Merge branch 'net-phy-improve-starting-PHY'

Heiner Kallweit says:

====================
net: phy: improve starting PHY

This patch series improves few aspects of starting the PHY.

v2:
- improve a warning in patch 4
v3:
- extend commit message for patch 2
====================

Signed-off-by: David S. Miller <davem@davemloft.net>