netdev - [PATCH net-next 1/6] net: phy: add phy_can

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Message-Id: <E1v9jCJ-0000000B2NQ-0mhG@rmk-PC.armlinux.org.uk>
Date: Fri, 17 Oct 2025 13:04:39 +0100
From: "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
To: Andrew Lunn <andrew@...n.ch>,
	Heiner Kallweit <hkallweit1@...il.com>
Cc: Alexandre Torgue <alexandre.torgue@...s.st.com>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	linux-arm-kernel@...ts.infradead.org,
	linux-stm32@...md-mailman.stormreply.com,
	Maxime Coquelin <mcoquelin.stm32@...il.com>,
	netdev@...r.kernel.org,
	Paolo Abeni <pabeni@...hat.com>
Subject: [PATCH net-next 1/6] net: phy: add phy_can_wakeup()

Add phy_can_wakeup() to report whether the PHY driver has marked the
PHY device as being wake-up capable as far as the driver model is
concerned.

Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
---
 include/linux/phy.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/include/linux/phy.h b/include/linux/phy.h
index 3c7634482356..3eeeaec52832 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -1379,6 +1379,18 @@ static inline void phy_disable_eee_mode(struct phy_device *phydev, u32 link_mode
 	linkmode_clear_bit(link_mode, phydev->advertising_eee);
 }
 
+/**
+ * phy_can_wakeup() - indicate whether PHY has driver model wakeup capabilities
+ * @phydev: The phy_device struct
+ *
+ * Returns: true/false depending on the PHY driver's device_set_wakeup_capable()
+ * setting.
+ */
+static inline bool phy_can_wakeup(struct phy_device *phydev)
+{
+	return device_can_wakeup(&phydev->mdio.dev);
+}
+
 void phy_resolve_aneg_pause(struct phy_device *phydev);
 void phy_resolve_aneg_linkmode(struct phy_device *phydev);
 
-- 
2.47.3