sparc64: rename iommu_num_pages function to iommu_nr_pages
This is a preparation patch for introducing a generic iommu_num_pages function. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Acked-by: David S. Miller <davem@davemloft.net> Cc: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: Muli Ben-Yehuda <muli@il.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -575,7 +575,7 @@ static int dma_4u_map_sg(struct device *dev, struct scatterlist *sglist,
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}
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/* Allocate iommu entries for that segment */
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paddr = (unsigned long) SG_ENT_PHYS_ADDRESS(s);
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npages = iommu_num_pages(paddr, slen);
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npages = iommu_nr_pages(paddr, slen);
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entry = iommu_range_alloc(dev, iommu, npages, &handle);
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/* Handle failure */
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@ -647,7 +647,7 @@ iommu_map_failed:
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iopte_t *base;
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vaddr = s->dma_address & IO_PAGE_MASK;
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npages = iommu_num_pages(s->dma_address, s->dma_length);
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npages = iommu_nr_pages(s->dma_address, s->dma_length);
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iommu_range_free(iommu, vaddr, npages);
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entry = (vaddr - iommu->page_table_map_base)
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@ -715,7 +715,7 @@ static void dma_4u_unmap_sg(struct device *dev, struct scatterlist *sglist,
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if (!len)
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break;
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npages = iommu_num_pages(dma_handle, len);
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npages = iommu_nr_pages(dma_handle, len);
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iommu_range_free(iommu, dma_handle, npages);
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entry = ((dma_handle - iommu->page_table_map_base)
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@ -35,7 +35,7 @@
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#define SG_ENT_PHYS_ADDRESS(SG) (__pa(sg_virt((SG))))
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static inline unsigned long iommu_num_pages(unsigned long vaddr,
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static inline unsigned long iommu_nr_pages(unsigned long vaddr,
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unsigned long slen)
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{
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unsigned long npages;
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@ -53,7 +53,7 @@ static inline int is_span_boundary(unsigned long entry,
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struct scatterlist *sg)
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{
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unsigned long paddr = SG_ENT_PHYS_ADDRESS(outs);
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int nr = iommu_num_pages(paddr, outs->dma_length + sg->length);
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int nr = iommu_nr_pages(paddr, outs->dma_length + sg->length);
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return iommu_is_span_boundary(entry, nr, shift, boundary_size);
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}
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@ -384,7 +384,7 @@ static int dma_4v_map_sg(struct device *dev, struct scatterlist *sglist,
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}
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/* Allocate iommu entries for that segment */
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paddr = (unsigned long) SG_ENT_PHYS_ADDRESS(s);
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npages = iommu_num_pages(paddr, slen);
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npages = iommu_nr_pages(paddr, slen);
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entry = iommu_range_alloc(dev, iommu, npages, &handle);
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/* Handle failure */
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@ -461,7 +461,7 @@ iommu_map_failed:
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unsigned long vaddr, npages;
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vaddr = s->dma_address & IO_PAGE_MASK;
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npages = iommu_num_pages(s->dma_address, s->dma_length);
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npages = iommu_nr_pages(s->dma_address, s->dma_length);
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iommu_range_free(iommu, vaddr, npages);
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/* XXX demap? XXX */
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s->dma_address = DMA_ERROR_CODE;
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@ -500,7 +500,7 @@ static void dma_4v_unmap_sg(struct device *dev, struct scatterlist *sglist,
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if (!len)
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break;
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npages = iommu_num_pages(dma_handle, len);
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npages = iommu_nr_pages(dma_handle, len);
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iommu_range_free(iommu, dma_handle, npages);
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entry = ((dma_handle - iommu->page_table_map_base) >> IO_PAGE_SHIFT);
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