From 8b57cebedd3e8a384ab678a69e9b7128eb438a1f Mon Sep 17 00:00:00 2001
From: Fan Du <fan.du@intel.com>
Date: Tue, 16 Sep 2014 17:21:03 +0800
Subject: [PATCH] i2c: ismt: Use minimum descriptor size

Software is allowed to allocate number of descriptor size from 2 to 256,
this i2c controller could process more descriptor, but for i2c core soft
ware layer, only one i2c transaction is allowed each time.

So here switch to minimum 2 descriptor when initialization.

Signed-off-by: Fan Du <fan.du@intel.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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