reset_source: use instance = -1 as default

As with platform device id (does someone still remember?) 0 might be a
valid id. So use -1 for "unknown" or "doesn't apply" instead of 0.

Also don't pass the instance to the device tree if negative. (This ends
up as 0xffffffff otherwise.)

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/reset_source.h b/include/reset_source.h
index 13bc3bcfde..2848a91115 100644
--- a/include/reset_source.h
+++ b/include/reset_source.h
@@ -49,7 +49,7 @@ static inline enum reset_src_type reset_source_get(void)
 
 static inline int reset_source_get_instance(void)
 {
-	return 0;
+	return -1;
 }
 
 static inline unsigned int of_get_reset_source_priority(struct device_node *node)