1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index add1a19bbbfe..1b8f67d21d53 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -190,7 +190,7 @@ static int __devinit acpi_pci_root_add(struct acpi_device *device)
         struct acpi_pci_root *root = NULL;
         struct acpi_pci_root *tmp;
         acpi_status status = AE_OK;
-        unsigned long value = 0;
+        unsigned long long value = 0;
         acpi_handle handle = NULL;
         struct acpi_device *child;