[PATCH] arch/powerpc trivial annotations

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c
index b43466b..67d617b 100644
--- a/arch/powerpc/platforms/cell/iommu.c
+++ b/arch/powerpc/platforms/cell/iommu.c
@@ -149,7 +149,8 @@
 static void invalidate_tce_cache(struct cbe_iommu *iommu, unsigned long *pte,
 		long n_ptes)
 {
-	unsigned long *reg, val;
+	unsigned long __iomem *reg;
+	unsigned long val;
 	long n;
 
 	reg = iommu->xlate_regs + IOC_IOPT_CacheInvd;
@@ -592,7 +593,7 @@
 	/* Init base fields */
 	i = cbe_nr_iommus++;
 	iommu = &iommus[i];
-	iommu->stab = 0;
+	iommu->stab = NULL;
 	iommu->nid = nid;
 	snprintf(iommu->name, sizeof(iommu->name), "iommu%d", i);
 	INIT_LIST_HEAD(&iommu->windows);