Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 5.15 059/244] net: bcmgenet: Indicate MAC is in charge of PHY PM | Date | Tue, 23 Aug 2022 10:23:38 +0200 |
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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 @@ -361,6 +361,9 @@ 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; }
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