diff options
Diffstat (limited to 'Documentation/DMA-mapping.txt')
-rw-r--r-- | Documentation/DMA-mapping.txt | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/DMA-mapping.txt b/Documentation/DMA-mapping.txt index 63392c9132b4..028614cdd062 100644 --- a/Documentation/DMA-mapping.txt +++ b/Documentation/DMA-mapping.txt | |||
@@ -107,7 +107,7 @@ The query is performed via a call to pci_set_dma_mask(): | |||
107 | 107 | ||
108 | int pci_set_dma_mask(struct pci_dev *pdev, u64 device_mask); | 108 | int pci_set_dma_mask(struct pci_dev *pdev, u64 device_mask); |
109 | 109 | ||
110 | The query for consistent allocations is performed via a a call to | 110 | The query for consistent allocations is performed via a call to |
111 | pci_set_consistent_dma_mask(): | 111 | pci_set_consistent_dma_mask(): |
112 | 112 | ||
113 | int pci_set_consistent_dma_mask(struct pci_dev *pdev, u64 device_mask); | 113 | int pci_set_consistent_dma_mask(struct pci_dev *pdev, u64 device_mask); |
@@ -117,7 +117,7 @@ device_mask is a bit mask describing which bits of a PCI address your | |||
117 | device supports. It returns zero if your card can perform DMA | 117 | device supports. It returns zero if your card can perform DMA |
118 | properly on the machine given the address mask you provided. | 118 | properly on the machine given the address mask you provided. |
119 | 119 | ||
120 | If it returns non-zero, your device can not perform DMA properly on | 120 | If it returns non-zero, your device cannot perform DMA properly on |
121 | this platform, and attempting to do so will result in undefined | 121 | this platform, and attempting to do so will result in undefined |
122 | behavior. You must either use a different mask, or not use DMA. | 122 | behavior. You must either use a different mask, or not use DMA. |
123 | 123 | ||