Re: PCI probe, please CC hamilton@sedsystems.ca

[Greg KH <greg@kroah.com>]

On Mon, Sep 15, 2003 at 04:58:39PM -0600, Kendrick Hamilton wrote:
> Hello,
>    we are using the Linux 2.2.16 kernel (some of the code we purchased 
> does not work with 2.4.x kernels and we would have to do a lot of 
> regression testing to upgrade) on an IBM e-server. We wrote a module for 
> a modulator card we are using. The code uses pci_find_device to find the 
> modulator cards. The problem we are having is that it finds the cards in 
> different orders. One time hss0 is the card in slot 4 and hss1 is the 
> card in slot5. The next time we power up the computer, hss0 is the card 
> in slot5 and hss1 is the card in slot 4.
>    The IBM e-server has about 5 PCI bridges.
>    Do you have any suggestion as to how I might be able to ensure the 
> cards are always detected in the same order? Our system requires that 
> they always be in the same order.

Are the pci device ids different across different boots?  If not, is
there any way you can tie a specific device to a specific interface
(unique hardware addresses, mac addresses, etc.)?

thanks,

greg k-h