static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
{
+#ifdef CONFIG_ALPHA_JENSEN
+ return &dma_direct_ops;
+#else
return dma_ops;
+#endif
}
#endif /* _ALPHA_DMA_MAPPING_H */
else
return -ENODEV;
}
-
-static void *alpha_noop_alloc_coherent(struct device *dev, size_t size,
- dma_addr_t *dma_handle, gfp_t gfp,
- unsigned long attrs)
-{
- void *ret;
-
- if (!dev || *dev->dma_mask >= 0xffffffffUL)
- gfp &= ~GFP_DMA;
- ret = (void *)__get_free_pages(gfp, get_order(size));
- if (ret) {
- memset(ret, 0, size);
- *dma_handle = virt_to_phys(ret);
- }
- return ret;
-}
-
-static int alpha_noop_supported(struct device *dev, u64 mask)
-{
- return mask < 0x00ffffffUL ? 0 : 1;
-}
-
-const struct dma_map_ops alpha_noop_ops = {
- .alloc = alpha_noop_alloc_coherent,
- .free = dma_noop_free_coherent,
- .map_page = dma_noop_map_page,
- .map_sg = dma_noop_map_sg,
- .mapping_error = dma_noop_mapping_error,
- .dma_supported = alpha_noop_supported,
-};
-
-const struct dma_map_ops *dma_ops = &alpha_noop_ops;
-EXPORT_SYMBOL(dma_ops);