diff options
Diffstat (limited to 'arch/x86/kernel/pci-nommu.c')
-rw-r--r-- | arch/x86/kernel/pci-nommu.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/arch/x86/kernel/pci-nommu.c b/arch/x86/kernel/pci-nommu.c index c70ab5a5d4c8..fe50214db876 100644 --- a/arch/x86/kernel/pci-nommu.c +++ b/arch/x86/kernel/pci-nommu.c | |||
@@ -25,19 +25,19 @@ check_addr(char *name, struct device *hwdev, dma_addr_t bus, size_t size) | |||
25 | return 1; | 25 | return 1; |
26 | } | 26 | } |
27 | 27 | ||
28 | static dma_addr_t | 28 | static dma_addr_t nommu_map_page(struct device *dev, struct page *page, |
29 | nommu_map_single(struct device *hwdev, phys_addr_t paddr, size_t size, | 29 | unsigned long offset, size_t size, |
30 | int direction) | 30 | enum dma_data_direction dir, |
31 | struct dma_attrs *attrs) | ||
31 | { | 32 | { |
32 | dma_addr_t bus = paddr; | 33 | dma_addr_t bus = page_to_phys(page) + offset; |
33 | WARN_ON(size == 0); | 34 | WARN_ON(size == 0); |
34 | if (!check_addr("map_single", hwdev, bus, size)) | 35 | if (!check_addr("map_single", dev, bus, size)) |
35 | return bad_dma_address; | 36 | return bad_dma_address; |
36 | flush_write_buffers(); | 37 | flush_write_buffers(); |
37 | return bus; | 38 | return bus; |
38 | } | 39 | } |
39 | 40 | ||
40 | |||
41 | /* Map a set of buffers described by scatterlist in streaming | 41 | /* Map a set of buffers described by scatterlist in streaming |
42 | * mode for DMA. This is the scatter-gather version of the | 42 | * mode for DMA. This is the scatter-gather version of the |
43 | * above pci_map_single interface. Here the scatter gather list | 43 | * above pci_map_single interface. Here the scatter gather list |
@@ -54,7 +54,8 @@ nommu_map_single(struct device *hwdev, phys_addr_t paddr, size_t size, | |||
54 | * the same here. | 54 | * the same here. |
55 | */ | 55 | */ |
56 | static int nommu_map_sg(struct device *hwdev, struct scatterlist *sg, | 56 | static int nommu_map_sg(struct device *hwdev, struct scatterlist *sg, |
57 | int nents, int direction) | 57 | int nents, enum dma_data_direction dir, |
58 | struct dma_attrs *attrs) | ||
58 | { | 59 | { |
59 | struct scatterlist *s; | 60 | struct scatterlist *s; |
60 | int i; | 61 | int i; |
@@ -78,11 +79,11 @@ static void nommu_free_coherent(struct device *dev, size_t size, void *vaddr, | |||
78 | free_pages((unsigned long)vaddr, get_order(size)); | 79 | free_pages((unsigned long)vaddr, get_order(size)); |
79 | } | 80 | } |
80 | 81 | ||
81 | struct dma_mapping_ops nommu_dma_ops = { | 82 | struct dma_map_ops nommu_dma_ops = { |
82 | .alloc_coherent = dma_generic_alloc_coherent, | 83 | .alloc_coherent = dma_generic_alloc_coherent, |
83 | .free_coherent = nommu_free_coherent, | 84 | .free_coherent = nommu_free_coherent, |
84 | .map_single = nommu_map_single, | ||
85 | .map_sg = nommu_map_sg, | 85 | .map_sg = nommu_map_sg, |
86 | .map_page = nommu_map_page, | ||
86 | .is_phys = 1, | 87 | .is_phys = 1, |
87 | }; | 88 | }; |
88 | 89 | ||