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-rw-r--r--arch/arm/cpu/cache.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/cpu/cache.c b/arch/arm/cpu/cache.c
index f4781fe3b3..2b6e958a4e 100644
--- a/arch/arm/cpu/cache.c
+++ b/arch/arm/cpu/cache.c
@@ -4,6 +4,8 @@
#include <asm/cache.h>
#include <asm/system_info.h>
+#include "mmu.h"
+
struct cache_fns {
void (*dma_clean_range)(unsigned long start, unsigned long end);
void (*dma_flush_range)(unsigned long start, unsigned long end);
@@ -55,6 +57,8 @@ void __dma_inv_range(unsigned long start, unsigned long end)
cache_fns->dma_inv_range(start, end);
}
+#ifdef CONFIG_MMU
+
void __mmu_cache_on(void)
{
if (cache_fns)
@@ -75,6 +79,8 @@ void __mmu_cache_flush(void)
outer_cache.flush_all();
}
+#endif
+
int arm_set_cache_functions(void)
{
switch (cpu_architecture()) {