From a9977620a448f12a7337daca452fd20e89a96e23 Mon Sep 17 00:00:00 2001
From: Johannes Thumshirn <johannes.thumshirn@men.de>
Date: Mon, 16 Jun 2014 07:33:38 +0200
Subject: [PATCH] tty: serial: men_z135_uart: Wakeup UART after transmitting

Call uart_write_wakeup() after writing the hardware FIFO and updateing the FIFO
pointers.

This fixes high latency and jitter on PPP over Serial links.

Reported-by: Jun Shih <Jun.Shih@pason.com>
Tested-by: Jun Shih <Jun.Shih@pason.com>
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@men.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Reading git-format-patch failed