NIU_FLAGS_HOTPLUG_PHY_PRESENT
(np->flags & NIU_FLAGS_HOTPLUG_PHY_PRESENT) == 0)
phy_present_prev = (np->flags & NIU_FLAGS_HOTPLUG_PHY_PRESENT) ?
np->flags |= NIU_FLAGS_HOTPLUG_PHY_PRESENT;
np->flags &= ~NIU_FLAGS_HOTPLUG_PHY_PRESENT;
np->flags &= ~NIU_FLAGS_HOTPLUG_PHY_PRESENT;
if (np->flags & NIU_FLAGS_HOTPLUG_PHY_PRESENT) {
np->flags &= ~NIU_FLAGS_HOTPLUG_PHY_PRESENT;
np->flags |= NIU_FLAGS_HOTPLUG_PHY_PRESENT;