From: Heiner Kallweit <hkallwe...@gmail.com> Date: Wed, 19 Dec 2018 07:50:43 +0100
> PHY_HALTED and PHY_READY both are non-started states and quite similar. > Major difference is that phy_start() changes from PHY_HALTED to > PHY_RESUMING which doesn't reconfigure aneg (what PHY_UP does). > > There's no guarantee that PHY registers are completely untouched when > waking up from power-down, e.g. after system suspend. Therefore it's > safer to reconfigure aneg also when starting from PHY_HALTED. This can > be achieved and state machine made simpler by making PHY_HALTED going > to PHY_READY after having stopped everything. Then the only way up is > over PHY_UP. As part of the change PHY_HALTED is renamed to PHY_HALT to > reflect that it is a transition state. > > After this change states PHY_RESUMING and PHY_CHANGELINK can be > removed. It looks like this series is still under discussion, so I'll hold on this until the discussion meets some kind of agreement or conclusion. Thanks.
