[PATCH v10 0/2] iommu/mediatek: TTBR up to 35bit support

[yf.wang at mediatek.com]

This patchset adds MediaTek TTBR up to 35bit support for single normal zone.


Changes in v10:
- According to Robin's suggestion in [PATCH v8] to update patch
  - Recovery ttbr to u32, encoded PA bits[34:32] to ttbr lower bits.
  - Remove PATCH: Rename MTK_IOMMU_TLB_ADDR to MTK_IOMMU_ADDR.

Changes in v9:
- According to Will's suggestion in [PATCH v8 1/3] update [PATCH 1/3]
  - Rename function to_iopte_mtk to to_mtk_iopte.
  - Modify gfp_l1 and slab_flag and add comment explaining.
  - Add checking that the address is within 35 bits use cfg->oas.
  - PATCH 1/3 & PATCH 2/3 no change.

Changes in v8:
- Add and update patch
  - Add [2/3] patch update MTK_IOMMU_ADDR to calculate the special ttbr.
  - Save the special ttbr to mtk_iommu_domain avoid calculate it again.

Changes in v7:
- Update patch and commit message
  - Extend arm_v7s_cfg.ttbr to u64.
  - Move the special ttbr logical into mtk_iommu.c.
  - Update commit message for single normal zone.

Changes in v6:
- Update patch: gfp_l1 = GFP_KERNEL | __GFP_ZERO;
- Update commit message for single normal zone.

Changes in v5:
- Only update message-ID.

Changes in v4:
- Fix build test WARNING: use GENMASK_ULL replace GENMASK.

Changes in v3:
- Add version changes description, there is No new code change in V3.

Changes in v2:
- Update patch and commit message
  - Add Level 1 pgtable PA up to 35bit.
  - This is new feature, remove stable at vger.kernel.org
  - Update commit message.

Ning Li (2):
  iommu/io-pgtable-arm-v7s: Add a quirk to allow pgtable PA up to 35bit
  iommu/mediatek: Allow page table PA up to 35bit

 drivers/iommu/io-pgtable-arm-v7s.c | 67 +++++++++++++++++++++++-------
 drivers/iommu/mtk_iommu.c          | 22 ++++++++------
 include/linux/io-pgtable.h         | 15 ++++---
 3 files changed, 80 insertions(+), 24 deletions(-)