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armv7m: cache: add mmu_set_region_dcache_behaviour() stub for compatibility

Since some driver requires this function add it as an empty stub
when DCACHE is OFF.

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Giulio Benetti 4 years ago
parent
commit
e403316634
1 changed files with 6 additions and 0 deletions
  1. 6 0
      arch/arm/cpu/armv7m/cache.c

+ 6 - 0
arch/arm/cpu/armv7m/cache.c

@@ -291,6 +291,12 @@ void flush_dcache_all(void)
 void invalidate_dcache_all(void)
 {
 }
+
+void mmu_set_region_dcache_behaviour(phys_addr_t start, size_t size,
+				     enum dcache_option option)
+{
+}
+
 #endif
 
 #if !CONFIG_IS_ENABLED(SYS_ICACHE_OFF)