On Wed, Feb 13, 2008 at 01:34:12PM +0100, Bartlomiej Zolnierkiewicz wrote:
> On Wednesday 13 February 2008, Greg KH wrote:
> > On Wed, Feb 13, 2008 at 02:17:37AM +0000, Alan Cox wrote:
> > > > Why does the calgary driver need this?  Can we just use pci_get_device()
> > > > instead?  Why do you need to walk the device list backwards?  Do you get
> > > > false positives going forward?
> > > 
> > > It doesn't look to be performance critical so the driver can
> > > pci_get_device until the end and use the final hit anyway.
> > 
> > That would make more sense.
> > 
> > > IDE reverse is more problematic but nobody seems to use it.
> > 
> > I've seen two posters say they use it.  I'm wondering what it is really
> > solving if they use it, and why if it's really needed, scsi never had to
> > implement such a hack...
> 
> It is no longer solving anything, just adds more pain. ;)
> 
> [ The option comes from 2.2.x (so long before LABEL=/ and /dev/disk/by-id/
>   became popular).  Some "off-board" controllers integrated on motherboards
>   used to appear before "on-board" IDE on PCI bus so this option was meant
>   to preserve the legacy ordering. ]
> 
> Since it is valid only when "Probe IDE PCI devices in the PCI bus order
> (DEPRECATED)" config option is used it is already on its way out (though
> marking it as obsoleted would make it more explicit).
> 
> I think that removing "ide=reverse" in 2.6.26 would be OK...

Great, thanks for your blessing.  I'll make up a patch and send it to
you for approval.

thanks,

greg k-h
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