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author | Will Deacon <will@kernel.org> | 2019-07-02 17:44:25 +0200 |
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committer | Will Deacon <will@kernel.org> | 2019-07-29 18:22:56 +0200 |
commit | 05aed9412b0bd0d9a985d94010c42ff0a5c6cc29 (patch) | |
tree | 1c4b9df8569d4c334c57518f49ecc7636489c299 /drivers/iommu/mtk_iommu.c | |
parent | iommu/io-pgtable: Introduce tlb_flush_walk() and tlb_flush_leaf() (diff) | |
download | linux-05aed9412b0bd0d9a985d94010c42ff0a5c6cc29.tar.xz linux-05aed9412b0bd0d9a985d94010c42ff0a5c6cc29.zip |
iommu/io-pgtable: Hook up ->tlb_flush_walk() and ->tlb_flush_leaf() in drivers
Hook up ->tlb_flush_walk() and ->tlb_flush_leaf() in drivers using the
io-pgtable API so that we can start making use of them in the page-table
code. For now, they can just wrap the implementations of ->tlb_add_flush
and ->tlb_sync pending future optimisation in each driver.
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'drivers/iommu/mtk_iommu.c')
-rw-r--r-- | drivers/iommu/mtk_iommu.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index c870f1674903..85a7176bf9ae 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -188,8 +188,24 @@ static void mtk_iommu_tlb_sync(void *cookie) } } +static void mtk_iommu_tlb_flush_walk(unsigned long iova, size_t size, + size_t granule, void *cookie) +{ + mtk_iommu_tlb_add_flush_nosync(iova, size, granule, false, cookie); + mtk_iommu_tlb_sync(cookie); +} + +static void mtk_iommu_tlb_flush_leaf(unsigned long iova, size_t size, + size_t granule, void *cookie) +{ + mtk_iommu_tlb_add_flush_nosync(iova, size, granule, true, cookie); + mtk_iommu_tlb_sync(cookie); +} + static const struct iommu_flush_ops mtk_iommu_flush_ops = { .tlb_flush_all = mtk_iommu_tlb_flush_all, + .tlb_flush_walk = mtk_iommu_tlb_flush_walk, + .tlb_flush_leaf = mtk_iommu_tlb_flush_leaf, .tlb_add_flush = mtk_iommu_tlb_add_flush_nosync, .tlb_sync = mtk_iommu_tlb_sync, }; |