[PATCH 4/23] make atomic_read() and atomic_set() behavior consistent on avr32

[Chris Snook]

From: Chris Snook <[EMAIL PROTECTED]>

Use volatile consistently in atomic.h on avr32.

Signed-off-by: Chris Snook <[EMAIL PROTECTED]>

--- linux-2.6.23-rc3-orig/include/asm-avr32/atomic.h2007-08-13 
03:14:13.0 -0400
+++ linux-2.6.23-rc3/include/asm-avr32/atomic.h 2007-08-13 04:48:25.0 
-0400
@@ -16,11 +16,18 @@
 
 #include 
 
-typedef struct { volatile int counter; } atomic_t;
+typedef struct { int counter; } 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 *)>counter;
+}
+
+static inline void atomic_set(atomic_t *v, int i)
+{
+*(volatile int *)>counter = i;
+}
 
 /*
  * atomic_sub_return - subtract the atomic variable
-
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[PATCH 4/23] make atomic_read() and atomic_set() behavior consistent on avr32

[Chris Snook]

From: Chris Snook [EMAIL PROTECTED]

Use volatile consistently in atomic.h on avr32.

Signed-off-by: Chris Snook [EMAIL PROTECTED]

--- linux-2.6.23-rc3-orig/include/asm-avr32/atomic.h2007-08-13 
03:14:13.0 -0400
+++ linux-2.6.23-rc3/include/asm-avr32/atomic.h 2007-08-13 04:48:25.0 
-0400
@@ -16,11 +16,18 @@
 
 #include asm/system.h
 
-typedef struct { volatile int counter; } atomic_t;
+typedef struct { int counter; } 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;
+}
 
 /*
  * atomic_sub_return - subtract the atomic variable
-
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