ATN_NUM
if (test_bit(ATN_NUM, &board->status))
set_bit(ATN_NUM, &board->status);
clear_bit(ATN_NUM, &board->status);
clear_bit(ATN_NUM, &board->status);
set_bit(ATN_NUM, &board->status);
clear_bit(ATN_NUM, &board->status);
set_bit(ATN_NUM, &board->status);
if (test_bit(ATN_NUM, &board->status))
if (test_bit(ATN_NUM, &board->status))
(wake_on_atn && test_bit(ATN_NUM, &board->status)) ||
set_bit(ATN_NUM, &board->status);
clear_bit(ATN_NUM, &board->status);
ATN = (1 << ATN_NUM), /* Attention is asserted */