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authorHeiner Kallweit <hkallweit1@gmail.com>2018-09-20 22:34:25 +0200
committerDavid S. Miller <davem@davemloft.net>2018-09-21 18:59:29 -0700
commit075ddebc3283e83ac56fcc8f4bb44c15cef0d7ce (patch)
tree38f7cd5af1590e8a6f4880beffe2728ed303fb32 /drivers
parent7979472bba8bf63f0f76a37d48d59a26210d9bee (diff)
net: phy: don't reschedule state machine when PHY is halted
When being in state PHY_HALTED we don't have to reschedule the state machine, phy_start() will start it again. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/phy/phy.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index a5e0f0721035..a1f8e4816f72 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -1123,9 +1123,13 @@ void phy_state_machine(struct work_struct *work)
/* Only re-schedule a PHY state machine change if we are polling the
* PHY, if PHY_IGNORE_INTERRUPT is set, then we will be moving
- * between states from phy_mac_interrupt()
+ * between states from phy_mac_interrupt().
+ *
+ * In state PHY_HALTED the PHY gets suspended, so rescheduling the
+ * state machine would be pointless and possibly error prone when
+ * called from phy_disconnect() synchronously.
*/
- if (phy_polling_mode(phydev))
+ if (phy_polling_mode(phydev) && old_state != PHY_HALTED)
queue_delayed_work(system_power_efficient_wq, &phydev->state_queue,
PHY_STATE_TIME * HZ);
}