Searched refs:ping_pong (Results 1 - 1 of 1) sorted by relevance

/freebsd-10.2-release/sys/arm/at91/
H A Duart_dev_at91usart.c79 struct at91_usart_rx ping_pong[2]; member in struct:at91_usart_softc
493 (void **)&atsc->ping_pong[i].buffer,
494 BUS_DMA_NOWAIT, &atsc->ping_pong[i].map);
498 atsc->ping_pong[i].map,
499 atsc->ping_pong[i].buffer, sc->sc_rxfifosz,
500 at91_getaddr, &atsc->ping_pong[i].pa, 0);
503 bus_dmamap_sync(atsc->rx_tag, atsc->ping_pong[i].map,
506 atsc->ping = &atsc->ping_pong[0];
507 atsc->pong = &atsc->ping_pong[1];

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