This patchset mainly fixes a tlb flush timeout issue and use the new
iommu_gather to re-implement the tlb flush flow. and several clean up
patches about the tlb_flush.
change note:
v5: No code change. Only update the commit message of the last patch[7/7]
suggested from Tomasz in the internal review.
v4:
https://lore.kernel.org/linux-iommu/[email protected]/#t
1. Add a new tlb_lock for tlb operations.
2. Delete the pgtlock.
3. Remove the "writel" patch.
v3:
https://lore.kernel.org/linux-iommu/[email protected]/T/#t
1. Use the gather to implement the tlb_flush suggested from Tomasz.
2. add some clean up patches.
v2:
https://lore.kernel.org/linux-iommu/[email protected]/T/#t
1. rebase on v5.4-rc1
2. only split to several patches.
v1:
https://lore.kernel.org/linux-iommu/CAAFQd5C3U7pZo4SSUJ52Q7E+0FaUoORQFbQC5RhCHBhi=nf...@mail.gmail.com/T/#t
Yong Wu (7):
iommu/mediatek: Correct the flush_iotlb_all callback
iommu/mediatek: Add a new tlb_lock for tlb_flush
iommu/mediatek: Use gather to achieve the tlb range flush
iommu/mediatek: Delete the leaf in the tlb_flush
iommu/mediatek: Move the tlb_sync into tlb_flush
iommu/mediatek: Get rid of the pgtlock
iommu/mediatek: Reduce the tlb flush timeout value
drivers/iommu/mtk_iommu.c | 88 +++++++++++++++--------------------------------
drivers/iommu/mtk_iommu.h | 2 +-
2 files changed, 29 insertions(+), 61 deletions(-)
--
1.9.1
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