#define IO_TLB_SHIFT 11
extern void swiotlb_init(int verbose);
-extern void swiotlb_init_with_tbl(char *tlb, unsigned long nslabs, int verbose);
+int swiotlb_init_with_tbl(char *tlb, unsigned long nslabs, int verbose);
extern unsigned long swiotlb_nr_tbl(void);
extern int swiotlb_late_init_with_tbl(char *tlb, unsigned long nslabs);