The XHCI_DEBUG option is missing in the options(4) manpage. Proposal is added below.
Index: options.4 =================================================================== RCS file: /cvs/src/share/man/man4/options.4,v retrieving revision 1.239 diff -u -p -r1.239 options.4 --- options.4 21 Jan 2015 02:23:14 -0000 1.239 +++ options.4 27 Jan 2015 03:43:30 -0000 @@ -167,6 +167,11 @@ Turns on debugging for the Virtual File See .Xr vfs 9 for details. +.It Cd option XHCI_DEBUG +Turns on debugging for the xhci driver. +See +.Xr xhci 4 +for details. .El .Sh FILE SYSTEMS .Bl -ohang Jan
