[PATCH v8 9/9] media: xilinx-tpg: use new of_graph functions

[Kuninori Morimoto]

Now we can use new port related functions for port parsing. Use it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto...@renesas.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen+rene...@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ai...@linux.intel.com>
---
 drivers/media/platform/xilinx/xilinx-tpg.c | 14 +++-----------
 1 file changed, 3 insertions(+), 11 deletions(-)

diff --git a/drivers/media/platform/xilinx/xilinx-tpg.c 
b/drivers/media/platform/xilinx/xilinx-tpg.c
index e05e528ffc6f7..1d67f576a44ff 100644
--- a/drivers/media/platform/xilinx/xilinx-tpg.c
+++ b/drivers/media/platform/xilinx/xilinx-tpg.c
@@ -13,6 +13,7 @@
 #include <linux/gpio/consumer.h>
 #include <linux/module.h>
 #include <linux/of.h>
+#include <linux/of_graph.h>
 #include <linux/platform_device.h>
 #include <linux/xilinx-v4l2-controls.h>
 
@@ -711,22 +712,13 @@ static int xtpg_parse_of(struct xtpg_device *xtpg)
 {
        struct device *dev = xtpg->xvip.dev;
        struct device_node *node = xtpg->xvip.dev->of_node;
-       struct device_node *ports;
-       struct device_node *port;
        unsigned int nports = 0;
        bool has_endpoint = false;
 
-       ports = of_get_child_by_name(node, "ports");
-       if (ports == NULL)
-               ports = node;
-
-       for_each_child_of_node(ports, port) {
+       for_each_of_graph_port(node, port) {
                const struct xvip_video_format *format;
                struct device_node *endpoint;
 
-               if (!of_node_name_eq(port, "port"))
-                       continue;
-
                format = xvip_of_get_format(port);
                if (IS_ERR(format)) {
                        dev_err(dev, "invalid format in DT");
@@ -744,7 +736,7 @@ static int xtpg_parse_of(struct xtpg_device *xtpg)
                }
 
                if (nports == 0) {
-                       endpoint = of_get_next_child(port, NULL);
+                       endpoint = of_graph_get_next_port_endpoint(port, NULL);
                        if (endpoint)
                                has_endpoint = true;
                        of_node_put(endpoint);
-- 
2.43.0