phy_stop_machine() is publicly exported in include/linux/phy.y, and is
not made static because it's also used by phy_device.c. Since
phy_start_machine() is already exported, do this here too. This is a
function that provides hard guarantees that the state machine is
properly stopped past that synchronization point.

Fixes: 00db8189d984 ("This patch adds a PHY Abstraction Layer to the Linux 
Kernel, enabling ethernet drivers to remain as ignorant as is reasonable of the 
connected PHY's design and operation details.")
Signed-off-by: Florian Fainelli <f.faine...@gmail.com>
---
 drivers/net/phy/phy.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index 2b1e67bc1e73..0ddeb97217ce 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -595,6 +595,7 @@ void phy_stop_machine(struct phy_device *phydev)
                phydev->state = PHY_UP;
        mutex_unlock(&phydev->lock);
 }
+EXPORT_SYMBOL_GPL(phy_stop_machine);
 
 /**
  * phy_error - enter HALTED state for this PHY device
-- 
2.9.3

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