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Revision d55ebf55

IDd55ebf5539139b26b9c6412a834cb493f008a8a9

Added by Jason Wessel almost 15 years ago

USB serial device support

Add in a workaround to allow the usb serial devices to work with the
usb pass through mechanism. The ioctl() to request an alternate
interface will always return < 0 for a usb-serial device based on the
kernel driver. This means there is no alternate interface end point.

This was fully tested with a pl2303 usb serial device.

Signed-off-by: Jason Wessel <>

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