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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>
This commit is contained in:
Francesco Virlinzi 2011-11-16 21:58:02 +00:00 committed by David S. Miller
parent 989508ba60
commit 102463b18d
1 changed files with 7 additions and 5 deletions
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12
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
View File

@ -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;
}