On Fri, Sep 18, 2015 at 11:24:05AM +0200, Wolfgang Wilhelm wrote: > Thankyou very much for your quick answers. I searched now > in the linux sources for the problem and I think I could find it > in the file linux-source-3.16/drivers/tty/serial/8250/8250_pci.c > > There is a function serial_pci_guessboard and a blacklist > including the vendor- and device-ids of 3 softmodems and > 2 multi-io cards. I think if the vendor id 0x10e8 (standard AMCC) > and device id 0x8226 could be inserted into that blacklist > I could load our driver and get the software for our MPA-3 > multiparameter system working. It seems that these id's are > not really used by any existing serial card, but this guessboard > function anyway takes our card as a serial board. Who makes this card, you? Why is the serial driver grabbing it if it is not a serial device? > Is this a matter of the Debian distribution or the general linux kernel? The kernel is responsible for this, but I would like to see your driver before marking this device as blacklisted. Do you have a pointer to the source for it anywhere? thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html