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e1000e: remove unnecessary 82577 workaround causing link issues

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A workaround for pre-release versions of 82577 is causing link issues on
some switches.  The workaround is no longer needed on production parts so
remove it.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Bruce Allan 2009-11-19 12:36:04 +00:00 committed by David S. Miller
parent 610c992884
commit 189983d469
1 changed files with 0 additions and 10 deletions
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10
drivers/net/e1000e/phy.c
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@ -71,7 +71,6 @@ static const u16 e1000_igp_2_cable_length_table[] =
#define I82577_CFG_ASSERT_CRS_ON_TX (1 << 15)
#define I82577_CFG_ENABLE_DOWNSHIFT (3 << 10) /* auto downshift 100/10 */
#define I82577_CTRL_REG 23
#define I82577_CTRL_DOWNSHIFT_MASK (7 << 10)
/* 82577 specific PHY registers */
#define I82577_PHY_CTRL_2 18
@ -660,15 +659,6 @@ s32 e1000_copper_link_setup_82577(struct e1000_hw *hw)
phy_data |= I82577_CFG_ENABLE_DOWNSHIFT;
ret_val = phy->ops.write_phy_reg(hw, I82577_CFG_REG, phy_data);
if (ret_val)
goto out;
/* Set number of link attempts before downshift */
ret_val = phy->ops.read_phy_reg(hw, I82577_CTRL_REG, &phy_data);
if (ret_val)
goto out;
phy_data &= ~I82577_CTRL_DOWNSHIFT_MASK;
ret_val = phy->ops.write_phy_reg(hw, I82577_CTRL_REG, phy_data);
out:
return ret_val;