This reverts commit
f072218cca5b076dd99f3dfa3aaafedfd0023a51.
As reported by Aaro this patch causes network problems on
MIPS Loongson platform. Therefore revert it.
Fixes: f072218cca5b ("r8169: remove not needed call to dma_sync_single_for_device")
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reported-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
skb = napi_alloc_skb(&tp->napi, pkt_size);
if (skb)
skb_copy_to_linear_data(skb, data, pkt_size);
+ dma_sync_single_for_device(d, addr, pkt_size, DMA_FROM_DEVICE);
return skb;
}