int (*program_irq)(struct candevice_t *candev);
void (*write_register)(unsigned data, can_ioptr_t address);
unsigned (*read_register)(can_ioptr_t address);
int (*program_irq)(struct candevice_t *candev);
void (*write_register)(unsigned data, can_ioptr_t address);
unsigned (*read_register)(can_ioptr_t address);