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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>usb_create_hcd</title><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /><link rel="home" href="index.html" title="The Linux-USB Host Side API" /><link rel="up" href="ch06.html" title="Chapter 6. Host Controller APIs" /><link rel="prev" href="re117.html" title="usb_hc_died" /><link rel="next" href="re119.html" title="usb_add_hcd" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>usb_create_hcd</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re117.html">Prev</a> </td><th width="60%" align="center">Chapter 6. Host Controller APIs</th><td width="20%" align="right"> <a accesskey="n" href="re119.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="usb_create_hcd"><a id="API-usb-create-hcd"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>usb_create_hcd —
create and initialize an HCD structure
</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">struct usb_hcd * <b class="fsfunc">usb_create_hcd </b>(</code></td><td>const struct hc_driver * <var class="pdparam">driver</var>, </td></tr><tr><td> </td><td>struct device * <var class="pdparam">dev</var>, </td></tr><tr><td> </td><td>const char * <var class="pdparam">bus_name</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1" title="Arguments"><a id="id2756157"></a><h2>Arguments</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>driver</code></em></span></dt><dd><p>
HC driver that will use this hcd
</p></dd><dt><span class="term"><em class="parameter"><code>dev</code></em></span></dt><dd><p>
device for this HC, stored in hcd->self.controller
</p></dd><dt><span class="term"><em class="parameter"><code>bus_name</code></em></span></dt><dd><p>
value to store in hcd->self.bus_name
</p></dd></dl></div></div><div class="refsect1" title="Context"><a id="id2756219"></a><h2>Context</h2><p>
!<code class="function">in_interrupt</code>
</p></div><div class="refsect1" title="Description"><a id="id2756235"></a><h2>Description</h2><p>
Allocate a struct usb_hcd, with extra space at the end for the
HC driver's private data. Initialize the generic members of the
hcd structure.
</p><p>
If memory is unavailable, returns NULL.
</p></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="re117.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="ch06.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="re119.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span>usb_hc_died</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span>usb_add_hcd</span></td></tr></table></div></body></html>
