From: Sebastian Hesselbarth Date: Fri, 13 Dec 2013 09:20:29 +0000 (+0100) Subject: net: phy: suspend phydev when going to HALTED X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=be9dad1f9f26604fb71c0d53ccb39a8f1d425807;p=openwrt%2Fstaging%2Fblogic.git 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: Sebastian Hesselbarth Acked-by: Mugunthan V N Reviewed-by: Florian Fainelli Signed-off-by: David S. Miller --- diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index e3dd69100da8..dea609f86aee 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -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);