score: Avoid Giant lock for set time of day

Update #2555.
Update #2630.

1 files changed, 6 insertions, 8 deletions

diff --git a/cpukit/score/src/coretodset.c b/cpukit/score/src/coretodset.c
index e11f47c904..f1d2e36eb0 100644
--- a/cpukit/score/src/coretodset.c
+++ b/cpukit/score/src/coretodset.c
@@ -19,11 +19,12 @@
 #endif
 
 #include <rtems/score/todimpl.h>
-#include <rtems/score/threaddispatch.h>
+#include <rtems/score/assert.h>
 #include <rtems/score/watchdogimpl.h>
 
 void _TOD_Set(
-  const Timestamp_Control *tod_as_timestamp
+  const Timestamp_Control *tod_as_timestamp,
+  ISR_lock_Context        *lock_context
 )
 {
   struct timespec tod_as_timespec;
@@ -31,12 +32,11 @@ void _TOD_Set(
   uint32_t        cpu_count;
   uint32_t        cpu_index;
 
-  _Timestamp_To_timespec( tod_as_timestamp, &tod_as_timespec );
-
-  _Thread_Disable_dispatch();
+  _Assert( _API_Mutex_Is_owner( _Once_Mutex ) );
 
-  _Timecounter_Set_clock( &tod_as_timespec );
+  _Timecounter_Set_clock( tod_as_timestamp, lock_context );
 
+  _Timestamp_To_timespec( tod_as_timestamp, &tod_as_timespec );
   tod_as_ticks = _Watchdog_Ticks_from_timespec( &tod_as_timespec );
   cpu_count = _SMP_Get_processor_count();
 
@@ -47,6 +47,4 @@ void _TOD_Set(
   }
 
   _TOD.is_set = true;
-
-  _Thread_Enable_dispatch();
 }