Function igb_hw_control_release

dpdk/drivers/net/e1000/igb_ethdev.c:2486–2495

* igb_hw_control_release resets CTRL_EXT:DRV_LOAD bit. * For ASF and Pass Through versions of f/w this means that the * driver is no longer loaded. */

 * driver is no longer loaded.
 */
static void
igb_hw_control_release(struct e1000_hw *hw)
{
	uint32_t ctrl_ext;

	/* Let firmware taken over control of h/w */
	ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
	E1000_WRITE_REG(hw, E1000_CTRL_EXT,
			ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
}

/*
 * Bit of a misnomer, what this really means is