From 3837c9b318d0ac9e4de6354b41158bc662756978 Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Thu, 4 Aug 2022 10:36:04 -0700 Subject: [PATCH] net: bcmgenet: Indicate MAC is in charge of PHY PM 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 Link: https://lore.kernel.org/r/20220804173605.1266574-1-f.fainelli@gmail.com Signed-off-by: Jakub Kicinski Signed-off-by: Greg Kroah-Hartman --- drivers/net/ethernet/broadcom/genet/bcmmii.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/ethernet/broadcom/genet/bcmmii.c b/drivers/net/ethernet/broadcom/genet/bcmmii.c index c888ddee1fc41..7ded559842e83 100644 --- 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 *dev) 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; }