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Subject[PATCH v2 4/4] Docs: usb: update explanation for device_present to disconnected
Update text for `device_present` flag to `disconnected` flag

Signed-off-by: Philipp Hortmann <>
V1 -> V2: Corrected format of function name to skel_disconnect()
.../driver-api/usb/writing_usb_driver.rst | 14 ++++++--------
1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/Documentation/driver-api/usb/writing_usb_driver.rst b/Documentation/driver-api/usb/writing_usb_driver.rst
index b459f9e089e0..fa795b8d7eac 100644
--- a/Documentation/driver-api/usb/writing_usb_driver.rst
+++ b/Documentation/driver-api/usb/writing_usb_driver.rst
@@ -277,15 +277,13 @@ skel_delete() is an example of how to do this::

-If a program currently has an open handle to the device, we reset the
-flag ``device_present``. For every read, write, release and other
+If the driver probed the device successfully, the flag ``disconnected``
+is initialized and set to false. For every read, write and other
functions that expect a device to be present, the driver first checks
-this flag to see if the device is still present. If not, it releases
-that the device has disappeared, and a ``-ENODEV`` error is returned to the
-user-space program. When the release function is eventually called, it
-determines if there is no device and if not, it does the cleanup that
-the ``skel_disconnect`` function normally does if there are no open files
-on the device (see Listing 5).
+this flag to see if the device is still present. If not, a ``-ENODEV``
+error is returned to the user-space program. When the device is
+disconnected, skel_disconnect() is called. It sets ``disconnected``
+to true and cleans up.

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