Name
nand_lock — 
     [REPLACEABLE] locks all blocks present in the device
 
Synopsis
| int nand_lock ( | struct mtd_info * mtd, | 
|  | loff_t ofs, | 
|  | uint64_t len ); | 
 
Arguments
- mtd
- 
     mtd info
     
- ofs
- 
     offset to start unlock from
     
- len
- 
     length to unlock
     
Description
   This feature is not supported in many NAND parts. 'Micron' NAND parts do
   have this feature, but it allows only to lock all blocks, not for specified
   range for block. Implementing 'lock' feature by making use of 'unlock', for
   now.
   
   Returns lock status.