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    Subject[PATCH AUTOSEL for 4.14 039/100] phylink: ensure we take the link down when phylink_stop() is called
    Date
    From: Russell King <rmk+kernel@armlinux.org.uk>

    [ Upstream commit 2012b7d6b2868c532f22d9172c8b24611637eb48 ]

    Ensure that we tell the MAC to take the link down when phylink_stop()
    is called, and that this completes prior to phylink_stop() returns.

    Reported-by: Florian Fainelli <f.fainelli@gmail.com>
    Tested-by: Florian Fainelli <f.fainelli@gmail.com>
    Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
    Signed-off-by: David S. Miller <davem@davemloft.net>
    Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
    ---
    drivers/net/phy/phylink.c | 1 +
    1 file changed, 1 insertion(+)

    diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
    index cb85307f125b..1b2fe74a44ea 100644
    --- a/drivers/net/phy/phylink.c
    +++ b/drivers/net/phy/phylink.c
    @@ -772,6 +772,7 @@ void phylink_stop(struct phylink *pl)
    sfp_upstream_stop(pl->sfp_bus);

    set_bit(PHYLINK_DISABLE_STOPPED, &pl->phylink_disable_state);
    + queue_work(system_power_efficient_wq, &pl->resolve);
    flush_work(&pl->resolve);
    }
    EXPORT_SYMBOL_GPL(phylink_stop);
    --
    2.11.0
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