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path: root/drivers/net/e1000e/phy.c
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Diffstat (limited to 'drivers/net/e1000e/phy.c')
-rw-r--r--drivers/net/e1000e/phy.c85
1 files changed, 0 insertions, 85 deletions
diff --git a/drivers/net/e1000e/phy.c b/drivers/net/e1000e/phy.c
index 55a2c0a..7f3ceb9 100644
--- a/drivers/net/e1000e/phy.c
+++ b/drivers/net/e1000e/phy.c
@@ -152,32 +152,9 @@ s32 e1000e_get_phy_id(struct e1000_hw *hw)
if (phy->id != 0 && phy->id != PHY_REVISION_MASK)
goto out;
- /*
- * If the PHY ID is still unknown, we may have an 82577
- * without link. We will try again after setting Slow MDIC
- * mode. No harm in trying again in this case since the PHY
- * ID is unknown at this point anyway.
- */
- ret_val = phy->ops.acquire(hw);
- if (ret_val)
- goto out;
- ret_val = e1000_set_mdio_slow_mode_hv(hw, true);
- if (ret_val)
- goto out;
- phy->ops.release(hw);
-
retry_count++;
}
out:
- /* Revert to MDIO fast mode, if applicable */
- if (retry_count) {
- ret_val = phy->ops.acquire(hw);
- if (ret_val)
- return ret_val;
- ret_val = e1000_set_mdio_slow_mode_hv(hw, false);
- phy->ops.release(hw);
- }
-
return ret_val;
}
@@ -2791,38 +2768,6 @@ static s32 e1000_set_d0_lplu_state(struct e1000_hw *hw, bool active)
}
/**
- * e1000_set_mdio_slow_mode_hv - Set slow MDIO access mode
- * @hw: pointer to the HW structure
- * @slow: true for slow mode, false for normal mode
- *
- * Assumes semaphore already acquired.
- **/
-s32 e1000_set_mdio_slow_mode_hv(struct e1000_hw *hw, bool slow)
-{
- s32 ret_val = 0;
- u16 data = 0;
-
- /* Set MDIO mode - page 769, register 16: 0x2580==slow, 0x2180==fast */
- hw->phy.addr = 1;
- ret_val = e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT,
- (BM_PORT_CTRL_PAGE << IGP_PAGE_SHIFT));
- if (ret_val)
- goto out;
-
- ret_val = e1000e_write_phy_reg_mdic(hw, BM_CS_CTRL1,
- (0x2180 | (slow << 10)));
- if (ret_val)
- goto out;
-
- /* dummy read when reverting to fast mode - throw away result */
- if (!slow)
- ret_val = e1000e_read_phy_reg_mdic(hw, BM_CS_CTRL1, &data);
-
-out:
- return ret_val;
-}
-
-/**
* __e1000_read_phy_reg_hv - Read HV PHY register
* @hw: pointer to the HW structure
* @offset: register offset to be read
@@ -2839,7 +2784,6 @@ static s32 __e1000_read_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 *data,
s32 ret_val;
u16 page = BM_PHY_REG_PAGE(offset);
u16 reg = BM_PHY_REG_NUM(offset);
- bool in_slow_mode = false;
if (!locked) {
ret_val = hw->phy.ops.acquire(hw);
@@ -2847,16 +2791,6 @@ static s32 __e1000_read_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 *data,
return ret_val;
}
- /* Workaround failure in MDIO access while cable is disconnected */
- if ((hw->phy.type == e1000_phy_82577) &&
- !(er32(STATUS) & E1000_STATUS_LU)) {
- ret_val = e1000_set_mdio_slow_mode_hv(hw, true);
- if (ret_val)
- goto out;
-
- in_slow_mode = true;
- }
-
/* Page 800 works differently than the rest so it has its own func */
if (page == BM_WUC_PAGE) {
ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset,
@@ -2893,10 +2827,6 @@ static s32 __e1000_read_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 *data,
ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & reg,
data);
out:
- /* Revert to MDIO fast mode, if applicable */
- if ((hw->phy.type == e1000_phy_82577) && in_slow_mode)
- ret_val |= e1000_set_mdio_slow_mode_hv(hw, false);
-
if (!locked)
hw->phy.ops.release(hw);
@@ -2948,7 +2878,6 @@ static s32 __e1000_write_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 data,
s32 ret_val;
u16 page = BM_PHY_REG_PAGE(offset);
u16 reg = BM_PHY_REG_NUM(offset);
- bool in_slow_mode = false;
if (!locked) {
ret_val = hw->phy.ops.acquire(hw);
@@ -2956,16 +2885,6 @@ static s32 __e1000_write_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 data,
return ret_val;
}
- /* Workaround failure in MDIO access while cable is disconnected */
- if ((hw->phy.type == e1000_phy_82577) &&
- !(er32(STATUS) & E1000_STATUS_LU)) {
- ret_val = e1000_set_mdio_slow_mode_hv(hw, true);
- if (ret_val)
- goto out;
-
- in_slow_mode = true;
- }
-
/* Page 800 works differently than the rest so it has its own func */
if (page == BM_WUC_PAGE) {
ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset,
@@ -3019,10 +2938,6 @@ static s32 __e1000_write_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 data,
data);
out:
- /* Revert to MDIO fast mode, if applicable */
- if ((hw->phy.type == e1000_phy_82577) && in_slow_mode)
- ret_val |= e1000_set_mdio_slow_mode_hv(hw, false);
-
if (!locked)
hw->phy.ops.release(hw);
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