Registartion of two different pcmci cards

Russell King rmk+pcmcia at
Tue Jun 13 04:48:11 EDT 2006

On Tue, Jun 13, 2006 at 09:38:09AM +0200, Tobias wrote:
> When i use only one card i.e. the Merlin U630 i can remove and plug in this 
> card several times and it is always registered as ttyS4. But when i insert 
> the AirCard after having removed the Merlin U630, the AirCard is registered 
> as ttyS5. When did not plug in the Merlin U630 before inserting the AirCard
> it is registered as ttyS4.
> Can someone tell me why the device does change ?

Probably because of the different addresses each gets.  The serial layer
attempts to always provide the same ttyS device for a port at the same

Russell King
 Linux kernel    2.6 ARM Linux   -
 maintainer of:  2.6 Serial core

More information about the linux-pcmcia mailing list