> I tried this. I added the ioctl function to my driver. If I call this ioctl
> with the registered device file opened, it works fine.
> If I try to do this via usbfs (/proc/bus/usb/001/0xx), the open call doesn't
> invoke the open function of my driver. Can someone give my a hint what I miss
> to "connect" my driver to the appropriate file in usbfs ?
ioctl() through usbfs will not call open(), you'll get an ioctl _without_
prior open(). For this to work you have to give an ioctl method to
struct usb_driver, not file_operations. An example for this can be found
in hub.c
HTH
Oliver
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