diff --git a/include/services/sdei.h b/include/services/sdei.h
index 79d1d06..4d0fd3f 100644
--- a/include/services/sdei.h
+++ b/include/services/sdei.h
@@ -4,61 +4,56 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef __SDEI_H__
-#define __SDEI_H__
+#ifndef SDEI_H
+#define SDEI_H
 
 #include <spinlock.h>
 #include <utils_def.h>
 
 /* Range 0xC4000020 - 0xC400003F reserved for SDE 64bit smc calls */
-#define SDEI_VERSION				0xC4000020
-#define SDEI_EVENT_REGISTER			0xC4000021
-#define SDEI_EVENT_ENABLE			0xC4000022
-#define SDEI_EVENT_DISABLE			0xC4000023
-#define SDEI_EVENT_CONTEXT			0xC4000024
-#define SDEI_EVENT_COMPLETE			0xC4000025
-#define SDEI_EVENT_COMPLETE_AND_RESUME		0xC4000026
+#define SDEI_VERSION				0xC4000020U
+#define SDEI_EVENT_REGISTER			0xC4000021U
+#define SDEI_EVENT_ENABLE			0xC4000022U
+#define SDEI_EVENT_DISABLE			0xC4000023U
+#define SDEI_EVENT_CONTEXT			0xC4000024U
+#define SDEI_EVENT_COMPLETE			0xC4000025U
+#define SDEI_EVENT_COMPLETE_AND_RESUME		0xC4000026U
 
-#define SDEI_EVENT_UNREGISTER			0xC4000027
-#define SDEI_EVENT_STATUS			0xC4000028
-#define SDEI_EVENT_GET_INFO			0xC4000029
-#define SDEI_EVENT_ROUTING_SET			0xC400002A
-#define SDEI_PE_MASK				0xC400002B
-#define SDEI_PE_UNMASK				0xC400002C
+#define SDEI_EVENT_UNREGISTER			0xC4000027U
+#define SDEI_EVENT_STATUS			0xC4000028U
+#define SDEI_EVENT_GET_INFO			0xC4000029U
+#define SDEI_EVENT_ROUTING_SET			0xC400002AU
+#define SDEI_PE_MASK				0xC400002BU
+#define SDEI_PE_UNMASK				0xC400002CU
 
-#define SDEI_INTERRUPT_BIND			0xC400002D
-#define SDEI_INTERRUPT_RELEASE			0xC400002E
-#define SDEI_EVENT_SIGNAL			0xC400002F
-#define SDEI_FEATURES				0xC4000030
-#define SDEI_PRIVATE_RESET			0xC4000031
-#define SDEI_SHARED_RESET			0xC4000032
+#define SDEI_INTERRUPT_BIND			0xC400002DU
+#define SDEI_INTERRUPT_RELEASE			0xC400002EU
+#define SDEI_EVENT_SIGNAL			0xC400002FU
+#define SDEI_FEATURES				0xC4000030U
+#define SDEI_PRIVATE_RESET			0xC4000031U
+#define SDEI_SHARED_RESET			0xC4000032U
 
 /* SDEI_EVENT_REGISTER flags */
-#define SDEI_REGF_RM_ANY	0
-#define SDEI_REGF_RM_PE		1
+#define SDEI_REGF_RM_ANY	0ULL
+#define SDEI_REGF_RM_PE		1ULL
 
 /* SDEI_EVENT_COMPLETE status flags */
-#define SDEI_EV_HANDLED		0
-#define SDEI_EV_FAILED		1
-
-/* SDE event status values in bit position */
-#define SDEI_STATF_REGISTERED		0
-#define SDEI_STATF_ENABLED		1
-#define SDEI_STATF_RUNNING		2
+#define SDEI_EV_HANDLED		0U
+#define SDEI_EV_FAILED		1U
 
 /* Internal: SDEI flag bit positions */
-#define _SDEI_MAPF_DYNAMIC_SHIFT	1
-#define _SDEI_MAPF_BOUND_SHIFT		2
-#define _SDEI_MAPF_SIGNALABLE_SHIFT	3
-#define _SDEI_MAPF_PRIVATE_SHIFT	4
-#define _SDEI_MAPF_CRITICAL_SHIFT	5
-#define _SDEI_MAPF_EXPLICIT_SHIFT	6
+#define SDEI_MAPF_DYNAMIC_SHIFT_	1U
+#define SDEI_MAPF_BOUND_SHIFT_		2U
+#define SDEI_MAPF_SIGNALABLE_SHIFT_	3U
+#define SDEI_MAPF_PRIVATE_SHIFT_	4U
+#define SDEI_MAPF_CRITICAL_SHIFT_	5U
+#define SDEI_MAPF_EXPLICIT_SHIFT_	6U
 
 /* SDEI event 0 */
 #define SDEI_EVENT_0	0
 
 /* Placeholder interrupt for dynamic mapping */
-#define SDEI_DYN_IRQ	0
+#define SDEI_DYN_IRQ	0U
 
 /* SDEI flags */
 
@@ -80,20 +75,20 @@
  *
  * See also the is_map_bound() macro.
  */
-#define SDEI_MAPF_DYNAMIC	BIT(_SDEI_MAPF_DYNAMIC_SHIFT)
-#define SDEI_MAPF_BOUND		BIT(_SDEI_MAPF_BOUND_SHIFT)
-#define SDEI_MAPF_EXPLICIT	BIT(_SDEI_MAPF_EXPLICIT_SHIFT)
+#define SDEI_MAPF_DYNAMIC	BIT(SDEI_MAPF_DYNAMIC_SHIFT_)
+#define SDEI_MAPF_BOUND		BIT(SDEI_MAPF_BOUND_SHIFT_)
+#define SDEI_MAPF_EXPLICIT	BIT(SDEI_MAPF_EXPLICIT_SHIFT_)
 
-#define SDEI_MAPF_SIGNALABLE	BIT(_SDEI_MAPF_SIGNALABLE_SHIFT)
-#define SDEI_MAPF_PRIVATE	BIT(_SDEI_MAPF_PRIVATE_SHIFT)
+#define SDEI_MAPF_SIGNALABLE	BIT(SDEI_MAPF_SIGNALABLE_SHIFT_)
+#define SDEI_MAPF_PRIVATE	BIT(SDEI_MAPF_PRIVATE_SHIFT_)
 
 #define SDEI_MAPF_NORMAL	0
-#define SDEI_MAPF_CRITICAL	BIT(_SDEI_MAPF_CRITICAL_SHIFT)
+#define SDEI_MAPF_CRITICAL	BIT(SDEI_MAPF_CRITICAL_SHIFT_)
 
 /* Indices of private and shared mappings */
-#define _SDEI_MAP_IDX_PRIV	0
-#define _SDEI_MAP_IDX_SHRD	1
-#define _SDEI_MAP_IDX_MAX	2
+#define SDEI_MAP_IDX_PRIV_	0U
+#define SDEI_MAP_IDX_SHRD_	1U
+#define SDEI_MAP_IDX_MAX_	2U
 
 /* The macros below are used to identify SDEI calls from the SMC function ID */
 #define SDEI_FID_MASK		U(0xffe0)
@@ -104,22 +99,22 @@
 
 #define SDEI_EVENT_MAP(_event, _intr, _flags) \
 	{ \
-		.ev_num = _event, \
-		.intr = _intr, \
-		.map_flags = _flags \
+		.ev_num = (_event), \
+		.intr = (_intr), \
+		.map_flags = (_flags) \
 	}
 
 #define SDEI_SHARED_EVENT(_event, _intr, _flags) \
 	SDEI_EVENT_MAP(_event, _intr, _flags)
 
 #define SDEI_PRIVATE_EVENT(_event, _intr, _flags) \
-	SDEI_EVENT_MAP(_event, _intr, _flags | SDEI_MAPF_PRIVATE)
+	SDEI_EVENT_MAP(_event, _intr, (_flags) | SDEI_MAPF_PRIVATE)
 
 #define SDEI_DEFINE_EVENT_0(_intr) \
-	SDEI_PRIVATE_EVENT(SDEI_EVENT_0, _intr, SDEI_MAPF_SIGNALABLE)
+	SDEI_PRIVATE_EVENT(SDEI_EVENT_0, (_intr), SDEI_MAPF_SIGNALABLE)
 
 #define SDEI_EXPLICIT_EVENT(_event, _pri) \
-	SDEI_EVENT_MAP(_event, 0, _pri | SDEI_MAPF_EXPLICIT | SDEI_MAPF_PRIVATE)
+	SDEI_EVENT_MAP((_event), 0, (_pri) | SDEI_MAPF_EXPLICIT | SDEI_MAPF_PRIVATE)
 
 /*
  * Declare shared and private entries for each core. Also declare a global
@@ -133,12 +128,12 @@
 		[PLATFORM_CORE_COUNT * ARRAY_SIZE(_private)]; \
 	sdei_entry_t sdei_shared_event_table[ARRAY_SIZE(_shared)]; \
 	const sdei_mapping_t sdei_global_mappings[] = { \
-		[_SDEI_MAP_IDX_PRIV] = { \
-			.map = _private, \
+		[SDEI_MAP_IDX_PRIV_] = { \
+			.map = (_private), \
 			.num_maps = ARRAY_SIZE(_private) \
 		}, \
-		[_SDEI_MAP_IDX_SHRD] = { \
-			.map = _shared, \
+		[SDEI_MAP_IDX_SHRD_] = { \
+			.map = (_shared), \
 			.num_maps = ARRAY_SIZE(_shared) \
 		}, \
 	}
@@ -185,4 +180,4 @@
 /* Public API to dispatch an event to Normal world */
 int sdei_dispatch_event(int ev_num);
 
-#endif /* __SDEI_H__ */
+#endif /* SDEI_H */