int pcccan_init_hw_data(struct candevice_t *candev);
int pcccan_init_chip_data(struct candevice_t *candev, int chipnr);
int pcccan_init_obj_data(struct canchip_t *chip, int objnr);
-void pcccan_write_register(unsigned data, unsigned long address);
-unsigned pcccan_read_register(unsigned long address);
+void pcccan_write_register(unsigned data, can_ioptr_t address);
+unsigned pcccan_read_register(can_ioptr_t address);
int pcccan_program_irq(struct candevice_t *candev);