Ever since commit 
240504adaf07 ("ia64/PCI: Keep CPU physical (not
virtual) addresses in shadow ROM resource") 'addr' has been unused,
resulting in the following compiler warning,
  arch/ia64/sn/kernel/io_acpi_init.c: In function 'sn_acpi_slot_fixup':
  arch/ia64/sn/kernel/io_acpi_init.c:429:16: warning: unused variable 'addr' [-Wunused-variable]
    void __iomem *addr;
                ^
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Bjorn Helgaas <helgaas@kernel.org>
Signed-off-by: Matt Fleming <matt@codeblueprint.co.uk>
Signed-off-by: Tony Luck <tony.luck@intel.com>
 
 void
 sn_acpi_slot_fixup(struct pci_dev *dev)
 {
-       void __iomem *addr;
        struct pcidev_info *pcidev_info = NULL;
        struct sn_irq_info *sn_irq_info = NULL;
        struct resource *res;