From mboxrd@z Thu Jan  1 00:00:00 1970
From: Len Brown <lenb@kernel.org>
Subject: Re: [PATCH] cpuidle: Make cpuidle_enable_device() call poll_idle_init()
Date: Mon, 10 Jan 2011 18:01:01 -0500 (EST)
Message-ID: <alpine.LFD.2.02.1101101754320.7945@x980>
References: <201101080029.20744.rjw@sisk.pl>
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To: "Rafael J. Wysocki" <rjw@sisk.pl>
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>

>  /**
>   * 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()?

thanks,
Len Brown, Intel Open Source Technology Center