--- zzzz-none-000/linux-3.10.107/Documentation/hwspinlock.txt	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/Documentation/hwspinlock.txt	2021-02-04 17:41:59.000000000 +0000
@@ -48,6 +48,16 @@
      ids for predefined purposes.
      Should be called from a process context (might sleep).
 
+  int of_hwspin_lock_get_id(struct device_node *np, int index);
+   - retrieve the global lock id for an OF phandle-based specific lock.
+     This function provides a means for DT users of a hwspinlock module
+     to get the global lock id of a specific hwspinlock, so that it can
+     be requested using the normal hwspin_lock_request_specific() API.
+     The function returns a lock id number on success, -EPROBE_DEFER if
+     the hwspinlock device is not yet registered with the core, or other
+     error values.
+     Should be called from a process context (might sleep).
+
   int hwspin_lock_free(struct hwspinlock *hwlock);
    - free a previously-assigned hwspinlock; returns 0 on success, or an
      appropriate error code on failure (e.g. -EINVAL if the hwspinlock
@@ -241,7 +251,7 @@
      locks).
      Should be called from a process context (this function might sleep).
      Returns the address of hwspinlock on success, or NULL on error (e.g.
-     if the hwspinlock is sill in use).
+     if the hwspinlock is still in use).
 
 5. Important structs