From mboxrd@z Thu Jan  1 00:00:00 1970
From: Peter Hurley <peter@hurleysoftware.com>
Subject: Re: [PATCH v2 2/2] serial: earlycon: allow to specify uartclk in
 earlycon kernel-parameter
Date: Wed, 21 Oct 2015 11:35:56 -0400
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To: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Rob Herring <robh@kernel.org>, Stefan Agner <stefan@agner.ch>, linux-serial@vger.kernel.org, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, Jiri Slaby <jslaby@suse.com>
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Hi Masahiro,

On 10/21/2015 11:31 AM, Masahiro Yamada wrote:
> If it is always correct to preserve the initialization done by boot-loader,
> the following code in 8250_early.c does not make sense.

It's not always correct to preserve the initialization by the bootloader.
For example, on my legacy x86 workstation, the bootloader does not
initialize the h/w so when I want 8250 earlycon, I must specify the
baud rate.

Regards,
Peter Hurley