Re: [PATCH] io_ti: export the port number in sysfs

On Fri, Aug 17, 2007 at 10:40:33PM +0400, Roman Kagan wrote:
> Some of the Edgeport usb-serial converters have more than one (read two)
> serial ports on the same USB device.
> 
> Currently the only way to distinguish them in userspace is by their
> minor device number: the driver makes them consecutive and in stable
> order.
> 
> However, for the purpose of stable naming with udev this is
> insufficient: when udev handles the ADD event for one of the ports it
> doesn't know what minor number the other one has.
> 
> To make stable naming easier, export the port number via sysfs.
> 
> Signed-off-by: Roman Kagan <[email protected]>
> Signed-off-by: Dmitry Guryanov <[email protected]>

I agree with Oliver, you should do this for all usb-serial drivers.
Care to change this patch to do that?  It should just involve moving
this information into the usb-serial driver itself.

thanks,

greg k-h

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