int nents, int direction);
extern int swiotlb_dma_mapping_error(dma_addr_t dma_addr);
extern void *swiotlb_alloc_coherent (struct device *hwdev, size_t size,
- dma_addr_t *dma_handle, int flags);
+ dma_addr_t *dma_handle, gfp_t flags);
extern void swiotlb_free_coherent (struct device *hwdev, size_t size,
void *vaddr, dma_addr_t dma_handle);