Don't attempt to move resource marked IORESOURCE_PCI_FIXED, even if
pci_claim_resource() fails. In some cases, these are legacy resources that
cannot be moved.
Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
---
arch/x86/pci/i386.c | 15 ++++++++++-----
1 file changed, 10 insertions(+), 5 deletions(-)
diff --git a/arch/x86/pci/i386.c b/arch/x86/pci/i386.c
index db6b1ab43255..6db58d68feb5 100644
--- a/arch/x86/pci/i386.c
+++ b/arch/x86/pci/i386.c
@@ -271,11 +271,16 @@ static void pcibios_allocate_dev_resources(struct pci_dev *dev, int pass)
"BAR %d: reserving %pr (d=%d, p=%d)\n",
idx, r, disabled, pass);
if (pci_claim_resource(dev, idx) < 0) {
- /* We'll assign a new address later */
- pcibios_save_fw_addr(dev,
- idx, r->start);
- r->end -= r->start;
- r->start = 0;
+ if (r->flags & IORESOURCE_PCI_FIXED) {
+ dev_info(&dev->dev, "BAR %d %pR is immovable\n",
+ idx, r);
+ } else {
+ /* We'll assign a new address later */
+ pcibios_save_fw_addr(dev,
+ idx, r->start);
+ r->end -= r->start;
+ r->start = 0;
+ }
}
}
}
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