aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--drivers/net/ethernet/broadcom/genet/bcmgenet.c63
-rw-r--r--drivers/net/ethernet/broadcom/genet/bcmgenet_wol.c6
2 files changed, 39 insertions, 30 deletions
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index bf88749505a9..983245c0867c 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -3612,36 +3612,6 @@ static int bcmgenet_remove(struct platform_device *pdev)
}
#ifdef CONFIG_PM_SLEEP
-static int bcmgenet_suspend(struct device *d)
-{
- struct net_device *dev = dev_get_drvdata(d);
- struct bcmgenet_priv *priv = netdev_priv(dev);
- int ret = 0;
-
- if (!netif_running(dev))
- return 0;
-
- netif_device_detach(dev);
-
- bcmgenet_netif_stop(dev);
-
- if (!device_may_wakeup(d))
- phy_suspend(dev->phydev);
-
- /* Prepare the device for Wake-on-LAN and switch to the slow clock */
- if (device_may_wakeup(d) && priv->wolopts) {
- ret = bcmgenet_power_down(priv, GENET_POWER_WOL_MAGIC);
- clk_prepare_enable(priv->clk_wol);
- } else if (priv->internal_phy) {
- ret = bcmgenet_power_down(priv, GENET_POWER_PASSIVE);
- }
-
- /* Turn off the clocks */
- clk_disable_unprepare(priv->clk);
-
- return ret;
-}
-
static int bcmgenet_resume(struct device *d)
{
struct net_device *dev = dev_get_drvdata(d);
@@ -3719,6 +3689,39 @@ out_clk_disable:
clk_disable_unprepare(priv->clk);
return ret;
}
+
+static int bcmgenet_suspend(struct device *d)
+{
+ struct net_device *dev = dev_get_drvdata(d);
+ struct bcmgenet_priv *priv = netdev_priv(dev);
+ int ret = 0;
+
+ if (!netif_running(dev))
+ return 0;
+
+ netif_device_detach(dev);
+
+ bcmgenet_netif_stop(dev);
+
+ if (!device_may_wakeup(d))
+ phy_suspend(dev->phydev);
+
+ /* Prepare the device for Wake-on-LAN and switch to the slow clock */
+ if (device_may_wakeup(d) && priv->wolopts) {
+ ret = bcmgenet_power_down(priv, GENET_POWER_WOL_MAGIC);
+ clk_prepare_enable(priv->clk_wol);
+ } else if (priv->internal_phy) {
+ ret = bcmgenet_power_down(priv, GENET_POWER_PASSIVE);
+ }
+
+ /* Turn off the clocks */
+ clk_disable_unprepare(priv->clk);
+
+ if (ret)
+ bcmgenet_resume(d);
+
+ return ret;
+}
#endif /* CONFIG_PM_SLEEP */
static SIMPLE_DEV_PM_OPS(bcmgenet_pm_ops, bcmgenet_suspend, bcmgenet_resume);
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet_wol.c b/drivers/net/ethernet/broadcom/genet/bcmgenet_wol.c
index 2fbd027f0148..b3596e0ee47b 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet_wol.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet_wol.c
@@ -186,9 +186,15 @@ void bcmgenet_wol_power_up_cfg(struct bcmgenet_priv *priv,
}
reg = bcmgenet_umac_readl(priv, UMAC_MPD_CTRL);
+ if (!(reg & MPD_EN))
+ return; /* already powered up so skip the rest */
reg &= ~MPD_EN;
bcmgenet_umac_writel(priv, reg, UMAC_MPD_CTRL);
+ reg = bcmgenet_hfb_reg_readl(priv, HFB_CTRL);
+ reg &= ~(RBUF_HFB_EN | RBUF_ACPI_EN);
+ bcmgenet_hfb_reg_writel(priv, reg, HFB_CTRL);
+
/* Disable CRC Forward */
reg = bcmgenet_umac_readl(priv, UMAC_CMD);
reg &= ~CMD_CRC_FWD;