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net/ixgbe/base: support busy SGMII register reads

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Read and store NW_MNG_IF_SEL register because register fields are
used to determine SGMII link for busy SGMII register reads.

Signed-off-by: Wei Dai <wei.dai@intel.com>
This commit is contained in:
Wei Dai 2016-12-21 17:48:01 +08:00 committed by Ferruh Yigit
parent fa4ccb68e0
commit 8ccdd7bf94
1 changed files with 5 additions and 1 deletions
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6
drivers/net/ixgbe/base/ixgbe_x550.c
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@ -2444,6 +2444,9 @@ s32 ixgbe_init_phy_ops_X550em(struct ixgbe_hw *hw)
DEBUGFUNC("ixgbe_init_phy_ops_X550em");
hw->mac.ops.set_lan_id(hw);
ixgbe_read_mng_if_sel_x550em(hw);
if (hw->mac.ops.get_media_type(hw) == ixgbe_media_type_fiber) {
phy->phy_semaphore_mask = IXGBE_GSSR_SHARED_I2C_SM;
ixgbe_setup_mux_ctl(hw);
@ -2483,7 +2486,8 @@ s32 ixgbe_init_phy_ops_X550em(struct ixgbe_hw *hw)
/* Identify the PHY or SFP module */
ret_val = phy->ops.identify(hw);
if (ret_val == IXGBE_ERR_SFP_NOT_SUPPORTED)
if (ret_val == IXGBE_ERR_SFP_NOT_SUPPORTED ||
ret_val == IXGBE_ERR_PHY_ADDR_INVALID)
return ret_val;
/* Setup function pointers based on detected hardware */