net: stmmac: Hold rtnl lock in suspend/resume callbacks
We need to hold rnl lock in suspend and resume callbacks because phylink requires it. Otherwise we will get a WARN() in suspend and resume. Also, move phylink start and stop callbacks to inside device's internal lock so that we prevent concurrent HW accesses. Fixes: 74371272 ("net: stmmac: Convert to phylink and remove phylib logic") Reported-by:Christophe ROULLIER <christophe.roullier@st.com> Tested-by:
Christophe ROULLIER <christophe.roullier@st.com> Signed-off-by:
Jose Abreu <joabreu@synopsys.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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