From mboxrd@z Thu Jan  1 00:00:00 1970
From: Arnd Bergmann <arnd@arndb.de>
Subject: Re: [PATCH v2 1/4] tty: serial: Add 8250 earlycon to support noinit option
Date: Mon, 12 Jan 2015 16:35:19 +0100
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Cc: Eddie Huang <eddie.huang@mediatek.com>, Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Matthias Brugger <matthias.bgg@gmail.com>, devicetree@vger.kernel.org, Vladimir Murzin <vladimir.murzin@arm.com>, srv_heupstream@mediatek.com, Pawel Moll <pawel.moll@arm.com>, Ian Campbell <ijc+devicetree@hellion.org.uk>, Catalin Marinas <catalin.marinas@arm.com>, Jonathan Corbet <corbet@lwn.net>, Will Deacon <will.deacon@arm.com>, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, yh.chen@mediatek.com, Howard Chen <ibanezchen@gmail.com>, Ashwin Chaugule <ashwin.chaugule@linaro.org>, linux-serial@vger.kernel.org, Kumar Gala <galak@codeaurora.org>, "Joe.C" <yingjoe.chen@mediatek.com>, Jiri Slaby <jslaby@suse.cz>, Alan Cox <alan@linux.intel.com>
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On Monday 12 January 2015 21:08:21 Eddie Huang wrote:
> Add earlycon support not only baudrate option, but also add noinit option.
> If use noinit option, 8250 earlycon will not init serial hardware and use
> loader setting.
> 
> Signed-off-by: Eddie Huang <eddie.huang@mediatek.com>

I probably missed something in the previous discussion, but why is
"noinit" not just the default? I believe that is how we handle early
serial ports on PowerPC, and I see no downsides to it.

	Arnd