HWSPINLOCK_UNUSED
tmp = radix_tree_tag_set(&hwspinlock_tree, id, HWSPINLOCK_UNUSED);
ret = radix_tree_tag_get(&hwspinlock_tree, id, HWSPINLOCK_UNUSED);
HWSPINLOCK_UNUSED);
ret = radix_tree_tag_get(&hwspinlock_tree, id, HWSPINLOCK_UNUSED);
HWSPINLOCK_UNUSED);
HWSPINLOCK_UNUSED);