Move to the common streaming DMA ops in order to get rid of the direct usage of the ARM MMU functions for the cache maintenance.
Signed-off-by: Lucas Stach <[email protected]> --- drivers/net/at91_ether.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/net/at91_ether.c b/drivers/net/at91_ether.c index 2ef24cc..d596834 100644 --- a/drivers/net/at91_ether.c +++ b/drivers/net/at91_ether.c @@ -35,7 +35,6 @@ #include <linux/clk.h> #include <linux/mii.h> #include <errno.h> -#include <asm/mmu.h> #include <linux/phy.h> #include "at91_ether.h" @@ -200,7 +199,8 @@ static int at91_ether_send(struct eth_device *edev, void *packet, int length) { while (!(at91_emac_read(AT91_EMAC_TSR) & AT91_EMAC_TSR_BNQ)); - dma_flush_range((ulong) packet, (ulong)packet + length); + dma_sync_single_for_device((unsigned long)packet, length, DMA_TO_DEVICE); + /* Set address of the data in the Transmit Address register */ at91_emac_write(AT91_EMAC_TAR, (unsigned long) packet); /* Set length of the packet in the Transmit Control register */ @@ -211,6 +211,8 @@ static int at91_ether_send(struct eth_device *edev, void *packet, int length) at91_emac_write(AT91_EMAC_TSR, at91_emac_read(AT91_EMAC_TSR) | AT91_EMAC_TSR_COMP); + dma_sync_single_for_cpu((unsigned long)packet, length, DMA_TO_DEVICE); + return 0; } @@ -225,7 +227,11 @@ static int at91_ether_rx(struct eth_device *edev) size = rbfp->size & RBF_SIZE; + dma_sync_single_for_cpu((unsigned long)rbfp->addr, size, + DMA_FROM_DEVICE); net_receive(edev, (unsigned char *)(rbfp->addr & RBF_ADDR), size); + dma_sync_single_for_device((unsigned long)rbfp->addr, size, + DMA_FROM_DEVICE); rbfp->addr &= ~RBF_OWNER; if (rbfp->addr & RBF_WRAP) -- 2.1.0 _______________________________________________ barebox mailing list [email protected] http://lists.infradead.org/mailman/listinfo/barebox
