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-rw-r--r--arch/blackfin/mach-bf561/atomic.S5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/blackfin/mach-bf561/atomic.S b/arch/blackfin/mach-bf561/atomic.S
index f99f174b129f..52d6f73fcced 100644
--- a/arch/blackfin/mach-bf561/atomic.S
+++ b/arch/blackfin/mach-bf561/atomic.S
@@ -49,6 +49,7 @@ ENTRY(_get_core_lock)
jump .Lretry_corelock
.Ldone_corelock:
p0 = r1;
+ /* flush core internal write buffer before invalidate dcache */
CSYNC(r2);
flushinv[p0];
SSYNC(r2);
@@ -685,6 +686,8 @@ ENTRY(___raw_atomic_test_asm)
r1 = -L1_CACHE_BYTES;
r1 = r0 & r1;
p0 = r1;
+ /* flush core internal write buffer before invalidate dcache */
+ CSYNC(r2);
flushinv[p0];
SSYNC(r2);
r0 = [p1];
@@ -907,6 +910,8 @@ ENTRY(___raw_uncached_fetch_asm)
r1 = -L1_CACHE_BYTES;
r1 = r0 & r1;
p0 = r1;
+ /* flush core internal write buffer before invalidate dcache */
+ CSYNC(r2);
flushinv[p0];
SSYNC(r2);
r0 = [p1];