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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>ata_wait_ready</title><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /><link rel="home" href="index.html" title="libATA Developer's Guide" /><link rel="up" href="ch05.html" title="Chapter 5. libata Core Internals" /><link rel="prev" href="re85.html" title="ata_down_xfermask_limit" /><link rel="next" href="re87.html" title="ata_dev_same_device" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>ata_wait_ready</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re85.html">Prev</a> </td><th width="60%" align="center">Chapter 5. libata Core Internals</th><td width="20%" align="right"> <a accesskey="n" href="re87.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="ata_wait_ready"><a id="API-ata-wait-ready"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>ata_wait_ready —
wait for link to become ready
</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">ata_wait_ready </b>(</code></td><td>struct ata_link * <var class="pdparam">link</var>, </td></tr><tr><td> </td><td>unsigned long <var class="pdparam">deadline</var>, </td></tr><tr><td> </td><td>int (*<var class="pdparam">check_ready</var>)
<code>(</code>struct ata_link *link<code>)</code><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1" title="Arguments"><a id="id2905509"></a><h2>Arguments</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>link</code></em></span></dt><dd><p>
link to be waited on
</p></dd><dt><span class="term"><em class="parameter"><code>deadline</code></em></span></dt><dd><p>
deadline jiffies for the operation
</p></dd><dt><span class="term"><em class="parameter"><code>check_ready</code></em></span></dt><dd><p>
callback to check link readiness
</p></dd></dl></div></div><div class="refsect1" title="Description"><a id="id2905569"></a><h2>Description</h2><p>
Wait for <em class="parameter"><code>link</code></em> to become ready. <em class="parameter"><code>check_ready</code></em> should return
positive number if <em class="parameter"><code>link</code></em> is ready, 0 if it isn't, -ENODEV if
link doesn't seem to be occupied, other errno for other error
conditions.
</p><p>
Transient -ENODEV conditions are allowed for
ATA_TMOUT_FF_WAIT.
</p></div><div class="refsect1" title="LOCKING"><a id="id2905600"></a><h2>LOCKING</h2><p>
EH context.
</p></div><div class="refsect1" title="RETURNS"><a id="id2905610"></a><h2>RETURNS</h2><p>
0 if <em class="parameter"><code>linke</code></em> is ready before <em class="parameter"><code>deadline</code></em>; otherwise, -errno.
</p></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="re85.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="ch05.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="re87.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span>ata_down_xfermask_limit</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span>ata_dev_same_device</span></td></tr></table></div></body></html>
