Blackfin: workaround anomaly 05000283
Make sure our interrupt entry code with exact hardware errors handles
anomaly 05000283 (infinite stall in system MMR kill) so we don't stall
while under load.
Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/arch/blackfin/mach-common/entry.S b/arch/blackfin/mach-common/entry.S
index a9b15aa..01af24c 100644
--- a/arch/blackfin/mach-common/entry.S
+++ b/arch/blackfin/mach-common/entry.S
@@ -513,14 +513,7 @@
ssync;
#endif
-#if ANOMALY_05000283 || ANOMALY_05000315
- cc = r7 == r7;
- p5.h = HI(CHIPID);
- p5.l = LO(CHIPID);
- if cc jump 1f;
- r7.l = W[p5];
-1:
-#endif
+ ANOMALY_283_315_WORKAROUND(p5, r7)
#ifdef CONFIG_DEBUG_DOUBLEFAULT
/*
@@ -1134,14 +1127,7 @@
SAVE_ALL_SYS
trace_buffer_stop(p0,r0);
-#if ANOMALY_05000283 || ANOMALY_05000315
- cc = r5 == r5;
- p4.h = HI(CHIPID);
- p4.l = LO(CHIPID);
- if cc jump 1f;
- r5.l = W[p4];
-1:
-#endif
+ ANOMALY_283_315_WORKAROUND(p4, r5)
/* Turn caches off, to ensure we don't get double exceptions */