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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>serial8250_register_port</title><meta name="generator" content="DocBook XSL Stylesheets V1.76.1" /><link rel="home" href="index.html" title="Linux Device Drivers" /><link rel="up" href="uart16x50.html" title="Chapter 6. 16x50 UART Driver" /><link rel="prev" href="API-serial8250-resume-port.html" title="serial8250_resume_port" /><link rel="next" href="API-serial8250-unregister-port.html" title="serial8250_unregister_port" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>serial8250_register_port</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-serial8250-resume-port.html">Prev</a> </td><th width="60%" align="center">Chapter 6. 16x50 UART Driver</th><td width="20%" align="right"> <a accesskey="n" href="API-serial8250-unregister-port.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="serial8250_register_port"><a id="API-serial8250-register-port"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>serial8250_register_port —
register a serial port
</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 <strong>fsfuncserial8250_register_port </strong>(</code></td><td>struct uart_port * <var class="pdparam">port</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1" title="Arguments"><a id="id3147248"></a><h2>Arguments</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>port</code></em></span></dt><dd><p>
serial port template
</p></dd></dl></div></div><div class="refsect1" title="Description"><a id="id3147275"></a><h2>Description</h2><p>
Configure the serial port specified by the request. If the
port exists and is in use, it is hung up and unregistered
first.
</p><p>
The port is then probed and if necessary the IRQ is autodetected
If this fails an error is returned.
</p><p>
On success the port is ready to use and the line number is returned.
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