From a7375762a5dca3e468f17e0b2e312b362dc9ef4c Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Wed, 15 Oct 2008 22:02:08 -0700 Subject: 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 Acked-by: David S. Miller Cc: FUJITA Tomonori Cc: Muli Ben-Yehuda Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/sparc64/kernel/iommu_common.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'arch/sparc64/kernel/iommu_common.h') 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 @@ #define SG_ENT_PHYS_ADDRESS(SG) (__pa(sg_virt((SG)))) -static inline unsigned long iommu_num_pages(unsigned long vaddr, +static inline unsigned long iommu_nr_pages(unsigned long vaddr, unsigned long slen) { unsigned long npages; @@ -53,7 +53,7 @@ static inline int is_span_boundary(unsigned long entry, struct scatterlist *sg) { unsigned long paddr = SG_ENT_PHYS_ADDRESS(outs); - int nr = iommu_num_pages(paddr, outs->dma_length + sg->length); + int nr = iommu_nr_pages(paddr, outs->dma_length + sg->length); return iommu_is_span_boundary(entry, nr, shift, boundary_size); } -- cgit v1.2.3 From 0fcff28f47194445f37264d750dbb13d3d894d0b Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Wed, 15 Oct 2008 22:02:14 -0700 Subject: sparc64: use iommu_num_pages function in IOMMU code Signed-off-by: Joerg Roedel Acked-by: David S. Miller Cc: FUJITA Tomonori Cc: Muli Ben-Yehuda Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/sparc64/kernel/iommu_common.h | 14 ++------------ 1 file changed, 2 insertions(+), 12 deletions(-) (limited to 'arch/sparc64/kernel/iommu_common.h') diff --git a/arch/sparc64/kernel/iommu_common.h b/arch/sparc64/kernel/iommu_common.h index 202d8ae2a67e..591f5879039c 100644 --- a/arch/sparc64/kernel/iommu_common.h +++ b/arch/sparc64/kernel/iommu_common.h @@ -35,17 +35,6 @@ #define SG_ENT_PHYS_ADDRESS(SG) (__pa(sg_virt((SG)))) -static inline unsigned long iommu_nr_pages(unsigned long vaddr, - unsigned long slen) -{ - unsigned long npages; - - npages = IO_PAGE_ALIGN(vaddr + slen) - (vaddr & IO_PAGE_MASK); - npages >>= IO_PAGE_SHIFT; - - return npages; -} - static inline int is_span_boundary(unsigned long entry, unsigned long shift, unsigned long boundary_size, @@ -53,7 +42,8 @@ static inline int is_span_boundary(unsigned long entry, struct scatterlist *sg) { unsigned long paddr = SG_ENT_PHYS_ADDRESS(outs); - int nr = iommu_nr_pages(paddr, outs->dma_length + sg->length); + int nr = iommu_num_pages(paddr, outs->dma_length + sg->length, + IO_PAGE_SIZE); return iommu_is_span_boundary(entry, nr, shift, boundary_size); } -- cgit v1.2.3