Hello,

On Wed, Jan 21, 2015 at 11:13:24AM +0800, Eddie Huang wrote:

quoted

quoted

+	/* set when doing the transfer */
+	u16 irq_stat;			/* interrupt status */
+	unsigned int speed_hz;		/* The speed in transfer */
+	bool trans_stop;		/* i2c transfer stop */
+	enum mtk_trans_op op;
+	u16 msg_len;
+	u8 *msg_buf;			/* pointer to msg data */
+	u16 msg_aux_len;		/* WRRD mode to set AUX_LEN register*/
+	u16 addr;	/* 7bit slave address, without read/write bit */

Wouldn't it be easier to maintain a pointer to the message to be
transferred?

I think use mtk_i2c pointer is more flexible than maintain a pointer to
message.

Not sure you understood what I intended to suggest. My idea was to drop

	u16 msg_len;
	u8 *msg_buf;
	u16 msg_aux_len; // maybe
	u16 addr;

from struct mtk_i2c and add a struct i2c_msg *msg instead. Up to you to
decide.

Best regards
Uwe

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Pengutronix e.K.                           | Uwe Kleine-K?nig            |
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