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Date:   Wed, 23 Oct 2019 12:57:17 +0200
From:   Krzysztof Kozlowski <krzk@kernel.org>
To:     Arnd Bergmann <arnd@arndb.de>
Cc:     Kukjin Kim <kgene@kernel.org>,
        Ulf Hansson <ulf.hansson@linaro.org>,
        linux-samsung-soc@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linus.walleij@linaro.org,
        Olof Johansson <olof@lixom.net>,
        Sascha Hauer <s.hauer@pengutronix.de>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
        "Enrico Weigelt, metux IT consult" <info@metux.net>,
        linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org
Subject: Re: [PATCH 08/36] ARM: exynos: stop selecting PLAT_SAMSUNG
Message-ID: <20191023105717.GF10630@pi3>
References: <20191010202802.1132272-1-arnd@arndb.de>
 <20191010203043.1241612-1-arnd@arndb.de>
 <20191010203043.1241612-8-arnd@arndb.de>
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On Thu, Oct 10, 2019 at 10:29:52PM +0200, Arnd Bergmann wrote:
> Now that no code in arch/arm is shared between mach-exynos and the
> others, make the split formal.
> 
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ---
>  arch/arm/Kconfig.debug        | 8 ++++----
>  arch/arm/Makefile             | 1 -
>  arch/arm/mach-exynos/Makefile | 4 ----
>  arch/arm/plat-samsung/Kconfig | 4 ++--
>  drivers/mmc/host/Kconfig      | 2 +-
>  5 files changed, 7 insertions(+), 12 deletions(-)
> 
> diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
> index d05b836dfeb2..9c4f2d6deb06 100644
> --- a/arch/arm/Kconfig.debug
> +++ b/arch/arm/Kconfig.debug
> @@ -998,7 +998,7 @@ choice
>  		  via SCIFA4 on Renesas SH-Mobile AG5 (SH73A0).
>  
>  	config DEBUG_S3C_UART0
> -		depends on PLAT_SAMSUNG
> +		depends on PLAT_SAMSUNG || ARCH_EXYNOS
>  		select DEBUG_EXYNOS_UART if ARCH_EXYNOS
>  		select DEBUG_S3C24XX_UART if ARCH_S3C24XX
>  		select DEBUG_S3C64XX_UART if ARCH_S3C64XX
> @@ -1010,7 +1010,7 @@ choice
>  		  by the boot-loader before use.
>  
>  	config DEBUG_S3C_UART1
> -		depends on PLAT_SAMSUNG
> +		depends on PLAT_SAMSUNG || ARCH_EXYNOS
>  		select DEBUG_EXYNOS_UART if ARCH_EXYNOS
>  		select DEBUG_S3C24XX_UART if ARCH_S3C24XX
>  		select DEBUG_S3C64XX_UART if ARCH_S3C64XX
> @@ -1022,7 +1022,7 @@ choice
>  		  by the boot-loader before use.
>  
>  	config DEBUG_S3C_UART2
> -		depends on PLAT_SAMSUNG
> +		depends on PLAT_SAMSUNG || ARCH_EXYNOS
>  		select DEBUG_EXYNOS_UART if ARCH_EXYNOS
>  		select DEBUG_S3C24XX_UART if ARCH_S3C24XX
>  		select DEBUG_S3C64XX_UART if ARCH_S3C64XX
> @@ -1034,7 +1034,7 @@ choice
>  		  by the boot-loader before use.
>  
>  	config DEBUG_S3C_UART3
> -		depends on PLAT_SAMSUNG && (ARCH_EXYNOS || ARCH_S5PV210)
> +		depends on ARCH_EXYNOS || ARCH_S5PV210

You need to keep PLAT_SAMSUNG because of additional architectures, so
follow pattern from DEBUG_S3C_UART2.

Best regards,
Krzysztof

>  		select DEBUG_EXYNOS_UART if ARCH_EXYNOS
>  		select DEBUG_S3C64XX_UART if ARCH_S3C64XX
>  		select DEBUG_S5PV210_UART if ARCH_S5PV210
> diff --git a/arch/arm/Makefile b/arch/arm/Makefile
> index db857d07114f..f492d7c338fe 100644
> --- a/arch/arm/Makefile
> +++ b/arch/arm/Makefile
> @@ -233,7 +233,6 @@ machine-$(CONFIG_PLAT_SPEAR)		+= spear
>  
>  # Platform directory name.  This list is sorted alphanumerically
>  # by CONFIG_* macro name.
> -plat-$(CONFIG_ARCH_EXYNOS)	+= samsung
>  plat-$(CONFIG_ARCH_OMAP)	+= omap
>  plat-$(CONFIG_ARCH_S3C64XX)	+= samsung
>  plat-$(CONFIG_ARCH_S5PV210)	+= samsung
> diff --git a/arch/arm/mach-exynos/Makefile b/arch/arm/mach-exynos/Makefile
> index 0fd3fcf8bfb0..53fa363c8e44 100644
> --- a/arch/arm/mach-exynos/Makefile
> +++ b/arch/arm/mach-exynos/Makefile
> @@ -3,10 +3,6 @@
>  # Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
>  #		http://www.samsung.com/
>  
> -ccflags-$(CONFIG_ARCH_MULTIPLATFORM) += -I$(srctree)/$(src)/include -I$(srctree)/arch/arm/plat-samsung/include
> -
> -# Core
> -
>  obj-$(CONFIG_ARCH_EXYNOS)	+= exynos.o exynos-smc.o firmware.o
>  
>  obj-$(CONFIG_EXYNOS_CPU_SUSPEND) += pm.o sleep.o
> diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
> index 832ab0e6cd72..e31a156a27df 100644
> --- a/arch/arm/plat-samsung/Kconfig
> +++ b/arch/arm/plat-samsung/Kconfig
> @@ -4,7 +4,7 @@
>  
>  config PLAT_SAMSUNG
>  	bool
> -	depends on PLAT_S3C24XX || ARCH_S3C64XX || ARCH_EXYNOS || ARCH_S5PV210
> +	depends on PLAT_S3C24XX || ARCH_S3C64XX || ARCH_S5PV210
>  	default y
>  	select GENERIC_IRQ_CHIP
>  	select NO_IOPORT_MAP
> @@ -240,7 +240,7 @@ config SAMSUNG_PM_DEBUG
>  	bool "Samsung PM Suspend debug"
>  	depends on PM && DEBUG_KERNEL
>  	depends on PLAT_S3C24XX || ARCH_S3C64XX || ARCH_S5PV210
> -	depends on DEBUG_EXYNOS_UART || DEBUG_S3C24XX_UART || DEBUG_S3C2410_UART
> +	depends on DEBUG_S3C24XX_UART || DEBUG_S3C2410_UART
>  	help
>  	  Say Y here if you want verbose debugging from the PM Suspend and
>  	  Resume code. See <file:Documentation/arm/samsung-s3c24xx/suspend.rst>
> diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
> index 49ea02c467bf..400a581c918c 100644
> --- a/drivers/mmc/host/Kconfig
> +++ b/drivers/mmc/host/Kconfig
> @@ -275,7 +275,7 @@ config MMC_SDHCI_TEGRA
>  
>  config MMC_SDHCI_S3C
>  	tristate "SDHCI support on Samsung S3C SoC"
> -	depends on MMC_SDHCI && PLAT_SAMSUNG
> +	depends on MMC_SDHCI && (PLAT_SAMSUNG || ARCH_EXYNOS)
>  	help
>  	  This selects the Secure Digital Host Controller Interface (SDHCI)
>  	  often referrered to as the HSMMC block in some of the Samsung S3C
> -- 
> 2.20.0
>