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SubjectRe: [PATCH 2/5] cpufreq:boost: Add support for software based CPU frequency boost
Hi Viresh,

> Hi Lukasz,
> On 7 June 2013 18:57, Lukasz Majewski <> wrote:
> I hope you agreed to all the other comments I gave as I don't see an
> explicit reply below each of these. I have seen people missing these
> in past, so what would be better to do is:
> - either reply below each one of them and say yes or no..
> - Or write once below many comments and say: All above comments
> are accepted.
> So, that Reviewer is assured that you haven't missed anything.

Thanks for reminding :-).

I've read through all the comments. I'm redesigning now the driver to
remove redundant code.

> > I would prefer to have following fields in the cpufreq_boost
> > structure: struct cpufreq_boost {
> > unsigned int max_boost_freq; /*boost max freq*/
> > unsigned int max_normal_freq; /*max normal freq
> > int (*low_level_boost) (int state);
> > bool boost_en; /* indicate if boost is enabled */
> > }
> >
> > The max_{boost|normal}_freq fields will be filed at
> > ret = cpufreq_driver->init(policy);
> >
> > Thanks to them I will avoid calling many times routine, which
> > extracts from freq_table maximal boost and normal frequencies.
> >
> > I could define those variables in the exynos-cpufreq.c driver, but I
> > think, that they are more suitable to be embedded at cpufreq_boost
> > structure.
> I understand that you need these variables (I will still look how you
> are using them in next version). But they are per policy and driver
> isn't responsible for maintaining them. If they are required then
> cpufreq core must find them out and keep in struct cpufreq_policy (as
> they are policy dependent)..
> So, remove this structure from cpufreq_driver and embed variables
> directly.

After refactoring the code. I admit, that we shall embed the struct
cpu_boost fields directly to the coufreq_driver. There is no point to
create structure with 2 fields.

Best regards,

Lukasz Majewski

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

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