| #include <linux/dma-mapping.h> | |
| const struct dma_mapping_ops *dma_ops; | |
| EXPORT_SYMBOL(dma_ops); | |
| int dma_set_mask(struct device *dev, u64 mask) | |
| { | |
| if (!dev->dma_mask || !dma_supported(dev, mask)) | |
| return -EIO; | |
| *dev->dma_mask = mask; | |
| return 0; | |
| } | |
| EXPORT_SYMBOL(dma_set_mask); | |