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Date: Wed, 16 Apr 2014 19:35:32 +0100
From: One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk>
To: Sergei Ianovich <ynvich@gmail.com>
Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        Rob Herring <robh+dt@kernel.org>, Pawel Moll <pawel.moll@arm.com>,
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        linux-serial@vger.kernel.org (open list:SERIAL DRIVERS)
Subject: Re: [PATCH v4 12/21] serial: support for 16550A serial ports on
 LP-8x4x
Message-ID: <20140416193532.0782f045@alan.etchedpixels.co.uk>
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	<1397668667-27328-1-git-send-email-ynvich@gmail.com>
	<1397668667-27328-6-git-send-email-ynvich@gmail.com>
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> +	baud = uart_get_baud_rate(port, termios, old,
> +				  port->uartclk / 16 / 0xffff,
> +				  port->uartclk / 16);
> +	switch (baud) {
> +	case 2400:
> +		len |= 1;
> +		break;
> +	case 4800:
> +		len |= 2;
> +		break;
> +	case 19200:
> +		len |= 4;
> +		break;
> +	case 38400:
> +		len |= 5;
> +		break;
> +	case 57600:
> +		len |= 6;
> +		break;
> +	case 115200:
> +		len |= 7;
> +		break;
> +	case 9600:
> +	default:
> +		len |= 3;
> +		break;
> +	};

Some explanation of this would be useful - eg why is it set to 7 for
115200 baud and 3 for 115201 baud ?
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