linux-kernel - Re: [PATCH v7 4/7] cpufreq:boost:Kconfig: Provide support for software managed BOOST

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Message-ID: <CAKohpon0+A0y3toZg_ckYuW7U0BXsvBvxBkDDyY9w+sKdDw_rQ@mail.gmail.com>
Date:	Mon, 26 Aug 2013 11:05:13 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	Lukasz Majewski <l.majewski@...sung.com>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>, Zhang Rui <rui.zhang@...el.com>,
	Eduardo Valentin <eduardo.valentin@...com>,
	"cpufreq@...r.kernel.org" <cpufreq@...r.kernel.org>,
	Linux PM list <linux-pm@...r.kernel.org>,
	Jonghwa Lee <jonghwa3.lee@...sung.com>,
	Lukasz Majewski <l.majewski@...ess.pl>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Myungjoo Ham <myungjoo.ham@...sung.com>,
	"R, Durgadoss" <durgadoss.r@...el.com>
Subject: Re: [PATCH v7 4/7] cpufreq:boost:Kconfig: Provide support for
 software managed BOOST

On 13 August 2013 15:38, Lukasz Majewski <l.majewski@...sung.com> wrote:
> For safety reasons new flag - CONFIG_CPU_FREQ_BOOST_SW has been added.
> Only after selecting "EXYNOS Frequency Overclocking - Software" Kconfig
> option the software managed boost is enabled. It also selects thermal
> subsystem to be compiled in. Thermal is necessary for disabling boost
> and cooling down the device when overheating detected.
>
> Boost _MUST_NOT_ work without thermal subsystem with properly defined
> overheating temperatures.
>
> This option doesn't affect x86's ACPI hardware managed boost support
> (i.e. Intel, AMD). In this situation boost management is embedded at
> hardware.
>
> Signed-off-by: Lukasz Majewski <l.majewski@...sung.com>
> Signed-off-by: Myungjoo Ham <myungjoo.ham@...sung.com>
>
> ---
> Changes for v7:
> - Remove superfluous "default n" definition
> - Generic CPU_FREQ_BOOST_SW depends on THERMAL

Acked-by: Viresh Kumar <viresh.kumar@...aro.org>
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