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SubjectRe: [PATCH v5 7/7] Documentation:cpufreq:boost: Update BOOST documentation
On Tue, 16 Jul 2013 15:31:43 +0530 Viresh Kumar
> On 4 July 2013 14:20, Lukasz Majewski <> 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.

As fair as I've understood our previous discussion (at [*]) we have
agreed about this. We only export boost attribute when it is supported
by cpufreq_driver. Rafael was very clear about exporting boost

"Simple: Export it only when supported."

[*]: Re: [PATCH v4 2/7] cpufreq: Add boost frequency support in core
Best regards,

Lukasz Majewski

Samsung R&D Institute Poland (SRPOL) | Linux Platform Group

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