Re:[PATCH v2] media:v4l2-async:add debugfs under CONFIG_DEBUG_FS

["luo.liu.linux" <luo.liu.linux@163.com>]

 
 Hello Sakari and Mauro，
  
     Gentle ping ....


At 2026-01-21 11:14:56, "luo.liu" <luo.liu.linux@163.com> wrote:
>All debugfs-related code is guarded by CONFIG_DEBUG_FS to avoid
>bloating the kernel when debugfs is disabled.
>
>Signed-off-by: luo.liu <luo.liu.linux@163.com>
>---
> drivers/media/v4l2-core/v4l2-async.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
>diff --git a/drivers/media/v4l2-core/v4l2-async.c b/drivers/media/v4l2-core/v4l2-async.c
>index 1c08bba9ecb9..f6a1a57149ba 100644
>--- a/drivers/media/v4l2-core/v4l2-async.c
>+++ b/drivers/media/v4l2-core/v4l2-async.c
>@@ -947,6 +947,7 @@ v4l2_async_nf_name(struct v4l2_async_notifier *notifier)
> 		return "nil";
> }
> 
>+#ifdef CONFIG_DEBUG_FS
> static int pending_subdevs_show(struct seq_file *s, void *data)
> {
> 	struct v4l2_async_notifier *notif;
>@@ -967,20 +968,25 @@ static int pending_subdevs_show(struct seq_file *s, void *data)
> DEFINE_SHOW_ATTRIBUTE(pending_subdevs);
> 
> static struct dentry *v4l2_async_debugfs_dir;
>+#endif
> 
> static int __init v4l2_async_init(void)
> {
>+#ifdef CONFIG_DEBUG_FS
> 	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);
> 
>+#endif
> 	return 0;
> }
> 
> static void __exit v4l2_async_exit(void)
> {
>+#ifdef CONFIG_DEBUG_FS
> 	debugfs_remove_recursive(v4l2_async_debugfs_dir);
>+#endif
> }
> 
> subsys_initcall(v4l2_async_init);
>
>base-commit: d08c85ac8894995d4b0d8fb48d2f6a3e53cd79ab
>-- 
>2.25.1