This patch-set add MTK 4GB mode support on the Short-Descriptor. MTK extend the bit9 of the standard pgtable descriptor as the 4GB mode. We add a special quirk for this. This two patches are based on Robin's Short-decriptor v3[1], MTK IOMMU v10[2] and Robin's "Rationalise quirk handling"[3].
[1]: http://lists.linuxfoundation.org/pipermail/iommu/2016-January/015463.html [2]: http://lists.linuxfoundation.org/pipermail/iommu/2016-February/015795.html [3]: http://lists.linuxfoundation.org/pipermail/iommu/2016-February/015663.html Yong Wu (2): iommu/io-pgtable: Add MTK 4GB mode in Short-descriptor iommu/mediatek: Add 4GB mode support drivers/iommu/io-pgtable-arm-v7s.c | 14 +++++++++++++- drivers/iommu/io-pgtable.h | 6 ++++++ drivers/iommu/mtk_iommu.c | 14 +++++++++++--- 3 files changed, 30 insertions(+), 4 deletions(-) -- 1.8.1.1.dirty

