diff options
author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-06-12 16:53:38 +1000 |
---|---|---|
committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-06-12 16:53:38 +1000 |
commit | bc47ab0241c7c86da4f5e5f82fbca7d45387c18d (patch) | |
tree | b9c33ae8b6de43e44cc5fcbaa3e4a15f18a5ed42 /drivers/net/forcedeth.c | |
parent | 37f9ef553bed630957e025504cdcbc76f5de49d5 (diff) | |
parent | 8ebf975608aaebd7feb33d77f07ba21a6380e086 (diff) |
Merge commit 'origin/master' into next
Manual merge of:
arch/powerpc/kernel/asm-offsets.c
Diffstat (limited to 'drivers/net/forcedeth.c')
-rw-r--r-- | drivers/net/forcedeth.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c index f9a846b1b92..9f6a68fb7b4 100644 --- a/drivers/net/forcedeth.c +++ b/drivers/net/forcedeth.c @@ -897,6 +897,12 @@ enum { }; static int phy_cross = NV_CROSSOVER_DETECTION_DISABLED; +/* + * Power down phy when interface is down (persists through reboot; + * older Linux and other OSes may not power it up again) + */ +static int phy_power_down = 0; + static inline struct fe_priv *get_nvpriv(struct net_device *dev) { return netdev_priv(dev); @@ -1485,7 +1491,10 @@ static int phy_init(struct net_device *dev) /* restart auto negotiation, power down phy */ mii_control = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ); - mii_control |= (BMCR_ANRESTART | BMCR_ANENABLE | BMCR_PDOWN); + mii_control |= (BMCR_ANRESTART | BMCR_ANENABLE); + if (phy_power_down) { + mii_control |= BMCR_PDOWN; + } if (mii_rw(dev, np->phyaddr, MII_BMCR, mii_control)) { return PHY_ERROR; } @@ -5513,7 +5522,7 @@ static int nv_close(struct net_device *dev) nv_drain_rxtx(dev); - if (np->wolenabled) { + if (np->wolenabled || !phy_power_down) { writel(NVREG_PFF_ALWAYS|NVREG_PFF_MYADDR, base + NvRegPacketFilterFlags); nv_start_rx(dev); } else { @@ -6367,6 +6376,8 @@ module_param(dma_64bit, int, 0); MODULE_PARM_DESC(dma_64bit, "High DMA is enabled by setting to 1 and disabled by setting to 0."); module_param(phy_cross, int, 0); MODULE_PARM_DESC(phy_cross, "Phy crossover detection for Realtek 8201 phy is enabled by setting to 1 and disabled by setting to 0."); +module_param(phy_power_down, int, 0); +MODULE_PARM_DESC(phy_power_down, "Power down phy and disable link when interface is down (1), or leave phy powered up (0)."); MODULE_AUTHOR("Manfred Spraul <manfred@colorfullife.com>"); MODULE_DESCRIPTION("Reverse Engineered nForce ethernet driver"); |