From: Eddie Huang <eddie.huang@mediatek.com>
Date: Wed, 22 Oct 2014 13:12:07 +0000 (+0800)
Subject: tty: serial: Fix mediatek UART driver setting baudrate issue
X-Git-Tag: omap-for-v3.20/drop-legacy-3517~83^2~85
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2a768264eef098cc1355b02ca5023b6cfb183a1f;p=pandora-kernel.git

tty: serial: Fix mediatek UART driver setting baudrate issue

In mtk8250_set_termios function, calculating quot value can not be zero,
otherwise, using DIV_ROUND_CLOSEST(port->uartclk, quot * baud) will fail due to
divisor is zero.

Signed-off-by: Eddie Huang <eddie.huang@mediatek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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