diff mbox series

[net-next,1/3] net: phy: make phy_suspend a no-op if PHY is suspended already

Message ID ebc88561-76c1-e81e-2229-9bd16270366d@gmail.com
State New
Headers show
Series net: phy: smaller phylib improvements | expand

Commit Message

Heiner Kallweit April 23, 2020, 7:34 p.m. UTC 
Gently handle the case that phy_suspend() is called whilst PHY is in
power-down.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
---
 drivers/net/phy/phy_device.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index ac2784192..206d98502 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -1524,6 +1524,9 @@  int phy_suspend(struct phy_device *phydev)
 	struct phy_driver *phydrv = phydev->drv;
 	int ret;
 
+	if (phydev->suspended)
+		return 0;
+
 	/* If the device has WOL enabled, we cannot suspend the PHY */
 	phy_ethtool_get_wol(phydev, &wol);
 	if (wol.wolopts || (netdev && netdev->wol_enabled))