linux-kernel - Re: [PATCH v3 5/5] cpufreq: remove no longer needed CPU_FREQ_BOOST

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Date:	Tue, 04 Aug 2015 03:09:11 +0200
From:	"Rafael J. Wysocki" <rjw@...ysocki.net>
To:	Viresh Kumar <viresh.kumar@...aro.org>
Cc:	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
	Thomas Abraham <thomas.ab@...sung.com>,
	Sylwester Nawrocki <s.nawrocki@...sung.com>,
	Michael Turquette <mturquette@...libre.com>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Kukjin Kim <kgene@...nel.org>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	Tomasz Figa <tomasz.figa@...il.com>,
	Lukasz Majewski <l.majewski@...sung.com>,
	Heiko Stuebner <heiko@...ech.de>,
	Chanwoo Choi <cw00.choi@...sung.com>,
	Kevin Hilman <khilman@...aro.org>,
	Javier Martinez Canillas <javier@...hile0.org>,
	Tobias Jakobi <tjakobi@...h.uni-bielefeld.de>,
	Anand Moon <linux.amoon@...il.com>,
	linux-samsung-soc@...r.kernel.org, linux-clk@...r.kernel.org,
	linux-pm@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Javier Martinez Canillas <javier@....samsung.com>
Subject: Re: [PATCH v3 5/5] cpufreq: remove no longer needed CPU_FREQ_BOOST_SW config option

On Saturday, August 01, 2015 04:45:37 PM Viresh Kumar wrote:
> On 31-07-15, 20:49, Bartlomiej Zolnierkiewicz wrote:
> > Remove no longer needed CPU_FREQ_BOOST_SW config option.
> > 
> > As a result scaling_boost_freqs sysfs attribute is available
> > when cpufreq-dt driver is used and boost support is enabled.
> > 
> > Cc: Viresh Kumar <viresh.kumar@...aro.org>
> > Cc: Thomas Abraham <thomas.ab@...sung.com>
> > Cc: Javier Martinez Canillas <javier@....samsung.com>
> > Cc: Krzysztof Kozlowski <k.kozlowski@...sung.com>
> > Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
> > ---
> >  drivers/cpufreq/Kconfig      | 4 ----
> >  drivers/cpufreq/freq_table.c | 2 --
> >  2 files changed, 6 deletions(-)
> > 
> > diff --git a/drivers/cpufreq/Kconfig b/drivers/cpufreq/Kconfig
> > index bf6d596..de00a52 100644
> > --- a/drivers/cpufreq/Kconfig
> > +++ b/drivers/cpufreq/Kconfig
> > @@ -21,10 +21,6 @@ if CPU_FREQ
> >  config CPU_FREQ_GOV_COMMON
> >  	bool
> >  
> > -config CPU_FREQ_BOOST_SW
> > -	bool
> > -	depends on THERMAL
> > -
> >  config CPU_FREQ_STAT
> >  	tristate "CPU frequency translation statistics"
> >  	default y
> > diff --git a/drivers/cpufreq/freq_table.c b/drivers/cpufreq/freq_table.c
> > index a8f1daf..4c5de5b 100644
> > --- a/drivers/cpufreq/freq_table.c
> > +++ b/drivers/cpufreq/freq_table.c
> > @@ -293,9 +293,7 @@ EXPORT_SYMBOL_GPL(cpufreq_freq_attr_scaling_boost_freqs);
> >  
> >  struct freq_attr *cpufreq_generic_attr[] = {
> >  	&cpufreq_freq_attr_scaling_available_freqs,
> > -#ifdef CONFIG_CPU_FREQ_BOOST_SW
> >  	&cpufreq_freq_attr_scaling_boost_freqs,
> > -#endif
> >  	NULL,
> >  };
> >  EXPORT_SYMBOL_GPL(cpufreq_generic_attr);
> 
> So, this will start appearing for all platforms that use cpufreq_generic_attr
> and that may not be the right thing. We may only want to show boost frequencies
> only if the driver supports it.
> 
> @Rafael: What do you say?

I agree.

Thanks,
Rafael

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