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iommu/vt-d: Rename 'hwdev' variables to 'dev' now that that's the norm 

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
David Woodhouse 2014-03-09 16:14:00 -07:00
parent 207e35920d
commit 5040a918bd
1 changed files with 22 additions and 22 deletions
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44
drivers/iommu/intel-iommu.c
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@ -2955,7 +2955,7 @@ static int iommu_no_mapping(struct device *dev)
return 0; return 0;
} }
static dma_addr_t __intel_map_single(struct device *hwdev, phys_addr_t paddr, static dma_addr_t __intel_map_single(struct device *dev, phys_addr_t paddr,
size_t size, int dir, u64 dma_mask) size_t size, int dir, u64 dma_mask)
{ {
struct dmar_domain *domain; struct dmar_domain *domain;
@ -2968,17 +2968,17 @@ static dma_addr_t __intel_map_single(struct device *hwdev, phys_addr_t paddr,
BUG_ON(dir == DMA_NONE); BUG_ON(dir == DMA_NONE);
if (iommu_no_mapping(hwdev)) if (iommu_no_mapping(dev))
return paddr; return paddr;
domain = get_valid_domain_for_dev(hwdev); domain = get_valid_domain_for_dev(dev);
if (!domain) if (!domain)
return 0; return 0;
iommu = domain_get_iommu(domain); iommu = domain_get_iommu(domain);
size = aligned_nrpages(paddr, size); size = aligned_nrpages(paddr, size);
iova = intel_alloc_iova(hwdev, domain, dma_to_mm_pfn(size), dma_mask); iova = intel_alloc_iova(dev, domain, dma_to_mm_pfn(size), dma_mask);
if (!iova) if (!iova)
goto error; goto error;
@ -3016,7 +3016,7 @@ static dma_addr_t __intel_map_single(struct device *hwdev, phys_addr_t paddr,
if (iova) if (iova)
__free_iova(&domain->iovad, iova); __free_iova(&domain->iovad, iova);
printk(KERN_ERR"Device %s request: %zx@%llx dir %d --- failed\n", printk(KERN_ERR"Device %s request: %zx@%llx dir %d --- failed\n",
dev_name(hwdev), size, (unsigned long long)paddr, dir); dev_name(dev), size, (unsigned long long)paddr, dir);
return 0; return 0;
} }
@ -3155,7 +3155,7 @@ static void intel_unmap_page(struct device *dev, dma_addr_t dev_addr,
} }
} }
static void *intel_alloc_coherent(struct device *hwdev, size_t size, static void *intel_alloc_coherent(struct device *dev, size_t size,
dma_addr_t *dma_handle, gfp_t flags, dma_addr_t *dma_handle, gfp_t flags,
struct dma_attrs *attrs) struct dma_attrs *attrs)
{ {
@ -3165,10 +3165,10 @@ static void *intel_alloc_coherent(struct device *hwdev, size_t size,
size = PAGE_ALIGN(size); size = PAGE_ALIGN(size);
order = get_order(size); order = get_order(size);
if (!iommu_no_mapping(hwdev)) if (!iommu_no_mapping(dev))
flags &= ~(GFP_DMA | GFP_DMA32); flags &= ~(GFP_DMA | GFP_DMA32);
else if (hwdev->coherent_dma_mask < dma_get_required_mask(hwdev)) { else if (dev->coherent_dma_mask < dma_get_required_mask(dev)) {
if (hwdev->coherent_dma_mask < DMA_BIT_MASK(32)) if (dev->coherent_dma_mask < DMA_BIT_MASK(32))
flags |= GFP_DMA; flags |= GFP_DMA;
else else
flags |= GFP_DMA32; flags |= GFP_DMA32;
@ -3179,16 +3179,16 @@ static void *intel_alloc_coherent(struct device *hwdev, size_t size,
return NULL; return NULL;
memset(vaddr, 0, size); memset(vaddr, 0, size);
*dma_handle = __intel_map_single(hwdev, virt_to_bus(vaddr), size, *dma_handle = __intel_map_single(dev, virt_to_bus(vaddr), size,
DMA_BIDIRECTIONAL, DMA_BIDIRECTIONAL,
hwdev->coherent_dma_mask); dev->coherent_dma_mask);
if (*dma_handle) if (*dma_handle)
return vaddr; return vaddr;
free_pages((unsigned long)vaddr, order); free_pages((unsigned long)vaddr, order);
return NULL; return NULL;
} }
static void intel_free_coherent(struct device *hwdev, size_t size, void *vaddr, static void intel_free_coherent(struct device *dev, size_t size, void *vaddr,
dma_addr_t dma_handle, struct dma_attrs *attrs) dma_addr_t dma_handle, struct dma_attrs *attrs)
{ {
int order; int order;
@ -3196,11 +3196,11 @@ static void intel_free_coherent(struct device *hwdev, size_t size, void *vaddr,
size = PAGE_ALIGN(size); size = PAGE_ALIGN(size);
order = get_order(size); order = get_order(size);
intel_unmap_page(hwdev, dma_handle, size, DMA_BIDIRECTIONAL, NULL); intel_unmap_page(dev, dma_handle, size, DMA_BIDIRECTIONAL, NULL);
free_pages((unsigned long)vaddr, order); free_pages((unsigned long)vaddr, order);
} }
static void intel_unmap_sg(struct device *hwdev, struct scatterlist *sglist, static void intel_unmap_sg(struct device *dev, struct scatterlist *sglist,
int nelems, enum dma_data_direction dir, int nelems, enum dma_data_direction dir,
struct dma_attrs *attrs) struct dma_attrs *attrs)
{ {
@ -3210,10 +3210,10 @@ static void intel_unmap_sg(struct device *hwdev, struct scatterlist *sglist,
struct intel_iommu *iommu; struct intel_iommu *iommu;
struct page *freelist; struct page *freelist;
if (iommu_no_mapping(hwdev)) if (iommu_no_mapping(dev))
return; return;
domain = find_domain(hwdev); domain = find_domain(dev);
BUG_ON(!domain); BUG_ON(!domain);
iommu = domain_get_iommu(domain); iommu = domain_get_iommu(domain);
@ -3257,7 +3257,7 @@ static int intel_nontranslate_map_sg(struct device *hddev,
return nelems; return nelems;
} }
static int intel_map_sg(struct device *hwdev, struct scatterlist *sglist, int nelems, static int intel_map_sg(struct device *dev, struct scatterlist *sglist, int nelems,
enum dma_data_direction dir, struct dma_attrs *attrs) enum dma_data_direction dir, struct dma_attrs *attrs)
{ {
int i; int i;
@ -3271,10 +3271,10 @@ static int intel_map_sg(struct device *hwdev, struct scatterlist *sglist, int ne
struct intel_iommu *iommu; struct intel_iommu *iommu;
BUG_ON(dir == DMA_NONE); BUG_ON(dir == DMA_NONE);
if (iommu_no_mapping(hwdev)) if (iommu_no_mapping(dev))
return intel_nontranslate_map_sg(hwdev, sglist, nelems, dir); return intel_nontranslate_map_sg(dev, sglist, nelems, dir);
domain = get_valid_domain_for_dev(hwdev); domain = get_valid_domain_for_dev(dev);
if (!domain) if (!domain)
return 0; return 0;
@ -3283,8 +3283,8 @@ static int intel_map_sg(struct device *hwdev, struct scatterlist *sglist, int ne
for_each_sg(sglist, sg, nelems, i) for_each_sg(sglist, sg, nelems, i)
size += aligned_nrpages(sg->offset, sg->length); size += aligned_nrpages(sg->offset, sg->length);
iova = intel_alloc_iova(hwdev, domain, dma_to_mm_pfn(size), iova = intel_alloc_iova(dev, domain, dma_to_mm_pfn(size),
*hwdev->dma_mask); *dev->dma_mask);
if (!iova) { if (!iova) {
sglist->dma_length = 0; sglist->dma_length = 0;
return 0; return 0;