1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>devres_find</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="Linux Device Drivers"><link rel="up" href="ch01s10.html" title="Device Resource Management"><link rel="prev" href="API-devres-add.html" title="devres_add"><link rel="next" href="API-devres-get.html" title="devres_get"></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">devres_find</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-devres-add.html">Prev</a>&#160;</td><th width="60%" align="center">Device Resource Management</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-devres-get.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-devres-find"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>devres_find &#8212; 
2     Find device resource
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">void * <b class="fsfunc">devres_find </b>(</code></td><td>struct device * <var class="pdparam">dev</var>, </td></tr><tr><td>&#160;</td><td>dr_release_t <var class="pdparam">release</var>, </td></tr><tr><td>&#160;</td><td>dr_match_t <var class="pdparam">match</var>, </td></tr><tr><td>&#160;</td><td>void * <var class="pdparam">match_data</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1108831980"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>dev</code></em></span></dt><dd><p>
4     Device to lookup resource from
5    </p></dd><dt><span class="term"><em class="parameter"><code>release</code></em></span></dt><dd><p>
6     Look for resources associated with this release function
7    </p></dd><dt><span class="term"><em class="parameter"><code>match</code></em></span></dt><dd><p>
8     Match function (optional)
9    </p></dd><dt><span class="term"><em class="parameter"><code>match_data</code></em></span></dt><dd><p>
10     Data for the match function
11    </p></dd></dl></div></div><div class="refsect1"><a name="idp1108836708"></a><h2>Description</h2><p>
12   Find the latest devres of <em class="parameter"><code>dev</code></em> which is associated with <em class="parameter"><code>release</code></em>
13   and for which <em class="parameter"><code>match</code></em> returns 1.  If <em class="parameter"><code>match</code></em> is NULL, it's considered
14   to match all.
15</p></div><div class="refsect1"><a name="idp1108838828"></a><h2>RETURNS</h2><p>
16   Pointer to found devres, NULL if not found.
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-devres-add.html">Prev</a>&#160;</td><td width="20%" align="center"><a accesskey="u" href="ch01s10.html">Up</a></td><td width="40%" align="right">&#160;<a accesskey="n" href="API-devres-get.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span class="phrase">devres_add</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">devres_get</span></td></tr></table></div></body></html>
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