[PATCH 5/23] make atomic_read() and atomic_set() behavior consistent on blackfin

[Chris Snook <csnook@redhat.com>]

From: Chris Snook <csnook@redhat.com>

Use volatile consistently in atomic.h on blackfin.

Signed-off-by: Chris Snook <csnook@redhat.com>

--- linux-2.6.23-rc3-orig/include/asm-blackfin/atomic.h	2007-07-08 19:32:17.000000000 -0400
+++ linux-2.6.23-rc3/include/asm-blackfin/atomic.h	2007-08-13 05:21:07.000000000 -0400
@@ -18,8 +18,15 @@ typedef struct {
 } atomic_t;
 #define ATOMIC_INIT(i)	{ (i) }
 
-#define atomic_read(v)		((v)->counter)
-#define atomic_set(v, i)	(((v)->counter) = i)
+static inline int atomic_read(atomic_t *v)
+{
+        return *(volatile int *)&v->counter;
+}
+
+static inline void atomic_set(atomic_t *v, int i)
+{
+        *(volatile int *)&v->counter = i;
+}
 
 static __inline__ void atomic_add(int i, atomic_t * v)
 {
-
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