On Wed, 26 Jun 2013 16:24:32 +0530, Viresh Kumar wrote:
> > +int cpufreq_boost_trigger_state(int state)
> > +{
> > + unsigned long flags;
> > + int ret = 0;
> > +
> > + if (boost_enabled != state) {
> > + write_lock_irqsave(&cpufreq_driver_lock, flags);
> > + boost_enabled = state;
> > + if (cpufreq_driver->enable_boost)
> > + ret = cpufreq_driver->enable_boost(state);
> > + else
> > + ret = cpufreq_boost_trigger_state_sw();
I will use only one call to cpufreq_driver->enable_boost(state) [*] with
either cpufreq_boost_enable_sw() (function with SW boost handling) or
the one provided by cpufreq driver.
Only when cpufreq driver doesn't provide [*], it will be filled with
"default" cpufreq_boost_enable_sw().
> > +
> > + if (ret) {
> > + boost_enabled = 0;
> > +
> > write_unlock_irqrestore(&cpufreq_driver_lock, flags);
> > + pr_err("%s: BOOST cannot enable (%d)\n",
> > + __func__, ret);
> > +
> > + return ret;
> > + }
> > + write_unlock_irqrestore(&cpufreq_driver_lock,
> > flags);
--
Best regards,
Lukasz Majewski
Samsung R&D Institute Poland (SRPOL) | Linux Platform Group
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