diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h
index 7635fde..9de6c38 100644
--- a/include/crypto/algapi.h
+++ b/include/crypto/algapi.h
@@ -114,6 +114,9 @@
 void crypto_unregister_template(struct crypto_template *tmpl);
 struct crypto_template *crypto_lookup_template(const char *name);
 
+int crypto_register_instance(struct crypto_template *tmpl,
+			     struct crypto_instance *inst);
+
 int crypto_init_spawn(struct crypto_spawn *spawn, struct crypto_alg *alg,
 		      struct crypto_instance *inst, u32 mask);
 int crypto_init_spawn2(struct crypto_spawn *spawn, struct crypto_alg *alg,