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: v3: 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/1570627143-29441-1-git-send-email-yong...@mediatek.com/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 pgtlock in the iotlb_sync 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: Use writel for TLB range invalidation iommu/mediatek: Reduce the tlb flush timeout value drivers/iommu/mtk_iommu.c | 77 +++++++++++++++++++++++------------------------ drivers/iommu/mtk_iommu.h | 2 +- 2 files changed, 38 insertions(+), 41 deletions(-) -- 1.9.1
