Migrate Apple DART to implement iova_to_phys_length, passing through mapped_length from io-pgtable.
Signed-off-by: Guanghui Feng <[email protected]> --- drivers/iommu/apple-dart.c | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/drivers/iommu/apple-dart.c b/drivers/iommu/apple-dart.c index 17bdadb6b504..2d753ce96cd9 100644 --- a/drivers/iommu/apple-dart.c +++ b/drivers/iommu/apple-dart.c @@ -528,16 +528,19 @@ static int apple_dart_iotlb_sync_map(struct iommu_domain *domain, return 0; } -static phys_addr_t apple_dart_iova_to_phys(struct iommu_domain *domain, - dma_addr_t iova) +static phys_addr_t apple_dart_iova_to_phys_length(struct iommu_domain *domain, + dma_addr_t iova, size_t *mapped_length) { struct apple_dart_domain *dart_domain = to_dart_domain(domain); struct io_pgtable_ops *ops = dart_domain->pgtbl_ops; + if (mapped_length) + *mapped_length = 0; + if (!ops) - return 0; + return PHYS_ADDR_MAX; - return ops->iova_to_phys(ops, iova); + return ops->iova_to_phys_length(ops, iova, mapped_length); } static int apple_dart_map_pages(struct iommu_domain *domain, unsigned long iova, @@ -1018,7 +1021,7 @@ static const struct iommu_ops apple_dart_iommu_ops = { .flush_iotlb_all = apple_dart_flush_iotlb_all, .iotlb_sync = apple_dart_iotlb_sync, .iotlb_sync_map = apple_dart_iotlb_sync_map, - .iova_to_phys = apple_dart_iova_to_phys, + .iova_to_phys_length = apple_dart_iova_to_phys_length, .free = apple_dart_domain_free, } }; -- 2.43.7
