'\" t
.\"     Title: nand_lock
.\"    Author: 
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: January 2017
.\"    Manual: Public Functions Provided
.\"    Source: Kernel Hackers Manual 4.8.15
.\"  Language: English
.\"
.TH "NAND_LOCK" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "Public Functions Provided"
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.SH "NAME"
nand_lock \- [REPLACEABLE] locks all blocks present in the device
.SH "SYNOPSIS"
.HP \w'int\ nand_lock('u
.BI "int nand_lock(struct\ mtd_info\ *\ " "mtd" ", loff_t\ " "ofs" ", uint64_t\ " "len" ");"
.SH "ARGUMENTS"
.PP
\fImtd\fR
.RS 4
mtd info
.RE
.PP
\fIofs\fR
.RS 4
offset to start unlock from
.RE
.PP
\fIlen\fR
.RS 4
length to unlock
.RE
.SH "DESCRIPTION"
.PP
This feature is not supported in many NAND parts\&. \*(AqMicron\*(Aq NAND parts do have this feature, but it allows only to lock all blocks, not for specified range for block\&. Implementing \*(Aqlock\*(Aq feature by making use of \*(Aqunlock\*(Aq, for now\&.
.PP
Returns lock status\&.
.SH "AUTHOR"
.PP
\fBThomas Gleixner\fR <\&tglx@linutronix.de\&>
.RS 4
Author.
.RE
.SH "COPYRIGHT"
.br