From d41a4adb1b9208a0ee59e6b4752853c1dd27cc2c Mon Sep 17 00:00:00 2001
From: Jiang Liu <jiang.liu@linux.intel.com>
Date: Fri, 11 Jul 2014 14:19:34 +0800
Subject: [PATCH] iommu/vt-d: Simplify intel_unmap_sg() and kill duplicated
 code

Introduce intel_unmap() to reduce duplicated code in intel_unmap_sg()
and intel_unmap_page().

Also let dma_pte_free_pagetable() to call dma_pte_clear_range() directly,
so caller only needs to call dma_pte_free_pagetable().

Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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