linux-kernel - Re: [PATCH v5 7/7] Documentation:cpufreq:boost: Update BOOST documentation

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Message-ID: <CAKohpo=oB_4gGtNn6jvxSCp665pOq6oqeTCCyGzmN_eWqt0Lhg@mail.gmail.com>
Date:	Tue, 16 Jul 2013 15:31:43 +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>, l.majewski@...ess.pl,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Andre Przywara <andre.przywara@...aro.org>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Myungjoo Ham <myungjoo.ham@...sung.com>
Subject: Re: [PATCH v5 7/7] Documentation:cpufreq:boost: Update BOOST documentation

On 4 July 2013 14:20, Lukasz Majewski <l.majewski@...sung.com> wrote:
> -Reading the file is always supported, even if the processor does not
> -support boosting. In this case the file will be read-only and always
> -reads as "0". Explicitly changing the permissions and writing to that
> -file anyway will return EINVAL.
> +The file is exported only when cpufreq driver supports boosting.
> +Explicitly changing the permissions and writing to that file anyway will
> +return EINVAL.

For acpi-cpufreq reading the file should be always supported. And this
must be mentioned in doc.
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