[PATCH 3/7] sh: Implement a default flush_dcache_all

[Tom Rini]

Implement a weak default version of flush_dcache_all which is based on
the ARM default, which is to flush the entire range via
flush_dcache_range(...).

Signed-off-by: Tom Rini <trini at konsulko.com>
---
Cc: Marek Vasut <marex at denx.de>
Cc: Nobuhiro Iwamatsu <iwamatsu at nigauri.org>
---
 arch/sh/cpu/sh4/cache.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/sh/cpu/sh4/cache.c b/arch/sh/cpu/sh4/cache.c
index 8c1839935ca1..f0cb39d6a923 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;
-- 
2.34.1