1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>struct usb_device_driver</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="The Linux-USB Host Side API"><link rel="up" href="hostside.html" title="Chapter 4. Host-Side Data Types and Macros"><link rel="prev" href="API-struct-usb-driver.html" title="struct usb_driver"><link rel="next" href="API-struct-usb-class-driver.html" title="struct usb_class_driver"></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">struct usb_device_driver</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-struct-usb-driver.html">Prev</a> </td><th width="60%" align="center">Chapter 4. Host-Side Data Types and Macros</th><td width="20%" align="right"> <a accesskey="n" href="API-struct-usb-class-driver.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-struct-usb-device-driver"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>struct usb_device_driver — 2 identifies USB device driver to usbcore 3 </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="programlisting"> 4struct usb_device_driver { 5 const char * name; 6 int (* probe) (struct usb_device *udev); 7 void (* disconnect) (struct usb_device *udev); 8 int (* suspend) (struct usb_device *udev, pm_message_t message); 9 int (* resume) (struct usb_device *udev, pm_message_t message); 10 struct usbdrv_wrap drvwrap; 11 unsigned int supports_autosuspend:1; 12}; </pre></div><div class="refsect1"><a name="idp1115789380"></a><h2>Members</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term">name</span></dt><dd><p> 13 The driver name should be unique among USB drivers, 14 and should normally be the same as the module name. 15 </p></dd><dt><span class="term">probe</span></dt><dd><p> 16 Called to see if the driver is willing to manage a particular 17 device. If it is, probe returns zero and uses <code class="function">dev_set_drvdata</code> 18 to associate driver-specific data with the device. If unwilling 19 to manage the device, return a negative errno value. 20 </p></dd><dt><span class="term">disconnect</span></dt><dd><p> 21 Called when the device is no longer accessible, usually 22 because it has been (or is being) disconnected or the driver's 23 module is being unloaded. 24 </p></dd><dt><span class="term">suspend</span></dt><dd><p> 25 Called when the device is going to be suspended by the system. 26 </p></dd><dt><span class="term">resume</span></dt><dd><p> 27 Called when the device is being resumed by the system. 28 </p></dd><dt><span class="term">drvwrap</span></dt><dd><p> 29 Driver-model core structure wrapper. 30 </p></dd><dt><span class="term">supports_autosuspend</span></dt><dd><p> 31 if set to 0, the USB core will not allow autosuspend 32 for devices bound to this driver. 33 </p></dd></dl></div></div><div class="refsect1"><a name="idp1115795628"></a><h2>Description</h2><p> 34 USB drivers must provide all the fields listed above except drvwrap. 35</p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-struct-usb-driver.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="hostside.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="API-struct-usb-class-driver.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span class="phrase">struct usb_driver</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span class="phrase">struct usb_class_driver</span></td></tr></table></div></body></html> 36