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<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968" /><title>rio_register_driver</title><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /><link rel="home" href="index.html" title="RapidIO Subsystem Guide" /><link rel="up" href="ch03.html#Functions" title="Functions" /><link rel="prev" href="re24.html" title="rio_dev_put" /><link rel="next" href="re26.html" title="rio_unregister_driver" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>rio_register_driver</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re24.html">Prev</a> </td><th width="60%" align="center">Functions</th><td width="20%" align="right"> <a accesskey="n" href="re26.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="rio_register_driver"><a id="API-rio-register-driver"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>rio_register_driver —
register a new RIO driver
</p></div><div class="refsynopsisdiv" title="Synopsis"><h2>Synopsis</h2><div class="funcsynopsis"><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" class="funcprototype-table"><tr><td><code class="funcdef">int <b class="fsfunc">rio_register_driver </b>(</code></td><td>struct rio_driver * <var class="pdparam">rdrv</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1" title="Arguments"><a id="id2849317"></a><h2>Arguments</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>rdrv</code></em></span></dt><dd><p>
the RIO driver structure to register
</p></dd></dl></div></div><div class="refsect1" title="Description"><a id="id2849344"></a><h2>Description</h2><p>
Adds a <span class="structname">struct rio_driver</span> to the list of registered drivers.
Returns a negative value on error, otherwise 0. If no error
occurred, the driver remains registered even if no device
was claimed during registration.
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