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-rw-r--r--arch/sh/cpu/sh4/cache.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/sh/cpu/sh4/cache.c b/arch/sh/cpu/sh4/cache.c
index 8c1839935ca..f0cb39d6a92 100644
--- a/arch/sh/cpu/sh4/cache.c
+++ b/arch/sh/cpu/sh4/cache.c
@@ -65,6 +65,15 @@ void flush_dcache_range(unsigned long start, unsigned long end)
}
}
+/*
+ * Default implementation:
+ * do a range flush for the entire range
+ */
+void flush_dcache_all(void)
+{
+ flush_dcache_range(0, ~0);
+}
+
void invalidate_dcache_range(unsigned long start, unsigned long end)
{
u32 v;