interface: Simplify return attribute

25 files changed, 33 insertions, 83 deletions

diff --git a/spec/rtems/intr/if/disable.yml b/spec/rtems/intr/if/disable.yml
index 08208e7d..8881fba5 100644
--- a/spec/rtems/intr/if/disable.yml
+++ b/spec/rtems/intr/if/disable.yml
@@ -73,7 +73,5 @@ params:
     previous interrupt level.
   dir: out
   name: _isr_cookie
-return:
-  return: null
-  return-values: []
+return: null
 type: interface
diff --git a/spec/rtems/intr/if/enable.yml b/spec/rtems/intr/if/enable.yml
index 97d7dbf4..398a6243 100644
--- a/spec/rtems/intr/if/enable.yml
+++ b/spec/rtems/intr/if/enable.yml
@@ -43,7 +43,5 @@ params:
     a previous call to ${disable:/name} or ${flash:/name}.
   dir: in
   name: _isr_cookie
-return:
-  return: null
-  return-values: []
+return: null
 type: interface
diff --git a/spec/rtems/intr/if/entry-initialize.yml b/spec/rtems/intr/if/entry-initialize.yml
index df966948..23bb6f34 100644
--- a/spec/rtems/intr/if/entry-initialize.yml
+++ b/spec/rtems/intr/if/entry-initialize.yml
@@ -52,7 +52,5 @@ params:
     is the descriptive information for the entry.
   dir: null
   name: info
-return:
-  return: null
-  return-values: []
+return: null
 type: interface
diff --git a/spec/rtems/intr/if/entry-initializer.yml b/spec/rtems/intr/if/entry-initializer.yml
index eadc174a..5188d6aa 100644
--- a/spec/rtems/intr/if/entry-initializer.yml
+++ b/spec/rtems/intr/if/entry-initializer.yml
@@ -33,7 +33,5 @@ params:
     is the descriptive information for the entry.
   dir: null
   name: _info
-return:
-  return: null
-  return-values: []
+return: null
 type: interface
diff --git a/spec/rtems/intr/if/flash.yml b/spec/rtems/intr/if/flash.yml
index 05e8ef76..fca060d1 100644
--- a/spec/rtems/intr/if/flash.yml
+++ b/spec/rtems/intr/if/flash.yml
@@ -29,19 +29,17 @@ links:
   uid: ../constraint/no-smp
 name: rtems_interrupt_flash
 notes: |
-    The ${.:/params[0]/name} parameter value must be obtained by a previous
-    call to ${disable:/name} or ${flash:/name}.  Using an otherwise obtained
-    value is undefined behaviour.
+  The ${.:/params[0]/name} parameter value must be obtained by a previous
+  call to ${disable:/name} or ${flash:/name}.  Using an otherwise obtained
+  value is undefined behaviour.
 
-    Historically, the interrupt flash directive was heavily used in the
-    operating system implementation.  However, this is no longer the case.  The
-    interrupt flash directive is provided for backward compatibility reasons.
+  Historically, the interrupt flash directive was heavily used in the
+  operating system implementation.  However, this is no longer the case.  The
+  interrupt flash directive is provided for backward compatibility reasons.
 params:
 - description: |
     is the previous interrupt level.
   dir: inout
   name: _isr_cookie
-return:
-  return: null
-  return-values: []
+return: null
 type: interface
diff --git a/spec/rtems/intr/if/local-disable.yml b/spec/rtems/intr/if/local-disable.yml
index baee1537..542ff14d 100644
--- a/spec/rtems/intr/if/local-disable.yml
+++ b/spec/rtems/intr/if/local-disable.yml
@@ -75,7 +75,5 @@ params:
     previous interrupt level.
   dir: out
   name: _isr_cookie
-return:
-  return: null
-  return-values: []
+return: null
 type: interface
diff --git a/spec/rtems/intr/if/local-enable.yml b/spec/rtems/intr/if/local-enable.yml
index da08a124..f1125d99 100644
--- a/spec/rtems/intr/if/local-enable.yml
+++ b/spec/rtems/intr/if/local-enable.yml
@@ -40,7 +40,5 @@ params:
     a previous call to ${local-disable:/name}.
   dir: in
   name: _isr_cookie
-return:
-  return: null
-  return-values: []
+return: null
 type: interface
diff --git a/spec/rtems/intr/if/lock-acquire-isr.yml b/spec/rtems/intr/if/lock-acquire-isr.yml
index fe0e03d4..14e1959a 100644
--- a/spec/rtems/intr/if/lock-acquire-isr.yml
+++ b/spec/rtems/intr/if/lock-acquire-isr.yml
@@ -56,7 +56,5 @@ params:
     lock by calling ${lock-release-isr:/name}.
   dir: out
   name: _lock_context
-return:
-  return: null
-  return-values: []
+return: null
 type: interface
diff --git a/spec/rtems/intr/if/lock-acquire.yml b/spec/rtems/intr/if/lock-acquire.yml
index 7c05fd94..cfca358b 100644
--- a/spec/rtems/intr/if/lock-acquire.yml
+++ b/spec/rtems/intr/if/lock-acquire.yml
@@ -63,7 +63,5 @@ params:
     lock by calling ${lock-release:/name}.
   dir: out
   name: _lock_context
-return:
-  return: null
-  return-values: []
+return: null
 type: interface
diff --git a/spec/rtems/intr/if/lock-declare.yml b/spec/rtems/intr/if/lock-declare.yml
index 3f42f2ea..987507a7 100644
--- a/spec/rtems/intr/if/lock-declare.yml
+++ b/spec/rtems/intr/if/lock-declare.yml
@@ -30,7 +30,5 @@ params:
     is the ISR lock object designator.
   dir: null
   name: _designator
-return:
-  return: null
-  return-values: []
+return: null
 type: interface
diff --git a/spec/rtems/intr/if/lock-define.yml b/spec/rtems/intr/if/lock-define.yml
index 378a1026..b8bdaa97 100644
--- a/spec/rtems/intr/if/lock-define.yml
+++ b/spec/rtems/intr/if/lock-define.yml
@@ -38,7 +38,5 @@ params:
     the system was built with profiling support enabled.
   dir: null
   name: _name
-return:
-  return: null
-  return-values: []
+return: null
 type: interface
diff --git a/spec/rtems/intr/if/lock-destroy.yml b/spec/rtems/intr/if/lock-destroy.yml
index d69da341..90282e9e 100644
--- a/spec/rtems/intr/if/lock-destroy.yml
+++ b/spec/rtems/intr/if/lock-destroy.yml
@@ -33,7 +33,5 @@ params:
     is the ISR lock to destroy.
   dir: inout
   name: _lock
-return:
-  return: null
-  return-values: []
+return: null
 type: interface
diff --git a/spec/rtems/intr/if/lock-initialize.yml b/spec/rtems/intr/if/lock-initialize.yml
index d9922e7f..a23c2718 100644
--- a/spec/rtems/intr/if/lock-initialize.yml
+++ b/spec/rtems/intr/if/lock-initialize.yml
@@ -31,7 +31,5 @@ params:
     the system was built with profiling support enabled.
   dir: null
   name: _name
-return:
-  return: null
-  return-values: []
+return: null
 type: interface
diff --git a/spec/rtems/intr/if/lock-initializer.yml b/spec/rtems/intr/if/lock-initializer.yml
index fb100549..89deb039 100644
--- a/spec/rtems/intr/if/lock-initializer.yml
+++ b/spec/rtems/intr/if/lock-initializer.yml
@@ -26,7 +26,5 @@ params:
     the system was built with profiling support enabled.
   dir: null
   name: _name
-return:
-  return: null
-  return-values: []
+return: null
 type: interface
diff --git a/spec/rtems/intr/if/lock-isr-disable.yml b/spec/rtems/intr/if/lock-isr-disable.yml
index acf184b3..3ecc3e1d 100644
--- a/spec/rtems/intr/if/lock-isr-disable.yml
+++ b/spec/rtems/intr/if/lock-isr-disable.yml
@@ -29,7 +29,5 @@ params:
     is the ISR lock context for an acquire and release pair.
   dir: out
   name: _lock_context
-return:
-  return: null
-  return-values: []
+return: null
 type: interface
diff --git a/spec/rtems/intr/if/lock-member.yml b/spec/rtems/intr/if/lock-member.yml
index a5035ef5..e093aec7 100644
--- a/spec/rtems/intr/if/lock-member.yml
+++ b/spec/rtems/intr/if/lock-member.yml
@@ -24,7 +24,5 @@ params:
     is the ISR lock member designator.
   dir: null
   name: _designator
-return:
-  return: null
-  return-values: []
+return: null
 type: interface
diff --git a/spec/rtems/intr/if/lock-reference.yml b/spec/rtems/intr/if/lock-reference.yml
index 3aa3f7e9..be2b16d9 100644
--- a/spec/rtems/intr/if/lock-reference.yml
+++ b/spec/rtems/intr/if/lock-reference.yml
@@ -29,7 +29,5 @@ params:
     is the target object to reference.
   dir: null
   name: _target
-return:
-  return: null
-  return-values: []
+return: null
 type: interface
diff --git a/spec/rtems/intr/if/lock-release-isr.yml b/spec/rtems/intr/if/lock-release-isr.yml
index d82a7d52..21f50623 100644
--- a/spec/rtems/intr/if/lock-release-isr.yml
+++ b/spec/rtems/intr/if/lock-release-isr.yml
@@ -46,7 +46,5 @@ params:
     the lock by calling ${lock-acquire-isr:/name}.
   dir: inout
   name: _lock_context
-return:
-  return: null
-  return-values: []
+return: null
 type: interface
diff --git a/spec/rtems/intr/if/lock-release.yml b/spec/rtems/intr/if/lock-release.yml
index f407413a..76ba5771 100644
--- a/spec/rtems/intr/if/lock-release.yml
+++ b/spec/rtems/intr/if/lock-release.yml
@@ -43,7 +43,5 @@ params:
     the lock by calling ${lock-acquire:/name}.
   dir: inout
   name: _lock_context
-return:
-  return: null
-  return-values: []
+return: null
 type: interface
diff --git a/spec/rtems/intr/if/server-action-prepend.yml b/spec/rtems/intr/if/server-action-prepend.yml
index 156b4389..c1fc68ef 100644
--- a/spec/rtems/intr/if/server-action-prepend.yml
+++ b/spec/rtems/intr/if/server-action-prepend.yml
@@ -52,8 +52,8 @@ params:
   dir: inout
   name: entry
 - description: |
-   is the interrupt server action to initialize and prepend to the list of
-   actions of the entry.
+    is the interrupt server action to initialize and prepend to the list of
+    actions of the entry.
   dir: out
   name: action
 - description: |
@@ -64,7 +64,5 @@ params:
     is the interrupt handler argument to set in the action.
   dir: null
   name: arg
-return:
-  return: null
-  return-values: []
+return: null
 type: interface
diff --git a/spec/rtems/intr/if/server-entry-destroy.yml b/spec/rtems/intr/if/server-entry-destroy.yml
index e4fa67cc..457933c3 100644
--- a/spec/rtems/intr/if/server-entry-destroy.yml
+++ b/spec/rtems/intr/if/server-entry-destroy.yml
@@ -36,7 +36,5 @@ params:
     is the interrupt server entry to destroy.
   dir: inout
   name: entry
-return:
-  return: null
-  return-values: []
+return: null
 type: interface
diff --git a/spec/rtems/intr/if/server-entry-submit.yml b/spec/rtems/intr/if/server-entry-submit.yml
index 88b61f1d..da415848 100644
--- a/spec/rtems/intr/if/server-entry-submit.yml
+++ b/spec/rtems/intr/if/server-entry-submit.yml
@@ -52,7 +52,5 @@ params:
     is the interrupt server entry to submit.
   dir: null
   name: entry
-return:
-  return: null
-  return-values: []
+return: null
 type: interface
diff --git a/spec/rtems/intr/if/server-request-destroy.yml b/spec/rtems/intr/if/server-request-destroy.yml
index 800d8e84..3975c88e 100644
--- a/spec/rtems/intr/if/server-request-destroy.yml
+++ b/spec/rtems/intr/if/server-request-destroy.yml
@@ -37,7 +37,5 @@ params:
     is the interrupt server request to destroy.
   dir: inout
   name: request
-return:
-  return: null
-  return-values: []
+return: null
 type: interface
diff --git a/spec/rtems/intr/if/server-request-set-vector.yml b/spec/rtems/intr/if/server-request-set-vector.yml
index c6c6465f..6f414193 100644
--- a/spec/rtems/intr/if/server-request-set-vector.yml
+++ b/spec/rtems/intr/if/server-request-set-vector.yml
@@ -56,7 +56,5 @@ params:
     is the interrupt vector number to be used by the request.
   dir: null
   name: vector
-return:
-  return: null
-  return-values: []
+return: null
 type: interface
diff --git a/spec/rtems/intr/if/server-request-submit.yml b/spec/rtems/intr/if/server-request-submit.yml
index aa526f0c..60b0094f 100644
--- a/spec/rtems/intr/if/server-request-submit.yml
+++ b/spec/rtems/intr/if/server-request-submit.yml
@@ -51,7 +51,5 @@ params:
     is the interrupt server request to submit.
   dir: inout
   name: request
-return:
-  return: null
-  return-values: []
+return: null
 type: interface