155 struct sja1000_priv {  struct
160 	u8 (*read_reg) (const struct sja1000_priv *priv, int reg);  argument
161 	void (*write_reg) (const struct sja1000_priv *priv, int reg, u8 val);  argument
162 	void (*pre_irq) (const struct sja1000_priv *priv);  argument
163 	void (*post_irq) (const struct sja1000_priv *priv);  argument
165 	void *priv;		/* for board-specific data */
166 	struct net_device *dev;
168 	void __iomem *reg_base;	 /* ioremap'ed address to registers */
169 	unsigned long irq_flags; /* for request_irq() */
170 	spinlock_t cmdreg_lock;  /* lock for concurrent cmd register writes */
172 	u16 flags;		/* custom mode flags */
173 	u8 ocr;			/* output control register */
174 	u8 cdr;			/* clock divider register */