From: Marek Szyprowski <m.szyprowski@samsung.com>
Date: Tue, 19 May 2015 13:20:24 +0000 (+0200)
Subject: iommu/exynos: Don't read version register on every tlb operation
X-Git-Tag: omap-for-v4.3/legacy-v2-signed~171^2^2~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=512bd0c6cced8264dae4c7439fef54507548a72d;p=pandora-kernel.git

iommu/exynos: Don't read version register on every tlb operation

This patch removes reading of REG_MMU_VERSION register on every tlb
operation and caches SYSMMU version in driver's internal data.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Tested-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
---

Reading git-diff-tree failed