r8169: extraneous Cmd{Tx/Rx}Enb write
Checked in Realtek's driver, this one has no business being there. The driver still works but there is a noticeable performance drop. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
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@ -1882,7 +1882,6 @@ static void rtl8169_hw_start(struct net_device *dev)
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(tp->mac_version == RTL_GIGA_MAC_VER_02) ||
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(tp->mac_version == RTL_GIGA_MAC_VER_03) ||
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(tp->mac_version == RTL_GIGA_MAC_VER_04))
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RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
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rtl8169_set_rx_tx_config_registers(tp);
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cmd = RTL_R16(CPlusCmd);
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