From 4d86ec7a8a3f9c135fdc34d7aed2a9467e2e6ff9 Mon Sep 17 00:00:00 2001
From: EunBong Song <eunb.song@samsung.com>
Date: Mon, 5 Aug 2013 17:30:47 +0100
Subject: [PATCH] swiotlb: replace dma_length with sg_dma_len() macro

This patch replace dma_length in "lib/swiotlb.c" to sg_dma_len() macro,
because the build error can occur if CONFIG_NEED_SG_DMA_LENGTH is not
set, and CONFIG_SWIOTLB is set.

Singed-off-by: EunBong Song <eunb.song@samsung.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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