On Thu, 13 Oct 2005, Ivy wrote:

> Hi All,
> 
>             I am here with some set of doubts... Hope you people guide me 
> right direction. 
> 
> I would like to know, all USB devices (like BT dongle, camera) connected to 
> my system . To know this , i would like to have a kernel module with callback 
> function. This callback function would be registered with all USB client 
> driver. (driver above usbcore like mass storage drivers, bluetooth drivers). 
> Obviously whenever USB device connected with the system or removed from the 
> system. USB core will call the CLIENT drivers functions (probe, disconnect). 
> From those function my module callback would be called for notification. 
> 
>              ll be better way to do this ?.. Is there any suggestion for 
> achieving this ?..

You can do what you want in userspace by using hotplug events.

Alan Stern



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