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Use bus_get_dma_tag() instead of NULL here. Not really needed for atmel

Browse source 
at the moment, but it is more correct.
This commit is contained in:
Warner Losh 2008-10-07 17:23:16 +00:00
parent 6497012386
commit 2bfca5e908
4 changed files with 18 additions and 17 deletions
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6
sys/arm/at91/at91_mci.c
View file

@ -175,9 +175,9 @@ at91_mci_attach(device_t dev)
/*
* Allocate DMA tags and maps
*/
err = bus_dma_tag_create(NULL, 1, 0, BUS_SPACE_MAXADDR_32BIT,
BUS_SPACE_MAXADDR, NULL, NULL, MAXPHYS, 1, MAXPHYS,
BUS_DMA_ALLOCNOW, NULL, NULL, &sc->dmatag);
err = bus_dma_tag_create(bus_get_dma_tag(dev), 1, 0,
BUS_SPACE_MAXADDR_32BIT, US_SPACE_MAXADDR, NULL, NULL, MAXPHYS, 1,
MAXPHYS, BUS_DMA_ALLOCNOW, NULL, NULL, &sc->dmatag);
if (err != 0)
goto out;

6
sys/arm/at91/at91_spi.c
View file

@ -97,9 +97,9 @@ at91_spi_attach(device_t dev)
/*
* Allocate DMA tags and maps
*/
err = bus_dma_tag_create(NULL, 1, 0, BUS_SPACE_MAXADDR_32BIT,
BUS_SPACE_MAXADDR, NULL, NULL, 2058, 1, 2048, BUS_DMA_ALLOCNOW,
NULL, NULL, &sc->dmatag);
err = bus_dma_tag_create(bus_get_dma_tag(dev), 1, 0,
BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 2058, 1,
2048, BUS_DMA_ALLOCNOW, NULL, NULL, &sc->dmatag);
if (err != 0)
goto out;
for (i = 0; i < 4; i++) {

16
sys/arm/at91/if_ate.c
View file

@ -359,9 +359,9 @@ ate_activate(device_t dev)
/*
* Allocate DMA tags and maps
*/
err = bus_dma_tag_create(NULL, 1, 0, BUS_SPACE_MAXADDR_32BIT,
BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, 1, MCLBYTES, 0,
busdma_lock_mutex, &sc->sc_mtx, &sc->mtag);
err = bus_dma_tag_create(bus_get_dma_tag(dev), 1, 0,
BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES,
1, MCLBYTES, 0, busdma_lock_mutex, &sc->sc_mtx, &sc->mtag);
if (err != 0)
goto errout;
for (i = 0; i < ATE_MAX_TX_BUFFERS; i++) {
@ -377,15 +377,15 @@ ate_activate(device_t dev)
/*
* Allocate DMA tags and maps for RX.
*/
err = bus_dma_tag_create(NULL, 1, 0, BUS_SPACE_MAXADDR_32BIT,
BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, 1, MCLBYTES, 0,
busdma_lock_mutex, &sc->sc_mtx, &sc->rxtag);
err = bus_dma_tag_create(bus_get_dma_tag(dev), 1, 0,
BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES,
1, MCLBYTES, 0, busdma_lock_mutex, &sc->sc_mtx, &sc->rxtag);
if (err != 0)
goto errout;
/* Dma TAG and MAP for the rx descriptors. */
err = bus_dma_tag_create(NULL, sizeof(eth_rx_desc_t), 0,
BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
err = bus_dma_tag_create(bus_get_dma_tag(dev), sizeof(eth_rx_desc_t),
0, BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
ATE_MAX_RX_BUFFERS * sizeof(eth_rx_desc_t), 1,
ATE_MAX_RX_BUFFERS * sizeof(eth_rx_desc_t), 0, busdma_lock_mutex,
&sc->sc_mtx, &sc->rx_desc_tag);

7
sys/arm/at91/uart_dev_at91usart.c
View file

@ -350,9 +350,10 @@ at91_usart_bus_attach(struct uart_softc *sc)
/*
* Allocate DMA tags and maps
*/
err = bus_dma_tag_create(NULL, 1, 0, BUS_SPACE_MAXADDR_32BIT,
BUS_SPACE_MAXADDR, NULL, NULL, USART_BUFFER_SIZE, 1,
USART_BUFFER_SIZE, BUS_DMA_ALLOCNOW, NULL, NULL, &atsc->dmatag);
err = bus_dma_tag_create(bus_get_dma_tag(dev), 1, 0,
BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
USART_BUFFER_SIZE, 1, USART_BUFFER_SIZE, BUS_DMA_ALLOCNOW, NULL,
NULL, &atsc->dmatag);
if (err != 0)
goto errout;
err = bus_dmamap_create(atsc->dmatag, 0, &atsc->tx_map);