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usb_reset_device(9) - phpMan

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USB_RESET_DEVICE(9)                       USB Core APIs                       USB_RESET_DEVICE(9)

       usb_reset_device - warn interface drivers and perform a USB port reset

       int usb_reset_device(struct usb_device * udev);

           device to reset (not in SUSPENDED or NOTATTACHED state)

       Warns all drivers bound to registered interfaces (using their pre_reset method), performs
       the port reset, and then lets the drivers know that the reset is over (using their
       post_reset method).

       The same as for usb_reset_and_verify_device.

       The caller must own the device lock. For example, it's safe to use this from a driver
       probe routine after downloading new firmware. For calls that might not occur during probe,
       drivers should lock the device using usb_lock_device_for_reset.

       If an interface is currently being probed or disconnected, we assume its driver knows how
       to handle resets. For all other interfaces, if the driver doesn't have pre_reset and
       post_reset methods then we attempt to unbind it and rebind afterward.

Kernel Hackers Manual 4.8.                 January 2017                       USB_RESET_DEVICE(9)

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