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

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Date:   Mon, 30 Jan 2017 10:20:19 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Chanwoo Choi <cw00.choi@...sung.com>
Cc:     MyungJoo Ham <myungjoo.ham@...sung.com>,
        Kyungmin Park <kyungmin.park@...sung.com>, hl@...k-chips.com,
        tjakobi@...h.uni-bielefeld.de, chanwoo@...nel.org,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Linux PM list <linux-pm@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 2/2] PM / devfreq: Add suspend frequency support

On Wed, Dec 28, 2016 at 5:37 PM, Chanwoo Choi <cw00.choi@...sung.com> 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 ?

dev_pm_opp_get_suspend_opp_freq()