1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>__platform_driver_probe</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-platform-driver-unregister.html" title="platform_driver_unregister"><link rel="next" href="API---platform-create-bundle.html" title="__platform_create_bundle"></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">__platform_driver_probe</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-platform-driver-unregister.html">Prev</a> </td><th width="60%" align="center">Device Drivers Base</th><td width="20%" align="right"> <a accesskey="n" href="API---platform-create-bundle.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API---platform-driver-probe"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>__platform_driver_probe — 2 register driver for non-hotpluggable device 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">__platform_driver_probe </b>(</code></td><td>struct platform_driver * <var class="pdparam">drv</var>, </td></tr><tr><td> </td><td>int (*<var class="pdparam">probe</var>) 4 <code>(</code>struct platform_device *<code>)</code>, </td></tr><tr><td> </td><td>struct module * <var class="pdparam">module</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1"><a name="idp1109974732"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>drv</code></em></span></dt><dd><p> 5 platform driver structure 6 </p></dd><dt><span class="term"><em class="parameter"><code>probe</code></em></span></dt><dd><p> 7 the driver probe routine, probably from an __init section 8 </p></dd><dt><span class="term"><em class="parameter"><code>module</code></em></span></dt><dd><p> 9 module which will be the owner of the driver 10 </p></dd></dl></div></div><div class="refsect1"><a name="idp1109978452"></a><h2>Description</h2><p> 11 Use this instead of <code class="function">platform_driver_register</code> when you know the device 12 is not hotpluggable and has already been registered, and you want to 13 remove its run-once <code class="function">probe</code> infrastructure from memory after the driver 14 has bound to the device. 15 </p><p> 16 17 One typical use for this would be with drivers for controllers integrated 18 into system-on-chip processors, where the controller devices have been 19 configured as part of board setup. 20 </p><p> 21 22 Note that this is incompatible with deferred probing. 23 </p><p> 24 25 Returns zero if the driver registered and bound to a device, else returns 26 a negative error code and with the driver not registered. 27</p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-platform-driver-unregister.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---platform-create-bundle.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span class="phrase">platform_driver_unregister</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">__platform_create_bundle</span></td></tr></table></div></body></html> 28