1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>pci_release_regions</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="The Linux Kernel API"><link rel="up" href="ch09s05.html" title="PCI Support Library"><link rel="prev" href="API-pci-request-selected-regions.html" title="pci_request_selected_regions"><link rel="next" href="API-pci-request-regions.html" title="pci_request_regions"></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">pci_release_regions</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-pci-request-selected-regions.html">Prev</a>&#160;</td><th width="60%" align="center">PCI Support Library</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-pci-request-regions.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-pci-release-regions"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>pci_release_regions &#8212; 
2     Release reserved PCI I/O and memory resources
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">void <b class="fsfunc">pci_release_regions </b>(</code></td><td>struct pci_dev * <var class="pdparam">pdev</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1126384124"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>pdev</code></em></span></dt><dd><p>
4     PCI device whose resources were previously reserved by pci_request_regions
5    </p></dd></dl></div></div><div class="refsect1"><a name="idp1126385796"></a><h2>Description</h2><p>
6   Releases all PCI I/O and memory resources previously reserved by a
7   successful call to pci_request_regions.  Call this function only
8   after all use of the PCI regions has ceased.
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