aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/ethernet
diff options
context:
space:
mode:
authorFlorian Fainelli <f.fainelli@gmail.com>2014-08-11 14:50:43 -0700
committerDavid S. Miller <davem@davemloft.net>2014-08-11 15:10:11 -0700
commitcc013fb4889892cd6058cfb122c43aeea7d930e8 (patch)
tree02b8332bbbfdc0c0797c2d7296a4fdd2a2bf93eb /drivers/net/ethernet
parentnet: bcmgenet: request and enable main clock earlier (diff)
downloadlinux-dev-cc013fb4889892cd6058cfb122c43aeea7d930e8.tar.xz
linux-dev-cc013fb4889892cd6058cfb122c43aeea7d930e8.zip
net: bcmgenet: correctly suspend and resume PHY device
Make sure that we properly suspend and resume the PHY device when we enter low power modes. We had two calls to bcmgenet_mii_reset() which will issue a software-reset to the PHY without using the PHY library, get rid of them since they are completely bogus and mess up with the PHY library state. Make sure that we reset the PHY library cached values (link, pause and duplex) to allow the link adjustment callback to be invoked when needed. Fixes: b6e978e50444 ("net: bcmgenet: add suspend/resume callbacks") Fixes: 1c1008c793fa4 ("net: bcmgenet: add main driver file") Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet')
-rw-r--r--drivers/net/ethernet/broadcom/genet/bcmgenet.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index 7a3661c090ee..90eb9c4b1b2c 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -739,7 +739,6 @@ static void bcmgenet_power_down(struct bcmgenet_priv *priv,
case GENET_POWER_PASSIVE:
/* Power down LED */
- bcmgenet_mii_reset(priv->dev);
if (priv->hw_params->flags & GENET_HAS_EXT) {
reg = bcmgenet_ext_readl(priv, EXT_EXT_PWR_MGMT);
reg |= (EXT_PWR_DOWN_PHY |
@@ -779,7 +778,9 @@ static void bcmgenet_power_up(struct bcmgenet_priv *priv,
}
bcmgenet_ext_writel(priv, reg, EXT_EXT_PWR_MGMT);
- bcmgenet_mii_reset(priv->dev);
+
+ if (mode == GENET_POWER_PASSIVE)
+ bcmgenet_mii_reset(priv->dev);
}
/* ioctl handle special commands that are not present in ethtool. */
@@ -2164,6 +2165,10 @@ static void bcmgenet_netif_stop(struct net_device *dev)
* disabled no new work will be scheduled.
*/
cancel_work_sync(&priv->bcmgenet_irq_work);
+
+ priv->old_pause = -1;
+ priv->old_link = -1;
+ priv->old_duplex = -1;
}
static int bcmgenet_close(struct net_device *dev)
@@ -2611,6 +2616,8 @@ static int bcmgenet_suspend(struct device *d)
bcmgenet_netif_stop(dev);
+ phy_suspend(priv->phydev);
+
netif_device_detach(dev);
/* Disable MAC receive */
@@ -2693,6 +2700,8 @@ static int bcmgenet_resume(struct device *d)
netif_device_attach(dev);
+ phy_resume(priv->phydev);
+
bcmgenet_netif_start(dev);
return 0;