From bf4169100c909667ede6af67668b3ecce6928343 Mon Sep 17 00:00:00 2001
From: James Ralston <james.d.ralston@intel.com>
Date: Tue, 24 Sep 2013 16:47:55 -0700
Subject: [PATCH] i2c: ismt: initialize DMA buffer

This patch adds code to initialize the DMA buffer to compensate for
possible hardware data corruption.

Signed-off-by: James Ralston <james.d.ralston@intel.com>
[wsa: changed to use 'sizeof']
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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