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| author | Auke Kok <auke-jan.h.kok@intel.com> | 2006-06-27 18:06:45 +0200 |
|---|---|---|
| committer | Auke Kok <juke-jan.h.kok@intel.com> | 2006-06-27 18:06:45 +0200 |
| commit | 9a53a2029885e0088e9149679215b95d04deb57b (patch) | |
| tree | e81f69cb79cc7f43332184b51c1213a14842dad9 /drivers/net/e1000/e1000_param.c | |
| parent | e1000: small performance tweak by removing double code (diff) | |
| download | linux-9a53a2029885e0088e9149679215b95d04deb57b.tar.xz linux-9a53a2029885e0088e9149679215b95d04deb57b.zip | |
e1000: add smart power down code
Smart Power Down is a power saving feature in newer e1000 hardware. We
disable it because it causes time to link to be long, but make it a
user choice.
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Diffstat (limited to 'drivers/net/e1000/e1000_param.c')
| -rw-r--r-- | drivers/net/e1000/e1000_param.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/net/e1000/e1000_param.c b/drivers/net/e1000/e1000_param.c index e55f8969a0fb..a8d9295b0779 100644 --- a/drivers/net/e1000/e1000_param.c +++ b/drivers/net/e1000/e1000_param.c @@ -183,6 +183,15 @@ E1000_PARAM(RxAbsIntDelay, "Receive Absolute Interrupt Delay"); E1000_PARAM(InterruptThrottleRate, "Interrupt Throttling Rate"); +/* Enable Smart Power Down of the PHY + * + * Valid Range: 0, 1 + * + * Default Value: 0 (disabled) + */ + +E1000_PARAM(SmartPowerDownEnable, "Enable PHY smart power down"); + #define AUTONEG_ADV_DEFAULT 0x2F #define AUTONEG_ADV_MASK 0x2F #define FLOW_CONTROL_DEFAULT FLOW_CONTROL_FULL @@ -494,6 +503,22 @@ e1000_check_options(struct e1000_adapter *adapter) adapter->itr = opt.def; } } + { /* Smart Power Down */ + struct e1000_option opt = { + .type = enable_option, + .name = "PHY Smart Power Down", + .err = "defaulting to Disabled", + .def = OPTION_DISABLED + }; + + if (num_SmartPowerDownEnable > bd) { + int spd = SmartPowerDownEnable[bd]; + e1000_validate_option(&spd, &opt, adapter); + adapter->smart_power_down = spd; + } else { + adapter->smart_power_down = opt.def; + } + } switch (adapter->hw.media_type) { case e1000_media_type_fiber: |