+static bool nfit_test_release_region(struct device *dev,
+ struct resource *parent, resource_size_t start,
+ resource_size_t n);
+
+static void nfit_devres_release(struct device *dev, void *data)
+{
+ struct resource *res = *((struct resource **) data);
+
+ WARN_ON(!nfit_test_release_region(NULL, &iomem_resource, res->start,
+ resource_size(res)));
+}
+
+static int match(struct device *dev, void *__res, void *match_data)
+{
+ struct resource *res = *((struct resource **) __res);
+ resource_size_t start = *((resource_size_t *) match_data);
+
+ return res->start == start;
+}
+
+static bool nfit_test_release_region(struct device *dev,
+ struct resource *parent, resource_size_t start,
+ resource_size_t n)
+{
+ if (parent == &iomem_resource) {
+ struct nfit_test_resource *nfit_res = get_nfit_res(start);
+
+ if (nfit_res) {
+ struct nfit_test_request *req;
+ struct resource *res = NULL;
+
+ if (dev) {
+ devres_release(dev, nfit_devres_release, match,
+ &start);
+ return true;
+ }
+
+ spin_lock(&nfit_res->lock);
+ list_for_each_entry(req, &nfit_res->requests, list)
+ if (req->res.start == start) {
+ res = &req->res;
+ list_del(&req->list);
+ break;
+ }
+ spin_unlock(&nfit_res->lock);
+
+ WARN(!res || resource_size(res) != n,
+ "%s: start: %llx n: %llx mismatch: %pr\n",
+ __func__, start, n, res);
+ if (res)
+ kfree(req);
+ return true;
+ }
+ }
+ return false;
+}
+