Now that arch specific dma mapping APIs take care of cache
flush/invalidate, drop local cache flush operation.
Signed-off-by: Vignesh Raghavendra <vigne...@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))
--
2.24.0
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