448 struct cmb_area {  struct
455 static struct cmb_area cmb_area = {  argument
456 	.lock = __SPIN_LOCK_UNLOCKED(cmb_area.lock),
457 	.list = LIST_HEAD_INIT(cmb_area.list),
473 module_param_named(maxchannels, cmb_area.num_channels, uint, 0444);
526 	cmb = cmb_area.mem;  in alloc_cmb_single()
527 	list_for_each_entry(node, &cmb_area.list, cmb_list) {  in alloc_cmb_single()
534 	if (cmb - cmb_area.mem >= cmb_area.num_channels) {  in alloc_cmb_single()
567 	spin_lock(&cmb_area.lock);  in alloc_cmb()
569 	if (!cmb_area.mem) {  in alloc_cmb()
571 		size = sizeof(struct cmb) * cmb_area.num_channels;  in alloc_cmb()
572 		WARN_ON(!list_empty(&cmb_area.list));  in alloc_cmb()
574 		spin_unlock(&cmb_area.lock);  in alloc_cmb()
577 		spin_lock(&cmb_area.lock);  in alloc_cmb()
579 		if (cmb_area.mem) {  in alloc_cmb()
589 			cmb_area.mem = mem;  in alloc_cmb()
590 			cmf_activate(cmb_area.mem, 1);  in alloc_cmb()
597 	spin_unlock(&cmb_area.lock);  in alloc_cmb()
610 	spin_lock(&cmb_area.lock);  in free_cmb()
621 	if (list_empty(&cmb_area.list)) {  in free_cmb()
623 		size = sizeof(struct cmb) * cmb_area.num_channels;  in free_cmb()
625 		free_pages((unsigned long)cmb_area.mem, get_order(size));  in free_cmb()
626 		cmb_area.mem = NULL;  in free_cmb()
629 	spin_unlock(&cmb_area.lock);  in free_cmb()
644 	offset = mme ? (struct cmb *)cmb_data->hw_block - cmb_area.mem : 0;  in set_cmb()
824 	spin_lock(&cmb_area.lock);  in alloc_cmbe()
832 	if (list_empty(&cmb_area.list))  in alloc_cmbe()
834 	list_add_tail(&cdev->private->cmb_list, &cmb_area.list);  in alloc_cmbe()
837 	spin_unlock(&cmb_area.lock);  in alloc_cmbe()
842 	spin_unlock(&cmb_area.lock);  in alloc_cmbe()
857 	spin_lock(&cmb_area.lock);  in free_cmbe()
869 	if (list_empty(&cmb_area.list))  in free_cmbe()
872 	spin_unlock(&cmb_area.lock);  in free_cmbe()
1322 	spin_lock(&cmb_area.lock);  in cmf_reactivate()
1323 	if (!list_empty(&cmb_area.list))  in cmf_reactivate()
1324 		cmf_activate(cmb_area.mem, 1);  in cmf_reactivate()
1325 	spin_unlock(&cmb_area.lock);  in cmf_reactivate()