linux-kernel - Re: [PATCH 1/3] [CPUFREQ] make ACPI P-state cpufreq drivers depend on CONFIG_CPU

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Message-ID: <20091118041748.GC6648@ldl.fc.hp.com>
Date:	Tue, 17 Nov 2009 21:17:48 -0700
From:	Alex Chiang <achiang@...com>
To:	Dave Jones <davej@...hat.com>, linux-kernel@...r.kernel.org,
	cpufreq@...r.kernel.org
Subject: Re: [PATCH 1/3] [CPUFREQ] make ACPI P-state cpufreq drivers depend
	on CONFIG_CPU_FREQ

* Dave Jones <davej@...hat.com>:
> 
>  > diff --git a/arch/x86/kernel/cpu/cpufreq/Kconfig b/arch/x86/kernel/cpu/cpufreq/Kconfig
>  > index f138c6c..ca40a9f 100644
>  > --- a/arch/x86/kernel/cpu/cpufreq/Kconfig
>  > +++ b/arch/x86/kernel/cpu/cpufreq/Kconfig
>  > @@ -13,7 +13,7 @@ comment "CPUFreq processor drivers"
>  >  config X86_ACPI_CPUFREQ
>  >  	tristate "ACPI Processor P-States driver"
>  >  	select CPU_FREQ_TABLE
>  > -	depends on ACPI_PROCESSOR
>  > +	depends on ACPI_PROCESSOR && CPU_FREQ
>  >  	help
>  >  	  This driver adds a CPUFreq driver which utilizes the ACPI
>  >  	  Processor Performance States.
>  > @@ -69,7 +69,7 @@ config X86_POWERNOW_K6
>  >  config X86_POWERNOW_K7
>  >  	tristate "AMD Mobile Athlon/Duron PowerNow!"
>  >  	select CPU_FREQ_TABLE
>  > -	depends on X86_32
>  > +	depends on X86_32 && CPU_FREQ
>  >  	help
>  >  	  This adds the CPUFreq driver for mobile AMD K7 mobile processors.
>  >  
>  > @@ -87,7 +87,7 @@ config X86_POWERNOW_K7_ACPI
>  >  config X86_POWERNOW_K8
>  >  	tristate "AMD Opteron/Athlon64 PowerNow!"
>  >  	select CPU_FREQ_TABLE
>  > -	depends on ACPI && ACPI_PROCESSOR
>  > +	depends on ACPI && ACPI_PROCESSOR && CPU_FREQ
>  >  	help
>  >  	  This adds the CPUFreq driver for K8/K10 Opteron/Athlon64 processors.
>  
> This doesn't make sense, as this whole file is guarded with
> 
> if CPU_FREQ
> ...
> endif
> 
> The dependancy has to be true, or you wouldn't ever see these options.

Yes, sorry, you're right. Apologies for the noise.

/ac

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