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/interrupt.S b/arch/blackfin/mach-common/interrupt.S
index c754ff7..82d417e 100644
--- a/arch/blackfin/mach-common/interrupt.S
+++ b/arch/blackfin/mach-common/interrupt.S
@@ -119,14 +119,8 @@
fp = 0;
#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)
+
r1 = sp;
SP += -12;
#ifdef CONFIG_IPIPE
@@ -158,14 +152,7 @@
fp = 0;
#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)
/* Handle all stacked hardware errors
* To make sure we don't hang forever, only do it 10 times