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-rw-r--r--arch/arm/mach-s3c2410/pm.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c2410/pm.c b/arch/arm/mach-s3c2410/pm.c
index fe57d966a34..43e9a550a20 100644
--- a/arch/arm/mach-s3c2410/pm.c
+++ b/arch/arm/mach-s3c2410/pm.c
@@ -58,7 +58,11 @@ unsigned long s3c_pm_flags;
/* cache functions from arch/arm/mm/proc-arm920.S */
+#ifndef CONFIG_CPU_DCACHE_WRITETHROUGH
extern void arm920_flush_kern_cache_all(void);
+#else
+static void arm920_flush_kern_cache_all(void) { }
+#endif
#define PFX "s3c24xx-pm: "