1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>get_phy_device</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><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="API-phy-register-fixup.html" title="phy_register_fixup"><link rel="next" href="API-phy-device-register.html" title="phy_device_register"></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">get_phy_device</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-phy-register-fixup.html">Prev</a>&#160;</td><th width="60%" align="center">PHY Support</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-phy-device-register.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-get-phy-device"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>get_phy_device &#8212; 
2     reads the specified PHY device and returns its <em class="parameter"><code>phy_device</code></em> struct
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">struct phy_device * <b class="fsfunc">get_phy_device </b>(</code></td><td>struct mii_bus * <var class="pdparam">bus</var>, </td></tr><tr><td>&#160;</td><td>int <var class="pdparam">addr</var>, </td></tr><tr><td>&#160;</td><td>bool <var class="pdparam">is_c45</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1099268660"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>bus</code></em></span></dt><dd><p>
4     the target MII bus
5    </p></dd><dt><span class="term"><em class="parameter"><code>addr</code></em></span></dt><dd><p>
6     PHY address on the MII bus
7    </p></dd><dt><span class="term"><em class="parameter"><code>is_c45</code></em></span></dt><dd><p>
8     If true the PHY uses the 802.3 clause 45 protocol
9    </p></dd></dl></div></div><div class="refsect1"><a name="idp1099272308"></a><h2>Description</h2><p>
10   Reads the ID registers of the PHY at <em class="parameter"><code>addr</code></em> on the
11   <em class="parameter"><code>bus</code></em>, then allocates and returns the phy_device to represent it.
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