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[U-Boot,2/6] sh4: cache: correct flush_cache() to writeback and invalidate

Message ID 1470680002-16354-3-git-send-email-vz@mleia.com
State Accepted
Commit 0f62bf633f287b8e9af1384d0ef1857fc5e8363e
Delegated to: Nobuhiro Iwamatsu
Headers show

Commit Message

Vladimir Zapolskiy Aug. 8, 2016, 6:13 p.m. UTC
In common usecases flush_cache() assumes both cache invalidation and
write-back to memory, instead of doing cache invalidation only with
the wrapped 'ocbi' instruction pin flush_cache() to cache invalidation
with memory write-back done by 'ocbp'.

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
---
 arch/sh/cpu/sh4/cpu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/arch/sh/cpu/sh4/cpu.c b/arch/sh/cpu/sh4/cpu.c
index e8ee0a4..e6b5c86 100644
--- a/arch/sh/cpu/sh4/cpu.c
+++ b/arch/sh/cpu/sh4/cpu.c
@@ -37,7 +37,7 @@  int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 
 void flush_cache (unsigned long addr, unsigned long size)
 {
-	invalidate_dcache_range(addr , addr + size);
+	flush_dcache_range(addr , addr + size);
 }
 
 void icache_enable (void)