Re: [PATCH v2 2/2] PM / devfreq: Add suspend frequency support

From: Chanwoo Choi
Date: Mon Jan 30 2017 - 19:47:06 EST


Hi Viresh,

On 2017ë 01ì 30ì 13:50, Viresh Kumar wrote:
> On Wed, Dec 28, 2016 at 5:37 PM, Chanwoo Choi <cw00.choi@xxxxxxxxxxx> wrote:
>> +++ b/drivers/devfreq/devfreq.c
>> @@ -620,6 +620,23 @@ struct devfreq *devfreq_add_device(struct device *dev,
>> goto err_init;
>> }
>>
>> + /*
>> + * Get the suspend frequency from OPP table. But the devfreq device
>> + * using passive governor don't need to get the suspend frequency
>> + * because the passive devfreq device depend on the parent devfreq
>> + * device.
>> + */
>> + devfreq->suspend_freq = 0L;
>> + if (strncmp(devfreq->governor_name, "passive", 7)) {
>> + struct dev_pm_opp *opp;
>> +
>> + rcu_read_lock();
>> + opp = dev_pm_opp_get_suspend_opp(dev);
>> + if (opp)
>> + devfreq->suspend_freq = dev_pm_opp_get_freq(opp);
>
> The interface has changed a bit recently. Can you please use below
> function instead ?

I knew. This patch posted before applying your patch.

>
> dev_pm_opp_get_suspend_opp_freq()

This patch has not yet reviewed by devfreq maintainer.
So, I'm just waiting the review.

But, this patch is wrong on latest opp patches.
I'll fix it and resend it.

--
Best Regards,
Chanwoo Choi
Samsung Electronics