1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>irq_alloc_generic_chip</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="Linux generic IRQ handling"><link rel="up" href="genericchip.html" title="Chapter&#160;7.&#160;Generic interrupt chip"><link rel="prev" href="API-irq-gc-ack-set-bit.html" title="irq_gc_ack_set_bit"><link rel="next" href="API-irq-alloc-domain-generic-chips.html" title="irq_alloc_domain_generic_chips"></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">irq_alloc_generic_chip</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-irq-gc-ack-set-bit.html">Prev</a>&#160;</td><th width="60%" align="center">Chapter&#160;7.&#160;Generic interrupt chip</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-irq-alloc-domain-generic-chips.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-irq-alloc-generic-chip"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>irq_alloc_generic_chip &#8212; 
2     Allocate a generic chip and initialize it
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">struct irq_chip_generic * <b class="fsfunc">irq_alloc_generic_chip </b>(</code></td><td>const char * <var class="pdparam">name</var>, </td></tr><tr><td>&#160;</td><td>int <var class="pdparam">num_ct</var>, </td></tr><tr><td>&#160;</td><td>unsigned int <var class="pdparam">irq_base</var>, </td></tr><tr><td>&#160;</td><td>void __iomem * <var class="pdparam">reg_base</var>, </td></tr><tr><td>&#160;</td><td>irq_flow_handler_t <var class="pdparam">handler</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1102896748"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>name</code></em></span></dt><dd><p>
4     Name of the irq chip
5    </p></dd><dt><span class="term"><em class="parameter"><code>num_ct</code></em></span></dt><dd><p>
6     Number of irq_chip_type instances associated with this
7    </p></dd><dt><span class="term"><em class="parameter"><code>irq_base</code></em></span></dt><dd><p>
8     Interrupt base nr for this chip
9    </p></dd><dt><span class="term"><em class="parameter"><code>reg_base</code></em></span></dt><dd><p>
10     Register base address (virtual)
11    </p></dd><dt><span class="term"><em class="parameter"><code>handler</code></em></span></dt><dd><p>
12     Default flow handler associated with this chip
13    </p></dd></dl></div></div><div class="refsect1"><a name="idp1102902268"></a><h2>Description</h2><p>
14   Returns an initialized irq_chip_generic structure. The chip defaults
15   to the primary (index 0) irq_chip_type and <em class="parameter"><code>handler</code></em>
16</p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-irq-gc-ack-set-bit.html">Prev</a>&#160;</td><td width="20%" align="center"><a accesskey="u" href="genericchip.html">Up</a></td><td width="40%" align="right">&#160;<a accesskey="n" href="API-irq-alloc-domain-generic-chips.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span class="phrase">irq_gc_ack_set_bit</span>&#160;</td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top">&#160;<span class="phrase">irq_alloc_domain_generic_chips</span></td></tr></table></div></body></html>
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