diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/e1000e/ich8lan.c | 16 | ||||
| -rw-r--r-- | drivers/net/e1000e/phy.c | 14 |
2 files changed, 25 insertions, 5 deletions
diff --git a/drivers/net/e1000e/ich8lan.c b/drivers/net/e1000e/ich8lan.c index e3374d9a2472..94754f208f36 100644 --- a/drivers/net/e1000e/ich8lan.c +++ b/drivers/net/e1000e/ich8lan.c @@ -338,12 +338,17 @@ static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw) } phy->id = e1000_phy_unknown; - ret_val = e1000e_get_phy_id(hw); - if (ret_val) - goto out; - if ((phy->id == 0) || (phy->id == PHY_REVISION_MASK)) { + switch (hw->mac.type) { + default: + ret_val = e1000e_get_phy_id(hw); + if (ret_val) + goto out; + if ((phy->id != 0) && (phy->id != PHY_REVISION_MASK)) + break; + /* fall-through */ + case e1000_pch2lan: /* - * In case the PHY needs to be in mdio slow mode (eg. 82577), + * In case the PHY needs to be in mdio slow mode, * set slow mode and try to get the PHY id again. */ ret_val = e1000_set_mdio_slow_mode_hv(hw); @@ -352,6 +357,7 @@ static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw) ret_val = e1000e_get_phy_id(hw); if (ret_val) goto out; + break; } phy->type = e1000e_get_phy_type_from_id(phy->id); diff --git a/drivers/net/e1000e/phy.c b/drivers/net/e1000e/phy.c index 3d3dc0c82355..5ce87a670ae9 100644 --- a/drivers/net/e1000e/phy.c +++ b/drivers/net/e1000e/phy.c @@ -226,6 +226,13 @@ s32 e1000e_read_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 *data) } *data = (u16) mdic; + /* + * Allow some time after each MDIC transaction to avoid + * reading duplicate data in the next MDIC transaction. + */ + if (hw->mac.type == e1000_pch2lan) + udelay(100); + return 0; } @@ -279,6 +286,13 @@ s32 e1000e_write_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 data) return -E1000_ERR_PHY; } + /* + * Allow some time after each MDIC transaction to avoid + * reading duplicate data in the next MDIC transaction. + */ + if (hw->mac.type == e1000_pch2lan) + udelay(100); + return 0; } |