Re: [PATCH 14/18] cpufreq: sh: move cpufreq driver to drivers/cpufreq

[Simon Horman <horms@verge.net.au>]

On Thu, Apr 04, 2013 at 06:24:22PM +0530, Viresh Kumar wrote:
> This patch moves cpufreq driver of SUPERH architecture to drivers/cpufreq.

Why?

I am missing the cover email where I assume the explanation lies.

> 
> Cc: Paul Mundt <lethal@linux-sh.org>
> Cc: linux-sh@vger.kernel.org
> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
> Acked-by: Paul Mundt <lethal@linux-sh.org>
> ---
>  arch/sh/Kconfig                                        | 18 ------------------
>  arch/sh/kernel/Makefile                                |  1 -
>  drivers/cpufreq/Kconfig                                | 18 ++++++++++++++++++
>  drivers/cpufreq/Makefile                               |  1 +
>  .../kernel/cpufreq.c => drivers/cpufreq/sh-cpufreq.c   |  2 --
>  5 files changed, 19 insertions(+), 21 deletions(-)
>  rename arch/sh/kernel/cpufreq.c => drivers/cpufreq/sh-cpufreq.c (99%)
> 
> diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
> index 5e85963..06e3163 100644
> --- a/arch/sh/Kconfig
> +++ b/arch/sh/Kconfig
> @@ -624,25 +624,7 @@ config SH_CLK_CPG_LEGACY
>  endmenu
>  
>  menu "CPU Frequency scaling"
> -
>  source "drivers/cpufreq/Kconfig"
> -
> -config SH_CPU_FREQ
> -	tristate "SuperH CPU Frequency driver"
> -	depends on CPU_FREQ
> -	select CPU_FREQ_TABLE
> -	help
> -	  This adds the cpufreq driver for SuperH. Any CPU that supports
> -	  clock rate rounding through the clock framework can use this
> -	  driver. While it will make the kernel slightly larger, this is
> -	  harmless for CPUs that don't support rate rounding. The driver
> -	  will also generate a notice in the boot log before disabling
> -	  itself if the CPU in question is not capable of rate rounding.
> -
> -	  For details, take a look at <file:Documentation/cpu-freq>.
> -
> -	  If unsure, say N.
> -
>  endmenu
>  
>  source "arch/sh/drivers/Kconfig"
> diff --git a/arch/sh/kernel/Makefile b/arch/sh/kernel/Makefile
> index f259b37..261c8bf 100644
> --- a/arch/sh/kernel/Makefile
> +++ b/arch/sh/kernel/Makefile
> @@ -31,7 +31,6 @@ obj-$(CONFIG_VSYSCALL)		+= vsyscall/
>  obj-$(CONFIG_SMP)		+= smp.o
>  obj-$(CONFIG_SH_STANDARD_BIOS)	+= sh_bios.o
>  obj-$(CONFIG_KGDB)		+= kgdb.o
> -obj-$(CONFIG_SH_CPU_FREQ)	+= cpufreq.o
>  obj-$(CONFIG_MODULES)		+= sh_ksyms_$(BITS).o module.o
>  obj-$(CONFIG_KEXEC)		+= machine_kexec.o relocate_kernel.o
>  obj-$(CONFIG_CRASH_DUMP)	+= crash_dump.o
> diff --git a/drivers/cpufreq/Kconfig b/drivers/cpufreq/Kconfig
> index 5030df5..602d5db 100644
> --- a/drivers/cpufreq/Kconfig
> +++ b/drivers/cpufreq/Kconfig
> @@ -258,5 +258,23 @@ depends on PPC32 || PPC64
>  source "drivers/cpufreq/Kconfig.powerpc"
>  endmenu
>  
> +menu "SH CPU Frequency scaling"
> +depends on SUPERH
> +config SH_CPU_FREQ
> +	tristate "SuperH CPU Frequency driver"
> +	select CPU_FREQ_TABLE
> +	help
> +	  This adds the cpufreq driver for SuperH. Any CPU that supports
> +	  clock rate rounding through the clock framework can use this
> +	  driver. While it will make the kernel slightly larger, this is
> +	  harmless for CPUs that don't support rate rounding. The driver
> +	  will also generate a notice in the boot log before disabling
> +	  itself if the CPU in question is not capable of rate rounding.
> +
> +	  For details, take a look at <file:Documentation/cpu-freq>.
> +
> +	  If unsure, say N.
> +endmenu
> +
>  endif
>  endmenu
> diff --git a/drivers/cpufreq/Makefile b/drivers/cpufreq/Makefile
> index f6226d1..12607d9 100644
> --- a/drivers/cpufreq/Makefile
> +++ b/drivers/cpufreq/Makefile
> @@ -88,3 +88,4 @@ obj-$(CONFIG_CRIS_MACH_ARTPEC3)		+= cris-artpec3-cpufreq.o
>  obj-$(CONFIG_ETRAXFS)			+= cris-etraxfs-cpufreq.o
>  obj-$(CONFIG_IA64_ACPI_CPUFREQ)		+= ia64-acpi-cpufreq.o
>  obj-$(CONFIG_LOONGSON2_CPUFREQ)		+= loongson2_cpufreq.o
> +obj-$(CONFIG_SH_CPU_FREQ)		+= sh-cpufreq.o
> diff --git a/arch/sh/kernel/cpufreq.c b/drivers/cpufreq/sh-cpufreq.c
> similarity index 99%
> rename from arch/sh/kernel/cpufreq.c
> rename to drivers/cpufreq/sh-cpufreq.c
> index 88c8fee..73adb64 100644
> --- a/arch/sh/kernel/cpufreq.c
> +++ b/drivers/cpufreq/sh-cpufreq.c
> @@ -1,6 +1,4 @@
>  /*
> - * arch/sh/kernel/cpufreq.c
> - *
>   * cpufreq driver for the SuperH processors.
>   *
>   * Copyright (C) 2002 - 2012 Paul Mundt
> -- 
> 1.7.12.rc2.18.g61b472e
> 
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