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-rw-r--r--arch/blackfin/mach-common/interrupt.S9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/blackfin/mach-common/interrupt.S b/arch/blackfin/mach-common/interrupt.S
index 647f0f522910..4a2ec7a9675a 100644
--- a/arch/blackfin/mach-common/interrupt.S
+++ b/arch/blackfin/mach-common/interrupt.S
@@ -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;