linux-kernel - RE: [PATCH 19/44] cpufreq: exynos: Use generic cpufreq routines

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Message-id: <15fe01ce9c5e$6411a560$2c34f020$@org>
Date:	Mon, 19 Aug 2013 07:00:45 +0900
From:	Kukjin Kim <kgene@...nel.org>
To:	'amit daniel kachhap' <amit.daniel@...sung.com>,
	'Viresh Kumar' <viresh.kumar@...aro.org>
Cc:	"'Rafael J. Wysocki'" <rjw@...k.pl>,
	linaro-kernel@...ts.linaro.org, patches@...aro.org,
	cpufreq@...r.kernel.org, linux-pm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: RE: [PATCH 19/44] cpufreq: exynos: Use generic cpufreq routines

amit daniel kachhap wrote:
> 
> On Sat, Aug 10, 2013 at 12:14 PM, Viresh Kumar <viresh.kumar@...aro.org>
> wrote:
> > Most of the CPUFreq drivers do similar things in .exit() and .verify()
> routines
> > and .attr. So its better if we have generic routines for them which can
> be used
> > by cpufreq drivers then.
> >
> > This patch uses these generic routines for this driver.
> >
> > Cc: Kukjin Kim <kgene.kim@...sung.com>

Looks good.

Acked-by: Kukjin Kim <kgene.kim@...sung.com>

Thanks,
Kukjin

> > Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
> The consolidation code looks fine,
> Acked-By: Amit Daniel Kachhap <amit.daniel@...sung.com>
> 
> Thanks,
> Amit Daniel
> > ---
> >  drivers/cpufreq/exynos-cpufreq.c     | 23 +++--------------------
> >  drivers/cpufreq/exynos5440-cpufreq.c | 15 ++-------------
> >  2 files changed, 5 insertions(+), 33 deletions(-)
> >
> > diff --git a/drivers/cpufreq/exynos-cpufreq.c b/drivers/cpufreq/exynos-
> cpufreq.c
> > index 71c4926..7663a96 100644
> > --- a/drivers/cpufreq/exynos-cpufreq.c
> > +++ b/drivers/cpufreq/exynos-cpufreq.c
> > @@ -31,12 +31,6 @@ static unsigned int locking_frequency;
> >  static bool frequency_locked;
> >  static DEFINE_MUTEX(cpufreq_lock);
> >
> > -static int exynos_verify_speed(struct cpufreq_policy *policy)
> > -{
> > -       return cpufreq_frequency_table_verify(policy,
> > -                                             exynos_info->freq_table);
> > -}
> > -
> >  static unsigned int exynos_getspeed(unsigned int cpu)
> >  {
> >         return clk_get_rate(exynos_info->cpu_clk) / 1000;
> > @@ -257,26 +251,15 @@ static int exynos_cpufreq_cpu_init(struct
> cpufreq_policy *policy)
> >         return cpufreq_table_validate_and_show(policy, exynos_info-
> >freq_table);
> >  }
> >
> > -static int exynos_cpufreq_cpu_exit(struct cpufreq_policy *policy)
> > -{
> > -       cpufreq_frequency_table_put_attr(policy->cpu);
> > -       return 0;
> > -}
> > -
> > -static struct freq_attr *exynos_cpufreq_attr[] = {
> > -       &cpufreq_freq_attr_scaling_available_freqs,
> > -       NULL,
> > -};
> > -
> >  static struct cpufreq_driver exynos_driver = {
> >         .flags          = CPUFREQ_STICKY,
> > -       .verify         = exynos_verify_speed,
> > +       .verify         = cpufreq_generic_frequency_table_verify,
> >         .target         = exynos_target,
> >         .get            = exynos_getspeed,
> >         .init           = exynos_cpufreq_cpu_init,
> > -       .exit           = exynos_cpufreq_cpu_exit,
> > +       .exit           = cpufreq_generic_exit,
> >         .name           = "exynos_cpufreq",
> > -       .attr           = exynos_cpufreq_attr,
> > +       .attr           = cpufreq_generic_attr,
> >  #ifdef CONFIG_PM
> >         .suspend        = exynos_cpufreq_suspend,
> >         .resume         = exynos_cpufreq_resume,
> > diff --git a/drivers/cpufreq/exynos5440-cpufreq.c
> b/drivers/cpufreq/exynos5440-cpufreq.c
> > index b9dfc91..f139b3b 100644
> > --- a/drivers/cpufreq/exynos5440-cpufreq.c
> > +++ b/drivers/cpufreq/exynos5440-cpufreq.c
> > @@ -209,12 +209,6 @@ static void exynos_enable_dvfs(void)
> >                                 dvfs_info->base + XMU_DVFS_CTRL);
> >  }
> >
> > -static int exynos_verify_speed(struct cpufreq_policy *policy)
> > -{
> > -       return cpufreq_frequency_table_verify(policy,
> > -                                             dvfs_info->freq_table);
> > -}
> > -
> >  static unsigned int exynos_getspeed(unsigned int cpu)
> >  {
> >         return dvfs_info->cur_frequency;
> > @@ -336,18 +330,13 @@ static int exynos_cpufreq_cpu_init(struct
> cpufreq_policy *policy)
> >         return 0;
> >  }
> >
> > -static int exynos_cpufreq_cpu_init(struct cpufreq_policy *policy)
> > -{
> > -       cpufreq_frequency_table_put_attr(policy->cpu);
> > -}
> > -
> >  static struct cpufreq_driver exynos_driver = {
> >         .flags          = CPUFREQ_STICKY,
> > -       .verify         = exynos_verify_speed,
> > +       .verify         = cpufreq_generic_frequency_table_verify,
> >         .target         = exynos_target,
> >         .get            = exynos_getspeed,
> >         .init           = exynos_cpufreq_cpu_init,
> > -       .exit           = exynos_cpufreq_cpu_exit,
> > +       .exit           = cpufreq_generic_exit,
> >         .name           = CPUFREQ_NAME,
> >  };
> >
> > --
> > 1.7.12.rc2.18.g61b472e

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