Since phy_attach ensures PHYs are resumed, we can now suspend all PHYs that have no attached netdev after initcalls.
Signed-off-by: Sebastian Hesselbarth <[email protected]> --- Cc: David S. Miller <[email protected]> Cc: [email protected] Cc: [email protected] Cc: [email protected] --- drivers/net/phy/mdio_bus.c | 27 +++++++++++++++++++++++++++ 1 files changed, 27 insertions(+), 0 deletions(-) diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index 5617876..10eba58 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -320,6 +320,33 @@ static int mdio_bus_match(struct device *dev, struct device_driver *drv) (phydev->phy_id & phydrv->phy_id_mask)); } +static int mdio_bus_suspend_unused(struct device *busdev, void *data) +{ + struct mii_bus *bus = to_mii_bus(busdev); + struct phy_device *phydev; + struct phy_driver *phydrv; + int i; + + for (i = 0; i < PHY_MAX_ADDR; i++) { + if (!bus->phy_map[i]) + continue; + + phydev = to_phy_device(&bus->phy_map[i]->dev); + phydrv = to_phy_driver(phydev->dev.driver); + if (!phydev->attached_dev && phydrv && phydrv->suspend) + phy_suspend(phydev); + } + + return 0; +} + +static int mdio_bus_class_suspend_unused(void) +{ + return class_for_each_device(&mdio_bus_class, NULL, NULL, + mdio_bus_suspend_unused); +} +late_initcall_sync(mdio_bus_class_suspend_unused); + #ifdef CONFIG_PM static bool mdio_bus_phy_may_suspend(struct phy_device *phydev) -- 1.7.2.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
