables idle PM for a CPU
> >   * @dev: the CPU
> > @@ -176,6 +215,8 @@ int cpuidle_enable_device(struct cpuidle
> >  		ret = __cpuidle_register_device(dev);
> >  		if (ret)
> >  			return ret;
> > +	} else {
> > +		poll_idle_init(dev);
> >  	}
> 
> how about calling poll_idle_init() unconditionally here
> and deleting the call to it from within __cpuidle_register_device()?

Fine by me, as long as poll_idle_init() is called before the conditional. :-)

Thanks,
Rafael