Lines Matching defs:dma
360 struct uart_8250_dma *dma = p->dma;362 if (dma->prepare_tx_dma)363 dma->prepare_tx_dma(p);368 struct uart_8250_dma *dma = p->dma;370 if (dma->prepare_rx_dma)371 dma->prepare_rx_dma(p);376 struct uart_8250_dma *dma = p->dma;378 return dma && dma->tx_running;