linux-kernel - Re: [RFC PATCH 1/3] cpuidle: split cpuidle_idle

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Message-ID: <52EBAED8.8080807@linaro.org>
Date:	Fri, 31 Jan 2014 15:10:32 +0100
From:	Daniel Lezcano <daniel.lezcano@...aro.org>
To:	Nicolas Pitre <nicolas.pitre@...aro.org>
CC:	peterz@...radead.org, mingo@...hat.com, tglx@...utronix.de,
	rjw@...ysocki.net, linux-kernel@...r.kernel.org,
	linux-pm@...r.kernel.org, linaro-kernel@...ts.linaro.org
Subject: Re: [RFC PATCH 1/3] cpuidle: split cpuidle_idle_call main function
 into functions

On 01/30/2014 08:39 PM, Nicolas Pitre wrote:
> On Thu, 30 Jan 2014, Daniel Lezcano wrote:
>
>>   /**
>> + * cpuidle_select - ask the cpuidle framework to choose an idle state
>> + *
>> + * @drv: the cpuidle driver
>> + * @dev: the cpuidle device
>> + *
>> + * Returns the index of the idle state. On error it returns:
>> + * -NODEV : the cpuidle framework is available
>
> s/available/not available/
>
>> + * -EBUSY : the cpuidle framework is not initialized
>> + */
>> +int cpuidle_select(struct cpuidle_driver *drv, struct cpuidle_device *dev)
>> +{
>> +	if (off || !initialized)
>> +		return -ENODEV;
>> +
>> +	if (!drv || !dev || !dev->enabled)
>> +		return -EBUSY;
>> +
>> +	return cpuidle_curr_governor->select(drv, dev);
>> +}
>> +EXPORT_SYMBOL(cpuidle_select);
>
> Peterz comment notwithstanding, is there actually a need to export those
> symbols? No modules should ever need to use this given this is going to
> be called by the scheduler code.

Yes, you are right. I will remove them.

Thanks !

   -- Daniel

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