net: stmmac: dwmac4: Re-enable MAC Rx before powering down
Re-enable the MAC receiver by setting CONFIG_RE before powering down, as instructed in section 6.3.5.1 of [1]. Without this the MAC fails to receive WoL packets and never wakes up. [1] DWC Ethernet QoS Databook 4.10a October 2014 Signed-off-by: NEd Blake <ed.blake@sondrel.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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