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Commit 1f9e7e3d authored by Auke Kok's avatar Auke Kok Committed by Auke Kok
Browse files

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: default avatarJesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: default avatarAuke Kok <auke-jan.h.kok@intel.com>
parent cd94dd0b

drivers/net/e1000/e1000_param.c

+21 −0
Original line number Diff line number Diff line
@@ -202,6 +202,15 @@ E1000_PARAM(InterruptThrottleRate, "Interrupt Throttling Rate"); 


E1000_PARAM(SmartPowerDownEnable, "Enable PHY smart power down");



/* Enable Kumeran Lock Loss workaround

 *

 * Valid Range: 0, 1

 *

 * Default Value: 1 (enabled)

 */



E1000_PARAM(KumeranLockLoss, "Enable Kumeran lock loss workaround");



#define AUTONEG_ADV_DEFAULT  0x2F

#define AUTONEG_ADV_MASK     0x2F

#define FLOW_CONTROL_DEFAULT FLOW_CONTROL_FULL
@@ -484,6 +493,18 @@ e1000_check_options(struct e1000_adapter *adapter) 
		e1000_validate_option(&spd, &opt, adapter);

		adapter->smart_power_down = spd;

	}

	{ /* Kumeran Lock Loss Workaround */

		struct e1000_option opt = {

			.type = enable_option,

			.name = "Kumeran Lock Loss Workaround",

			.err  = "defaulting to Enabled",

			.def  = OPTION_ENABLED

		};



			int kmrn_lock_loss = KumeranLockLoss[bd];

			e1000_validate_option(&kmrn_lock_loss, &opt, adapter);

			adapter->hw.kmrn_lock_loss_workaround_disabled = !kmrn_lock_loss;

	}



	switch (adapter->hw.media_type) {

	case e1000_media_type_fiber: