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authorSebastian Hesselbarth <sebastian.hesselbarth@gmail.com>2013-12-13 10:20:29 +0100
committerDavid S. Miller <davem@davemloft.net>2013-12-17 14:42:44 -0500
commitbe9dad1f9f26604fb71c0d53ccb39a8f1d425807 (patch)
treeed294b23c4e02b34473e3c56f6c0d2599d8f2a1d /drivers/net/phy/phy.c
parentnet: phy: resume/suspend PHYs on attach/detach (diff)
downloadlinux-dev-be9dad1f9f26604fb71c0d53ccb39a8f1d425807.tar.xz
linux-dev-be9dad1f9f26604fb71c0d53ccb39a8f1d425807.zip
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 <sebastian.hesselbarth@gmail.com> Acked-by: Mugunthan V N <mugunthanvnm@ti.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/phy/phy.c')
-rw-r--r--drivers/net/phy/phy.c6
1 files changed, 5 insertions, 1 deletions
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);