centos man page for __nand_unlock

__NAND_UNLOCK(9)					    Internal Functions Provided 					  __NAND_UNLOCK(9)

NAME
       __nand_unlock - [REPLACEABLE] unlocks specified locked blocks

SYNOPSIS
       int __nand_unlock(struct mtd_info * mtd, loff_t ofs, uint64_t len, int invert);

ARGUMENTS
       mtd
	   mtd info

       ofs
	   offset to start unlock from

       len
	   length to unlock

       invert
	   when = 0, unlock the range of blocks within the lower and upper boundary address when = 1, unlock the range of blocks outside the
	   boundaries of the lower and upper boundary address

DESCRIPTION
       Returs unlock status.

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

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014							  __NAND_UNLOCK(9)