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stmmac: request_irq when use an ext wake irq line (v2) 

In case of we use an external Wake-Up IRQ line
(priv->wol_irq != dev->irq) we need to invoke the
request_irq.

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 2012-02-15 00:10:38 +00:00 committed by David S. Miller
parent 1cc5a73518
commit 7a13f8f5b6
1 changed files with 16 additions and 0 deletions
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16
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
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@ -1047,6 +1047,17 @@ static int stmmac_open(struct net_device *dev)
goto open_error;
}
/* Request the Wake IRQ in case of another line is used for WoL */
if (priv->wol_irq != dev->irq) {
ret = request_irq(priv->wol_irq, stmmac_interrupt,
IRQF_SHARED, dev->name, dev);
if (unlikely(ret < 0)) {
pr_err("%s: ERROR: allocating the ext WoL IRQ %d "
"(error: %d)\n", __func__, priv->wol_irq, ret);
goto open_error_wolirq;
}
}
/* Enable the MAC Rx/Tx */
stmmac_set_mac(priv->ioaddr, true);
@ -1087,6 +1098,9 @@ static int stmmac_open(struct net_device *dev)
return 0;
open_error_wolirq:
free_irq(dev->irq, dev);
open_error:
#ifdef CONFIG_STMMAC_TIMER
kfree(priv->tm);
@ -1127,6 +1141,8 @@ static int stmmac_release(struct net_device *dev)
/* Free the IRQ lines */
free_irq(dev->irq, dev);
if (priv->wol_irq != dev->irq)
free_irq(priv->wol_irq, dev);
/* Stop TX/RX DMA and clear the descriptors */
priv->hw->dma->stop_tx(priv->ioaddr);