Blackfin: fix anomaly 283 handling with exact hardware error
The exact hardware error handling code was added before the workaround
for anomaly 283 which caused the anomaly to be triggered in some cases
(an infinite core stall). So re-order the code to avoid this.
Reported-by: Andrew Rook <andrew.rook@speakerbus.co.uk>
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 6c20044..a5847f5 100644
--- a/arch/blackfin/mach-common/entry.S
+++ b/arch/blackfin/mach-common/entry.S
@@ -482,6 +482,8 @@
[--sp] = ASTAT;
[--sp] = (R7:6,P5:4);
+ ANOMALY_283_315_WORKAROUND(p5, r7)
+
#ifdef CONFIG_EXACT_HWERR
/* Make sure all pending read/writes complete. This will ensure any
* accesses which could cause hardware errors completes, and signal
@@ -492,8 +494,6 @@
ssync;
#endif
- ANOMALY_283_315_WORKAROUND(p5, r7)
-
#ifdef CONFIG_DEBUG_DOUBLEFAULT
/*
* Save these registers, as they are only valid in exception context