linux-kernel - Re: [PATCH 2/6] ARM: sunxi: Add debug uart used by sun9i (Allwinner A80)

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Message-ID: <20140924063902.GR15315@lukather>
Date:	Wed, 24 Sep 2014 08:39:02 +0200
From:	Maxime Ripard <maxime.ripard@...e-electrons.com>
To:	Chen-Yu Tsai <wens@...e.org>
Cc:	Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-sunxi@...glegroups.com,
	Shuge <shuge@...winnertech.com>,
	Meng Zhang <kevin@...winnertech.com>, yhf@...rii.com,
	ctl@...rii.com
Subject: Re: [PATCH 2/6] ARM: sunxi: Add debug uart used by sun9i (Allwinner
 A80)

On Sun, Sep 21, 2014 at 10:58:09PM +0800, Chen-Yu Tsai wrote:
> The uarts on sun9i are still compatible with the dw_8250, but are
> located at different addresses.
> 
> Signed-off-by: Chen-Yu Tsai <wens@...e.org>
> ---
>  arch/arm/Kconfig.debug | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
> index b11ad54..58b5218 100644
> --- a/arch/arm/Kconfig.debug
> +++ b/arch/arm/Kconfig.debug
> @@ -707,6 +707,14 @@ choice
>  		  Say Y here if you want kernel low-level debugging support
>  		  on SOCFPGA based platforms.
>  
> +	config DEBUG_SUN9I_UART0
> +		bool "Kernel low-level debugging messages via sun9i UART0"
> +		depends on ARCH_SUNXI && MACH_SUN9I

Depending on MACH_SUN9I should be enough. It already depends on ARCH_SUNXI.

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

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