diff options
| author | Francesco Virlinzi <francesco.virlinzi@st.com> | 2012-02-15 00:10:38 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-02-15 14:52:10 -0500 |
| commit | 7a13f8f5b63652c035147aab5fcba7ee9101f1fb (patch) | |
| tree | 7fab8140357475616df961b140a7e4d402231938 | |
| parent | 1cc5a735185a963ed9324a65e1f2db02bf52c0d4 (diff) | |
| download | blackbird-op-linux-7a13f8f5b63652c035147aab5fcba7ee9101f1fb.tar.gz blackbird-op-linux-7a13f8f5b63652c035147aab5fcba7ee9101f1fb.zip | |
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>
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 96fa2da30763..970a3f415244 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -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); |
