src/dpdk/drivers/net/igc/base/igc_api.c
void igc_power_down_phy(struct igc_hw *hw)
{
	if (hw->phy.ops.power_down)
		hw->phy.ops.power_down(hw);
}
/**
 * igc_power_down_phy - Power down PHY
 * @hw: pointer to the HW structure
 *
 * The phy may be powered down to save power, to turn off link when the
 * driver is unloaded, or wake on lan is not enabled (among others).
 **/
Power down PHY
@hw: pointer to the HW structure

The phy may be powered down to save power, to turn off link when the
driver is unloaded, or wake on lan is not enabled (among others).
Power down PHY @hw : pointer to the HW structure The phy may be powered down to save power to turn off link when the driver is unloaded or wake on lan is not enabled ( among others ) .
void igc_power_down_phy(struct igc_hw *hw)
{
	if (hw->phy.ops.power_down)
		hw->phy.ops.power_down(hw);
}
void igc_power_down_phy ( struct igc_hw * hw ) { if ( hw -> phy . ops . power_down ) hw -> phy . ops . power_down ( hw ) ; }
igc_power_down_phy - Power down PHY
 @hw: pointer to the HW structure
igc_power_down_phy - Power down PHY @hw : pointer to the HW structure