diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-async.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/media/v4l2-core/v4l2-async.c b/drivers/media/v4l2-core/v4l2-async.c index 96cc733..ff32f95 100644 --- a/drivers/media/v4l2-core/v4l2-async.c +++ b/drivers/media/v4l2-core/v4l2-async.c @@ -14,6 +14,7 @@ #include <linux/list.h> #include <linux/module.h> #include <linux/mutex.h> +#include <linux/of.h> #include <linux/platform_device.h> #include <linux/slab.h> #include <linux/types.h> @@ -46,6 +47,16 @@ static bool match_of(struct v4l2_subdev *sd, struct v4l2_async_subdev *asd) of_node_full_name(asd->match.of.node)); } +static bool match_fwnode(struct v4l2_subdev *sd, struct v4l2_async_subdev *asd) +{ + if (!is_of_node(sd->fwnode) || !is_of_node(asd->match.fwnode.fwnode)) + return sd->fwnode == asd->match.fwnode.fwnode; + + return !of_node_cmp(of_node_full_name(to_of_node(sd->fwnode)), + of_node_full_name( + to_of_node(asd->match.fwnode.fwnode))); +} + static bool match_custom(struct v4l2_subdev *sd, struct v4l2_async_subdev *asd) { if (!asd->match.custom.match) @@ -80,6 +91,9 @@ static struct v4l2_async_subdev *v4l2_async_belongs(struct v4l2_async_notifier * case V4L2_ASYNC_MATCH_OF: match = match_of; break; + case V4L2_ASYNC_MATCH_FWNODE: + match = match_fwnode; + break; default: /* Cannot happen, unless someone breaks us */ WARN_ON(true); @@ -158,6 +172,7 @@ int v4l2_async_notifier_register(struct v4l2_device *v4l2_dev, case V4L2_ASYNC_MATCH_DEVNAME: case V4L2_ASYNC_MATCH_I2C: case V4L2_ASYNC_MATCH_OF: + case V4L2_ASYNC_MATCH_FWNODE: break; default: dev_err(notifier->v4l2_dev ? notifier->v4l2_dev->dev : NULL, |
