451 struct cmb_area {  struct
458 static struct cmb_area cmb_area = {  argument
459 	.lock = __SPIN_LOCK_UNLOCKED(cmb_area.lock),
460 	.list = LIST_HEAD_INIT(cmb_area.list),
476 module_param_named(maxchannels, cmb_area.num_channels, uint, 0444);
529 	cmb = cmb_area.mem;  in alloc_cmb_single()
530 	list_for_each_entry(node, &cmb_area.list, cmb_list) {  in alloc_cmb_single()
537 	if (cmb - cmb_area.mem >= cmb_area.num_channels) {  in alloc_cmb_single()
570 	spin_lock(&cmb_area.lock);  in alloc_cmb()
572 	if (!cmb_area.mem) {  in alloc_cmb()
574 		size = sizeof(struct cmb) * cmb_area.num_channels;  in alloc_cmb()
575 		WARN_ON(!list_empty(&cmb_area.list));  in alloc_cmb()
577 		spin_unlock(&cmb_area.lock);  in alloc_cmb()
580 		spin_lock(&cmb_area.lock);  in alloc_cmb()
582 		if (cmb_area.mem) {  in alloc_cmb()
592 			cmb_area.mem = mem;  in alloc_cmb()
593 			cmf_activate(cmb_area.mem, CMF_ON);  in alloc_cmb()
600 	spin_unlock(&cmb_area.lock);  in alloc_cmb()
613 	spin_lock(&cmb_area.lock);  in free_cmb()
624 	if (list_empty(&cmb_area.list)) {  in free_cmb()
626 		size = sizeof(struct cmb) * cmb_area.num_channels;  in free_cmb()
628 		free_pages((unsigned long)cmb_area.mem, get_order(size));  in free_cmb()
629 		cmb_area.mem = NULL;  in free_cmb()
632 	spin_unlock(&cmb_area.lock);  in free_cmb()
647 	offset = mme ? (struct cmb *)cmb_data->hw_block - cmb_area.mem : 0;  in set_cmb()
838 	spin_lock(&cmb_area.lock);  in alloc_cmbe()
846 	if (list_empty(&cmb_area.list))  in alloc_cmbe()
848 	list_add_tail(&cdev->private->cmb_list, &cmb_area.list);  in alloc_cmbe()
851 	spin_unlock(&cmb_area.lock);  in alloc_cmbe()
856 	spin_unlock(&cmb_area.lock);  in alloc_cmbe()
871 	spin_lock(&cmb_area.lock);  in free_cmbe()
883 	if (list_empty(&cmb_area.list))  in free_cmbe()
886 	spin_unlock(&cmb_area.lock);  in free_cmbe()
1336 	spin_lock(&cmb_area.lock);  in cmf_reactivate()
1337 	if (!list_empty(&cmb_area.list))  in cmf_reactivate()
1338 		cmf_activate(cmb_area.mem, CMF_ON);  in cmf_reactivate()
1339 	spin_unlock(&cmb_area.lock);  in cmf_reactivate()