POSTED_INTR_ON
return test_and_clear_bit(POSTED_INTR_ON, (unsigned long *)&pi_desc->control);
set_bit(POSTED_INTR_ON, (unsigned long *)&pi_desc->control);
clear_bit(POSTED_INTR_ON, (unsigned long *)&pi_desc->control);
return test_bit(POSTED_INTR_ON, (unsigned long *)&pi_desc->control);
return test_and_set_bit(POSTED_INTR_ON, (unsigned long *)&pi_desc->control);