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From: Sergiu Moga <sergiu.moga@microchip.com>
To: <nicolas.ferre@microchip.com>, <claudiu.beznea@microchip.com>,
	<davem@davemloft.net>, <edumazet@google.com>, <kuba@kernel.org>,
	<pabeni@redhat.com>, <linux@armlinux.org.uk>,
	<f.fainelli@gmail.com>, <tudor.ambarus@microchip.com>
Cc: <netdev@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	Sergiu Moga <sergiu.moga@microchip.com>
Subject: [PATCH v2] net: macb: Specify PHY PM management done by MAC
Date: Wed, 19 Oct 2022 15:09:32 +0300	[thread overview]
Message-ID: <20221019120929.63098-1-sergiu.moga@microchip.com> (raw)

The `macb_resume`/`macb_suspend` methods already call the
`phylink_start`/`phylink_stop` methods during their execution so
explicitly say that the PM of the PHY is done by MAC by using the
`mac_managed_pm` flag of the `struct phylink_config`.

This also fixes the warning message issued during resume:
WARNING: CPU: 0 PID: 237 at drivers/net/phy/phy_device.c:323 mdio_bus_phy_resume+0x144/0x148

Depends-on: 96de900ae78e ("net: phylink: add mac_managed_pm in phylink_config structure")
Fixes: 744d23c71af3 ("net: phy: Warn about incorrect mdio_bus_phy_resume() state")
Signed-off-by: Sergiu Moga <sergiu.moga@microchip.com>
---


v1 -> v2:
- Add Depends-on: tag


 drivers/net/ethernet/cadence/macb_main.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index 51c9fd6f68a4..4f63f1ba3161 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -806,6 +806,7 @@ static int macb_mii_probe(struct net_device *dev)
 
 	bp->phylink_config.dev = &dev->dev;
 	bp->phylink_config.type = PHYLINK_NETDEV;
+	bp->phylink_config.mac_managed_pm = true;
 
 	if (bp->phy_interface == PHY_INTERFACE_MODE_SGMII) {
 		bp->phylink_config.poll_fixed_state = true;
-- 
2.34.1


             reply	other threads:[~2022-10-19 12:35 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-19 12:09 Sergiu Moga [this message]
2022-10-19 23:37 ` Florian Fainelli
2022-10-20  8:14 ` Claudiu.Beznea
2022-10-21  5:10 ` patchwork-bot+netdevbpf

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