Documentation: driver-api: usb: Limit toctree depth

toctree index in USB driver api docs currently spoils the entire docs
headings due to lack of :maxdepth: option. Add the option to limit
toctree depth to 1, mirroring usb subsystem docs in
Documentation/usb/index.rst.

Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250820050416.25219-1-bagasdotme@gmail.com

diff --git a/Documentation/driver-api/usb/index.rst b/Documentation/driver-api/usb/index.rst
index cfa8797..fcb24d0 100644 (file)
--- a/Documentation/driver-api/usb/index.rst
+++ b/Documentation/driver-api/usb/index.rst
@@ -3,6 +3,7 @@ Linux USB API
 =============
 
 .. toctree::
+   :maxdepth: 1
 
    usb
    gadget