linux-kernel - Re: [PATCH] PM / OPP: discard duplicate OPP additions

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Date:	Thu, 15 May 2014 11:40:57 +0530
From:	Inderpal Singh <inderpal.s@...sung.com>
To:	Viresh Kumar <viresh.kumar@...aro.org>
Cc:	Nishanth Menon <nm@...com>, Pavel Machek <pavel@....cz>,
	"[Chander Kashyap" <chander.kashyap@...aro.org>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	"Brown, Len" <len.brown@...el.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Chander Kashyap <k.chander@...sung.com>
Subject: Re: [PATCH] PM / OPP: discard duplicate OPP additions

On Thu, May 15, 2014 at 11:31 AM, Viresh Kumar <viresh.kumar@...aro.org> wrote:
> On 15 May 2014 11:16, Inderpal Singh <inderpal.s@...sung.com> wrote:
>> I think I did not make myself clear.
>
> Probably I was the one who got confused :)
>
>> Devfreq will have its own opp table associated with its own device. It
>> does not uses the opp table of cpus.
>> Hence there may be need to free the table if driver (at least devfreq)
>> getting un-registered.
>
> We may have an unregister routine routine, I am not arguing about that.
> But we don't need to call that for CPU's opp, that's it.. For devices it might
> make sense to free memory.

Yes the provision should be there in the OPP framework and let the
individual drivers decide whether to invoke or not.


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