356 					struct i2c_msg *msgs)  in i2c_imx_dma_xfer()  argument
363 	dma->dma_buf = dma_map_single(chan_dev, msgs->buf,  in i2c_imx_dma_xfer()
601 					struct i2c_msg *msgs)  in i2c_imx_dma_write()  argument
613 	dma->dma_len = msgs->len - 1;  in i2c_imx_dma_write()
614 	result = i2c_imx_dma_xfer(i2c_imx, msgs);  in i2c_imx_dma_write()
626 	imx_i2c_write_reg(msgs->addr << 1, i2c_imx, IMX_I2C_I2DR);  in i2c_imx_dma_write()
654 	imx_i2c_write_reg(msgs->buf[msgs->len-1],  in i2c_imx_dma_write()
664 			struct i2c_msg *msgs, bool is_lastmsg)  in i2c_imx_dma_read()  argument
681 	dma->dma_len = msgs->len - 2;  in i2c_imx_dma_read()
682 	result = i2c_imx_dma_xfer(i2c_imx, msgs);  in i2c_imx_dma_read()
717 	msgs->buf[msgs->len-2] = imx_i2c_read_reg(i2c_imx, IMX_I2C_I2DR);  in i2c_imx_dma_read()
746 	msgs->buf[msgs->len-1] = imx_i2c_read_reg(i2c_imx, IMX_I2C_I2DR);  in i2c_imx_dma_read()
751 static int i2c_imx_write(struct imx_i2c_struct *i2c_imx, struct i2c_msg *msgs)  in i2c_imx_write()  argument
756 		__func__, msgs->addr << 1);  in i2c_imx_write()
759 	imx_i2c_write_reg(msgs->addr << 1, i2c_imx, IMX_I2C_I2DR);  in i2c_imx_write()
769 	for (i = 0; i < msgs->len; i++) {  in i2c_imx_write()
772 			__func__, i, msgs->buf[i]);  in i2c_imx_write()
773 		imx_i2c_write_reg(msgs->buf[i], i2c_imx, IMX_I2C_I2DR);  in i2c_imx_write()
784 static int i2c_imx_read(struct imx_i2c_struct *i2c_imx, struct i2c_msg *msgs, bool is_lastmsg)  in i2c_imx_read()  argument
788 	int block_data = msgs->flags & I2C_M_RECV_LEN;  in i2c_imx_read()
792 		__func__, (msgs->addr << 1) | 0x01);  in i2c_imx_read()
795 	imx_i2c_write_reg((msgs->addr << 1) | 0x01, i2c_imx, IMX_I2C_I2DR);  in i2c_imx_read()
813 	if ((msgs->len - 1) || block_data)  in i2c_imx_read()
820 	if (i2c_imx->dma && msgs->len >= DMA_THRESHOLD && !block_data)  in i2c_imx_read()
821 		return i2c_imx_dma_read(i2c_imx, msgs, is_lastmsg);  in i2c_imx_read()
824 	for (i = 0; i < msgs->len; i++) {  in i2c_imx_read()
842 			msgs->len += len;  in i2c_imx_read()
844 		if (i == (msgs->len - 1)) {  in i2c_imx_read()
869 		} else if (i == (msgs->len - 2)) {  in i2c_imx_read()
877 			msgs->buf[0] = len;  in i2c_imx_read()
879 			msgs->buf[i] =  imx_i2c_read_reg(i2c_imx, IMX_I2C_I2DR);  in i2c_imx_read()
882 			__func__, i, msgs->buf[i]);  in i2c_imx_read()
888 						struct i2c_msg *msgs, int num)  in i2c_imx_xfer()  argument
937 		if (msgs[i].flags & I2C_M_RD)  in i2c_imx_xfer()
938 			result = i2c_imx_read(i2c_imx, &msgs[i], is_lastmsg);  in i2c_imx_xfer()
940 			if (i2c_imx->dma && msgs[i].len >= DMA_THRESHOLD)  in i2c_imx_xfer()
941 				result = i2c_imx_dma_write(i2c_imx, &msgs[i]);  in i2c_imx_xfer()
943 				result = i2c_imx_write(i2c_imx, &msgs[i]);  in i2c_imx_xfer()