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POLinux: How to assign USB driver to device
 

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  1. POLinux: How to assign USB driver to device
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    <p>This question is two-fold: </p> <p>1- How do you manually detach a driver from a USB device and attach a different one? For example, I have a device that when connected automatically uses the usb-storage driver. </p> <p>// usbview output</p> <pre><code>Vendor Id: xxxx Product Id: xxxx ... Number of Interfaces: 2 Interface Number: 0 Name: usb-storage Number of Endpoints: 2 ... Interface Number: 1 Name: (none) Number of Endpoints: 2 ... </code></pre> <p>I do not want to use the usb-storage driver, so I have an application running on the host in which I use the libusb library to detach the usb-storage driver and then I claim the interface. I then can send data to and from the applications running on my USB device and on my host Linux system.</p> <p>How do you detach a driver manually outside of an application? </p> <p>2- How do I automatically assign the driver to attach on device plugin. I currently have a udev rule setup to set the device permissions automatically.</p> <pre><code>SUBSYSTEM=="usb", ATTR{idVendor}=="xxxx", MODE="0666" </code></pre> <p>Can I use udev rules to assign drivers to specific interfaces on the USB device? For example, if I wanted the usbnet module to be used on automatically on interface 0 instead of usb-storage, is that possible in udev?</p> <p>Thanks,</p> <p><em>(I'm a little confused about how StackExchange works with it's different sites or if they are all the same. This is a Linux question so it was also posted on Unix &amp; Linux. Forgive me if it shouldn't be posted here too, but StackOverflow also handles Linux, so...)</em></p>
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    1. COSimilar question on **Unix & Linux** http://unix.stackexchange.com/questions/13964/prevent-claiming-of-novelty-usb-device-by-usbhid-so-i-can-control-it-with-libusb
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      1. POLinux: How to assign USB driver to device
      1. USAlessandro Pezzato
    2. CO@AlessandroPezzato, I read that article and that is similar, but not the solution to my problem. As I said in my question, I have an application that I can run that uses the libusb API to detach and claim the interface. But I need to know how to detach and attach a LKM from the command prompt or automatically through udev outside of application space.
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      1. POLinux: How to assign USB driver to device
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