linux-kernel - Re: [PATCH, RFC 4/8] ARM: am33xx: ll debug config help

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Date:	Tue, 19 Feb 2013 15:55:59 +0530
From:	Santosh Shilimkar <santosh.shilimkar@...com>
To:	Afzal Mohammed <afzal@...com>
CC:	<linux-omap@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<devicetree-discuss@...ts.ozlabs.org>, <linux-doc@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>,
	Russell King <linux@....linux.org.uk>,
	Tony Lindgren <tony@...mide.com>,
	Marc Zyngier <marc.zyngier@....com>,
	Nicolas Pitre <nico@...aro.org>,
	Will Deacon <will.deacon@....com>,
	Linus Walleij <linus.walleij@...aro.org>,
	Rob Herring <rob.herring@...xeda.com>,
	Grant Likely <grant.likely@...retlab.ca>,
	Rob Landley <rob@...dley.net>, Sekhar Nori <nsekhar@...com>,
	Syed Mohammed Khasim <khasim@...com>
Subject: Re: [PATCH, RFC 4/8] ARM: am33xx: ll debug config help

On Monday 18 February 2013 05:07 PM, Afzal Mohammed wrote:
> Selecting DEBUG_AM33XXUART1 routes low level debug messages to first
> UART instance of AM335x based SoC's. This selection is valid for
> upcoming AM43 based SoC's too. Make this information available upon
> configuring.
>
> Signed-off-by: Afzal Mohammed <afzal@...com>
> ---
>   arch/arm/Kconfig.debug | 3 +++
>   1 file changed, 3 insertions(+)
>
> diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
> index acdddda..b717b78 100644
> --- a/arch/arm/Kconfig.debug
> +++ b/arch/arm/Kconfig.debug
> @@ -542,6 +542,9 @@ choice
>
>   	config DEBUG_AM33XXUART1
>   		bool "AM33XX UART1"
> +		help
> +		  Route low level debug messages to first uart instance
> +		  for boards based on am335 and am43 family of SoC's
>
>   	config DEBUG_ZOOM_UART
>   		bool "Zoom2/3 UART"
>
With DT, IIRC DEBUGLL is broken. So did you hack debug-macro.S
to get the earlyprintk working ?

Regards,
Santosh
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