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-rw-r--r--drivers/net/e1000e/82571.c26
-rw-r--r--drivers/net/e1000e/e1000.h2
-rw-r--r--drivers/net/e1000e/es2lan.c21
-rw-r--r--drivers/net/e1000e/hw.h2
-rw-r--r--drivers/net/e1000e/ich8lan.c23
-rw-r--r--drivers/net/e1000e/netdev.c50
-rw-r--r--drivers/net/e1000e/phy.c37
7 files changed, 122 insertions, 39 deletions
diff --git a/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c
index 8ea3ed7e536..26ea5d57a35 100644
--- a/drivers/net/e1000e/82571.c
+++ b/drivers/net/e1000e/82571.c
@@ -69,6 +69,7 @@ static void e1000_clear_vfta_82571(struct e1000_hw *hw);
static bool e1000_check_mng_mode_82574(struct e1000_hw *hw);
static s32 e1000_led_on_82574(struct e1000_hw *hw);
static void e1000_put_hw_semaphore_82571(struct e1000_hw *hw);
+static void e1000_power_down_phy_copper_82571(struct e1000_hw *hw);
/**
* e1000_init_phy_params_82571 - Init PHY func ptrs.
@@ -88,6 +89,9 @@ static s32 e1000_init_phy_params_82571(struct e1000_hw *hw)
phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT;
phy->reset_delay_us = 100;
+ phy->ops.power_up = e1000_power_up_phy_copper;
+ phy->ops.power_down = e1000_power_down_phy_copper_82571;
+
switch (hw->mac.type) {
case e1000_82571:
case e1000_82572:
@@ -1601,6 +1605,28 @@ static s32 e1000_fix_nvm_checksum_82571(struct e1000_hw *hw)
}
/**
+ * e1000_power_down_phy_copper_82571 - Remove link during PHY power down
+ * @hw: pointer to the HW structure
+ *
+ * In the case of a PHY power down to save power, or to turn off link during a
+ * driver unload, or wake on lan is not enabled, remove the link.
+ **/
+static void e1000_power_down_phy_copper_82571(struct e1000_hw *hw)
+{
+ struct e1000_phy_info *phy = &hw->phy;
+ struct e1000_mac_info *mac = &hw->mac;
+
+ if (!(phy->ops.check_reset_block))
+ return;
+
+ /* If the management interface is not enabled, then power down */
+ if (!(mac->ops.check_mng_mode(hw) || phy->ops.check_reset_block(hw)))
+ e1000_power_down_phy_copper(hw);
+
+ return;
+}
+
+/**
* e1000_clear_hw_cntrs_82571 - Clear device specific hardware counters
* @hw: pointer to the HW structure
*
diff --git a/drivers/net/e1000e/e1000.h b/drivers/net/e1000e/e1000.h
index 4c08752b824..c4e861fb386 100644
--- a/drivers/net/e1000e/e1000.h
+++ b/drivers/net/e1000e/e1000.h
@@ -568,6 +568,8 @@ extern s32 e1000e_read_kmrn_reg_locked(struct e1000_hw *hw, u32 offset,
extern s32 e1000e_phy_has_link_generic(struct e1000_hw *hw, u32 iterations,
u32 usec_interval, bool *success);
extern s32 e1000e_phy_reset_dsp(struct e1000_hw *hw);
+extern void e1000_power_up_phy_copper(struct e1000_hw *hw);
+extern void e1000_power_down_phy_copper(struct e1000_hw *hw);
extern s32 e1000e_read_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 *data);
extern s32 e1000e_write_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 data);
extern s32 e1000e_check_downshift(struct e1000_hw *hw);
diff --git a/drivers/net/e1000e/es2lan.c b/drivers/net/e1000e/es2lan.c
index 3f435c16608..c7bc657b5da 100644
--- a/drivers/net/e1000e/es2lan.c
+++ b/drivers/net/e1000e/es2lan.c
@@ -114,6 +114,7 @@ static s32 e1000_read_kmrn_reg_80003es2lan(struct e1000_hw *hw, u32 offset,
u16 *data);
static s32 e1000_write_kmrn_reg_80003es2lan(struct e1000_hw *hw, u32 offset,
u16 data);
+static void e1000_power_down_phy_copper_80003es2lan(struct e1000_hw *hw);
/**
* e1000_init_phy_params_80003es2lan - Init ESB2 PHY func ptrs.
@@ -127,6 +128,9 @@ static s32 e1000_init_phy_params_80003es2lan(struct e1000_hw *hw)
if (hw->phy.media_type != e1000_media_type_copper) {
phy->type = e1000_phy_none;
return 0;
+ } else {
+ phy->ops.power_up = e1000_power_up_phy_copper;
+ phy->ops.power_down = e1000_power_down_phy_copper_80003es2lan;
}
phy->addr = 1;
@@ -1303,6 +1307,23 @@ static s32 e1000_write_kmrn_reg_80003es2lan(struct e1000_hw *hw, u32 offset,
}
/**
+ * e1000_power_down_phy_copper_80003es2lan - Remove link during PHY power down
+ * @hw: pointer to the HW structure
+ *
+ * In the case of a PHY power down to save power, or to turn off link during a
+ * driver unload, or wake on lan is not enabled, remove the link.
+ **/
+static void e1000_power_down_phy_copper_80003es2lan(struct e1000_hw *hw)
+{
+ /* If the management interface is not enabled, then power down */
+ if (!(hw->mac.ops.check_mng_mode(hw) ||
+ hw->phy.ops.check_reset_block(hw)))
+ e1000_power_down_phy_copper(hw);
+
+ return;
+}
+
+/**
* e1000_clear_hw_cntrs_80003es2lan - Clear device specific hardware counters
* @hw: pointer to the HW structure
*
diff --git a/drivers/net/e1000e/hw.h b/drivers/net/e1000e/hw.h
index 6c3d55fc775..e0addf3eea8 100644
--- a/drivers/net/e1000e/hw.h
+++ b/drivers/net/e1000e/hw.h
@@ -774,6 +774,8 @@ struct e1000_phy_operations {
s32 (*set_d3_lplu_state)(struct e1000_hw *, bool);
s32 (*write_reg)(struct e1000_hw *, u32, u16);
s32 (*write_reg_locked)(struct e1000_hw *, u32, u16);
+ void (*power_up)(struct e1000_hw *);
+ void (*power_down)(struct e1000_hw *);
};
/* Function pointers for the NVM. */
diff --git a/drivers/net/e1000e/ich8lan.c b/drivers/net/e1000e/ich8lan.c
index 7530fc5d81c..9c389559892 100644
--- a/drivers/net/e1000e/ich8lan.c
+++ b/drivers/net/e1000e/ich8lan.c
@@ -217,6 +217,7 @@ static s32 e1000_cleanup_led_pchlan(struct e1000_hw *hw);
static s32 e1000_led_on_pchlan(struct e1000_hw *hw);
static s32 e1000_led_off_pchlan(struct e1000_hw *hw);
static s32 e1000_set_lplu_state_pchlan(struct e1000_hw *hw, bool active);
+static void e1000_power_down_phy_copper_ich8lan(struct e1000_hw *hw);
static void e1000_lan_init_done_ich8lan(struct e1000_hw *hw);
static s32 e1000_k1_gig_workaround_hv(struct e1000_hw *hw, bool link);
@@ -266,6 +267,8 @@ static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw)
phy->ops.set_d3_lplu_state = e1000_set_lplu_state_pchlan;
phy->ops.write_reg = e1000_write_phy_reg_hv;
phy->ops.write_reg_locked = e1000_write_phy_reg_hv_locked;
+ phy->ops.power_up = e1000_power_up_phy_copper;
+ phy->ops.power_down = e1000_power_down_phy_copper_ich8lan;
phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT;
phy->id = e1000_phy_unknown;
@@ -299,6 +302,9 @@ static s32 e1000_init_phy_params_ich8lan(struct e1000_hw *hw)
phy->addr = 1;
phy->reset_delay_us = 100;
+ phy->ops.power_up = e1000_power_up_phy_copper;
+ phy->ops.power_down = e1000_power_down_phy_copper_ich8lan;
+
/*
* We may need to do this twice - once for IGP and if that fails,
* we'll set BM func pointers and try again
@@ -3392,6 +3398,23 @@ static s32 e1000_get_cfg_done_ich8lan(struct e1000_hw *hw)
}
/**
+ * e1000_power_down_phy_copper_ich8lan - Remove link during PHY power down
+ * @hw: pointer to the HW structure
+ *
+ * In the case of a PHY power down to save power, or to turn off link during a
+ * driver unload, or wake on lan is not enabled, remove the link.
+ **/
+static void e1000_power_down_phy_copper_ich8lan(struct e1000_hw *hw)
+{
+ /* If the management interface is not enabled, then power down */
+ if (!(hw->mac.ops.check_mng_mode(hw) ||
+ hw->phy.ops.check_reset_block(hw)))
+ e1000_power_down_phy_copper(hw);
+
+ return;
+}
+
+/**
* e1000_clear_hw_cntrs_ich8lan - Clear statistical counters
* @hw: pointer to the HW structure
*
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 2381cb76f17..ab4db5266f1 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -2641,18 +2641,8 @@ static void e1000_configure(struct e1000_adapter *adapter)
**/
void e1000e_power_up_phy(struct e1000_adapter *adapter)
{
- u16 mii_reg = 0;
-
- /* Just clear the power down bit to wake the phy back up */
- if (adapter->hw.phy.media_type == e1000_media_type_copper) {
- /*
- * According to the manual, the phy will retain its
- * settings across a power-down/up cycle
- */
- e1e_rphy(&adapter->hw, PHY_CONTROL, &mii_reg);
- mii_reg &= ~MII_CR_POWER_DOWN;
- e1e_wphy(&adapter->hw, PHY_CONTROL, mii_reg);
- }
+ if (adapter->hw.phy.ops.power_up)
+ adapter->hw.phy.ops.power_up(&adapter->hw);
adapter->hw.mac.ops.setup_link(&adapter->hw);
}
@@ -2660,35 +2650,17 @@ void e1000e_power_up_phy(struct e1000_adapter *adapter)
/**
* e1000_power_down_phy - Power down the PHY
*
- * Power down the PHY so no link is implied when interface is down
- * The PHY cannot be powered down is management or WoL is active
+ * Power down the PHY so no link is implied when interface is down.
+ * The PHY cannot be powered down if management or WoL is active.
*/
static void e1000_power_down_phy(struct e1000_adapter *adapter)
{
- struct e1000_hw *hw = &adapter->hw;
- u16 mii_reg;
-
/* WoL is enabled */
if (adapter->wol)
return;
- /* non-copper PHY? */
- if (adapter->hw.phy.media_type != e1000_media_type_copper)
- return;
-
- /* reset is blocked because of a SoL/IDER session */
- if (e1000e_check_mng_mode(hw) || e1000_check_reset_block(hw))
- return;
-
- /* manageability (AMT) is enabled */
- if (er32(MANC) & E1000_MANC_SMBUS_EN)
- return;
-
- /* power down the PHY */
- e1e_rphy(hw, PHY_CONTROL, &mii_reg);
- mii_reg |= MII_CR_POWER_DOWN;
- e1e_wphy(hw, PHY_CONTROL, mii_reg);
- mdelay(1);
+ if (adapter->hw.phy.ops.power_down)
+ adapter->hw.phy.ops.power_down(&adapter->hw);
}
/**
@@ -5294,17 +5266,17 @@ static void __devexit e1000_remove(struct pci_dev *pdev)
cancel_work_sync(&adapter->print_hang_task);
flush_scheduled_work();
+ if (!(netdev->flags & IFF_UP))
+ e1000_power_down_phy(adapter);
+
+ unregister_netdev(netdev);
+
/*
* Release control of h/w to f/w. If f/w is AMT enabled, this
* would have already happened in close and is redundant.
*/
e1000_release_hw_control(adapter);
- unregister_netdev(netdev);
-
- if (!e1000_check_reset_block(&adapter->hw))
- e1000_phy_hw_reset(&adapter->hw);
-
e1000e_reset_interrupt_capability(adapter);
kfree(adapter->tx_ring);
kfree(adapter->rx_ring);
diff --git a/drivers/net/e1000e/phy.c b/drivers/net/e1000e/phy.c
index 9ce499734dc..140b23b320f 100644
--- a/drivers/net/e1000e/phy.c
+++ b/drivers/net/e1000e/phy.c
@@ -2534,6 +2534,43 @@ out:
}
/**
+ * e1000_power_up_phy_copper - Restore copper link in case of PHY power down
+ * @hw: pointer to the HW structure
+ *
+ * In the case of a PHY power down to save power, or to turn off link during a
+ * driver unload, or wake on lan is not enabled, restore the link to previous
+ * settings.
+ **/
+void e1000_power_up_phy_copper(struct e1000_hw *hw)
+{
+ u16 mii_reg = 0;
+
+ /* The PHY will retain its settings across a power down/up cycle */
+ e1e_rphy(hw, PHY_CONTROL, &mii_reg);
+ mii_reg &= ~MII_CR_POWER_DOWN;
+ e1e_wphy(hw, PHY_CONTROL, mii_reg);
+}
+
+/**
+ * e1000_power_down_phy_copper - Restore copper link in case of PHY power down
+ * @hw: pointer to the HW structure
+ *
+ * In the case of a PHY power down to save power, or to turn off link during a
+ * driver unload, or wake on lan is not enabled, restore the link to previous
+ * settings.
+ **/
+void e1000_power_down_phy_copper(struct e1000_hw *hw)
+{
+ u16 mii_reg = 0;
+
+ /* The PHY will retain its settings across a power down/up cycle */
+ e1e_rphy(hw, PHY_CONTROL, &mii_reg);
+ mii_reg |= MII_CR_POWER_DOWN;
+ e1e_wphy(hw, PHY_CONTROL, mii_reg);
+ msleep(1);
+}
+
+/**
* e1000e_commit_phy - Soft PHY reset
* @hw: pointer to the HW structure
*
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-21 10:23:02 +0000