Name
parport_release — 
     give up access to a parallel port device
 
Synopsis
| void parport_release ( | struct pardevice * dev ); | 
 
Arguments
- dev
- 
     pointer to structure representing parallel port device
     
Description
   This function cannot fail, but it should not be called without
   the port claimed.  Similarly, if the port is already claimed
   you should not try claiming it again.