Name
platform_device_unregister — 
     unregister a platform-level device
 
Synopsis
void platform_device_unregister ( | struct platform_device * pdev); | 
 
Arguments
pdev
     platform device we're unregistering
    
Description
   Unregistration is done in 2 steps. First we release all resources
   and remove it from the subsystem, then we drop reference count by
   calling platform_device_put.