diff --git a/drivers/acpi/acpica/dswload2.c b/drivers/acpi/acpica/dswload2.c
index 89c0114210c0f32e0a3f7edf3e3d1961aa4e4a5f..3798357483578d9569cc004d1e05ff5d3ff905a7 100644
--- a/drivers/acpi/acpica/dswload2.c
+++ b/drivers/acpi/acpica/dswload2.c
@@ -254,7 +254,7 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state,
 				    acpi_ut_get_type_name(node->type),
 				    acpi_ut_get_node_name(node)));
 
-			return (AE_AML_OPERAND_TYPE);
+			return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
 		}
 		break;
 
@@ -602,7 +602,7 @@ acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state)
 							  region_space,
 							  walk_state);
 				if (ACPI_FAILURE(status)) {
-					return (status);
+					return_ACPI_STATUS(status);
 				}
 
 				acpi_ex_exit_interpreter();
diff --git a/drivers/acpi/acpica/dswstate.c b/drivers/acpi/acpica/dswstate.c
index 9bb7fa45e240bbf0877217135f1fb2536e63f7da..8e6267980aaff04fb3584f4dd4354e81caa9e9df 100644
--- a/drivers/acpi/acpica/dswstate.c
+++ b/drivers/acpi/acpica/dswstate.c
@@ -708,13 +708,13 @@ void acpi_ds_delete_walk_state(struct acpi_walk_state *walk_state)
 	ACPI_FUNCTION_TRACE_PTR(ds_delete_walk_state, walk_state);
 
 	if (!walk_state) {
-		return;
+		return_VOID;
 	}
 
 	if (walk_state->descriptor_type != ACPI_DESC_TYPE_WALK) {
 		ACPI_ERROR((AE_INFO, "%p is not a valid walk state",
 			    walk_state));
-		return;
+		return_VOID;
 	}
 
 	/* There should not be any open scopes */
diff --git a/drivers/acpi/acpica/evxfgpe.c b/drivers/acpi/acpica/evxfgpe.c
index d36f99739376961952d23ce89b0be717b54f34d8..3f30e753b652ebe4db8e40588479a1aa13b5b76a 100644
--- a/drivers/acpi/acpica/evxfgpe.c
+++ b/drivers/acpi/acpica/evxfgpe.c
@@ -569,7 +569,7 @@ acpi_install_gpe_block(acpi_handle gpe_device,
 
 	status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
 	if (ACPI_FAILURE(status)) {
-		return (status);
+		return_ACPI_STATUS(status);
 	}
 
 	node = acpi_ns_validate_handle(gpe_device);
@@ -652,7 +652,7 @@ acpi_status acpi_remove_gpe_block(acpi_handle gpe_device)
 
 	status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
 	if (ACPI_FAILURE(status)) {
-		return (status);
+		return_ACPI_STATUS(status);
 	}
 
 	node = acpi_ns_validate_handle(gpe_device);
diff --git a/drivers/acpi/acpica/exdebug.c b/drivers/acpi/acpica/exdebug.c
index bc5b9a6a131638ab8014228ea89ae95225955e3a..e0c905095ed1428cdd0afc8583d4eb1b937b72f8 100644
--- a/drivers/acpi/acpica/exdebug.c
+++ b/drivers/acpi/acpica/exdebug.c
@@ -190,7 +190,7 @@ acpi_ex_do_debug_object(union acpi_operand_object *source_desc,
 
 			acpi_os_printf("Table Index 0x%X\n",
 				       source_desc->reference.value);
-			return;
+			return_VOID;
 
 		default:
 			break;
diff --git a/drivers/acpi/acpica/exmutex.c b/drivers/acpi/acpica/exmutex.c
index bcceda5be9e3ece853d9864d5280346000276975..9099783eb8572fc9a10d5758345baace9746528e 100644
--- a/drivers/acpi/acpica/exmutex.c
+++ b/drivers/acpi/acpica/exmutex.c
@@ -305,7 +305,7 @@ acpi_status acpi_ex_release_mutex_object(union acpi_operand_object *obj_desc)
 	ACPI_FUNCTION_TRACE(ex_release_mutex_object);
 
 	if (obj_desc->mutex.acquisition_depth == 0) {
-		return (AE_NOT_ACQUIRED);
+		return_ACPI_STATUS(AE_NOT_ACQUIRED);
 	}
 
 	/* Match multiple Acquires with multiple Releases */
diff --git a/drivers/acpi/acpica/exoparg6.c b/drivers/acpi/acpica/exoparg6.c
index 0786b86590610e5d64d8a7b8d75344733cbaac2d..ab68dc532c7f5252264516f126240c2fa7e4fddc 100644
--- a/drivers/acpi/acpica/exoparg6.c
+++ b/drivers/acpi/acpica/exoparg6.c
@@ -198,7 +198,7 @@ acpi_ex_do_match(u32 match_op,
 		return (FALSE);
 	}
 
-	return logical_result;
+	return (logical_result);
 }
 
 /*******************************************************************************
diff --git a/drivers/acpi/acpica/hwpci.c b/drivers/acpi/acpica/hwpci.c
index 1455ddcdc32ceebcfcdf309c8c1d6627d7d47559..65bc3453a29c20c8c862a8a40983ead331d86291 100644
--- a/drivers/acpi/acpica/hwpci.c
+++ b/drivers/acpi/acpica/hwpci.c
@@ -259,7 +259,7 @@ acpi_hw_process_pci_list(struct acpi_pci_id *pci_id,
 		status = acpi_hw_get_pci_device_info(pci_id, info->device,
 						     &bus_number, &is_bridge);
 		if (ACPI_FAILURE(status)) {
-			return_ACPI_STATUS(status);
+			return (status);
 		}
 
 		info = info->next;
@@ -271,7 +271,7 @@ acpi_hw_process_pci_list(struct acpi_pci_id *pci_id,
 			  pci_id->segment, pci_id->bus, pci_id->device,
 			  pci_id->function, status, bus_number, is_bridge));
 
-	return_ACPI_STATUS(AE_OK);
+	return (AE_OK);
 }
 
 /*******************************************************************************
diff --git a/drivers/acpi/acpica/nsnames.c b/drivers/acpi/acpica/nsnames.c
index 96e0eb609bb465cc9f1b87f6404e8a44fcb1ec0d..55a175eadcc31b1a7f132f4c1923c3a01aa253b5 100644
--- a/drivers/acpi/acpica/nsnames.c
+++ b/drivers/acpi/acpica/nsnames.c
@@ -195,7 +195,7 @@ acpi_size acpi_ns_get_pathname_length(struct acpi_namespace_node *node)
 			ACPI_ERROR((AE_INFO,
 				    "Invalid Namespace Node (%p) while traversing namespace",
 				    next_node));
-			return 0;
+			return (0);
 		}
 		size += ACPI_PATH_SEGMENT_LENGTH;
 		next_node = next_node->parent;
diff --git a/drivers/acpi/acpica/nsxfeval.c b/drivers/acpi/acpica/nsxfeval.c
index 494f2ebd623a59147577bab1a286b49022c88441..ee4d873f9f0aee6f8e8437261695c4e13343b9cc 100644
--- a/drivers/acpi/acpica/nsxfeval.c
+++ b/drivers/acpi/acpica/nsxfeval.c
@@ -550,7 +550,7 @@ acpi_ns_get_device_callback(acpi_handle obj_handle,
 
 	status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
 	if (ACPI_FAILURE(status)) {
-		return (status);
+		return_ACPI_STATUS(status);
 	}
 
 	node = acpi_ns_validate_handle(obj_handle);
diff --git a/drivers/acpi/acpica/rslist.c b/drivers/acpi/acpica/rslist.c
index 46b5324b22d6236adb4e0ea6637b8e3be8dff501..8b64db9a3fd2cd6a8a465ba666c710c66b634d86 100644
--- a/drivers/acpi/acpica/rslist.c
+++ b/drivers/acpi/acpica/rslist.c
@@ -109,7 +109,7 @@ acpi_rs_convert_aml_to_resources(u8 * aml,
 		ACPI_ERROR((AE_INFO,
 			    "Invalid/unsupported resource descriptor: Type 0x%2.2X",
 			    resource_index));
-		return (AE_AML_INVALID_RESOURCE_TYPE);
+		return_ACPI_STATUS(AE_AML_INVALID_RESOURCE_TYPE);
 	}
 
 	/* Convert the AML byte stream resource to a local resource struct */
@@ -200,7 +200,7 @@ acpi_rs_convert_resources_to_aml(struct acpi_resource *resource,
 			ACPI_ERROR((AE_INFO,
 				    "Invalid/unsupported resource descriptor: Type 0x%2.2X",
 				    resource->type));
-			return (AE_AML_INVALID_RESOURCE_TYPE);
+			return_ACPI_STATUS(AE_AML_INVALID_RESOURCE_TYPE);
 		}
 
 		status = acpi_rs_convert_resource_to_aml(resource,
diff --git a/drivers/acpi/acpica/tbinstal.c b/drivers/acpi/acpica/tbinstal.c
index 70f9d787c82cd9e8af9ae6fbd19d4d5a7cee2ac0..f540ae462925eff4614da3caf47e213d4591d938 100644
--- a/drivers/acpi/acpica/tbinstal.c
+++ b/drivers/acpi/acpica/tbinstal.c
@@ -526,6 +526,8 @@ void acpi_tb_terminate(void)
 
 	ACPI_DEBUG_PRINT((ACPI_DB_INFO, "ACPI Tables freed\n"));
 	(void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
+
+	return_VOID;
 }
 
 /*******************************************************************************
diff --git a/drivers/acpi/acpica/tbutils.c b/drivers/acpi/acpica/tbutils.c
index b6cea30da63879a970944a54642f2f404b3c918a..285e24b973822812d069721aeb44acc9908229f0 100644
--- a/drivers/acpi/acpica/tbutils.c
+++ b/drivers/acpi/acpica/tbutils.c
@@ -354,7 +354,7 @@ u8 acpi_tb_checksum(u8 *buffer, u32 length)
 		sum = (u8) (sum + *(buffer++));
 	}
 
-	return sum;
+	return (sum);
 }
 
 /*******************************************************************************
diff --git a/drivers/acpi/acpica/tbxface.c b/drivers/acpi/acpica/tbxface.c
index 21101262e47a1a4fd33f7cdf1b4973647571e435..f5632780421d2ab7bd30c14c6948e8d9b893d303 100644
--- a/drivers/acpi/acpica/tbxface.c
+++ b/drivers/acpi/acpica/tbxface.c
@@ -236,7 +236,7 @@ acpi_get_table_header(char *signature,
 						       sizeof(struct
 							      acpi_table_header));
 				if (!header) {
-					return AE_NO_MEMORY;
+					return (AE_NO_MEMORY);
 				}
 				ACPI_MEMCPY(out_table_header, header,
 					    sizeof(struct acpi_table_header));
@@ -244,7 +244,7 @@ acpi_get_table_header(char *signature,
 						     sizeof(struct
 							    acpi_table_header));
 			} else {
-				return AE_NOT_FOUND;
+				return (AE_NOT_FOUND);
 			}
 		} else {
 			ACPI_MEMCPY(out_table_header,
diff --git a/drivers/acpi/acpica/tbxfroot.c b/drivers/acpi/acpica/tbxfroot.c
index 74e720800037e2499cb734dcd344bd50c2496626..f8ee9b35b999008d1773dc3554595f13c3962f18 100644
--- a/drivers/acpi/acpica/tbxfroot.c
+++ b/drivers/acpi/acpica/tbxfroot.c
@@ -67,7 +67,6 @@ static acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp *rsdp);
 
 static acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp *rsdp)
 {
-	ACPI_FUNCTION_ENTRY();
 
 	/*
 	 * The signature and checksum must both be correct
diff --git a/drivers/acpi/acpica/utdebug.c b/drivers/acpi/acpica/utdebug.c
index 6e3ae6a23f0b310d44ed2d702d0bb346caf94dcc..2c21799176498525c84b9f2a0d5dd24bb5b69d44 100644
--- a/drivers/acpi/acpica/utdebug.c
+++ b/drivers/acpi/acpica/utdebug.c
@@ -300,6 +300,7 @@ acpi_ut_trace_ptr(u32 line_number,
 		  const char *function_name,
 		  const char *module_name, u32 component_id, void *pointer)
 {
+
 	acpi_gbl_nesting_level++;
 	acpi_ut_track_stack_ptr();
 
diff --git a/drivers/acpi/acpica/utmutex.c b/drivers/acpi/acpica/utmutex.c
index 296baa676bc59cbf60320145e304e1f0ba705757..93a1191993357a12f9b3b57882d4a8960804eb80 100644
--- a/drivers/acpi/acpica/utmutex.c
+++ b/drivers/acpi/acpica/utmutex.c
@@ -193,6 +193,8 @@ static void acpi_ut_delete_mutex(acpi_mutex_handle mutex_id)
 
 	acpi_gbl_mutex_info[mutex_id].mutex = NULL;
 	acpi_gbl_mutex_info[mutex_id].thread_id = ACPI_MUTEX_NOT_ACQUIRED;
+
+	return_VOID;
 }
 
 /*******************************************************************************
diff --git a/drivers/acpi/acpica/uttrack.c b/drivers/acpi/acpica/uttrack.c
index 73ca27d40f9feaaee36367717789b07df81fb8cf..e79c49d44d086a3355ece2ccd75649e112b71760 100644
--- a/drivers/acpi/acpica/uttrack.c
+++ b/drivers/acpi/acpica/uttrack.c
@@ -517,14 +517,14 @@ void acpi_ut_dump_allocations(u32 component, const char *module)
 	ACPI_FUNCTION_TRACE(ut_dump_allocations);
 
 	if (acpi_gbl_disable_mem_tracking) {
-		return;
+		return_VOID;
 	}
 
 	/*
 	 * Walk the allocation list.
 	 */
 	if (ACPI_FAILURE(acpi_ut_acquire_mutex(ACPI_MTX_MEMORY))) {
-		return;
+		return_VOID;
 	}
 
 	element = acpi_gbl_global_list->list_head;
diff --git a/drivers/acpi/acpica/utxface.c b/drivers/acpi/acpica/utxface.c
index b09632b4f5b3faacabbe29c637334788cb85857a..0c98d42fb2fd69b52e92915bd07910b6125acb63 100644
--- a/drivers/acpi/acpica/utxface.c
+++ b/drivers/acpi/acpica/utxface.c
@@ -238,7 +238,7 @@ acpi_install_initialization_handler(acpi_init_handler handler, u32 function)
 	}
 
 	acpi_gbl_init_handler = handler;
-	return AE_OK;
+	return (AE_OK);
 }
 
 ACPI_EXPORT_SYMBOL(acpi_install_initialization_handler)
@@ -263,6 +263,7 @@ acpi_status acpi_purge_cached_objects(void)
 	(void)acpi_os_purge_cache(acpi_gbl_operand_cache);
 	(void)acpi_os_purge_cache(acpi_gbl_ps_node_cache);
 	(void)acpi_os_purge_cache(acpi_gbl_ps_node_ext_cache);
+
 	return_ACPI_STATUS(AE_OK);
 }