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| author | Sakari Ailus <sakari.ailus@linux.intel.com> | 2021-03-05 18:38:39 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2021-06-02 11:46:27 +0200 |
| commit | ff3cc65cadb5d7333fde557b38cbb60b3a6cf496 (patch) | |
| tree | c5b0b3e983962711a05929d43eeb4eec99921823 /drivers/media/v4l2-core/v4l2-async.c | |
| parent | 1cb13613735a15b994b680ae5ef18aaf79108b95 (diff) | |
| download | linux-ff3cc65cadb5d7333fde557b38cbb60b3a6cf496.tar.bz2 | |
media: v4l: async, fwnode: Improve module organisation
The V4L2 async framework is generally used with the V4L2 fwnode, which
also depends on the former. There are a few exceptions but they are
relatively few.
At the same time there is a vast number of systems that need videodev
module, but have no use for v4l2-async that's now part of videodev.
In order to improve, split the v4l2-async into its own module. Selecting
V4L2_FWNODE also selects V4L2_ASYNC.
This also moves the initialisation of the debufs entries for async subdevs
to loading of the v4l2-async module. The directory is named as
"v4l2-async".
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers/media/v4l2-core/v4l2-async.c')
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-async.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/drivers/media/v4l2-core/v4l2-async.c b/drivers/media/v4l2-core/v4l2-async.c index e638aa8aecb7..cd9e78c63791 100644 --- a/drivers/media/v4l2-core/v4l2-async.c +++ b/drivers/media/v4l2-core/v4l2-async.c @@ -854,8 +854,27 @@ static int pending_subdevs_show(struct seq_file *s, void *data) } DEFINE_SHOW_ATTRIBUTE(pending_subdevs); -void v4l2_async_debug_init(struct dentry *debugfs_dir) +static struct dentry *v4l2_async_debugfs_dir; + +static int __init v4l2_async_init(void) { - debugfs_create_file("pending_async_subdevices", 0444, debugfs_dir, NULL, + v4l2_async_debugfs_dir = debugfs_create_dir("v4l2-async", NULL); + debugfs_create_file("pending_async_subdevices", 0444, + v4l2_async_debugfs_dir, NULL, &pending_subdevs_fops); + + return 0; +} + +static void __exit v4l2_async_exit(void) +{ + debugfs_remove_recursive(v4l2_async_debugfs_dir); } + +subsys_initcall(v4l2_async_init); +module_exit(v4l2_async_exit); + +MODULE_AUTHOR("Guennadi Liakhovetski <g.liakhovetski@gmx.de>"); +MODULE_AUTHOR("Sakari Ailus <sakari.ailus@linux.intel.com>"); +MODULE_AUTHOR("Ezequiel Garcia <ezequiel@collabora.com>"); +MODULE_LICENSE("GPL"); |