From 825642455367e5498da82a8044dd345ac7869c8d Mon Sep 17 00:00:00 2001
From: "Chew, Chiau Ee" <chiau.ee.chew@intel.com>
Date: Fri, 21 Jun 2013 15:05:28 +0800
Subject: [PATCH] i2c: designware: Manually set RESTART bit between messages

If both IC_EMPTYFIFO_HOLD_MASTER_EN and IC_RESTART_EN are set to 1, the
Designware I2C controller doesn't generate RESTART unless user specifically
requests it by setting RESTART bit in IC_DATA_CMD register.

Since IC_EMPTYFIFO_HOLD_MASTER_EN setting can't be detected from hardware
register, we must always manually set the restart bit between messages.

Signed-off-by: Chew, Chiau Ee <chiau.ee.chew@intel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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