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authorBruce Allan <bruce.w.allan@intel.com>2009-11-19 15:36:04 +0300
committerDavid S. Miller <davem@davemloft.net>2009-11-21 00:53:29 +0300
commit189983d469c6d98e64ddfb9f9ce76725cb082ee5 (patch)
treec855dad60ff8e36595a5059b1247b14822ebfc41
parent610c992884c80566de31d71ec361a5a7b2a0ed5e (diff)
downloadlinux-189983d469c6d98e64ddfb9f9ce76725cb082ee5.tar.xz
e1000e: remove unnecessary 82577 workaround causing link issues
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>
-rw-r--r--drivers/net/e1000e/phy.c10
1 files changed, 0 insertions, 10 deletions
diff --git a/drivers/net/e1000e/phy.c b/drivers/net/e1000e/phy.c
index 8189d00bfefe..85f955f70417 100644
--- a/drivers/net/e1000e/phy.c
+++ b/drivers/net/e1000e/phy.c
@@ -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;