linux-kernel - Re: [PATCH 2/4] ARC: [axs101] support early 8250 uart

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Message-ID: <2836384.o6ec7X8zDk@wuerfel>
Date:	Thu, 14 May 2015 14:53:31 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Alexey Brodkin <Alexey.Brodkin@...opsys.com>
Cc:	linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org,
	arc-linux-dev@...opsys.com, devicetree@...r.kernel.org,
	Vineet.Gupta1@...opsys.com
Subject: Re: [PATCH 2/4] ARC: [axs101] support early 8250 uart

On Thursday 14 May 2015 15:48:42 Alexey Brodkin wrote:
> 
>         chosen {
> -               bootargs = "console=tty0 console=ttyS3,115200n8 consoleblank=0";
> +               bootargs = "earlycon=uart8250,mmio32,0xe0022000,115200n8 console=tty0 console=ttyS3,115200n8 consoleblank=0";
>         };
>  };
> 

When you do earlycon with DT, better use a 'stdout-path' property that points
to the device, and just put 'earlycon' without arguments on the command line.

	Arnd
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