<?xml version="1.0" encoding="ANSI_X3.4-1968" standalone="no"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968" /><title>request_firmware_nowait</title><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /><link rel="home" href="index.html" title="Linux Device Drivers" /><link rel="up" href="ch02.html#id2617423" title="Device Drivers Base" /><link rel="prev" href="re210.html" title="release_firmware" /><link rel="next" href="re212.html" title="transport_class_register" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>request_firmware_nowait</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re210.html">Prev</a> </td><th width="60%" align="center">Device Drivers Base</th><td width="20%" align="right"> <a accesskey="n" href="re212.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="request_firmware_nowait"><a id="API-request-firmware-nowait"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>request_firmware_nowait — </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">request_firmware_nowait </b>(</code></td><td>struct module * <var class="pdparam">module</var>, </td></tr><tr><td> </td><td>int <var class="pdparam">uevent</var>, </td></tr><tr><td> </td><td>const char * <var class="pdparam">name</var>, </td></tr><tr><td> </td><td>struct device * <var class="pdparam">device</var>, </td></tr><tr><td> </td><td>void * <var class="pdparam">context</var>, </td></tr><tr><td> </td><td>void (*<var class="pdparam">cont</var>) <code>(</code>const struct firmware *fw, void *context<code>)</code><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1" title="Arguments"><a id="id2624890"></a><h2>Arguments</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>module</code></em></span></dt><dd><p> module requesting the firmware </p></dd><dt><span class="term"><em class="parameter"><code>uevent</code></em></span></dt><dd><p> sends uevent to copy the firmware image if this flag is non-zero else the firmware copy must be done manually. </p></dd><dt><span class="term"><em class="parameter"><code>name</code></em></span></dt><dd><p> name of firmware file </p></dd><dt><span class="term"><em class="parameter"><code>device</code></em></span></dt><dd><p> device for which firmware is being loaded </p></dd><dt><span class="term"><em class="parameter"><code>context</code></em></span></dt><dd><p> will be passed over to <em class="parameter"><code>cont</code></em>, and <em class="parameter"><code>fw</code></em> may be <code class="constant">NULL</code> if firmware request fails. </p></dd><dt><span class="term"><em class="parameter"><code>cont</code></em></span></dt><dd><p> function will be called asynchronously when the firmware request is over. </p></dd></dl></div></div><div class="refsect1" title="Description"><a id="id2625021"></a><h2>Description</h2><p> Asynchronous variant of <code class="function">request_firmware</code> for user contexts where it is not possible to sleep for long time. It can't be called in atomic contexts. </p></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="re210.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="ch02.html#id2617423">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="re212.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span>release_firmware</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span>transport_class_register</span></td></tr></table></div></body></html>