Now that arch specific dma mapping APIs take care of cache flush/invalidate, drop local cache flush operation.
Signed-off-by: Vignesh Raghavendra vigneshr@ti.com --- drivers/net/macb.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/net/macb.c b/drivers/net/macb.c index 1a532b0e5a4f..1ded76b6d7b6 100644 --- a/drivers/net/macb.c +++ b/drivers/net/macb.c @@ -331,8 +331,6 @@ static int _macb_send(struct macb_device *macb, const char *name, void *packet, macb->tx_ring[tx_head].addr = paddr; barrier(); macb_flush_ring_desc(macb, TX); - /* Do we need check paddr and length is dcache line aligned? */ - flush_dcache_range(paddr, paddr + ALIGN(length, ARCH_DMA_MINALIGN)); macb_writel(macb, NCR, MACB_BIT(TE) | MACB_BIT(RE) | MACB_BIT(TSTART));
/* @@ -348,7 +346,7 @@ static int _macb_send(struct macb_device *macb, const char *name, void *packet, udelay(1); }
- dma_unmap_single(packet, length, paddr); + dma_unmap_single(packet, length, DMA_TO_DEVICE);
if (i <= MACB_TX_TIMEOUT) { if (ctrl & MACB_BIT(TX_UNDERRUN))