Index: kernel/arch/ppc32/include/atomic.h
===================================================================
--- kernel/arch/ppc32/include/atomic.h	(revision dabdd1aaada964f4510bd352506e4f47c078c88d)
+++ kernel/arch/ppc32/include/atomic.h	(revision d0febca9f86b5690d11fec7c645836a758567fe6)
@@ -27,5 +27,5 @@
  */
 
-/** @addtogroup ppc32	
+/** @addtogroup ppc32
  * @{
  */
@@ -38,6 +38,6 @@
 static inline void atomic_inc(atomic_t *val)
 {
-	long tmp;
-
+	atomic_count_t tmp;
+	
 	asm volatile (
 		"1:\n"
@@ -46,6 +46,8 @@
 		"stwcx. %0, 0, %2\n"
 		"bne- 1b"
-		: "=&r" (tmp), "=m" (val->count)
-		: "r" (&val->count), "m" (val->count)
+		: "=&r" (tmp),
+		  "=m" (val->count)
+		: "r" (&val->count),
+		  "m" (val->count)
 		: "cc"
 	);
@@ -54,19 +56,21 @@
 static inline void atomic_dec(atomic_t *val)
 {
-	long tmp;
-
+	atomic_count_t tmp;
+	
 	asm volatile (
 		"1:\n"
 		"lwarx %0, 0, %2\n"
 		"addic %0, %0, -1\n"
-		"stwcx.	%0, 0, %2\n"
+		"stwcx. %0, 0, %2\n"
 		"bne- 1b"
-		: "=&r" (tmp), "=m" (val->count)
-		: "r" (&val->count), "m" (val->count)
+		: "=&r" (tmp),
+		  "=m" (val->count)
+		: "r" (&val->count),
+		  "m" (val->count)
 		: "cc"
 	);
 }
 
-static inline long atomic_postinc(atomic_t *val)
+static inline atomic_count_t atomic_postinc(atomic_t *val)
 {
 	atomic_inc(val);
@@ -74,5 +78,5 @@
 }
 
-static inline long atomic_postdec(atomic_t *val)
+static inline atomic_count_t atomic_postdec(atomic_t *val)
 {
 	atomic_dec(val);
@@ -80,5 +84,5 @@
 }
 
-static inline long atomic_preinc(atomic_t *val)
+static inline atomic_count_t atomic_preinc(atomic_t *val)
 {
 	atomic_inc(val);
@@ -86,5 +90,5 @@
 }
 
-static inline long atomic_predec(atomic_t *val)
+static inline atomic_count_t atomic_predec(atomic_t *val)
 {
 	atomic_dec(val);
Index: kernel/arch/ppc32/include/types.h
===================================================================
--- kernel/arch/ppc32/include/types.h	(revision dabdd1aaada964f4510bd352506e4f47c078c88d)
+++ kernel/arch/ppc32/include/types.h	(revision d0febca9f86b5690d11fec7c645836a758567fe6)
@@ -27,5 +27,5 @@
  */
 
-/** @addtogroup ppc32	
+/** @addtogroup ppc32
  * @{
  */
@@ -55,4 +55,5 @@
 typedef uint32_t unative_t;
 typedef int32_t native_t;
+typedef uint32_t atomic_count_t;
 
 typedef struct {