--- zzzz-none-000/linux-4.1.38/arch/arm/include/asm/glue-cache.h	2017-01-18 18:48:06.000000000 +0000
+++ bcm63-7582-715/linux-4.1.38/arch/arm/include/asm/glue-cache.h	2020-11-25 10:06:48.000000000 +0000
@@ -134,18 +134,18 @@
 static inline void nop_flush_kern_cache_all(void) { }
 static inline void nop_flush_kern_cache_louis(void) { }
 static inline void nop_flush_user_cache_all(void) { }
-static inline void nop_flush_user_cache_range(unsigned long a,
-		unsigned long b, unsigned int c) { }
+static inline void nop_flush_user_cache_range(unsigned long a __maybe_unused,
+		unsigned long b __maybe_unused, unsigned int c __maybe_unused) { }
 
-static inline void nop_coherent_kern_range(unsigned long a, unsigned long b) { }
-static inline int nop_coherent_user_range(unsigned long a,
-		unsigned long b) { return 0; }
-static inline void nop_flush_kern_dcache_area(void *a, size_t s) { }
+static inline void nop_coherent_kern_range(unsigned long a __maybe_unused, unsigned long b __maybe_unused) { }
+static inline int nop_coherent_user_range(unsigned long a __maybe_unused,
+		unsigned long b __maybe_unused) { return 0; }
+static inline void nop_flush_kern_dcache_area(void *a __maybe_unused, size_t s __maybe_unused) { }
 
-static inline void nop_dma_flush_range(const void *a, const void *b) { }
+static inline void nop_dma_flush_range(const void *a __maybe_unused, const void *b __maybe_unused) { }
 
-static inline void nop_dma_map_area(const void *s, size_t l, int f) { }
-static inline void nop_dma_unmap_area(const void *s, size_t l, int f) { }
+static inline void nop_dma_map_area(const void *s __maybe_unused, size_t l __maybe_unused, int f __maybe_unused) { }
+static inline void nop_dma_unmap_area(const void *s __maybe_unused, size_t l __maybe_unused, int f __maybe_unused) { }
 #endif
 
 #ifndef MULTI_CACHE