linux-kernel - RE: [PATCH 1/3] PM / OPP: Add support for descending order for cpufreq table

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Date:	Wed, 07 May 2014 08:43:29 +0900
From:	Jonghwan Choi <jhbird.choi@...sung.com>
To:	'Viresh Kumar' <viresh.kumar@...aro.org>,
	'Nishanth Menon' <nm@...com>
Cc:	'Linux PM list' <linux-pm@...r.kernel.org>,
	'open list' <linux-kernel@...r.kernel.org>,
	"'Rafael J. Wysocki'" <rjw@...ysocki.net>,
	'Len Brown' <len.brown@...el.com>,
	'Amit Daniel Kachhap' <amit.daniel@...sung.com>
Subject: RE: [PATCH 1/3] PM / OPP: Add support for descending order for cpufreq
 table

Hi  

My holiday is finished.

I implemented another cpufreq driver. And that driver also have to use exynos_sort_descend_freq_table().
Then exynos5440 and new cpufreq have a duplicate function.(exynos_sort_descend_freq_table().
So I want to solve it.

Thanks.~

> -----Original Message-----
> From: Viresh Kumar [mailto:viresh.kumar@...aro.org]
> Sent: Monday, May 05, 2014 11:39 PM
> To: Nishanth Menon
> Cc: Jonghwan Choi; Linux PM list; open list; Rafael J. Wysocki; Len Brown;
> Amit Daniel Kachhap
> Subject: Re: [PATCH 1/3] PM / OPP: Add support for descending order for
> cpufreq table
> 
> On 5 May 2014 19:53, Nishanth Menon <nm@...com> wrote:
> > ceil and floor allows us to walk down the opp entries the direction we
> > want it to.
> > one can convert that data any way one wants it - especially when
> > custom mapping such as this is desired.
> 
> Yeah, but doing that for every frequency transition is not right.
> Otherwise they already have a solution, where they reverse order of
> frequencies for their driver. exynos_sort_descend_freq_table().
> 
> Probably that's a better solution then :)
> 
> But, Jonghwan was probably trying to get this solved in the framework only,
> in case anybody else needs it.
> 
> --
> viresh

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