[PATCH 3/4] ARM: EXYNOS: Kconfig: Group EXYNOS{4212,4412} into EXYNOS4X12

[Kukjin Kim]

Tomasz Figa wrote:
> 
> This patch adds CONFIG_EXYNOS4X12, which is automatically selected
> whenever there is at least one SoC from Exynos4x12 line enabled. All the
> shared dependencies of EXYNOS{4212,4412} are moved to this new
> option.
> 
> This fixes build with Exynos4412 enabled and Exynos4212 and Exynos4210
> disabled and also allows to simplify conditional compilation in several
> places.
> 
> Signed-off-by: Tomasz Figa <t.figa at samsung.com>
> Signed-off-by: Kyungmin Park <kyungmin.park at samsung.com>
> ---
>  arch/arm/mach-exynos/Kconfig  | 15 +++++++++------
>  arch/arm/mach-exynos/Makefile |  2 +-
>  arch/arm/mach-exynos/common.h |  2 +-
>  drivers/cpufreq/Kconfig.arm   |  2 +-
>  4 files changed, 12 insertions(+), 9 deletions(-)
> 
> diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig
> index 9f91892..6ea95f0 100644
> --- a/arch/arm/mach-exynos/Kconfig
> +++ b/arch/arm/mach-exynos/Kconfig
> @@ -38,22 +38,25 @@ config SOC_EXYNOS4210
>  	help
>  	  Enable EXYNOS4210 CPU support
> 
> -config SOC_EXYNOS4212
> -	bool "SAMSUNG EXYNOS4212"
> -	default y
> +config SOC_EXYNOS4X12
> +	def_bool n
>  	select ARCH_EXYNOS4
>  	select SAMSUNG_DMADEV
> +	select ARM_CPU_SUSPEND if PM
>  	select S5P_PM if PM
>  	select S5P_SLEEP if PM
> +
> +config SOC_EXYNOS4212
> +	bool "SAMSUNG EXYNOS4212"
> +	select SOC_EXYNOS4X12
> +	default y
>  	help
>  	  Enable EXYNOS4212 SoC support
> 
>  config SOC_EXYNOS4412
>  	bool "SAMSUNG EXYNOS4412"
> -	select ARCH_EXYNOS4
> +	select SOC_EXYNOS4X12
>  	default y
> -	depends on ARCH_EXYNOS4
> -	select SAMSUNG_DMADEV
>  	help
>  	  Enable EXYNOS4412 SoC support
> 
> diff --git a/arch/arm/mach-exynos/Makefile b/arch/arm/mach-exynos/Makefile
> index ceeb8c9..f88fcb6 100644
> --- a/arch/arm/mach-exynos/Makefile
> +++ b/arch/arm/mach-exynos/Makefile
> @@ -16,7 +16,7 @@ obj-$(CONFIG_ARCH_EXYNOS)	+= common.o
>  obj-$(CONFIG_ARCH_EXYNOS4)	+= clock-exynos4.o
>  obj-$(CONFIG_ARCH_EXYNOS5)	+= clock-exynos5.o
>  obj-$(CONFIG_SOC_EXYNOS4210)	+= clock-exynos4210.o
> -obj-$(CONFIG_SOC_EXYNOS4212)	+= clock-exynos4212.o
> +obj-$(CONFIG_SOC_EXYNOS4X12)	+= clock-exynos4212.o
> 
>  obj-$(CONFIG_PM)		+= pm.o
>  obj-$(CONFIG_PM_GENERIC_DOMAINS) += pm_domains.o
> diff --git a/arch/arm/mach-exynos/common.h b/arch/arm/mach-exynos/common.h
> index 054c786..a8cb3e6 100644
> --- a/arch/arm/mach-exynos/common.h
> +++ b/arch/arm/mach-exynos/common.h
> @@ -52,7 +52,7 @@ void exynos4210_register_clocks(void);
>  #define exynos4210_register_clocks()
>  #endif
> 
> -#ifdef CONFIG_SOC_EXYNOS4212
> +#ifdef CONFIG_SOC_EXYNOS4X12
>  void exynos4212_register_clocks(void);
> 
>  #else
> diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm
> index ca4ede3..d0ff91a 100644
> --- a/drivers/cpufreq/Kconfig.arm
> +++ b/drivers/cpufreq/Kconfig.arm
> @@ -66,7 +66,7 @@ config ARM_EXYNOS4210_CPUFREQ
>  	  SoC (S5PV310 or S5PC210).
> 
>  config ARM_EXYNOS4X12_CPUFREQ
> -	def_bool (SOC_EXYNOS4212 || SOC_EXYNOS4412)
> +	def_bool SOC_EXYNOS4X12
>  	help
>  	  This adds the CPUFreq driver for Samsung EXYNOS4X12
>  	  SoC (EXYNOS4212 or EXYNOS4412).
> --
> 1.7.12

Well, do we _really_ need to define CONFIG_SOC_EXYNOS4X12 for supporting
common part of exynos4212 and exynos4412? In my opinion, it will cause
confusion rather than reducing code size. Let's just use its own name for
SoC.

Thanks.

Best regards,
Kgene.
--
Kukjin Kim <kgene.kim at samsung.com>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.