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 <hkallwe...@gmail.com>
Reported-by: Aaro Koskinen <aaro.koski...@iki.fi>
---
This fix doesn't apply cleanly on net-next, I'll provide a separate one for
net-next.
---
drivers/net/ethernet/realtek/r8169_main.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/net/ethernet/realtek/r8169_main.c
b/drivers/net/ethernet/realtek/r8169_main.c
index e1dd6ea60..bae0074ab 100644
--- a/drivers/net/ethernet/realtek/r8169_main.c
+++ b/drivers/net/ethernet/realtek/r8169_main.c
@@ -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;
}
--
2.23.0
