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| author | Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> | 2013-12-13 10:20:27 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-12-17 20:42:44 +0100 |
| commit | 481b5d938b4a60f052d7e15965a8417125e0d39f (patch) | |
| tree | 02131fdc36661ebb2928db66c895060a7908c956 /drivers/net/phy/phy_device.c | |
| parent | net: phy: marvell: provide genphy suspend/resume (diff) | |
| download | linux-481b5d938b4a60f052d7e15965a8417125e0d39f.tar.xz linux-481b5d938b4a60f052d7e15965a8417125e0d39f.zip | |
net: phy: provide phy_resume/phy_suspend helpers
This adds helper functions to resume and suspend a given phy_device
by calling the corresponding driver callbacks if available.
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_device.c')
| -rw-r--r-- | drivers/net/phy/phy_device.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 5a619f0dcf73..91f17178f1b3 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -679,6 +679,30 @@ void phy_detach(struct phy_device *phydev) } EXPORT_SYMBOL(phy_detach); +int phy_suspend(struct phy_device *phydev) +{ + struct phy_driver *phydrv = to_phy_driver(phydev->dev.driver); + struct ethtool_wolinfo wol; + + /* If the device has WOL enabled, we cannot suspend the PHY */ + wol.cmd = ETHTOOL_GWOL; + phy_ethtool_get_wol(phydev, &wol); + if (wol.wolopts) + return -EBUSY; + + if (phydrv->suspend) + return phydrv->suspend(phydev); + return 0; +} + +int phy_resume(struct phy_device *phydev) +{ + struct phy_driver *phydrv = to_phy_driver(phydev->dev.driver); + + if (phydrv->resume) + return phydrv->resume(phydev); + return 0; +} /* Generic PHY support and helper functions */ |