[U-Boot] [PATCH 2/6] sh4: cache: correct flush_cache() to writeback and invalidate
Vladimir Zapolskiy
vz at mleia.com
Mon Aug 8 20:13:18 CEST 2016
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 at mleia.com>
---
arch/sh/cpu/sh4/cpu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
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)
--
2.8.1
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