linux-kernel - Re: [PATCH 06/12] PM / OPP: Add 'struct kref' to struct dev_pm

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Message-ID: <20170109234427.GY17126@codeaurora.org>
Date:   Mon, 9 Jan 2017 15:44:27 -0800
From:   Stephen Boyd <sboyd@...eaurora.org>
To:     Viresh Kumar <viresh.kumar@...aro.org>
Cc:     Rafael Wysocki <rjw@...ysocki.net>,
        Viresh Kumar <vireshk@...nel.org>, Nishanth Menon <nm@...com>,
        linaro-kernel@...ts.linaro.org, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Vincent Guittot <vincent.guittot@...aro.org>
Subject: Re: [PATCH 06/12] PM / OPP: Add 'struct kref' to struct dev_pm_opp

On 12/07, Viresh Kumar wrote:
> Add kref to struct dev_pm_opp for easier accounting of the OPPs.
> 
> Note that the OPPs are freed under the opp_table->lock mutex only.

I'm lost. Why add another level of krefs?

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