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-rw-r--r--Documentation/userspace-api/gpio/obsolete.rst1
1 files changed, 1 insertions, 0 deletions
diff --git a/Documentation/userspace-api/gpio/obsolete.rst b/Documentation/userspace-api/gpio/obsolete.rst
index c27bd6014a3d..c42538b44ec8 100644
--- a/Documentation/userspace-api/gpio/obsolete.rst
+++ b/Documentation/userspace-api/gpio/obsolete.rst
@@ -7,4 +7,5 @@ Obsolete GPIO Userspace APIs
.. toctree::
:maxdepth: 1
+ Character Device Userspace API (v1) <chardev_v1>
Sysfs Interface <sysfs>