ATMCI_CARD_PRESENT
if (!test_bit(ATMCI_CARD_PRESENT, &slot->flags)) {
present_old = test_bit(ATMCI_CARD_PRESENT, &slot->flags);
clear_bit(ATMCI_CARD_PRESENT, &slot->flags);
set_bit(ATMCI_CARD_PRESENT, &slot->flags);
set_bit(ATMCI_CARD_PRESENT, &slot->flags);
clear_bit(ATMCI_CARD_PRESENT, &slot->flags);