PCI hotplug: acpiphp wants a 64-bit _SUN

Certain HP machines require the full 64 bits of _SUN as allowed
by the ACPI spec. Without this change, we get name collisions in
the lower 32 bits of the _SUN returned by firmware.

Acked-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Justin Chen <justin.chen@hp.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
diff --git a/drivers/pci/hotplug/acpiphp.h b/drivers/pci/hotplug/acpiphp.h
index f9e244d..9bcb6cb 100644
--- a/drivers/pci/hotplug/acpiphp.h
+++ b/drivers/pci/hotplug/acpiphp.h
@@ -113,7 +113,7 @@
 
 	u8		device;		/* pci device# */
 
-	u32		sun;		/* ACPI _SUN (slot unique number) */
+	unsigned long long sun;		/* ACPI _SUN (slot unique number) */
 	u32		flags;		/* see below */
 };