1 files changed, 17 insertions, 2 deletions

diff --git a/drivers/pci/setup-res.c b/drivers/pci/setup-res.c
index ab78e4bbdd83..cb4ced3560e9 100644
--- a/drivers/pci/setup-res.c
+++ b/drivers/pci/setup-res.c
@@ -33,11 +33,22 @@ pci_update_resource(struct pci_dev *dev, struct resource *res, int resno)
         u32 new, check, mask;
         int reg;
 
-        /* Ignore resources for unimplemented BARs and unused resource slots
-           for 64 bit BARs. */
+        /*
+         * Ignore resources for unimplemented BARs and unused resource slots
+         * for 64 bit BARs.
+         */
         if (!res->flags)
                 return;
 
+        /*
+         * Ignore non-moveable resources.  This might be legacy resources for
+         * which no functional BAR register exists or another important
+         * system resource we should better not move around in system address
+         * space.
+         */
+        if (res->flags & IORESOURCE_PCI_FIXED)
+                return;
+
         pcibios_resource_to_bus(dev, &region, res);
 
         pr_debug("  got res [%llx:%llx] bus [%lx:%lx] flags %lx for "
@@ -212,6 +223,10 @@ pdev_sort_resources(struct pci_dev *dev, struct resource_list *head)
                 resource_size_t r_align;
 
                 r = &dev->resource[i];
+
+                if (r->flags & IORESOURCE_PCI_FIXED)
+                        continue;
+
                 r_align = r->end - r->start;
                 
                 if (!(r->flags) || r->parent)