Heiner Kallweit 2b9672ddb6 net: phy: add phy_speed_down and phy_speed_up ...

Some network drivers include functionality to speed down the PHY when
suspending and just waiting for a WoL packet because this saves energy.
This functionality is quite generic, therefore let's factor it out to
phylib.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2018-07-16 13:34:47 -07:00

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