On Thu, Apr 27, 2006 at 07:12:14PM -0500, Kumar Gala wrote:
>
> On Apr 27, 2006, at 5:34 PM, Andrew Morton wrote:
>
> >Kumar Gala <[email protected]> wrote:
> >>
> >>On some embedded systems the PCI address for hotplug devices are
> >>not only
> >>known a priori but are required to be at a given PCI address for
> >>other
> >>master in the system to be able to access.
> >>
> >>An example of such a system would be an FPGA which is setup from
> >>user space
> >>after the system has booted. The FPGA may be access by DSPs in
> >>the system
> >>and those DSPs expect the FPGA at a fixed PCI address.
> >>
> >>Added pci_assign_resource_fixed() as a way to allow assignment of
> >>the PCI
> >>devices's BARs at fixed PCI addresses.
> >
> >Is there any sane way in which we can arrange for this function to
> >not be
> >present in vmlinux's which don't need it?
> >
> >Options would be
> >
> >a) Put it in a .a file.
> >
> > - messy from a source perspective
> >
> > - doesn't work if the only reference is from a module
> >
> > - small gains anyway.
> >
> >b) Use CONFIG_EMBEDDED.
>
> I'm fine with wrapping it in a CONFIG_EMBEDDED, Greg?
That's fine with me. Care to send me an updated patch? I'll drop the
other one then.
thanks,
greg k-h
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