From: Jonas Jensen <jonas.jensen@gmail.com>
Date: Mon, 25 Aug 2014 14:22:32 +0000 (+0200)
Subject: net: moxa: synchronize DMA memory
X-Git-Tag: fixes-for-v3.18-merge-window~162^2~46
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=777fbc31447f111a1492c90fae2bc616f836d407;p=pandora-kernel.git

net: moxa: synchronize DMA memory

DMA memory should be synchronized before data is passed
to/from controller.

Add dma_sync_single_for_cpu(.., DMA_FROM_DEVICE) to RX path
and dma_sync_single_for_device(.., DMA_TO_DEVICE) to TX path.

Signed-off-by: Jonas Jensen <jonas.jensen@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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