netdev - [PATCH net-next 7/7] net: phy: convert phy

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Date: Thu, 14 Sep 2023 16:36:02 +0100
From: "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
To: Andrew Lunn <andrew@...n.ch>,
	 Heiner Kallweit <hkallweit1@...il.com>
Cc: chenhao418@...wei.com,
	 "David S. Miller" <davem@...emloft.net>,
	 Eric Dumazet <edumazet@...gle.com>,
	 Jakub Kicinski <kuba@...nel.org>,
	 Jijie Shao <shaojijie@...wei.com>,
	 lanhao@...wei.com,
	 liuyonglong@...wei.com,
	 netdev@...r.kernel.org,
	 Paolo Abeni <pabeni@...hat.com>,
	 shenjian15@...wei.com,
	 wangjie125@...wei.com,
	 wangpeiyang1@...wei.com
Subject: [PATCH net-next 7/7] net: phy: convert phy_stop() to use split state
 machine

Convert phy_stop() to use the new locked-section and unlocked-section
parts of the PHY state machine.

Tested-by: Jijie Shao <shaojijie@...wei.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
---
 drivers/net/phy/phy.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index d78c2cc003ce..93a8676dd8d8 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -1467,6 +1467,7 @@ void phy_state_machine(struct work_struct *work)
 void phy_stop(struct phy_device *phydev)
 {
 	struct net_device *dev = phydev->attached_dev;
+	enum phy_state_work state_work;
 	enum phy_state old_state;
 
 	if (!phy_is_started(phydev) && phydev->state != PHY_DOWN &&
@@ -1490,9 +1491,10 @@ void phy_stop(struct phy_device *phydev)
 	phydev->state = PHY_HALTED;
 	phy_process_state_change(phydev, old_state);
 
+	state_work = _phy_state_machine(phydev);
 	mutex_unlock(&phydev->lock);
 
-	phy_state_machine(&phydev->state_queue.work);
+	_phy_state_machine_post_work(phydev, state_work);
 	phy_stop_machine(phydev);
 
 	/* Cannot call flush_scheduled_work() here as desired because
-- 
2.30.2