diff options
Diffstat (limited to 'drivers/net/e1000e/phy.c')
| -rw-r--r-- | drivers/net/e1000e/phy.c | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/drivers/net/e1000e/phy.c b/drivers/net/e1000e/phy.c index 55a2c0acfee7..7f3ceb9dad6a 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); |