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-rw-r--r--arch/mips/pci/pci.c19
1 files changed, 15 insertions, 4 deletions
diff --git a/arch/mips/pci/pci.c b/arch/mips/pci/pci.c
index a1843448fad3..0872f12f268d 100644
--- a/arch/mips/pci/pci.c
+++ b/arch/mips/pci/pci.c
@@ -1,6 +1,6 @@
/*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
@@ -175,9 +175,20 @@ static DEFINE_MUTEX(pci_scan_mutex);
void register_pci_controller(struct pci_controller *hose)
{
- if (request_resource(&iomem_resource, hose->mem_resource) < 0)
+ struct resource *parent;
+
+ parent = hose->mem_resource->parent;
+ if (!parent)
+ parent = &iomem_resource;
+
+ if (request_resource(parent, hose->mem_resource) < 0)
goto out;
- if (request_resource(&ioport_resource, hose->io_resource) < 0) {
+
+ parent = hose->io_resource->parent;
+ if (!parent)
+ parent = &ioport_resource;
+
+ if (request_resource(parent, hose->io_resource) < 0) {
release_resource(hose->mem_resource);
goto out;
}