linux-kernel - Re: [PATCH v2] serial: 8250_uniphier: add earlycon support

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Message-ID: <563370ED.7040105@hurleysoftware.com>
Date:	Fri, 30 Oct 2015 09:30:21 -0400
From:	Peter Hurley <peter@...leysoftware.com>
To:	Masahiro Yamada <yamada.masahiro@...ionext.com>
Cc:	linux-serial@...r.kernel.org, Jiri Slaby <jslaby@...e.com>,
	linux-kernel@...r.kernel.org,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2] serial: 8250_uniphier: add earlycon support

On 10/29/2015 10:46 PM, Masahiro Yamada wrote:
> This reuses the code of drivers/tty/serial/8250/8250_early.c except
>
>    - Overwrite device->port.iotype and device->port.regshift for
>      UPIO_MEM32 because of_setup_earlycon() has set them for UPIO_MEM.
>
>    - Set device->baud to zero to prevent early8250_setup() from
>      initializing the divisor register because port->uartclk does not
>      match the frequency expected by this hardware.

Reviewed-by: Peter Hurley <peter@...leysoftware.com>

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