diff --git a/[refs] b/[refs]
index 688d22b0c65f..f1a1879137ee 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: db97bc7f9997fef41b24c91f61c2f776d32d7ce3
+refs/heads/master: 257d569821165a76fb4c91d74909c2e61fe41e46
diff --git a/trunk/arch/powerpc/platforms/cell/iommu.c b/trunk/arch/powerpc/platforms/cell/iommu.c
index 22667a09d40e..4326b737d913 100644
--- a/trunk/arch/powerpc/platforms/cell/iommu.c
+++ b/trunk/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