netdev - [PATCH] net: phy: Only resume phy if it is suspended

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Message-Id: <20231205234229.274601-1-justin.chen@broadcom.com>
Date: Tue,  5 Dec 2023 15:42:29 -0800
From: Justin Chen <justin.chen@...adcom.com>
To: netdev@...r.kernel.org
Cc: bcm-kernel-feedback-list@...adcom.com,
	florian.fainelli@...adcom.com,
	Justin Chen <justin.chen@...adcom.com>,
	Andrew Lunn <andrew@...n.ch>,
	Heiner Kallweit <hkallweit1@...il.com>,
	Russell King <linux@...linux.org.uk>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	linux-kernel@...r.kernel.org (open list)
Subject: [PATCH] net: phy: Only resume phy if it is suspended

Resuming the phy can take quite a bit of time. Lets only resume the
phy if it is suspended.

Signed-off-by: Justin Chen <justin.chen@...adcom.com>
---
 drivers/net/phy/phy.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index 3376e58e2b88..7fbb21922d64 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -1549,7 +1549,8 @@ void phy_start(struct phy_device *phydev)
 		sfp_upstream_start(phydev->sfp_bus);
 
 	/* if phy was suspended, bring the physical link up again */
-	__phy_resume(phydev);
+	if (phydev->suspended)
+		__phy_resume(phydev);
 
 	phydev->state = PHY_UP;
 
-- 
2.34.1


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