[PATCH v4 7/9] staging: media: atmel: use for_each_endpoint_of_node()

[Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>]

We already have for_each_endpoint_of_node(), don't use
of_graph_get_next_endpoint() directly. Replace it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
---
 .../staging/media/deprecated/atmel/atmel-sama5d2-isc.c | 10 +++-------
 .../staging/media/deprecated/atmel/atmel-sama7g5-isc.c | 10 +++-------
 2 files changed, 6 insertions(+), 14 deletions(-)

diff --git a/drivers/staging/media/deprecated/atmel/atmel-sama5d2-isc.c b/drivers/staging/media/deprecated/atmel/atmel-sama5d2-isc.c
index 31b2b48085c59..712f916f0935f 100644
--- a/drivers/staging/media/deprecated/atmel/atmel-sama5d2-isc.c
+++ b/drivers/staging/media/deprecated/atmel/atmel-sama5d2-isc.c
@@ -333,20 +333,16 @@ static const u32 isc_sama5d2_gamma_table[][GAMMA_ENTRIES] = {
 static int isc_parse_dt(struct device *dev, struct isc_device *isc)
 {
 	struct device_node *np = dev->of_node;
-	struct device_node *epn = NULL;
+	struct device_node *epn;
 	struct isc_subdev_entity *subdev_entity;
 	unsigned int flags;
-	int ret;
+	int ret = -EINVAL;
 
 	INIT_LIST_HEAD(&isc->subdev_entities);
 
-	while (1) {
+	for_each_endpoint_of_node(np, epn) {
 		struct v4l2_fwnode_endpoint v4l2_epn = { .bus_type = 0 };
 
-		epn = of_graph_get_next_endpoint(np, epn);
-		if (!epn)
-			return 0;
-
 		ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(epn),
 						 &v4l2_epn);
 		if (ret) {
diff --git a/drivers/staging/media/deprecated/atmel/atmel-sama7g5-isc.c b/drivers/staging/media/deprecated/atmel/atmel-sama7g5-isc.c
index 020034f631f57..9485167d5b7d7 100644
--- a/drivers/staging/media/deprecated/atmel/atmel-sama7g5-isc.c
+++ b/drivers/staging/media/deprecated/atmel/atmel-sama7g5-isc.c
@@ -316,23 +316,19 @@ static const u32 isc_sama7g5_gamma_table[][GAMMA_ENTRIES] = {
 static int xisc_parse_dt(struct device *dev, struct isc_device *isc)
 {
 	struct device_node *np = dev->of_node;
-	struct device_node *epn = NULL;
+	struct device_node *epn;
 	struct isc_subdev_entity *subdev_entity;
 	unsigned int flags;
-	int ret;
+	int ret = -EINVAL;
 	bool mipi_mode;
 
 	INIT_LIST_HEAD(&isc->subdev_entities);
 
 	mipi_mode = of_property_read_bool(np, "microchip,mipi-mode");
 
-	while (1) {
+	for_each_endpoint_of_node(np, epn) {
 		struct v4l2_fwnode_endpoint v4l2_epn = { .bus_type = 0 };
 
-		epn = of_graph_get_next_endpoint(np, epn);
-		if (!epn)
-			return 0;
-
 		ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(epn),
 						 &v4l2_epn);
 		if (ret) {
-- 
2.43.0