From ce1a78840ff7ab846065d5b65eaac959bafe1949 Mon Sep 17 00:00:00 2001
From: Yao Yuan <yao.yuan@freescale.com>
Date: Tue, 18 Nov 2014 18:31:06 +0800
Subject: [PATCH] i2c: imx: add DMA support for freescale i2c driver

Add dma support for i2c. This function depend on DMA driver.
You can turn on it by write both the dmas and dma-name properties in dts node.
DMA is optional, even DMA request unsuccessfully, i2c can also work well.

Signed-off-by: Yuan Yao <yao.yuan@freescale.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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