443 struct cmb_area {  struct
450 static struct cmb_area cmb_area = {  argument
451 	.lock = __SPIN_LOCK_UNLOCKED(cmb_area.lock),
452 	.list = LIST_HEAD_INIT(cmb_area.list),
468 module_param_named(maxchannels, cmb_area.num_channels, uint, 0444);
521 	cmb = cmb_area.mem;  in alloc_cmb_single()
522 	list_for_each_entry(node, &cmb_area.list, cmb_list) {  in alloc_cmb_single()
529 	if (cmb - cmb_area.mem >= cmb_area.num_channels) {  in alloc_cmb_single()
562 	spin_lock(&cmb_area.lock);  in alloc_cmb()
564 	if (!cmb_area.mem) {  in alloc_cmb()
566 		size = sizeof(struct cmb) * cmb_area.num_channels;  in alloc_cmb()
567 		WARN_ON(!list_empty(&cmb_area.list));  in alloc_cmb()
569 		spin_unlock(&cmb_area.lock);  in alloc_cmb()
572 		spin_lock(&cmb_area.lock);  in alloc_cmb()
574 		if (cmb_area.mem) {  in alloc_cmb()
584 			cmb_area.mem = mem;  in alloc_cmb()
585 			cmf_activate(cmb_area.mem, 1);  in alloc_cmb()
592 	spin_unlock(&cmb_area.lock);  in alloc_cmb()
605 	spin_lock(&cmb_area.lock);  in free_cmb()
622 	if (list_empty(&cmb_area.list)) {  in free_cmb()
624 		size = sizeof(struct cmb) * cmb_area.num_channels;  in free_cmb()
626 		free_pages((unsigned long)cmb_area.mem, get_order(size));  in free_cmb()
627 		cmb_area.mem = NULL;  in free_cmb()
631 	spin_unlock(&cmb_area.lock);  in free_cmb()
646 	offset = mme ? (struct cmb *)cmb_data->hw_block - cmb_area.mem : 0;  in set_cmb()
853 	spin_lock(&cmb_area.lock);  in alloc_cmbe()
854 	if (list_empty(&cmb_area.list))  in alloc_cmbe()
856 	list_add_tail(&cdev->private->cmb_list, &cmb_area.list);  in alloc_cmbe()
857 	spin_unlock(&cmb_area.lock);  in alloc_cmbe()
881 	spin_lock(&cmb_area.lock);  in free_cmbe()
883 	if (list_empty(&cmb_area.list))  in free_cmbe()
885 	spin_unlock(&cmb_area.lock);  in free_cmbe()