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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>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#id3048322" title="Device Drivers Base" /><link rel="prev" href="re212.html" title="release_firmware" /><link rel="next" href="re214.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="re212.html">Prev</a> </td><th width="60%" align="center">Device Drivers Base</th><td width="20%" align="right"> <a accesskey="n" href="re214.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>gfp_t <var class="pdparam">gfp</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="id3055803"></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>gfp</code></em></span></dt><dd><p>
allocation flags
</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="id3055951"></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="re212.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="ch02.html#id3048322">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="re214.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>
