linux-kernel - Re: [PATCH V4 0/2] cpufreq: Sort policy->freq

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Message-ID: <27658050.4ol4GjkJ1n@vostro.rjw.lan>
Date:	Wed, 08 Jun 2016 02:19:51 +0200
From:	"Rafael J. Wysocki" <rjw@...ysocki.net>
To:	Viresh Kumar <viresh.kumar@...aro.org>
Cc:	linaro-kernel@...ts.linaro.org, linux-pm@...r.kernel.org,
	linux-kernel@...r.kernel.org, steve.muckle@...aro.org
Subject: Re: [PATCH V4 0/2] cpufreq: Sort policy->freq_table

On Tuesday, June 07, 2016 03:55:13 PM Viresh Kumar wrote:
> Hi Rafael,
> 
> I have spent some more time on this stuff and finally came out with a
> very simple solution. I hope you will like it more than the previous
> versions.
> 
> Instead of trying to sort the freq-table passed by the drivers, which
> was complicated and would have broken some drivers for sure, this patch
> just checks if the freq-table is sorted or not.
> 
> If it is sorted, then we just use a different set of helpers for it. The
> table can be sorted in both ascending and descending orders now and
> helpers are present for both the cases.

Well, that's something I was thinking about from the start. :-)

> All the patches are pushed here for testing in case anyone wants to try:
> git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm.git cpufreq/sorted-freq-table
> 
> V3->V4:
> - Written from scratch really, completely different approach.

I'll look at the code later this week.

Thanks,
Rafael