Messages in this thread | | | From | Kumar Gala <> | Subject | Re: [PATCH] PCI: Add pci_assign_resource_fixed -- allow fixed address assignments | Date | Thu, 27 Apr 2006 19:12:14 -0500 |
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On Apr 27, 2006, at 5:34 PM, Andrew Morton wrote:
> Kumar Gala <galak@kernel.crashing.org> 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?
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