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Commit f1b3a853 authored by Auke Kok's avatar Auke Kok Committed by Auke Kok
Browse files

e1000: fix adapter led blinking inconsistency 



Several e1000 adapters were not blinking correctly or inconsistently. This
patch cleans this up and makes them all behave the same as far as possible.

Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: default avatarAuke Kok <auke-jan.h.kok@intel.com>
parent 7dfee0cb

drivers/net/e1000/e1000_ethtool.c

+1 −14
Original line number Diff line number Diff line
@@ -1786,21 +1786,8 @@ e1000_phys_id(struct net_device *netdev, uint32_t data) 
		mod_timer(&adapter->blink_timer, jiffies);

		msleep_interruptible(data * 1000);

		del_timer_sync(&adapter->blink_timer);

	} else if (adapter->hw.mac_type < e1000_82573) {

		E1000_WRITE_REG(&adapter->hw, LEDCTL,

			(E1000_LEDCTL_LED2_BLINK_RATE |

			 E1000_LEDCTL_LED0_BLINK | E1000_LEDCTL_LED2_BLINK |

			 (E1000_LEDCTL_MODE_LED_ON << E1000_LEDCTL_LED2_MODE_SHIFT) |

			 (E1000_LEDCTL_MODE_LINK_ACTIVITY << E1000_LEDCTL_LED0_MODE_SHIFT) |

			 (E1000_LEDCTL_MODE_LED_OFF << E1000_LEDCTL_LED1_MODE_SHIFT)));

		msleep_interruptible(data * 1000);

	} else {

		E1000_WRITE_REG(&adapter->hw, LEDCTL,

			(E1000_LEDCTL_LED2_BLINK_RATE |

			 E1000_LEDCTL_LED1_BLINK | E1000_LEDCTL_LED2_BLINK |

			 (E1000_LEDCTL_MODE_LED_ON << E1000_LEDCTL_LED2_MODE_SHIFT) |

			 (E1000_LEDCTL_MODE_LINK_ACTIVITY << E1000_LEDCTL_LED1_MODE_SHIFT) |

			 (E1000_LEDCTL_MODE_LED_OFF << E1000_LEDCTL_LED0_MODE_SHIFT)));

		e1000_blink_led_start(&adapter->hw);

		msleep_interruptible(data * 1000);

	}

drivers/net/e1000/e1000_hw.c

+38 −0
Original line number Diff line number Diff line
@@ -5536,6 +5536,44 @@ e1000_setup_led(struct e1000_hw *hw) 
    return E1000_SUCCESS;

}



/******************************************************************************

 * Used on 82571 and later Si that has LED blink bits.

 * Callers must use their own timer and should have already called

 * e1000_id_led_init()

 * Call e1000_cleanup led() to stop blinking

 *

 * hw - Struct containing variables accessed by shared code

 *****************************************************************************/

int32_t

e1000_blink_led_start(struct e1000_hw *hw)

{

    int16_t  i;

    uint32_t ledctl_blink = 0;



    DEBUGFUNC("e1000_id_led_blink_on");



    if (hw->mac_type < e1000_82571) {

        /* Nothing to do */

        return E1000_SUCCESS;

    }

    if (hw->media_type == e1000_media_type_fiber) {

        /* always blink LED0 for PCI-E fiber */

        ledctl_blink = E1000_LEDCTL_LED0_BLINK |

                     (E1000_LEDCTL_MODE_LED_ON << E1000_LEDCTL_LED0_MODE_SHIFT);

    } else {

        /* set the blink bit for each LED that's "on" (0x0E) in ledctl_mode2 */

        ledctl_blink = hw->ledctl_mode2;

        for (i=0; i < 4; i++)

            if (((hw->ledctl_mode2 >> (i * 8)) & 0xFF) ==

                E1000_LEDCTL_MODE_LED_ON)

                ledctl_blink |= (E1000_LEDCTL_LED0_BLINK << (i * 8));

    }



    E1000_WRITE_REG(hw, LEDCTL, ledctl_blink);



    return E1000_SUCCESS;

}



/******************************************************************************

 * Restores the saved state of the SW controlable LED.

 *

drivers/net/e1000/e1000_hw.h

+1 −0
Original line number Diff line number Diff line
@@ -401,6 +401,7 @@ int32_t e1000_setup_led(struct e1000_hw *hw); 
int32_t e1000_cleanup_led(struct e1000_hw *hw);

int32_t e1000_led_on(struct e1000_hw *hw);

int32_t e1000_led_off(struct e1000_hw *hw);

int32_t e1000_blink_led_start(struct e1000_hw *hw);



/* Adaptive IFS Functions */