363 					struct i2c_msg *msgs)  in i2c_imx_dma_xfer()  argument
370 	dma->dma_buf = dma_map_single(chan_dev, msgs->buf,  in i2c_imx_dma_xfer()
608 					struct i2c_msg *msgs)  in i2c_imx_dma_write()  argument
620 	dma->dma_len = msgs->len - 1;  in i2c_imx_dma_write()
621 	result = i2c_imx_dma_xfer(i2c_imx, msgs);  in i2c_imx_dma_write()
633 	imx_i2c_write_reg(msgs->addr << 1, i2c_imx, IMX_I2C_I2DR);  in i2c_imx_dma_write()
661 	imx_i2c_write_reg(msgs->buf[msgs->len-1],  in i2c_imx_dma_write()
671 			struct i2c_msg *msgs, bool is_lastmsg)  in i2c_imx_dma_read()  argument
688 	dma->dma_len = msgs->len - 2;  in i2c_imx_dma_read()
689 	result = i2c_imx_dma_xfer(i2c_imx, msgs);  in i2c_imx_dma_read()
724 	msgs->buf[msgs->len-2] = imx_i2c_read_reg(i2c_imx, IMX_I2C_I2DR);  in i2c_imx_dma_read()
753 	msgs->buf[msgs->len-1] = imx_i2c_read_reg(i2c_imx, IMX_I2C_I2DR);  in i2c_imx_dma_read()
758 static int i2c_imx_write(struct imx_i2c_struct *i2c_imx, struct i2c_msg *msgs)  in i2c_imx_write()  argument
763 		__func__, msgs->addr << 1);  in i2c_imx_write()
766 	imx_i2c_write_reg(msgs->addr << 1, i2c_imx, IMX_I2C_I2DR);  in i2c_imx_write()
776 	for (i = 0; i < msgs->len; i++) {  in i2c_imx_write()
779 			__func__, i, msgs->buf[i]);  in i2c_imx_write()
780 		imx_i2c_write_reg(msgs->buf[i], i2c_imx, IMX_I2C_I2DR);  in i2c_imx_write()
791 static int i2c_imx_read(struct imx_i2c_struct *i2c_imx, struct i2c_msg *msgs, bool is_lastmsg)  in i2c_imx_read()  argument
795 	int block_data = msgs->flags & I2C_M_RECV_LEN;  in i2c_imx_read()
799 		__func__, (msgs->addr << 1) | 0x01);  in i2c_imx_read()
802 	imx_i2c_write_reg((msgs->addr << 1) | 0x01, i2c_imx, IMX_I2C_I2DR);  in i2c_imx_read()
820 	if ((msgs->len - 1) || block_data)  in i2c_imx_read()
827 	if (i2c_imx->dma && msgs->len >= DMA_THRESHOLD && !block_data)  in i2c_imx_read()
828 		return i2c_imx_dma_read(i2c_imx, msgs, is_lastmsg);  in i2c_imx_read()
831 	for (i = 0; i < msgs->len; i++) {  in i2c_imx_read()
849 			msgs->len += len;  in i2c_imx_read()
851 		if (i == (msgs->len - 1)) {  in i2c_imx_read()
876 		} else if (i == (msgs->len - 2)) {  in i2c_imx_read()
884 			msgs->buf[0] = len;  in i2c_imx_read()
886 			msgs->buf[i] =  imx_i2c_read_reg(i2c_imx, IMX_I2C_I2DR);  in i2c_imx_read()
889 			__func__, i, msgs->buf[i]);  in i2c_imx_read()
895 						struct i2c_msg *msgs, int num)  in i2c_imx_xfer()  argument
951 		if (msgs[i].flags & I2C_M_RD)  in i2c_imx_xfer()
952 			result = i2c_imx_read(i2c_imx, &msgs[i], is_lastmsg);  in i2c_imx_xfer()
954 			if (i2c_imx->dma && msgs[i].len >= DMA_THRESHOLD)  in i2c_imx_xfer()
955 				result = i2c_imx_dma_write(i2c_imx, &msgs[i]);  in i2c_imx_xfer()
957 				result = i2c_imx_write(i2c_imx, &msgs[i]);  in i2c_imx_xfer()