Name
mpt_remove_dead_ioc_func — 
     kthread context to remove dead ioc
 
Synopsis
| int mpt_remove_dead_ioc_func ( | void * arg ); | 
 
Arguments
- arg
- 
     input argument, used to derive ioc
     
Description
   Return 0 if controller is removed from pci subsystem.
   Return -1 for other case.