net: fec: fix ethtool set_pauseparam duplex bug
Setting the pause parameters causes a running network interface to be restarted. However, the restart forces the FEC into half-duplex mode, whether or not the remote end is in half-duplex mode. Misconfigured duplex mode is a known source of problems on a link. Fix this by always preserving the duplex mode on configuration changes. Acked-by: NFugang Duan <B38611@freescale.com> Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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