/**
* igb_read_phy_reg_82580 - Read 82580 MDI control register
* @hw: pointer to the HW structure
* @offset: register offset to be read
* @data: pointer to the read data
*
* Reads the MDI control register in the PHY at offset and stores the
* information read to data.
**/
static s32 igb_read_phy_reg_82580(struct e1000_hw *hw, u32 offset, u16 *data)
{
u32 mdicnfg = 0;
s32 ret_val;
ret_val = hw->phy.ops.acquire(hw);
if (ret_val)
goto out;
/*
* We config the phy address in MDICNFG register now. Same bits
* as before. The values in MDIC can be written but will be
* ignored. This allows us to call the old function after
* configuring the PHY address in the new register
*/
mdicnfg = (hw->phy.addr << E1000_MDIC_PHY_SHIFT);
wr32(E1000_MDICNFG, mdicnfg);
ret_val = igb_read_phy_reg_mdic(hw, offset, data);
hw->phy.ops.release(hw);
out:
return ret_val;
}
static s32 igb_read_phy_reg_82580(struct e1000_hw *hw, u32 offset, u16 *data)
{
s32 ret_val;
ret_val = hw->phy.ops.acquire(hw);
if (ret_val)
goto out;
ret_val = igb_read_phy_reg_mdic(hw, offset, data);
hw->phy.ops.release(hw);
out:
return ret_val;
}
