linux-kernel - RE: [PATCH v6 2/6] ARM: EXYNOS: Move cpufreq and cpuidle device registration to init

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Message-id: <026701cf9c43$98b20860$ca161920$@samsung.com>
Date:	Thu, 10 Jul 2014 22:33:55 +0900
From:	Kukjin Kim <kgene.kim@...sung.com>
To:	'Pankaj Dubey' <pankaj.dubey@...sung.com>
Cc:	linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux@....linux.org.uk, naushad@...sung.com, t.figa@...sung.com,
	joshi@...sung.com, vikas.sajjan@...sung.com, chow.kim@...sung.com
Subject: RE: [PATCH v6 2/6] ARM: EXYNOS: Move cpufreq and cpuidle device
 registration to init_machine

Pankaj Dubey wrote:
> 
> Hi Kukjin,
> 
Hi,

> >
> > On 07/07/14 12:50, Pankaj Dubey wrote:
> > > As exynos_cpuidle_init and exynos_cpufreq_init function have just one
> > > lines of code for registering platform devices. We can move these
> > > lines to exynos_dt_machine_init and delete exynos_cpuidle_init and
> > > exynos_cpufreq_init function. This will help in reducing lines of code
> > > in exynos.c, making it more cleaner.
> > >
> > > Suggested-by: Tomasz Figa<t.figa@...sung.com>
> > > Signed-off-by: Pankaj Dubey<pankaj.dubey@...sung.com>
> > > Reviewed-by: Tomasz Figa<t.figa@...sung.com>
> > > ---
> > >   arch/arm/mach-exynos/exynos.c |   20 ++++----------------
> > >   1 file changed, 4 insertions(+), 16 deletions(-)
> > >
> > > diff --git a/arch/arm/mach-exynos/exynos.c
> > > b/arch/arm/mach-exynos/exynos.c index ff60b4c..47170eb 100644
> > > --- a/arch/arm/mach-exynos/exynos.c
> > > +++ b/arch/arm/mach-exynos/exynos.c
> > > @@ -171,19 +171,6 @@ static struct platform_device exynos_cpuidle = {
> > >   	.id                = -1,
> > >   };
> > >
> > > -void __init exynos_cpuidle_init(void) -{
> > > -	if (soc_is_exynos5440())
> > > -		return;
> > > -
> > > -	platform_device_register(&exynos_cpuidle);
> > > -}
> > > -
> > > -void __init exynos_cpufreq_init(void) -{
> > > -	platform_device_register_simple("exynos-cpufreq", -1, NULL, 0);
> > > -}
> > > -
> > >   void __iomem *sysram_base_addr;
> > >   void __iomem *sysram_ns_base_addr;
> > >
> > > @@ -300,10 +287,11 @@ static void __init exynos_dt_machine_init(void)
> > >   	if (!IS_ENABLED(CONFIG_SMP))
> > >   		exynos_sysram_init();
> > >
> > > -	if (!of_machine_is_compatible("samsung,exynos5420"))
> > > -		exynos_cpuidle_init();
> > > +	if (!of_machine_is_compatible("samsung,exynos5420") ||
> > > +			!of_machine_is_compatible("samsung,exynos5440"))
> > > +		platform_device_register(&exynos_cpuidle);
> > >
> > > -	exynos_cpufreq_init();
> > > +	platform_device_register_simple("exynos-cpufreq", -1, NULL, 0);
> > >
> > >   	of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
> > >   }
> >
> > This cannot be applied in my tree now....
> >
> 
> May I know what the issue is? As I am able to rebase this patch on today's
> kgene/for-next
> and could not see any merge conflict.
> If you think I need to respin this patch please let me know.
> 

Pankaj, I found this is based on cpuidle related branch in my tree, BTW this
has a dependency with following so please respin your patch once I take the
patch in my tree maybe tonight.

https://lkml.org/lkml/2014/6/24/286

Thanks,
Kukjin

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