This is a note to let you know that I've just added the patch titled
net: bcmsysport: Indicate MAC is in charge of PHY PM
to the 6.0-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
net-bcmsysport-indicate-mac-is-in-charge-of-phy-pm.patch
and it can be found in the queue-6.0 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 92a9a871a5b89e235cd903a8560b96548510c781
Author: Florian Fainelli <f.fainelli@xxxxxxxxx>
Date: Tue Oct 25 16:42:01 2022 -0700
net: bcmsysport: Indicate MAC is in charge of PHY PM
[ Upstream commit 9f172134dde7e4f5bf4b9139f23a1e741ec1c36e ]
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>
Link: https://lore.kernel.org/r/20221025234201.2549360-1-f.fainelli@xxxxxxxxx
Signed-off-by: Paolo Abeni <pabeni@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c
index 47fc8e6963d5..2f01d4b0a9aa 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;
