From cc212550eed155d99e1d4b3e0cfa3510a3d9f9af Mon Sep 17 00:00:00 2001
From: Eli Billauer <eli.billauer@gmail.com>
Date: Mon, 30 Dec 2013 23:16:25 +0200
Subject: [PATCH] staging: xillybus: Open Firmware driver supporting coherent
 DMA

If the "dma-coherent" property is present in the device tree, the driver will
not perform cache invalidations. This feature significantly improves data
throughput and reduces CPU load.

Signed-off-by: Eli Billauer <eli.billauer@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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