net: bcmgenet: request Wake-on-LAN interrupt
Attempt to the request the Wake-on-LAN interrupt bit, and if successful,
advertise wakeup capability instead of doing this unconditionnally.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index bbd8bf3..344a889 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -1918,6 +1918,15 @@
return IRQ_HANDLED;
}
+static irqreturn_t bcmgenet_wol_isr(int irq, void *dev_id)
+{
+ struct bcmgenet_priv *priv = dev_id;
+
+ pm_wakeup_event(&priv->pdev->dev, 0);
+
+ return IRQ_HANDLED;
+}
+
static void bcmgenet_umac_reset(struct bcmgenet_priv *priv)
{
u32 reg;
@@ -2046,8 +2055,6 @@
bcmgenet_ext_writel(priv, reg, EXT_EXT_PWR_MGMT);
}
- device_set_wakeup_capable(&dev->dev, 1);
-
/* Disable RX/TX DMA and flush TX queues */
dma_ctrl = bcmgenet_dma_disable(priv);
@@ -2473,6 +2480,7 @@
priv = netdev_priv(dev);
priv->irq0 = platform_get_irq(pdev, 0);
priv->irq1 = platform_get_irq(pdev, 1);
+ priv->wol_irq = platform_get_irq(pdev, 2);
if (!priv->irq0 || !priv->irq1) {
dev_err(&pdev->dev, "can't find IRQs\n");
err = -EINVAL;
@@ -2507,6 +2515,13 @@
dev->hw_features |= NETIF_F_SG | NETIF_F_IP_CSUM |
NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM;
+ /* Request the WOL interrupt and advertise suspend if available */
+ priv->wol_irq_disabled = true;
+ err = devm_request_irq(&pdev->dev, priv->wol_irq, bcmgenet_wol_isr, 0,
+ dev->name, priv);
+ if (!err)
+ device_set_wakeup_capable(&pdev->dev, 1);
+
/* Set the needed headroom to account for any possible
* features enabling/disabling at runtime
*/
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.h b/drivers/net/ethernet/broadcom/genet/bcmgenet.h
index f4891a1..64bc53d 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.h
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.h
@@ -569,6 +569,8 @@
int irq1;
unsigned int irq0_stat;
unsigned int irq1_stat;
+ int wol_irq;
+ bool wol_irq_disabled;
/* HW descriptors/checksum variables */
bool desc_64b_en;