Pull sbs into release branch

[pandora-kernel.git] / arch / ia64 / sn / kernel / io_acpi_init.c

diff --git a/arch/ia64/sn/kernel/io_acpi_init.c b/arch/ia64/sn/kernel/io_acpi_init.c
index c6216f4..3c7178f 100644 (file)
--- a/arch/ia64/sn/kernel/io_acpi_init.c
+++ b/arch/ia64/sn/kernel/io_acpi_init.c
@@ -418,7 +418,7 @@ 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;
-       size_t size;
+       size_t image_size, size;
 
        if (sn_acpi_get_pcidev_info(dev, &pcidev_info, &sn_irq_info)) {
                panic("%s:  Failure obtaining pcidev_info for %s\n",
@@ -428,17 +428,16 @@ sn_acpi_slot_fixup(struct pci_dev *dev)
        if (pcidev_info->pdi_pio_mapped_addr[PCI_ROM_RESOURCE]) {
                /*
                 * A valid ROM image exists and has been shadowed by the
-                * PROM. Setup the pci_dev ROM resource to point to
-                * the shadowed copy.
+                * PROM. Setup the pci_dev ROM resource with the address
+                * of the shadowed copy, and the actual length of the ROM image.
                 */
-               size = dev->resource[PCI_ROM_RESOURCE].end -
-                               dev->resource[PCI_ROM_RESOURCE].start;
-               addr =
-                    ioremap(pcidev_info->pdi_pio_mapped_addr[PCI_ROM_RESOURCE],
-                            size);
+               size = pci_resource_len(dev, PCI_ROM_RESOURCE);
+               addr = ioremap(pcidev_info->pdi_pio_mapped_addr[PCI_ROM_RESOURCE],
+                              size);
+               image_size = pci_get_rom_size(addr, size);
                dev->resource[PCI_ROM_RESOURCE].start = (unsigned long) addr;
                dev->resource[PCI_ROM_RESOURCE].end =
-                                               (unsigned long) addr + size;
+                                       (unsigned long) addr + image_size - 1;
                dev->resource[PCI_ROM_RESOURCE].flags |= IORESOURCE_ROM_BIOS_COPY;
        }
        sn_pci_fixup_slot(dev, pcidev_info, sn_irq_info);