1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>nand_lock</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="MTD NAND Driver Programming Interface"><link rel="up" href="pubfunctions.html" title="Chapter&#160;10.&#160;Public Functions Provided"><link rel="prev" href="API-nand-unlock.html" title="nand_unlock"><link rel="next" href="API-nand-scan-ident.html" title="nand_scan_ident"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span class="phrase">nand_lock</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-nand-unlock.html">Prev</a>&#160;</td><th width="60%" align="center">Chapter&#160;10.&#160;Public Functions Provided</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-nand-scan-ident.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-nand-lock"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>nand_lock &#8212; 
2     [REPLACEABLE] locks all blocks present in the device
3 </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="funcsynopsis"><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">int <b class="fsfunc">nand_lock </b>(</code></td><td>struct mtd_info * <var class="pdparam">mtd</var>, </td></tr><tr><td>&#160;</td><td>loff_t <var class="pdparam">ofs</var>, </td></tr><tr><td>&#160;</td><td>uint64_t <var class="pdparam">len</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1102750620"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>mtd</code></em></span></dt><dd><p>
4     mtd info
5    </p></dd><dt><span class="term"><em class="parameter"><code>ofs</code></em></span></dt><dd><p>
6     offset to start unlock from
7    </p></dd><dt><span class="term"><em class="parameter"><code>len</code></em></span></dt><dd><p>
8     length to unlock
9    </p></dd></dl></div></div><div class="refsect1"><a name="idp1102754100"></a><h2>Description</h2><p>
10   This feature is not supported in many NAND parts. 'Micron' NAND parts do
11   have this feature, but it allows only to lock all blocks, not for specified
12   range for block. Implementing 'lock' feature by making use of 'unlock', for
13   now.
14   </p><p>
15
16   Returns lock status.
17</p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-nand-unlock.html">Prev</a>&#160;</td><td width="20%" align="center"><a accesskey="u" href="pubfunctions.html">Up</a></td><td width="40%" align="right">&#160;<a accesskey="n" href="API-nand-scan-ident.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span class="phrase">nand_unlock</span>&#160;</td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top">&#160;<span class="phrase">nand_scan_ident</span></td></tr></table></div></body></html>
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