centos man page for nand_lock

NAND_LOCK(9)						     Public Functions Provided						      NAND_LOCK(9)

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.

AUTHOR
       Thomas Gleixner <tglx@linutronix.de>
	   Author.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014							      NAND_LOCK(9)