From b557ec3a057ab094e66aec0a8f8b0a5810125846 Mon Sep 17 00:00:00 2001
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Fri, 24 Sep 2021 14:23:06 +1000
Subject: [PATCH] mw_debug: Default to jtag backend if unspecified

It avoids typing it all the time

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 scripts/mw_debug/mw_debug.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/scripts/mw_debug/mw_debug.c b/scripts/mw_debug/mw_debug.c
index d9fe749..30803e5 100644
--- a/scripts/mw_debug/mw_debug.c
+++ b/scripts/mw_debug/mw_debug.c
@@ -744,10 +744,8 @@ int main(int argc, char *argv[])
 		}
 	}
 
-	if (b == NULL) {
-		fprintf(stderr, "No backend selected\n");
-		exit(1);
-	}
+	if (b == NULL)
+		b = &jtag_backend;
 
 	rc = b->init(target);
 	if (rc < 0)