diff options
author | Joerg Roedel <joerg.roedel@amd.com> | 2008-10-16 01:02:08 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-16 14:21:33 -0400 |
commit | a7375762a5dca3e468f17e0b2e312b362dc9ef4c (patch) | |
tree | 5908368d25ce179adec2e017e3f764483cb94298 | |
parent | bdab0ba3d9ad8de257ee6236daf314723748fde6 (diff) |
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>
-rw-r--r-- | arch/sparc64/kernel/iommu.c | 6 | ||||
-rw-r--r-- | arch/sparc64/kernel/iommu_common.h | 4 | ||||
-rw-r--r-- | arch/sparc64/kernel/pci_sun4v.c | 6 |
3 files changed, 8 insertions, 8 deletions
diff --git a/arch/sparc64/kernel/iommu.c b/arch/sparc64/kernel/iommu.c index 2a37a6ca2a16..f73b238cd2d4 100644 --- a/arch/sparc64/kernel/iommu.c +++ b/arch/sparc64/kernel/iommu.c | |||
@@ -575,7 +575,7 @@ static int dma_4u_map_sg(struct device *dev, struct scatterlist *sglist, | |||
575 | } | 575 | } |
576 | /* Allocate iommu entries for that segment */ | 576 | /* Allocate iommu entries for that segment */ |
577 | paddr = (unsigned long) SG_ENT_PHYS_ADDRESS(s); | 577 | paddr = (unsigned long) SG_ENT_PHYS_ADDRESS(s); |
578 | npages = iommu_num_pages(paddr, slen); | 578 | npages = iommu_nr_pages(paddr, slen); |
579 | entry = iommu_range_alloc(dev, iommu, npages, &handle); | 579 | entry = iommu_range_alloc(dev, iommu, npages, &handle); |
580 | 580 | ||
581 | /* Handle failure */ | 581 | /* Handle failure */ |
@@ -647,7 +647,7 @@ iommu_map_failed: | |||
647 | iopte_t *base; | 647 | iopte_t *base; |
648 | 648 | ||
649 | vaddr = s->dma_address & IO_PAGE_MASK; | 649 | vaddr = s->dma_address & IO_PAGE_MASK; |
650 | npages = iommu_num_pages(s->dma_address, s->dma_length); | 650 | npages = iommu_nr_pages(s->dma_address, s->dma_length); |
651 | iommu_range_free(iommu, vaddr, npages); | 651 | iommu_range_free(iommu, vaddr, npages); |
652 | 652 | ||
653 | entry = (vaddr - iommu->page_table_map_base) | 653 | entry = (vaddr - iommu->page_table_map_base) |
@@ -715,7 +715,7 @@ static void dma_4u_unmap_sg(struct device *dev, struct scatterlist *sglist, | |||
715 | 715 | ||
716 | if (!len) | 716 | if (!len) |
717 | break; | 717 | break; |
718 | npages = iommu_num_pages(dma_handle, len); | 718 | npages = iommu_nr_pages(dma_handle, len); |
719 | iommu_range_free(iommu, dma_handle, npages); | 719 | iommu_range_free(iommu, dma_handle, npages); |
720 | 720 | ||
721 | entry = ((dma_handle - iommu->page_table_map_base) | 721 | entry = ((dma_handle - iommu->page_table_map_base) |
diff --git a/arch/sparc64/kernel/iommu_common.h b/arch/sparc64/kernel/iommu_common.h index 53b19c8231a9..202d8ae2a67e 100644 --- a/arch/sparc64/kernel/iommu_common.h +++ b/arch/sparc64/kernel/iommu_common.h | |||
@@ -35,7 +35,7 @@ | |||
35 | 35 | ||
36 | #define SG_ENT_PHYS_ADDRESS(SG) (__pa(sg_virt((SG)))) | 36 | #define SG_ENT_PHYS_ADDRESS(SG) (__pa(sg_virt((SG)))) |
37 | 37 | ||
38 | static inline unsigned long iommu_num_pages(unsigned long vaddr, | 38 | static inline unsigned long iommu_nr_pages(unsigned long vaddr, |
39 | unsigned long slen) | 39 | unsigned long slen) |
40 | { | 40 | { |
41 | unsigned long npages; | 41 | unsigned long npages; |
@@ -53,7 +53,7 @@ static inline int is_span_boundary(unsigned long entry, | |||
53 | struct scatterlist *sg) | 53 | struct scatterlist *sg) |
54 | { | 54 | { |
55 | unsigned long paddr = SG_ENT_PHYS_ADDRESS(outs); | 55 | unsigned long paddr = SG_ENT_PHYS_ADDRESS(outs); |
56 | int nr = iommu_num_pages(paddr, outs->dma_length + sg->length); | 56 | int nr = iommu_nr_pages(paddr, outs->dma_length + sg->length); |
57 | 57 | ||
58 | return iommu_is_span_boundary(entry, nr, shift, boundary_size); | 58 | return iommu_is_span_boundary(entry, nr, shift, boundary_size); |
59 | } | 59 | } |
diff --git a/arch/sparc64/kernel/pci_sun4v.c b/arch/sparc64/kernel/pci_sun4v.c index e86c73ec167b..e24495407e89 100644 --- a/arch/sparc64/kernel/pci_sun4v.c +++ b/arch/sparc64/kernel/pci_sun4v.c | |||
@@ -384,7 +384,7 @@ static int dma_4v_map_sg(struct device *dev, struct scatterlist *sglist, | |||
384 | } | 384 | } |
385 | /* Allocate iommu entries for that segment */ | 385 | /* Allocate iommu entries for that segment */ |
386 | paddr = (unsigned long) SG_ENT_PHYS_ADDRESS(s); | 386 | paddr = (unsigned long) SG_ENT_PHYS_ADDRESS(s); |
387 | npages = iommu_num_pages(paddr, slen); | 387 | npages = iommu_nr_pages(paddr, slen); |
388 | entry = iommu_range_alloc(dev, iommu, npages, &handle); | 388 | entry = iommu_range_alloc(dev, iommu, npages, &handle); |
389 | 389 | ||
390 | /* Handle failure */ | 390 | /* Handle failure */ |
@@ -461,7 +461,7 @@ iommu_map_failed: | |||
461 | unsigned long vaddr, npages; | 461 | unsigned long vaddr, npages; |
462 | 462 | ||
463 | vaddr = s->dma_address & IO_PAGE_MASK; | 463 | vaddr = s->dma_address & IO_PAGE_MASK; |
464 | npages = iommu_num_pages(s->dma_address, s->dma_length); | 464 | npages = iommu_nr_pages(s->dma_address, s->dma_length); |
465 | iommu_range_free(iommu, vaddr, npages); | 465 | iommu_range_free(iommu, vaddr, npages); |
466 | /* XXX demap? XXX */ | 466 | /* XXX demap? XXX */ |
467 | s->dma_address = DMA_ERROR_CODE; | 467 | s->dma_address = DMA_ERROR_CODE; |
@@ -500,7 +500,7 @@ static void dma_4v_unmap_sg(struct device *dev, struct scatterlist *sglist, | |||
500 | 500 | ||
501 | if (!len) | 501 | if (!len) |
502 | break; | 502 | break; |
503 | npages = iommu_num_pages(dma_handle, len); | 503 | npages = iommu_nr_pages(dma_handle, len); |
504 | iommu_range_free(iommu, dma_handle, npages); | 504 | iommu_range_free(iommu, dma_handle, npages); |
505 | 505 | ||
506 | entry = ((dma_handle - iommu->page_table_map_base) >> IO_PAGE_SHIFT); | 506 | entry = ((dma_handle - iommu->page_table_map_base) >> IO_PAGE_SHIFT); |