The driver field in struct maple_device is no longer used since commit 1795cf48b322 ("sh/maple: clean maple bus code") which removed the reading of this field. Remove the unused assignment to mdev->driver and the now unused mdrv variable in probe_maple_mouse. Assisted-by: Antigravity:gemini-3.5-flash Link: https://patch.msgid.link/20260703-b4-maple-cleanup-v1-11-41e424964da5@gmail.com Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>