netdev - [PATCH net-next] net: phy: declare package-related struct members only if CONFIG_PHY

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Message-ID: <f0daefa4-406a-4a06-a4f0-7e31309f82bc@gmail.com>
Date: Thu, 3 Jul 2025 07:55:52 +0200
From: Heiner Kallweit <hkallweit1@...il.com>
To: Andrew Lunn <andrew@...n.ch>,
 Russell King - ARM Linux <linux@...linux.org.uk>,
 Paolo Abeni <pabeni@...hat.com>, Eric Dumazet <edumazet@...gle.com>,
 David Miller <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>
Cc: "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: [PATCH net-next] net: phy: declare package-related struct members
 only if CONFIG_PHY_PACKAGE is enabled

Now that we have an own config symbol for the PHY package module,
we can use it to reduce size of these structs if it isn't enabled.

Signed-off-by: Heiner Kallweit <hkallweit1@...il.com>
---
 include/linux/phy.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/linux/phy.h b/include/linux/phy.h
index 74c1bcf64..543a94751 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -409,8 +409,10 @@ struct mii_bus {
 	/** @shared_lock: protect access to the shared element */
 	struct mutex shared_lock;
 
+#if IS_ENABLED(CONFIG_PHY_PACKAGE)
 	/** @shared: shared state across different PHYs */
 	struct phy_package_shared *shared[PHY_MAX_ADDR];
+#endif
 };
 #define to_mii_bus(d) container_of(d, struct mii_bus, dev)
 
@@ -718,9 +720,11 @@ struct phy_device {
 	/* For use by PHYs to maintain extra state */
 	void *priv;
 
+#if IS_ENABLED(CONFIG_PHY_PACKAGE)
 	/* shared data pointer */
 	/* For use by PHYs inside the same package that need a shared state. */
 	struct phy_package_shared *shared;
+#endif
 
 	/* Reporting cable test results */
 	struct sk_buff *skb;
-- 
2.50.0