4 files changed, 7 insertions, 9 deletions
diff --git a/drivers/acpi/utilities/utalloc.c b/drivers/acpi/utilities/utalloc.c
index 6e56d5f7c43a..181e66986fa9 100644
--- a/drivers/acpi/utilities/utalloc.c
+++ b/drivers/acpi/utilities/utalloc.c
@@ -147,7 +147,7 @@ acpi_status acpi_ut_delete_caches(void)
 
 	if (acpi_gbl_display_final_mem_stats) {
 		ACPI_STRCPY(buffer, "MEMORY");
-		acpi_db_display_statistics(buffer);
+		(void)acpi_db_display_statistics(buffer);
 	}
 #endif
 
diff --git a/drivers/acpi/utilities/utcopy.c b/drivers/acpi/utilities/utcopy.c
index 879eaa10d3ae..b56953d2b59e 100644
--- a/drivers/acpi/utilities/utcopy.c
+++ b/drivers/acpi/utilities/utcopy.c
@@ -570,7 +570,7 @@ acpi_ut_copy_epackage_to_ipackage(union acpi_object *external_object,
 
 			/* Truncate package and delete it */
 
-			package_object->package.count = i;
+			package_object->package.count = (u32) i;
 			package_elements[i] = NULL;
 			acpi_ut_remove_reference(package_object);
 			return_ACPI_STATUS(status);
diff --git a/drivers/acpi/utilities/utdebug.c b/drivers/acpi/utilities/utdebug.c
index a9148677f037..2d6a78fb01cf 100644
--- a/drivers/acpi/utilities/utdebug.c
+++ b/drivers/acpi/utilities/utdebug.c
@@ -68,9 +68,9 @@ static const char *acpi_ut_trim_function_name(const char *function_name);
 
 void acpi_ut_init_stack_ptr_trace(void)
 {
-	u32 current_sp;
+	acpi_size current_sp;
 
-	acpi_gbl_entry_stack_pointer = ACPI_PTR_DIFF(&current_sp, NULL);
+	acpi_gbl_entry_stack_pointer = &current_sp;
 }
 
 /*******************************************************************************
@@ -89,10 +89,8 @@ void acpi_ut_track_stack_ptr(void)
 {
 	acpi_size current_sp;
 
-	current_sp = ACPI_PTR_DIFF(&current_sp, NULL);
-
-	if (current_sp < acpi_gbl_lowest_stack_pointer) {
-		acpi_gbl_lowest_stack_pointer = current_sp;
+	if (&current_sp < acpi_gbl_lowest_stack_pointer) {
+		acpi_gbl_lowest_stack_pointer = &current_sp;
 	}
 
 	if (acpi_gbl_nesting_level > acpi_gbl_deepest_nesting) {
diff --git a/drivers/acpi/utilities/utglobal.c b/drivers/acpi/utilities/utglobal.c
index 44425433075a..d2097ded262d 100644
--- a/drivers/acpi/utilities/utglobal.c
+++ b/drivers/acpi/utilities/utglobal.c
@@ -723,7 +723,7 @@ void acpi_ut_init_globals(void)
 	acpi_gbl_root_node_struct.flags = ANOBJ_END_OF_PEER_LIST;
 
 #ifdef ACPI_DEBUG_OUTPUT
-	acpi_gbl_lowest_stack_pointer = ACPI_SIZE_MAX;
+	acpi_gbl_lowest_stack_pointer = ACPI_CAST_PTR(acpi_size, ACPI_SIZE_MAX);
 #endif
 
 #ifdef ACPI_DBG_TRACK_ALLOCATIONS