stmmac: fix pm functions avoiding sleep on spinlock

This patch fixes the pm functions to avoid the system
sleeps while a spinlock is taken.

Signed-off-by: Francesco Virlinzi <francesco.virlinzi@st.com>
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 29dd87c..8ea770a 100644 (file)
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -2011,12 +2011,13 @@ static int stmmac_suspend(struct device *dev)
        if (!ndev || !netif_running(ndev))
                return 0;
 
+       if (priv->phydev)
+               phy_stop(priv->phydev);
+
        spin_lock(&priv->lock);
 
        netif_device_detach(ndev);
        netif_stop_queue(ndev);
-       if (priv->phydev)
-               phy_stop(priv->phydev);
 
 #ifdef CONFIG_STMMAC_TIMER
        priv->tm->timer_stop();
@@ -2074,12 +2075,13 @@ static int stmmac_resume(struct device *dev)
 #endif
        napi_enable(&priv->napi);
 
-       if (priv->phydev)
-               phy_start(priv->phydev);
-
        netif_start_queue(ndev);
 
        spin_unlock(&priv->lock);
+
+       if (priv->phydev)
+               phy_start(priv->phydev);
+
        return 0;
 }