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Commit be9dad1f authored by Sebastian Hesselbarth's avatar Sebastian Hesselbarth Committed by David S. Miller
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net: phy: suspend phydev when going to HALTED 



When phydev is going to HALTED state, we can try to suspend it to
safe more power. phy_suspend helper will check if PHY can be suspended,
so just call it when entering HALTED state.

Signed-off-by: default avatarSebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Acked-by: default avatarMugunthan V N <mugunthanvnm@ti.com>
Reviewed-by: default avatarFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 1211ce53

drivers/net/phy/phy.c

+5 −1
Original line number Diff line number Diff line
@@ -739,7 +739,7 @@ void phy_state_machine(struct work_struct *work) 
	struct delayed_work *dwork = to_delayed_work(work);

	struct phy_device *phydev =

			container_of(dwork, struct phy_device, state_queue);

	int needs_aneg = 0;

	int needs_aneg = 0, do_suspend = 0;

	int err = 0;



	mutex_lock(&phydev->lock);
@@ -854,6 +854,7 @@ void phy_state_machine(struct work_struct *work) 
				phydev->link = 0;

				netif_carrier_off(phydev->attached_dev);

				phydev->adjust_link(phydev->attached_dev);

				do_suspend = 1;

			}

			break;

		case PHY_RESUMING:
@@ -912,6 +913,9 @@ void phy_state_machine(struct work_struct *work) 
	if (needs_aneg)

		err = phy_start_aneg(phydev);



	if (do_suspend)

		phy_suspend(phydev);



	if (err < 0)

		phy_error(phydev);