int oscar_init_hw_data(struct candevice_t *candev);
int oscar_init_chip_data(struct candevice_t *candev, int chipnr);
int oscar_init_obj_data(struct canchip_t *chip, int objnr);
-void oscar_write_register(unsigned data, unsigned long address);
-unsigned oscar_read_register(unsigned long address);
+void oscar_write_register(unsigned data, can_ioptr_t address);
+unsigned oscar_read_register(can_ioptr_t address);
int oscar_program_irq(struct candevice_t *candev);