170 		struct scatterlist tx_sg;  member
258 		mapped = sg_dma_len(&dma->tx_sg);  in msm_stop_dma()
279 			dma_unmap_sg(dev, &dma->tx_sg, 1, dma->dir);  in msm_stop_dma()
280 			sg_init_table(&dma->tx_sg, 1);  in msm_stop_dma()
437 	if (sg_dma_len(&dma->tx_sg))  in msm_start_tx()
465 	if (!sg_dma_len(&dma->tx_sg))  in msm_complete_tx_dma()
470 	dma_unmap_sg(port->dev, &dma->tx_sg, 1, dma->dir);  in msm_complete_tx_dma()
481 	count = sg_dma_len(&dma->tx_sg) - state.residue;  in msm_complete_tx_dma()
483 	sg_init_table(&dma->tx_sg, 1);  in msm_complete_tx_dma()
506 	sg_init_table(&dma->tx_sg, 1);  in msm_handle_tx_dma()
507 	kfifo_dma_out_prepare(&tport->xmit_fifo, &dma->tx_sg, 1, count);  in msm_handle_tx_dma()
509 	mapped = dma_map_sg(port->dev, &dma->tx_sg, 1, dma->dir);  in msm_handle_tx_dma()
515 	dma->desc = dmaengine_prep_slave_sg(dma->chan, &dma->tx_sg, 1,  in msm_handle_tx_dma()
553 	dma_unmap_sg(port->dev, &dma->tx_sg, 1, dma->dir);  in msm_handle_tx_dma()
555 	sg_init_table(&dma->tx_sg, 1);  in msm_handle_tx_dma()