linux-kernel - RE: [PATCH v2] ARM: exynos: add UART3 to DEBUG

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Date:	Thu, 22 Nov 2012 15:50:26 +0900
From:	Kukjin Kim <kgene.kim@...sung.com>
To:	'Doug Anderson' <dianders@...omium.org>,
	linux-samsung-soc@...r.kernel.org,
	'Olof Johansson' <olof@...om.net>
Cc:	'Thomas Abraham' <thomas.abraham@...aro.org>,
	'Russell King' <linux@....linux.org.uk>,
	'Ben Dooks' <ben-linux@...ff.org>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: RE: [PATCH v2] ARM: exynos: add UART3 to DEBUG_LL ports

Doug Anderson wrote:
> 
> From: Olof Johansson <olof@...om.net>
> 
> Add support for using UART3 for DEBUG_LL on exynos.
> 
> [dianders: added depend on ARCH_EXYNOS.]
> 
> Signed-off-by: Olof Johansson <olof@...om.net>
> Signed-off-by: Doug Anderson <dianders@...omium.org>
> 
> ---
> Changes in v2:
> - Matched Olof's commit message.
> - Added ARCH_EXYNOS to depend list.
> 
>  arch/arm/Kconfig.debug        |   11 +++++++++++
>  arch/arm/plat-samsung/Kconfig |    1 +
>  2 files changed, 12 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
> index 33a8930..f54f170 100644
> --- a/arch/arm/Kconfig.debug
> +++ b/arch/arm/Kconfig.debug
> @@ -355,6 +355,17 @@ choice
>  		  The uncompressor code port configuration is now handled
>  		  by CONFIG_S3C_LOWLEVEL_UART_PORT.
> 
> +	config DEBUG_S3C_UART3
> +		depends on PLAT_SAMSUNG && ARCH_EXYNOS
> +		bool "Use S3C UART 3 for low-level debug"
> +		help
> +		  Say Y here if you want the debug print routines to direct
> +		  their output to UART 3. The port must have been
initialised
> +		  by the boot-loader before use.
> +
> +		  The uncompressor code port configuration is now handled
> +		  by CONFIG_S3C_LOWLEVEL_UART_PORT.
> +
>  	config DEBUG_SOCFPGA_UART
>  		depends on ARCH_SOCFPGA
>  		bool "Use SOCFPGA UART for low-level debug"
> diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
> index 59401e1..d342ed0 100644
> --- a/arch/arm/plat-samsung/Kconfig
> +++ b/arch/arm/plat-samsung/Kconfig
> @@ -502,5 +502,6 @@ config DEBUG_S3C_UART
>  	default "0" if DEBUG_S3C_UART0
>  	default "1" if DEBUG_S3C_UART1
>  	default "2" if DEBUG_S3C_UART2
> +	default "3" if DEBUG_S3C_UART3
> 
>  endif
> --
> 1.7.7.3

Applied, thanks.

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

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