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media: v4l: fwnode: Let the caller provide V4L2 fwnode endpoint

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Instead of allocating the V4L2 fwnode endpoint in
v4l2_fwnode_endpoint_alloc_parse, let the caller to do this. This allows
setting default parameters for the endpoint which is a very common need
for drivers.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Tested-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Tested-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Sakari Ailus
2018-06-02 12:19:35 -04:00
committed by Mauro Carvalho Chehab
parent 2d95e7ed07
commit 6970d37cc9
5 changed files with 60 additions and 65 deletions
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14
drivers/media/i2c/ov2659.c
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@@ -1347,8 +1347,9 @@ static struct ov2659_platform_data *
ov2659_get_pdata(struct i2c_client *client)
{
struct ov2659_platform_data *pdata;
struct v4l2_fwnode_endpoint *bus_cfg;
struct v4l2_fwnode_endpoint bus_cfg = { .bus_type = 0 };
struct device_node *endpoint;
int ret;
if (!IS_ENABLED(CONFIG_OF) || !client->dev.of_node)
return client->dev.platform_data;
@@ -1357,8 +1358,9 @@ ov2659_get_pdata(struct i2c_client *client)
if (!endpoint)
return NULL;
bus_cfg = v4l2_fwnode_endpoint_alloc_parse(of_fwnode_handle(endpoint));
if (IS_ERR(bus_cfg)) {
ret = v4l2_fwnode_endpoint_alloc_parse(of_fwnode_handle(endpoint),
&bus_cfg);
if (ret) {
pdata = NULL;
goto done;
}
@@ -1367,17 +1369,17 @@ ov2659_get_pdata(struct i2c_client *client)
if (!pdata)
goto done;
if (!bus_cfg->nr_of_link_frequencies) {
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];
pdata->link_frequency = bus_cfg.link_frequencies[0];
done:
v4l2_fwnode_endpoint_free(bus_cfg);
v4l2_fwnode_endpoint_free(&bus_cfg);
of_node_put(endpoint);
return pdata;
}