14.09.2021 04:38, Nicolin Chen пишет: > +static unsigned long pd_pt_index_iova(unsigned int pd_index, unsigned int > pt_index) > +{ > + return ((dma_addr_t)pd_index & (SMMU_NUM_PDE - 1)) << SMMU_PDE_SHIFT | > + ((dma_addr_t)pt_index & (SMMU_NUM_PTE - 1)) << SMMU_PTE_SHIFT; > +}
We know that IOVA is fixed to u32 for this controller. Can we avoid all these dma_addr_t castings? It should make code cleaner a tad, IMO. _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu