atomic_t: unify all arch definitions

The atomic_t type cannot currently be used in some header files because it
would create an include loop with asm/atomic.h.  Move the type definition
to linux/types.h to break the loop.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Cc: Huang Ying <ying.huang@intel.com>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/cris/include/asm/atomic.h b/arch/cris/include/asm/atomic.h
index f71ea68..5718dd8 100644
--- a/arch/cris/include/asm/atomic.h
+++ b/arch/cris/include/asm/atomic.h
@@ -4,7 +4,7 @@
 #define __ASM_CRIS_ATOMIC__
 
 #include <linux/compiler.h>
-
+#include <linux/types.h>
 #include <asm/system.h>
 #include <arch/atomic.h>
 
@@ -13,8 +13,6 @@
  * resource counting etc..
  */
 
-typedef struct { volatile int counter; } atomic_t;
-
 #define ATOMIC_INIT(i)  { (i) }
 
 #define atomic_read(v) ((v)->counter)