int i82527_start_chip(struct chip_t *chip);
int i82527_stop_chip(struct chip_t *chip);
int i82527_check_tx_stat(struct chip_t *chip);
-irqreturn_t i82527_irq_handler(int irq, void *dev_id, struct pt_regs *regs);
+can_irqreturn_t i82527_irq_handler(int irq, void *dev_id, struct pt_regs *regs);
#define MSG_OFFSET(object) ((object)*0x10)