e1000: allow user to disable ich8 lock loss workaround
The workaround for the ich8 lock loss problem is only needed for a very small amount of systems. This adds an option for the user to disable the workaround. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
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@ -202,6 +202,15 @@ E1000_PARAM(InterruptThrottleRate, "Interrupt Throttling Rate");
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E1000_PARAM(SmartPowerDownEnable, "Enable PHY smart power down");
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/* Enable Kumeran Lock Loss workaround
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*
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* Valid Range: 0, 1
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*
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* Default Value: 1 (enabled)
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*/
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E1000_PARAM(KumeranLockLoss, "Enable Kumeran lock loss workaround");
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#define AUTONEG_ADV_DEFAULT 0x2F
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#define AUTONEG_ADV_MASK 0x2F
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#define FLOW_CONTROL_DEFAULT FLOW_CONTROL_FULL
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@ -484,6 +493,18 @@ e1000_check_options(struct e1000_adapter *adapter)
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e1000_validate_option(&spd, &opt, adapter);
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adapter->smart_power_down = spd;
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}
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{ /* Kumeran Lock Loss Workaround */
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struct e1000_option opt = {
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.type = enable_option,
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.name = "Kumeran Lock Loss Workaround",
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.err = "defaulting to Enabled",
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.def = OPTION_ENABLED
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};
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int kmrn_lock_loss = KumeranLockLoss[bd];
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e1000_validate_option(&kmrn_lock_loss, &opt, adapter);
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adapter->hw.kmrn_lock_loss_workaround_disabled = !kmrn_lock_loss;
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}
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switch (adapter->hw.media_type) {
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case e1000_media_type_fiber:
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