PMF: Fix MISRA defects

Fix instances of MISRA C-2012 Rule 10.1 and 21.1.

Change-Id: I5676edede0703481e3635be0bc4a635df8e48f5e
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>

include/lib/pmf/pmf.h

@@ -4,8 +4,8 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef __PMF_H__
-#define __PMF_H__
+#ifndef PMF_H
+#define PMF_H
 
 #include <cassert.h>
 #include <pmf_helpers.h>
@@ -31,8 +31,8 @@
  * Flags passed to PMF_GET_TIMESTAMP_XXX
  * and PMF_CAPTURE_TIMESTAMP
  */
-#define PMF_CACHE_MAINT		(1 << 0)
-#define PMF_NO_CACHE_MAINT	0
+#define PMF_CACHE_MAINT		(U(1) << 0)
+#define PMF_NO_CACHE_MAINT	U(0)
 
 /*
  * Defines for PMF SMC function ids.
@@ -68,7 +68,7 @@
 #define PMF_CAPTURE_TIMESTAMP(_name, _tid, _flags)			\
 	do {								\
 		unsigned long long ts = read_cntpct_el0();		\
-		if ((_flags) & PMF_CACHE_MAINT)				\
+		if (((_flags) & PMF_CACHE_MAINT) != 0U)			\
 			pmf_capture_timestamp_with_cache_maint_ ## _name((_tid), ts);\
 		else							\
 			pmf_capture_timestamp_ ## _name((_tid), ts);	\
@@ -78,7 +78,7 @@
 	do {								\
 		(_tsval) = read_cntpct_el0();				\
 		CASSERT(sizeof(_tsval) == sizeof(unsigned long long), invalid_tsval_size);\
-		if ((_flags) & PMF_CACHE_MAINT)				\
+		if (((_flags) & PMF_CACHE_MAINT) != 0U)			\
 			pmf_capture_timestamp_with_cache_maint_ ## _name((_tid), (_tsval));\
 		else							\
 			pmf_capture_timestamp_ ## _name((_tid), (_tsval));\
@@ -87,7 +87,7 @@
 #define PMF_WRITE_TIMESTAMP(_name, _tid, _flags, _wrval)		\
 	do {								\
 		CASSERT(sizeof(_wrval) == sizeof(unsigned long long), invalid_wrval_size);\
-		if ((_flags) & PMF_CACHE_MAINT)				\
+		if (((_flags) & PMF_CACHE_MAINT) != 0U)			\
 			pmf_capture_timestamp_with_cache_maint_ ## _name((_tid), (_wrval));\
 		else							\
 			pmf_capture_timestamp_ ## _name((_tid), (_wrval));\
@@ -173,4 +173,4 @@ uintptr_t pmf_smc_handler(unsigned int smc_fid,
 		void *handle,
 		u_register_t flags);
 
-#endif /* __PMF_H__ */
+#endif /* PMF_H */

include/lib/pmf/pmf_helpers.h

@@ -4,8 +4,8 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef __PMF_HELPERS_H__
-#define __PMF_HELPERS_H__
+#ifndef PMF_HELPERS_H
+#define PMF_HELPERS_H
 
 #include <arch_helpers.h>
 #include <assert.h>
@@ -77,9 +77,9 @@ typedef struct pmf_svc_desc {
 		CASSERT(_flags, select_proper_config);			\
 		PMF_VALIDATE_TID(_name, tid);				\
 		uintptr_t base_addr = (uintptr_t) pmf_ts_mem_ ## _name;	\
-		if ((_flags) & PMF_STORE_ENABLE)			\
+		if (((_flags) & PMF_STORE_ENABLE) != 0)			\
 			__pmf_store_timestamp(base_addr, tid, ts);	\
-		if ((_flags) & PMF_DUMP_ENABLE)				\
+		if (((_flags) & PMF_DUMP_ENABLE) != 0)			\
 			__pmf_dump_timestamp(tid, ts);			\
 	}								\
 	void pmf_capture_timestamp_with_cache_maint_ ## _name(		\
@@ -92,9 +92,9 @@ typedef struct pmf_svc_desc {
 		CASSERT(_flags, select_proper_config);			\
 		PMF_VALIDATE_TID(_name, tid);				\
 		uintptr_t base_addr = (uintptr_t) pmf_ts_mem_ ## _name;	\
-		if ((_flags) & PMF_STORE_ENABLE)			\
+		if (((_flags) & PMF_STORE_ENABLE) != 0)			\
 			__pmf_store_timestamp_with_cache_maint(base_addr, tid, ts);\
-		if ((_flags) & PMF_DUMP_ENABLE)				\
+		if (((_flags) & PMF_DUMP_ENABLE) != 0)			\
 			__pmf_dump_timestamp(tid, ts);			\
 	}
 
@@ -159,4 +159,4 @@ unsigned long long __pmf_get_timestamp(uintptr_t base_addr,
 		unsigned int tid,
 		unsigned int cpuid,
 		unsigned int flags);
-#endif /* __PMF_HELPERS_H__ */
+#endif /* PMF_HELPERS_H */