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Subject[PATCH 02/10] sparc64: rename iommu_num_pages function to iommu_nr_pages
Date
This is a preparation patch for introducing a generic iommu_num_pages function.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
---
arch/sparc64/kernel/iommu.c | 6 +++---
arch/sparc64/kernel/iommu_common.h | 4 ++--
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 2a37a6c..f73b238 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,
}
/* Allocate iommu entries for that segment */
paddr = (unsigned long) SG_ENT_PHYS_ADDRESS(s);
- npages = iommu_num_pages(paddr, slen);
+ npages = iommu_nr_pages(paddr, slen);
entry = iommu_range_alloc(dev, iommu, npages, &handle);

/* Handle failure */
@@ -647,7 +647,7 @@ iommu_map_failed:
iopte_t *base;

vaddr = s->dma_address & IO_PAGE_MASK;
- npages = iommu_num_pages(s->dma_address, s->dma_length);
+ npages = iommu_nr_pages(s->dma_address, s->dma_length);
iommu_range_free(iommu, vaddr, npages);

entry = (vaddr - iommu->page_table_map_base)
@@ -715,7 +715,7 @@ static void dma_4u_unmap_sg(struct device *dev, struct scatterlist *sglist,

if (!len)
break;
- npages = iommu_num_pages(dma_handle, len);
+ npages = iommu_nr_pages(dma_handle, len);
iommu_range_free(iommu, dma_handle, npages);

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 53b19c8..202d8ae 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);
}
diff --git a/arch/sparc64/kernel/pci_sun4v.c b/arch/sparc64/kernel/pci_sun4v.c
index a104c80..6a53c31 100644
--- a/arch/sparc64/kernel/pci_sun4v.c
+++ b/arch/sparc64/kernel/pci_sun4v.c
@@ -382,7 +382,7 @@ static int dma_4v_map_sg(struct device *dev, struct scatterlist *sglist,
}
/* Allocate iommu entries for that segment */
paddr = (unsigned long) SG_ENT_PHYS_ADDRESS(s);
- npages = iommu_num_pages(paddr, slen);
+ npages = iommu_nr_pages(paddr, slen);
entry = iommu_range_alloc(dev, iommu, npages, &handle);

/* Handle failure */
@@ -459,7 +459,7 @@ iommu_map_failed:
unsigned long vaddr, npages;

vaddr = s->dma_address & IO_PAGE_MASK;
- npages = iommu_num_pages(s->dma_address, s->dma_length);
+ npages = iommu_nr_pages(s->dma_address, s->dma_length);
iommu_range_free(iommu, vaddr, npages);
/* XXX demap? XXX */
s->dma_address = DMA_ERROR_CODE;
@@ -498,7 +498,7 @@ static void dma_4v_unmap_sg(struct device *dev, struct scatterlist *sglist,

if (!len)
break;
- npages = iommu_num_pages(dma_handle, len);
+ npages = iommu_nr_pages(dma_handle, len);
iommu_range_free(iommu, dma_handle, npages);

entry = ((dma_handle - iommu->page_table_map_base) >> IO_PAGE_SHIFT);
--
1.5.3.7



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