From c4b0510cc1571ff44e1d6024d92683d49a8bcfde Mon Sep 17 00:00:00 2001
From: Soren Brinkmann <soren.brinkmann@xilinx.com>
Date: Thu, 17 Oct 2013 14:08:11 -0700
Subject: [PATCH] tty: xuartps: Dynamically adjust to input frequency changes

Add a clock notifier to dynamically handle frequency changes of the
input clock by reprogramming the UART in order to keep the baud rate
constant.

Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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