--- zzzz-none-000/linux-4.1.38/include/linux/u64_stats_sync.h	2017-01-18 18:48:06.000000000 +0000
+++ bcm63-7582-715/linux-4.1.38/include/linux/u64_stats_sync.h	2020-11-25 10:06:48.000000000 +0000
@@ -74,21 +74,21 @@
 # define u64_stats_init(syncp)	do { } while (0)
 #endif
 
-static inline void u64_stats_update_begin(struct u64_stats_sync *syncp)
+static inline void u64_stats_update_begin(struct u64_stats_sync *syncp __attribute__((unused)))
 {
 #if BITS_PER_LONG==32 && defined(CONFIG_SMP)
 	write_seqcount_begin(&syncp->seq);
 #endif
 }
 
-static inline void u64_stats_update_end(struct u64_stats_sync *syncp)
+static inline void u64_stats_update_end(struct u64_stats_sync *syncp __attribute__((unused)))
 {
 #if BITS_PER_LONG==32 && defined(CONFIG_SMP)
 	write_seqcount_end(&syncp->seq);
 #endif
 }
 
-static inline unsigned int u64_stats_fetch_begin(const struct u64_stats_sync *syncp)
+static inline unsigned int u64_stats_fetch_begin(const struct u64_stats_sync *syncp __attribute__((unused)))
 {
 #if BITS_PER_LONG==32 && defined(CONFIG_SMP)
 	return read_seqcount_begin(&syncp->seq);
@@ -100,8 +100,8 @@
 #endif
 }
 
-static inline bool u64_stats_fetch_retry(const struct u64_stats_sync *syncp,
-					 unsigned int start)
+static inline bool u64_stats_fetch_retry(const struct u64_stats_sync *syncp __attribute__((unused)),
+					 unsigned int start __attribute__((unused)))
 {
 #if BITS_PER_LONG==32 && defined(CONFIG_SMP)
 	return read_seqcount_retry(&syncp->seq, start);
@@ -119,7 +119,7 @@
  * - UP 32bit must disable irqs.
  * - 64bit have no problem atomically reading u64 values, irq safe.
  */
-static inline unsigned int u64_stats_fetch_begin_irq(const struct u64_stats_sync *syncp)
+static inline unsigned int u64_stats_fetch_begin_irq(const struct u64_stats_sync *syncp __attribute__((unused)))
 {
 #if BITS_PER_LONG==32 && defined(CONFIG_SMP)
 	return read_seqcount_begin(&syncp->seq);
@@ -131,8 +131,8 @@
 #endif
 }
 
-static inline bool u64_stats_fetch_retry_irq(const struct u64_stats_sync *syncp,
-					 unsigned int start)
+static inline bool u64_stats_fetch_retry_irq(const struct u64_stats_sync *syncp __attribute__((unused)),
+					 unsigned int start __attribute__((unused)))
 {
 #if BITS_PER_LONG==32 && defined(CONFIG_SMP)
 	return read_seqcount_retry(&syncp->seq, start);