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Revert "r8169: remove not needed call to dma_sync_single_for_device"

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This reverts commit f072218cca.

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

Fixes: f072218cca ("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>
This commit is contained in:
Heiner Kallweit 2019-08-23 19:57:49 +02:00 committed by David S. Miller
parent db0b99f59a
commit 345b93265b
1 changed files with 1 additions and 0 deletions
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drivers/net/ethernet/realtek/r8169_main.c
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@ -5921,6 +5921,7 @@ static struct sk_buff *rtl8169_try_rx_copy(void *data,
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;
}