.\" This documentation was generated from the book titled "The Linux 2.4 Parallel Port Subsystem", which is part of the Linux kernel source. .\" .\" Documentation by: Tim Waugh (twaugh@redhat.com) .\" Documentation copyright: 1999-2000 Tim Waugh .\" This documentation comes with the following legal notice: .\" .\" Permission is granted to copy, distribute and/or modify this .\" document under the terms of the GNU Free Documentation License, .\" Version 1.1 or any later version published by the Free Software .\" Foundation; with no Invariant Sections, with no Front-Cover Texts, .\" and with no Back-Cover Texts. A copy of the license is included .\" in the section entitled "GNU Free Documentation License". .\" .\" For comments on the formatting of this manpage, please contact Michael Still .\" This manpage has been automatically generated by docbook2man .\" from a DocBook document. This tool can be found at: .\" .\" Please send any bug reports, improvements, comments, patches, .\" etc. to Steve Cheng . .TH "PARPORT_UNREGISTER_DRIVER" "9" "06 August 2003" "" "" .SH NAME parport_unregister_driver \- deregister a parallel port device driver .SH SYNOPSIS .sp \fB .sp void parport_unregister_driver (struct parport_driver * \fIarg\fB); \fR .SH "ARGUMENTS" .TP \fB\fIarg\fB\fR structure describing the driver that was given to \fBparport_register_driver\fR .SH "DESCRIPTION" .PP This should be called by a parallel port device driver that has registered itself using \fBparport_register_driver\fR when it is about to be unloaded. .PP When it returns, the driver's \fBattach\fR routine will no longer be called, and for each port that \fBattach\fR was called for, the \fBdetach\fR routine will have been called. .PP If the caller's \fBattach\fR function can block, it is their responsibility to make sure to wait for it to exit before unloading. .PP All the driver's \fBdetach\fR calls are guaranteed to have finished by the time this function returns. .PP The driver's \fBdetach\fR call is not allowed to block. .SH "ABOUT THIS DOCUMENT" .PP This documentation was generated with kernel version 2.6.0.