27 	struct nd_region *nd_region = to_nd_region(dev->parent);  in nd_pfn_release()  local
32 	ida_simple_remove(&nd_region->pfn_ida, nd_pfn->id);  in nd_pfn_release()
313 static struct nd_pfn *nd_pfn_alloc(struct nd_region *nd_region)  in nd_pfn_alloc()  argument
322 	nd_pfn->id = ida_simple_get(&nd_region->pfn_ida, 0, 0, GFP_KERNEL);  in nd_pfn_alloc()
329 	dev_set_name(dev, "pfn%d.%d", nd_region->id, nd_pfn->id);  in nd_pfn_alloc()
332 	dev->parent = &nd_region->dev;  in nd_pfn_alloc()
337 struct device *nd_pfn_create(struct nd_region *nd_region)  in nd_pfn_create()  argument
342 	if (!is_nd_pmem(&nd_region->dev))  in nd_pfn_create()
345 	nd_pfn = nd_pfn_alloc(nd_region);  in nd_pfn_create()
478 	struct nd_region *nd_region = to_nd_region(ndns->dev.parent);  in nd_pfn_probe()  local
484 	nd_pfn = nd_pfn_alloc(nd_region);  in nd_pfn_probe()
579 	struct nd_region *nd_region;  in nd_pfn_init()  local
601 	nd_region = to_nd_region(nd_pfn->dev.parent);  in nd_pfn_init()
602 	if (nd_region->ro) {  in nd_pfn_init()
605 				dev_name(&nd_region->dev));  in nd_pfn_init()