From: Florian Fainelli f.fainelli@gmail.com
commit bc3410f250219660a7be032c01c954a53b2c26ab upstream.
Avoid the PHY library call unnecessarily into the suspend/resume functions by setting phydev->mac_managed_pm to true. The GENET driver essentially does exactly what mdio_bus_phy_resume() does by calling phy_init_hw() plus phy_resume().
Fixes: fba863b81604 ("net: phy: make PHY PM ops a no-op if MAC driver manages PHY PM") Signed-off-by: Florian Fainelli f.fainelli@gmail.com Link: https://lore.kernel.org/r/20220804173605.1266574-1-f.fainelli@gmail.com Signed-off-by: Jakub Kicinski kuba@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/net/ethernet/broadcom/genet/bcmmii.c | 3 +++ 1 file changed, 3 insertions(+)
--- a/drivers/net/ethernet/broadcom/genet/bcmmii.c +++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c @@ -393,6 +393,9 @@ int bcmgenet_mii_probe(struct net_device if (priv->internal_phy && !GENET_IS_V5(priv)) dev->phydev->irq = PHY_MAC_INTERRUPT;
+ /* Indicate that the MAC is responsible for PHY PM */ + dev->phydev->mac_managed_pm = true; + return 0; }