SPM: Shorten 'TFM_GET_CONTAINER_PTR'

Use 'TO_CONTAINER' instead, which is shorter and straight.

Change-Id: I7f669aeed386b34b12ffeb2b9554310dcaa24d55
Signed-off-by: Ken Liu <Ken.Liu@arm.com>
diff --git a/secure_fw/spm/cmsis_psa/spm_ipc.c b/secure_fw/spm/cmsis_psa/spm_ipc.c
index 432a5c9..b3fd61c 100644
--- a/secure_fw/spm/cmsis_psa/spm_ipc.c
+++ b/secure_fw/spm/cmsis_psa/spm_ipc.c
@@ -250,7 +250,7 @@
      * partition mask until no remaining message. Search may be optimized.
      */
     BI_LIST_FOR_EACH(node, head) {
-        tmp_msg = TFM_GET_CONTAINER_PTR(node, struct tfm_msg_body_t, msg_node);
+        tmp_msg = TO_CONTAINER(node, struct tfm_msg_body_t, msg_node);
         if (tmp_msg->service->service_db->signal == signal && msg) {
             return msg;
         } else if (tmp_msg->service->service_db->signal == signal) {
@@ -385,7 +385,7 @@
     struct tfm_core_thread_t *pth = tfm_core_thrd_get_curr();
     struct partition_t *partition;
 
-    partition = TFM_GET_CONTAINER_PTR(pth, struct partition_t, sp_thread);
+    partition = TO_CONTAINER(pth, struct partition_t, sp_thread);
 
     return partition;
 }
@@ -882,9 +882,9 @@
 
     if (pth_next != NULL && pth_curr != pth_next) {
 #if TFM_LVL != 1
-        p_next_partition = TFM_GET_CONTAINER_PTR(pth_next,
-                                                 struct partition_t,
-                                                 sp_thread);
+        p_next_partition = TO_CONTAINER(pth_next,
+                                        struct partition_t,
+                                        sp_thread);
         p_part_static = p_next_partition->p_static;
         if (p_part_static->flags & SPM_PART_FLAG_PSA_ROT) {
             is_privileged = TFM_PARTITION_PRIVILEGED_MODE;
diff --git a/secure_fw/spm/cmsis_psa/tfm_pools.c b/secure_fw/spm/cmsis_psa/tfm_pools.c
index f298340..5bd07f1 100644
--- a/secure_fw/spm/cmsis_psa/tfm_pools.c
+++ b/secure_fw/spm/cmsis_psa/tfm_pools.c
@@ -68,7 +68,7 @@
     }
 
     node = BI_LIST_NEXT_NODE(&pool->chunks_list);
-    pchunk = TFM_GET_CONTAINER_PTR(node, struct tfm_pool_chunk_t, list);
+    pchunk = TO_CONTAINER(node, struct tfm_pool_chunk_t, list);
 
     /* Remove node from list node, it will be added when pool free */
     BI_LIST_REMOVE_NODE(node);
@@ -80,7 +80,7 @@
 {
     struct tfm_pool_chunk_t *pchunk;
 
-    pchunk = TFM_GET_CONTAINER_PTR(ptr, struct tfm_pool_chunk_t, data);
+    pchunk = TO_CONTAINER(ptr, struct tfm_pool_chunk_t, data);
     BI_LIST_INSERT_BEFORE(&pool->chunks_list, &pchunk->list);
 }
 
@@ -99,7 +99,7 @@
     }
 
     pool_chunk_address =
-    (uint32_t)TFM_GET_CONTAINER_PTR(data, struct tfm_pool_chunk_t, data);
+        (uint32_t)TO_CONTAINER(data, struct tfm_pool_chunk_t, data);
 
     /* Make sure that the chunk containing the message is aligned on */
     /* chunk boundary in the pool. */
diff --git a/secure_fw/spm/ffm/psa_client_service_apis.c b/secure_fw/spm/ffm/psa_client_service_apis.c
index 33b200d..2f57c0c 100644
--- a/secure_fw/spm/ffm/psa_client_service_apis.c
+++ b/secure_fw/spm/ffm/psa_client_service_apis.c
@@ -210,9 +210,9 @@
         return PSA_ERROR_DOES_NOT_EXIST;
     }
 
-    (TFM_GET_CONTAINER_PTR(tmp_msg,
-                           struct tfm_conn_handle_t,
-                           internal_msg))->status = TFM_HANDLE_STATUS_ACTIVE;
+    (TO_CONTAINER(tmp_msg,
+                  struct tfm_conn_handle_t,
+                  internal_msg))->status = TFM_HANDLE_STATUS_ACTIVE;
 
     spm_memcpy(msg, &tmp_msg->msg, sizeof(psa_msg_t));
 
diff --git a/secure_fw/spm/include/utilities.h b/secure_fw/spm/include/utilities.h
index 76c9128..847e406 100644
--- a/secure_fw/spm/include/utilities.h
+++ b/secure_fw/spm/include/utilities.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018-2020, Arm Limited. All rights reserved.
+ * Copyright (c) 2018-2021, Arm Limited. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  *
@@ -30,7 +30,7 @@
 #endif
 
 /* Get container structure start address from member */
-#define TFM_GET_CONTAINER_PTR(ptr, type, member) \
+#define TO_CONTAINER(ptr, type, member) \
     (type *)((unsigned long)(ptr) - offsetof(type, member))
 
 #define ERROR_MSG(msg)