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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>pci_enable_rom</title><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /><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="re412.html" title="pci_hp_remove_module_link" /><link rel="next" href="re414.html" title="pci_disable_rom" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>pci_enable_rom</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re412.html">Prev</a> </td><th width="60%" align="center">PCI Support Library</th><td width="20%" align="right"> <a accesskey="n" href="re414.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="pci_enable_rom"><a id="API-pci-enable-rom"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>pci_enable_rom —
enable ROM decoding for a PCI device
</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">pci_enable_rom </b>(</code></td><td>struct pci_dev * <var class="pdparam">pdev</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1" title="Arguments"><a id="id2681727"></a><h2>Arguments</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>pdev</code></em></span></dt><dd><p>
PCI device to enable
</p></dd></dl></div></div><div class="refsect1" title="Description"><a id="id2681753"></a><h2>Description</h2><p>
Enable ROM decoding on <em class="parameter"><code>dev</code></em>. This involves simply turning on the last
bit of the PCI ROM BAR. Note that some cards may share address decoders
between the ROM and other resources, so enabling it may disable access
to MMIO registers or other card memory.
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