1 files changed, 1 insertions, 1 deletions

diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c
index 22667a09d40e..4326b737d913 100644
--- a/arch/powerpc/platforms/cell/iommu.c
+++ b/arch/powerpc/platforms/cell/iommu.c
@@ -1066,7 +1066,7 @@ static int __init cell_iommu_fixed_mapping_init(void)
         fbase = _ALIGN_UP(fbase, 1 << IO_SEGMENT_SHIFT);
         fsize = lmb_phys_mem_size();
 
-        if ((fbase + fsize) <= 0x800000000)
+        if ((fbase + fsize) <= 0x800000000ul)
                 hbase = 0; /* use the device tree window */
         else {
                 /* If we're over 32 GB we need to cheat. We can't map all of