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media: rcar-csi2: Switch to using fwnode instead of OF 

Use the fwnode_graph_get_endpoint_by_id() interface instead of
of_graph_get_endpoint_by_regs() to fetch the fwnode. This saves
translating between a device_node and fwnode_handle.

Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Niklas Söderlund 2020-09-14 23:50:10 +02:00 committed by Mauro Carvalho Chehab
parent 5b3ff3be48
commit 09e73bbd3e
1 changed files with 7 additions and 7 deletions
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14
drivers/media/platform/rcar-vin/rcar-csi2.c
View File

@ -876,31 +876,31 @@ static int rcsi2_parse_dt(struct rcar_csi2 *priv)
{
struct v4l2_async_subdev *asd;
struct fwnode_handle *fwnode;
struct device_node *ep;
struct fwnode_handle *ep;
struct v4l2_fwnode_endpoint v4l2_ep = { .bus_type = 0 };
int ret;
ep = of_graph_get_endpoint_by_regs(priv->dev->of_node, 0, 0);
ep = fwnode_graph_get_endpoint_by_id(dev_fwnode(priv->dev), 0, 0, 0);
if (!ep) {
dev_err(priv->dev, "Not connected to subdevice\n");
return -EINVAL;
}
ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(ep), &v4l2_ep);
ret = v4l2_fwnode_endpoint_parse(ep, &v4l2_ep);
if (ret) {
dev_err(priv->dev, "Could not parse v4l2 endpoint\n");
of_node_put(ep);
fwnode_handle_put(ep);
return -EINVAL;
}
ret = rcsi2_parse_v4l2(priv, &v4l2_ep);
if (ret) {
of_node_put(ep);
fwnode_handle_put(ep);
return ret;
}
fwnode = fwnode_graph_get_remote_endpoint(of_fwnode_handle(ep));
of_node_put(ep);
fwnode = fwnode_graph_get_remote_endpoint(ep);
fwnode_handle_put(ep);
dev_dbg(priv->dev, "Found '%pOF'\n", to_of_node(fwnode));