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);