[rtems commit] rtems: Move _Partition_Is_buffer_area_aligned()

[Sebastian Huber]

Module:    rtems
Branch:    master
Commit:    1784799b1717a7e9e3167e09c7492d654cb20351
Changeset: http://git.rtems.org/rtems/commit/?id=1784799b1717a7e9e3167e09c7492d654cb20351

Author:    Sebastian Huber <sebastian.huber at embedded-brains.de>
Date:      Wed Oct 14 10:30:45 2020 +0200

rtems: Move _Partition_Is_buffer_area_aligned()

It is only used by rtems_partition_create().  Move code directly into
directive which called the inline function.  Add a comment.

---

 cpukit/include/rtems/rtems/partimpl.h | 7 -------
 cpukit/rtems/src/partcreate.c         | 7 ++++++-
 2 files changed, 6 insertions(+), 8 deletions(-)

diff --git a/cpukit/include/rtems/rtems/partimpl.h b/cpukit/include/rtems/rtems/partimpl.h
index b9d57ae..dcffe75 100644
--- a/cpukit/include/rtems/rtems/partimpl.h
+++ b/cpukit/include/rtems/rtems/partimpl.h
@@ -34,13 +34,6 @@ extern "C" {
  * @{
  */
 
-RTEMS_INLINE_ROUTINE bool _Partition_Is_buffer_area_aligned(
-  const void *starting_address
-)
-{
-  return (((uintptr_t) starting_address) % CPU_SIZEOF_POINTER) == 0;
-}
-
 /**
  *  @brief Allocates a partition control block from the
  *  inactive chain of free partition control blocks.
diff --git a/cpukit/rtems/src/partcreate.c b/cpukit/rtems/src/partcreate.c
index 1e471d3..7434054 100644
--- a/cpukit/rtems/src/partcreate.c
+++ b/cpukit/rtems/src/partcreate.c
@@ -69,8 +69,13 @@ rtems_status_code rtems_partition_create(
   if ( buffer_size < sizeof( Chain_Node ) )
     return RTEMS_INVALID_SIZE;
 
-  if ( !_Partition_Is_buffer_area_aligned( starting_address ) )
+  /*
+   * Ensure that the buffer area starting address is aligned on a pointer
+   * boundary so that each buffer begin meets the chain node alignment.
+   */
+  if ( (uintptr_t) starting_address % CPU_SIZEOF_POINTER != 0 ) {
     return RTEMS_INVALID_ADDRESS;
+  }
 
 #if defined(RTEMS_MULTIPROCESSING)
   if ( !_System_state_Is_multiprocessing ) {