diff options
| author |   Florian Fainelli <f.fainelli@gmail.com> | 2015-03-23 15:09:57 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2015-03-23 22:10:43 -0400 |
| commit | a6f31f5e3b0498fc0034e07c172925316064201c (patch) | |
| tree | eba7a9996f5d7f2b23d69f59e1a55a4ffa0cdb43 /drivers | |
| parent | net: bcmgenet: power up and down integrated GPHY when unused (diff) | |
| download | linux-dev-a6f31f5e3b0498fc0034e07c172925316064201c.tar.xz linux-dev-a6f31f5e3b0498fc0034e07c172925316064201c.zip | |
net: bcmgenet: power down and up GPHY during suspend/resume
In case the interface is not used, power down the integrated GPHY during
suspend. Similarly to bcmgenet_open(), bcmgenet_resume() powers on the GPHY
prior to any UniMAC activity.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/broadcom/genet/bcmgenet.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index c6b15c3cf023..c38d5429e27a 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -3107,6 +3107,8 @@ static int bcmgenet_suspend(struct device *d) if (device_may_wakeup(d) && priv->wolopts) { ret = bcmgenet_power_down(priv, GENET_POWER_WOL_MAGIC); clk_prepare_enable(priv->clk_wol); + } else if (phy_is_internal(priv->phydev)) { + ret = bcmgenet_power_down(priv, GENET_POWER_PASSIVE); } /* Turn off the clocks */ @@ -3131,6 +3133,12 @@ static int bcmgenet_resume(struct device *d) if (ret) return ret; + /* If this is an internal GPHY, power it back on now, before UniMAC is + * brought out of reset as absolutely no UniMAC activity is allowed + */ + if (phy_is_internal(priv->phydev)) + bcmgenet_power_up(priv, GENET_POWER_PASSIVE); + bcmgenet_umac_reset(priv); ret = init_umac(priv); |