ASoC: simple_card_utils: remove "option" from asoc_simple_card_of_parse_routing()

asoc_simple_card_of_parse_routing() had "option" parameter
to consider error handling, but it is very pointless parameter.
Let's remove it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

include/sound/simple_card_utils.h

@@ -121,8 +121,7 @@ void asoc_simple_card_parse_convert(struct device *dev,
 				    struct asoc_simple_card_data *data);
 
 int asoc_simple_card_of_parse_routing(struct snd_soc_card *card,
-				      char *prefix,
-				      int optional);
+				      char *prefix);
 int asoc_simple_card_of_parse_widgets(struct snd_soc_card *card,
 				      char *prefix);
 

sound/soc/generic/audio-graph-card.c

@@ -238,7 +238,7 @@ static int asoc_graph_card_parse_of(struct graph_card_data *priv)
 	if (ret < 0)
 		return ret;
 
-	ret = asoc_simple_card_of_parse_routing(card, NULL, 1);
+	ret = asoc_simple_card_of_parse_routing(card, NULL);
 	if (ret < 0)
 		return ret;
 

sound/soc/generic/audio-graph-scu-card.c

@@ -200,7 +200,7 @@ static int asoc_graph_card_parse_of(struct graph_card_data *priv)
 	 * see simple-card
 	 */
 
-	ret = asoc_simple_card_of_parse_routing(card, NULL, 0);
+	ret = asoc_simple_card_of_parse_routing(card, NULL);
 	if (ret < 0)
 		return ret;
 

sound/soc/generic/simple-card-utils.c

@@ -417,8 +417,7 @@ int asoc_simple_card_clean_reference(struct snd_soc_card *card)
 EXPORT_SYMBOL_GPL(asoc_simple_card_clean_reference);
 
 int asoc_simple_card_of_parse_routing(struct snd_soc_card *card,
-				      char *prefix,
-				      int optional)
+				      char *prefix)
 {
 	struct device_node *node = card->dev->of_node;
 	char prop[128];
@@ -428,11 +427,8 @@ int asoc_simple_card_of_parse_routing(struct snd_soc_card *card,
 
 	snprintf(prop, sizeof(prop), "%s%s", prefix, "routing");
 
-	if (!of_property_read_bool(node, prop)) {
-		if (optional)
-			return 0;
-		return -EINVAL;
-	}
+	if (!of_property_read_bool(node, prop))
+		return 0;
 
 	return snd_soc_of_parse_audio_routing(card, prop);
 }

sound/soc/generic/simple-card.c

@@ -300,7 +300,7 @@ static int asoc_simple_card_parse_of(struct simple_card_data *priv)
 	if (ret < 0)
 		goto card_parse_end;
 
-	ret = asoc_simple_card_of_parse_routing(card, PREFIX, 1);
+	ret = asoc_simple_card_of_parse_routing(card, PREFIX);
 	if (ret < 0)
 		goto card_parse_end;
 

sound/soc/generic/simple-scu-card.c

@@ -198,7 +198,7 @@ static int asoc_simple_card_parse_of(struct simple_card_data *priv)
 	if (ret < 0)
 		return ret;
 
-	ret = asoc_simple_card_of_parse_routing(card, PREFIX, 0);
+	ret = asoc_simple_card_of_parse_routing(card, PREFIX);
 	if (ret < 0)
 		return ret;