[PATCH net] net: bcmsysport: Indicate MAC is in charge of PHY PM

From: Florian Fainelli
Date: Tue Oct 25 2022 - 19:42:45 EST


Avoid the PHY library call unnecessarily into the suspend/resume
functions by setting phydev->mac_managed_pm to true. The SYSTEMPORT
driver essentially does exactly what mdio_bus_phy_resume() does by
calling 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@xxxxxxxxx>
---
drivers/net/ethernet/broadcom/bcmsysport.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c
index 867f14c30e09..425d6ccd5413 100644
--- a/drivers/net/ethernet/broadcom/bcmsysport.c
+++ b/drivers/net/ethernet/broadcom/bcmsysport.c
@@ -1991,6 +1991,9 @@ static int bcm_sysport_open(struct net_device *dev)
goto out_clk_disable;
}

+ /* Indicate that the MAC is responsible for PHY PM */
+ phydev->mac_managed_pm = true;
+
/* Reset house keeping link status */
priv->old_duplex = -1;
priv->old_link = -1;
--
2.25.1