From 6faff9b6bd3d2a279b806d721bb2257fdd2e6bf2 Mon Sep 17 00:00:00 2001
From: Max Schwarz <max.schwarz@online.de>
Date: Sun, 9 Mar 2014 20:43:11 +0100
Subject: [PATCH] ARM: rockchip: rk3188: enable pull-ups on UART RX pins

The default behaviour of the uart-rx pins on the rk3188 is to be pulled up and
a lot of designs use diodes to even prevent them from being raised from the
outside.

Therefore change the rx-pin settings accordingly.

This also fixes a uart receive problem on mass production Radxa Rock boards.

Signed-off-by: Max Schwarz <max.schwarz@online.de>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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