Change the beginning "/**" in the file to "/*" since it is not a kernel-doc comment. This prevents a kernel-doc warning: drivers/input/misc/cpcap-pwrbutton.c:2: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * CPCAP Power Button Input Driver Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Cc: Sebastian Reichel <sre@xxxxxxxxxx> Cc: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx> Cc: linux-input@xxxxxxxxxxxxxxx --- drivers/input/misc/cpcap-pwrbutton.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff -- a/drivers/input/misc/cpcap-pwrbutton.c b/drivers/input/misc/cpcap-pwrbutton.c --- a/drivers/input/misc/cpcap-pwrbutton.c +++ b/drivers/input/misc/cpcap-pwrbutton.c @@ -1,4 +1,4 @@ -/** +/* * CPCAP Power Button Input Driver * * Copyright (C) 2017 Sebastian Reichel <sre@xxxxxxxxxx>