1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>device_attach</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-wait-for-device-probe.html" title="wait_for_device_probe"><link rel="next" href="API-driver-attach.html" title="driver_attach"></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">device_attach</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-wait-for-device-probe.html">Prev</a> </td><th width="60%" align="center">Device Drivers Base</th><td width="20%" align="right"> <a accesskey="n" href="API-driver-attach.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-device-attach"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>device_attach — 2 try to attach device to a driver. 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">int <b class="fsfunc">device_attach </b>(</code></td><td>struct device * <var class="pdparam">dev</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1"><a name="idp1109775292"></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. 5 </p></dd></dl></div></div><div class="refsect1"><a name="idp1109776876"></a><h2>Description</h2><p> 6 Walk the list of drivers that the bus has and call 7 <code class="function">driver_probe_device</code> for each pair. If a compatible 8 pair is found, break out and return. 9 </p><p> 10 11 Returns 1 if the device was bound to a driver; 12 0 if no matching driver was found; 13 -ENODEV if the device is not registered. 14 </p><p> 15 16 When called for a USB interface, <em class="parameter"><code>dev</code></em>->parent lock must be held. 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-wait-for-device-probe.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="ch02s02.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="API-driver-attach.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span class="phrase">wait_for_device_probe</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span class="phrase">driver_attach</span></td></tr></table></div></body></html> 18