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kernel-doc-3.11.10-100.fc18.noarch.rpm

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968" /><title>__class_create</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="ch02s02.html" title="Device Drivers Base" /><link rel="prev" href="API-syscore-resume.html" title="syscore_resume" /><link rel="next" href="API-class-destroy.html" title="class_destroy" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span class="phrase">__class_create</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-syscore-resume.html">Prev</a>&#160;</td><th width="60%" align="center">Device Drivers Base</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-class-destroy.html">Next</a></td></tr></table><hr /></div><div class="refentry"><a id="API---class-create"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>__class_create &#8212; 
  create a struct class structure
 </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">struct class * <strong class="fsfunc">__class_create </strong>(</code></td><td>struct module * <var class="pdparam">owner</var>, </td></tr><tr><td>&#160;</td><td>const char * <var class="pdparam">name</var>, </td></tr><tr><td>&#160;</td><td>struct lock_class_key * <var class="pdparam">key</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a id="idm140404964556384"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>owner</code></em></span></dt><dd><p>
     pointer to the module that is to <span class="quote">&#8220;<span class="quote">own</span>&#8221;</span> this struct class
    </p></dd><dt><span class="term"><em class="parameter"><code>name</code></em></span></dt><dd><p>
     pointer to a string for the name of this class.
    </p></dd><dt><span class="term"><em class="parameter"><code>key</code></em></span></dt><dd><p>
     the lock_class_key for this class; used by mutex lock debugging
    </p></dd></dl></div></div><div class="refsect1"><a id="idm140404964548688"></a><h2>Description</h2><p>
   This is used to create a struct class pointer that can then be used
   in calls to <code class="function">device_create</code>.
   </p><p>

   Returns <span class="structname">struct class</span> pointer on success, or <code class="function">ERR_PTR</code> on error.
   </p><p>

   Note, the pointer created here is to be destroyed when finished by
   making a call to <code class="function">class_destroy</code>.
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