1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>fsl_rio_config_write</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="RapidIO Subsystem Guide"><link rel="up" href="PPC32_support.html" title="PPC32 support"><link rel="prev" href="API-fsl-rio-config-read.html" title="fsl_rio_config_read"><link rel="next" href="API-fsl-rio-setup.html" title="fsl_rio_setup"></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">fsl_rio_config_write</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-fsl-rio-config-read.html">Prev</a>&#160;</td><th width="60%" align="center">PPC32 support</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-fsl-rio-setup.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-fsl-rio-config-write"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>fsl_rio_config_write &#8212; 
2     Generate a MPC85xx write maintenance transaction
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">int <b class="fsfunc">fsl_rio_config_write </b>(</code></td><td>struct rio_mport * <var class="pdparam">mport</var>, </td></tr><tr><td>&#160;</td><td>int <var class="pdparam">index</var>, </td></tr><tr><td>&#160;</td><td>u16 <var class="pdparam">destid</var>, </td></tr><tr><td>&#160;</td><td>u8 <var class="pdparam">hopcount</var>, </td></tr><tr><td>&#160;</td><td>u32 <var class="pdparam">offset</var>, </td></tr><tr><td>&#160;</td><td>int <var class="pdparam">len</var>, </td></tr><tr><td>&#160;</td><td>u32 <var class="pdparam">val</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1110279452"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>mport</code></em></span></dt><dd><p>
4     RapidIO master port info
5    </p></dd><dt><span class="term"><em class="parameter"><code>index</code></em></span></dt><dd><p>
6     ID of RapdiIO interface
7    </p></dd><dt><span class="term"><em class="parameter"><code>destid</code></em></span></dt><dd><p>
8     Destination ID of transaction
9    </p></dd><dt><span class="term"><em class="parameter"><code>hopcount</code></em></span></dt><dd><p>
10     Number of hops to target device
11    </p></dd><dt><span class="term"><em class="parameter"><code>offset</code></em></span></dt><dd><p>
12     Offset into configuration space
13    </p></dd><dt><span class="term"><em class="parameter"><code>len</code></em></span></dt><dd><p>
14     Length (in bytes) of the maintenance transaction
15    </p></dd><dt><span class="term"><em class="parameter"><code>val</code></em></span></dt><dd><p>
16     Value to be written
17    </p></dd></dl></div></div><div class="refsect1"><a name="idp1110287020"></a><h2>Description</h2><p>
18   Generates an MPC85xx write maintenance transaction. Returns <code class="constant">0</code> on
19   success or <code class="constant">-EINVAL</code> on failure.
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