netdev - [PATCH net-next 2/6] net: phy: improve phy_disable_eee

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Message-ID: <92164896-38ff-4474-b98b-e83fc05b9509@gmail.com>
Date: Sun, 16 Feb 2025 22:16:34 +0100
From: Heiner Kallweit <hkallweit1@...il.com>
To: Andrew Lunn <andrew@...n.ch>,
 Russell King - ARM Linux <linux@...linux.org.uk>,
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
 Eric Dumazet <edumazet@...gle.com>, David Miller <davem@...emloft.net>
Cc: "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: [PATCH net-next 2/6] net: phy: improve phy_disable_eee_mode

If a mode is to be disabled, remove it from advertising_eee.
Disabling EEE modes shall be done before calling phy_start(),
warn if that's not the case.

Signed-off-by: Heiner Kallweit <hkallweit1@...il.com>
---
 include/linux/phy.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/linux/phy.h b/include/linux/phy.h
index 481f8e21f..26a11a0c7 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -1345,7 +1345,10 @@ static inline bool phy_is_started(struct phy_device *phydev)
  */
 static inline void phy_disable_eee_mode(struct phy_device *phydev, u32 link_mode)
 {
+	WARN_ON(phy_is_started(phydev));
+
 	linkmode_set_bit(link_mode, phydev->eee_disabled_modes);
+	linkmode_clear_bit(link_mode, phydev->advertising_eee);
 }
 
 void phy_resolve_aneg_pause(struct phy_device *phydev);
-- 
2.48.1