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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>get_phy_id</title><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /><link rel="home" href="index.html" title="Linux Networking and Network Devices APIs" /><link rel="up" href="ch02s02.html" title="PHY Support" /><link rel="prev" href="re325.html" title="phy_state_machine" /><link rel="next" href="re327.html" title="get_phy_device" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>get_phy_id</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re325.html">Prev</a> </td><th width="60%" align="center">PHY Support</th><td width="20%" align="right"> <a accesskey="n" href="re327.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="get_phy_id"><a id="API-get-phy-id"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>get_phy_id —
reads the specified addr for its ID.
</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">get_phy_id </b>(</code></td><td>struct mii_bus * <var class="pdparam">bus</var>, </td></tr><tr><td> </td><td>int <var class="pdparam">addr</var>, </td></tr><tr><td> </td><td>u32 * <var class="pdparam">phy_id</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1" title="Arguments"><a id="id2731786"></a><h2>Arguments</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>bus</code></em></span></dt><dd><p>
the target MII bus
</p></dd><dt><span class="term"><em class="parameter"><code>addr</code></em></span></dt><dd><p>
PHY address on the MII bus
</p></dd><dt><span class="term"><em class="parameter"><code>phy_id</code></em></span></dt><dd><p>
where to store the ID retrieved.
</p></dd></dl></div></div><div class="refsect1" title="Description"><a id="id2731846"></a><h2>Description</h2><p>
Reads the ID registers of the PHY at <em class="parameter"><code>addr</code></em> on the
<em class="parameter"><code>bus</code></em>, stores it in <em class="parameter"><code>phy_id</code></em> and returns zero on success.
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