From abfd6fe0cd535d31ee83b668be6eb59ce6a8469d Mon Sep 17 00:00:00 2001 From: Will Deacon Date: Tue, 2 Jul 2019 16:44:41 +0100 Subject: iommu/io-pgtable: Replace ->tlb_add_flush() with ->tlb_add_page() The ->tlb_add_flush() callback in the io-pgtable API now looks a bit silly: - It takes a size and a granule, which are always the same - It takes a 'bool leaf', which is always true - It only ever flushes a single page With that in mind, replace it with an optional ->tlb_add_page() callback that drops the useless parameters. Signed-off-by: Will Deacon --- drivers/iommu/io-pgtable-arm.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) (limited to 'drivers/iommu/io-pgtable-arm.c') diff --git a/drivers/iommu/io-pgtable-arm.c b/drivers/iommu/io-pgtable-arm.c index b58338c86323..a5c0db01533e 100644 --- a/drivers/iommu/io-pgtable-arm.c +++ b/drivers/iommu/io-pgtable-arm.c @@ -582,7 +582,7 @@ static size_t arm_lpae_split_blk_unmap(struct arm_lpae_io_pgtable *data, tablep = iopte_deref(pte, data); } else if (unmap_idx >= 0) { - io_pgtable_tlb_add_flush(&data->iop, iova, size, size, true); + io_pgtable_tlb_add_page(&data->iop, iova, size); return size; } @@ -623,7 +623,7 @@ static size_t __arm_lpae_unmap(struct arm_lpae_io_pgtable *data, */ smp_wmb(); } else { - io_pgtable_tlb_add_flush(iop, iova, size, size, true); + io_pgtable_tlb_add_page(iop, iova, size); } return size; @@ -1075,10 +1075,9 @@ static void dummy_tlb_flush(unsigned long iova, size_t size, size_t granule, 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) +static void dummy_tlb_add_page(unsigned long iova, size_t granule, void *cookie) { - dummy_tlb_flush(iova, size, granule, cookie); + dummy_tlb_flush(iova, granule, granule, cookie); } static void dummy_tlb_sync(void *cookie) @@ -1090,7 +1089,7 @@ 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_add_page = dummy_tlb_add_page, .tlb_sync = dummy_tlb_sync, }; -- cgit v1.2.3