From: Cho KyongHo <pullip.cho@samsung.com>
Date: Mon, 12 May 2014 06:14:51 +0000 (+0530)
Subject: iommu/exynos: Add missing cache flush for removed page table entries
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~91^2~8^2^5~18
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6cb47ed7397e0881afede05161ccaf5b70f95414;p=pandora-kernel.git

iommu/exynos: Add missing cache flush for removed page table entries

This commit adds cache flush for removed small and large page entries
in exynos_iommu_unmap(). Missing cache flush of removed page table
entries can cause missing page fault interrupt when a master IP
accesses an unmapped area.

Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Tested-by: Grant Grundler <grundler@chromium.org>
Signed-off-by: Cho KyongHo <pullip.cho@samsung.com>
Signed-off-by: Shaik Ameer Basha <shaik.ameer@samsung.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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