From 3ebf0494244fb19707818f2611d122d44968113b Mon Sep 17 00:00:00 2001
From: Uwe Bonnes <bon@elektron.ikp.physik.tu-darmstadt.de>
Date: Mon, 10 Sep 2018 22:18:27 +0200
Subject: [PATCH] cortexm: Only force halt before probe if idcode is unknown
 and ROM TABLE unreadable.

---
 src/target/cortexm.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/target/cortexm.c b/src/target/cortexm.c
index 891b2bd..5c7502f 100644
--- a/src/target/cortexm.c
+++ b/src/target/cortexm.c
@@ -323,7 +323,11 @@ bool cortexm_probe(ADIv5_AP_t *ap, bool forced)
 		target_check_error(t);
 	}
 
-	if (forced)
+	/* Only force halt if read ROM Table failed and there is no DPv2
+	 * targetid!
+	 * So long, only STM32L0 is expected to enter this cause.
+	 */
+	if (forced && !ap->dp->targetid)
 		if (!cortexm_forced_halt(t))
 			return false;