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Commit d4ed7463 authored by Heiner Kallweit's avatar Heiner Kallweit Committed by David S. Miller
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r8169: fix DMA issue on MIPS platform 



As reported by Aaro this patch causes network problems on
MIPS Loongson platform. Therefore revert it.

Fixes: f072218c ("r8169: remove not needed call to dma_sync_single_for_device")
Signed-off-by: default avatarHeiner Kallweit <hkallweit1@gmail.com>
Reported-by: default avatarAaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent bd1200b7

drivers/net/ethernet/realtek/r8169_main.c

+4 −0
Original line number Diff line number Diff line
@@ -5822,6 +5822,10 @@ static int rtl_rx(struct net_device *dev, struct rtl8169_private *tp, u32 budget 
			skb->tail += pkt_size;

			skb->len = pkt_size;



			dma_sync_single_for_device(tp_to_dev(tp),

						   le64_to_cpu(desc->addr),

						   pkt_size, DMA_FROM_DEVICE);



			rtl8169_rx_csum(skb, status);

			skb->protocol = eth_type_trans(skb, dev);