From: Sascha Hauer <s.hauer@pengutronix.de>
Date: Sat, 5 Jul 2008 08:02:44 +0000 (+0200)
Subject: IMX UART: do not assume 16MHz reference frequency
X-Git-Tag: v2.6.27-rc1~850^2~1^2~26
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=036bb15ec94216e28cb1550af0fdcdfb90c549df;p=pandora-kernel.git

IMX UART: do not assume 16MHz reference frequency

We assumed a 16MHz reference frequency for the UART. While this
is true for i.MX1 most of the time it is not true for MX27/MX31.
Also, add handling for the ONEMS register which is present on
newer versions of the chip and pass a sane minimum baudrate to
uart_get_baud_rate().

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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