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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2009-12-02 23:38:13 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2009-12-02 23:38:13 -0800
commit467832032cc07626880363efa8625719c16c04eb (patch)
treeee9a62c04f0b3106e412bc1b2dd1cea5566d5ca7 /arch/blackfin/mach-bf561/atomic.S
parent66d2a5952eab875f1286e04f738ef029afdaf013 (diff)
parent22763c5cf3690a681551162c15d34d935308c8d7 (diff)
Merge commit 'v2.6.32' into next
Diffstat (limited to 'arch/blackfin/mach-bf561/atomic.S')
-rw-r--r--arch/blackfin/mach-bf561/atomic.S14
1 files changed, 12 insertions, 2 deletions
diff --git a/arch/blackfin/mach-bf561/atomic.S b/arch/blackfin/mach-bf561/atomic.S
index 0261a5e751b3..f99f174b129f 100644
--- a/arch/blackfin/mach-bf561/atomic.S
+++ b/arch/blackfin/mach-bf561/atomic.S
@@ -19,6 +19,16 @@
\reg\().h = _corelock;
.endm
+.macro safe_testset addr:req, scratch:req
+#if ANOMALY_05000477
+ cli \scratch;
+ testset (\addr);
+ sti \scratch;
+#else
+ testset (\addr);
+#endif
+.endm
+
/*
* r0 = address of atomic data to flush and invalidate (32bit).
*
@@ -33,7 +43,7 @@ ENTRY(_get_core_lock)
cli r0;
coreslot_loadaddr p0;
.Lretry_corelock:
- testset (p0);
+ safe_testset p0, r2;
if cc jump .Ldone_corelock;
SSYNC(r2);
jump .Lretry_corelock
@@ -56,7 +66,7 @@ ENTRY(_get_core_lock_noflush)
cli r0;
coreslot_loadaddr p0;
.Lretry_corelock_noflush:
- testset (p0);
+ safe_testset p0, r2;
if cc jump .Ldone_corelock_noflush;
SSYNC(r2);
jump .Lretry_corelock_noflush