[media] media: i2c: ov2659: Use v4l2_of_alloc_parse_endpoint()

Instead of parsing the link-frequencies property in the driver, let
v4l2_of_alloc_parse_endpoint() do it.

Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Acked-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

diff --git a/drivers/media/i2c/ov2659.c b/drivers/media/i2c/ov2659.c
index d700a1d0a6f2a9615d0725502ce24278e71c9563..c8615f7f262700471d536790a191224fed76e39c 100644 (file)
--- a/drivers/media/i2c/ov2659.c
+++ b/drivers/media/i2c/ov2659.c
@@ -1340,8 +1340,8 @@ static struct ov2659_platform_data *
 ov2659_get_pdata(struct i2c_client *client)
 {
        struct ov2659_platform_data *pdata;
+       struct v4l2_of_endpoint *bus_cfg;
        struct device_node *endpoint;
-       int ret;
 
        if (!IS_ENABLED(CONFIG_OF) || !client->dev.of_node)
                return client->dev.platform_data;
@@ -1350,18 +1350,27 @@ ov2659_get_pdata(struct i2c_client *client)
        if (!endpoint)
                return NULL;
 
+       bus_cfg = v4l2_of_alloc_parse_endpoint(endpoint);
+       if (IS_ERR(bus_cfg)) {
+               pdata = NULL;
+               goto done;
+       }
+
        pdata = devm_kzalloc(&client->dev, sizeof(*pdata), GFP_KERNEL);
        if (!pdata)
                goto done;
 
-       ret = of_property_read_u64(endpoint, "link-frequencies",
-                                  &pdata->link_frequency);
-       if (ret) {
-               dev_err(&client->dev, "link-frequencies property not found\n");
+       if (!bus_cfg->nr_of_link_frequencies) {
+               dev_err(&client->dev,
+                       "link-frequencies property not found or too many\n");
                pdata = NULL;
+               goto done;
        }
 
+       pdata->link_frequency = bus_cfg->link_frequencies[0];
+
 done:
+       v4l2_of_free_endpoint(bus_cfg);
        of_node_put(endpoint);
        return pdata;
 }