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-rw-r--r--arch/blackfin/mach-common/interrupt.S11
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/blackfin/mach-common/interrupt.S b/arch/blackfin/mach-common/interrupt.S
index b27e59d32401..4a2ec7a9675a 100644
--- a/arch/blackfin/mach-common/interrupt.S
+++ b/arch/blackfin/mach-common/interrupt.S
@@ -143,7 +143,7 @@ ENTRY(_evt_ivhw)
fp = 0;
#endif
-#if ANOMALY_05000283
+#if ANOMALY_05000283 || ANOMALY_05000315
cc = r7 == r7;
p5.h = HI(CHIPID);
p5.l = LO(CHIPID);
@@ -179,7 +179,16 @@ ENTRY(_evt_ivhw)
call _trap_c;
SP += 12;
+#ifdef EBIU_ERRMST
+ /* make sure EBIU_ERRMST is clear */
+ p0.l = LO(EBIU_ERRMST);
+ p0.h = HI(EBIU_ERRMST);
+ r0.l = (CORE_ERROR | CORE_MERROR);
+ w[p0] = r0.l;
+#endif
+
call _ret_from_exception;
+
.Lcommon_restore_all_sys:
RESTORE_ALL_SYS
rti;