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author | Will Deacon <will@kernel.org> | 2019-07-02 18:44:32 +0300 |
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committer | Will Deacon <will@kernel.org> | 2019-07-29 19:22:57 +0300 |
commit | 10b7a7d912697afd681a0bcfced9e05543aded35 (patch) | |
tree | 0db2a2ccbf0d8d07f7c37d7a84d5aed43d0da13e /drivers/iommu/io-pgtable-arm.c | |
parent | 05aed9412b0bd0d9a985d94010c42ff0a5c6cc29 (diff) | |
download | linux-10b7a7d912697afd681a0bcfced9e05543aded35.tar.xz |
iommu/io-pgtable-arm: Call ->tlb_flush_walk() and ->tlb_flush_leaf()
Now that all IOMMU drivers using the io-pgtable API implement the
->tlb_flush_walk() and ->tlb_flush_leaf() callbacks, we can use them in
the io-pgtable code instead of ->tlb_add_flush() immediately followed by
->tlb_sync().
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'drivers/iommu/io-pgtable-arm.c')
-rw-r--r-- | drivers/iommu/io-pgtable-arm.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/drivers/iommu/io-pgtable-arm.c b/drivers/iommu/io-pgtable-arm.c index 402f913b6f6d..b58338c86323 100644 --- a/drivers/iommu/io-pgtable-arm.c +++ b/drivers/iommu/io-pgtable-arm.c @@ -611,9 +611,8 @@ static size_t __arm_lpae_unmap(struct arm_lpae_io_pgtable *data, if (!iopte_leaf(pte, lvl, iop->fmt)) { /* Also flush any partial walks */ - io_pgtable_tlb_add_flush(iop, iova, size, - ARM_LPAE_GRANULE(data), false); - io_pgtable_tlb_sync(iop); + io_pgtable_tlb_flush_walk(iop, iova, size, + ARM_LPAE_GRANULE(data)); ptep = iopte_deref(pte, data); __arm_lpae_free_pgtable(data, lvl + 1, ptep); } else if (iop->cfg.quirks & IO_PGTABLE_QUIRK_NON_STRICT) { @@ -1069,13 +1068,19 @@ static void dummy_tlb_flush_all(void *cookie) WARN_ON(cookie != cfg_cookie); } -static void dummy_tlb_add_flush(unsigned long iova, size_t size, - size_t granule, bool leaf, void *cookie) +static void dummy_tlb_flush(unsigned long iova, size_t size, size_t granule, + void *cookie) { WARN_ON(cookie != cfg_cookie); WARN_ON(!(size & cfg_cookie->pgsize_bitmap)); } +static void dummy_tlb_add_flush(unsigned long iova, size_t size, + size_t granule, bool leaf, void *cookie) +{ + dummy_tlb_flush(iova, size, granule, cookie); +} + static void dummy_tlb_sync(void *cookie) { WARN_ON(cookie != cfg_cookie); @@ -1083,6 +1088,8 @@ static void dummy_tlb_sync(void *cookie) static const struct iommu_flush_ops dummy_tlb_ops __initconst = { .tlb_flush_all = dummy_tlb_flush_all, + .tlb_flush_walk = dummy_tlb_flush, + .tlb_flush_leaf = dummy_tlb_flush, .tlb_add_flush = dummy_tlb_add_flush, .tlb_sync = dummy_tlb_sync, }; |