linux-kernel - Re: [PATCH v3 2/2] cpufreq: tegra: Re-model Tegra cpufreq driver

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Message-ID: <CAKohpom0n8P8goQnsgBnWJwyqCVv_FRX3xKvO1yFW0VUMpMW8w@mail.gmail.com>
Date:	Wed, 18 Dec 2013 16:41:35 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	bilhuang <bilhuang@...dia.com>
Cc:	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Stephen Warren <swarren@...dotorg.org>,
	"thierry.reding@...il.com" <thierry.reding@...il.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"cpufreq@...r.kernel.org" <cpufreq@...r.kernel.org>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>
Subject: Re: [PATCH v3 2/2] cpufreq: tegra: Re-model Tegra cpufreq driver

On 17 December 2013 16:22, bilhuang <bilhuang@...dia.com> wrote:
> Tegra20 DVFS is a little bit complicated due to the fact that we can't scale
> VDD_CPU directly, there are constraints or relationship to other power rails
> so I don't think it is a good idea to use generic cpufreq-cpu0 driver if
> we're going to support voltage scaling.

But why can't we handle that in a CPU specific regulator code?
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