locking/cmpxchg, arch: Remove tas() definitions

It seems that commit 5dc12ddee93 ("Remove tas()") missed some files.
Correct this and fully drop this macro, for which we should be using
cmpxchg() like calls.

Signed-off-by: Davidlohr Bueso <[e-mail]>
Signed-off-by: Peter Zijlstra (Intel) <[e-mail]>
Cc: <[e-mail]>
Cc: Andrew Morton <[e-mail]>
Cc: Aurelien Jacquiot <[e-mail]>
Cc: Chris Metcalf <[e-mail]>
Cc: David Howells <dhowells@re hat.com>
Cc: Linus Torvalds <[e-mail]>
Cc: Paul E. McKenney <[e-mail]>
Cc: Peter Zijlstra <[e-mail]>
Cc: Steven Miao <[e-mail]>
Cc: Thomas Gleixner <[e-mail]>
Cc: [e-mail]
Link: http://lkml.kernel.org/r/[e-mail]
Signed-off-by: Ingo Molnar <[e-mail]>

arch/blackfin/include/asm/cmpxchg.h

···
 #endif /* !CONFIG_SMP */
 
 #define xchg(ptr, x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x), (ptr), sizeof(*(ptr))))
-#define tas(ptr) ((void)xchg((ptr), 1))
 
 #endif /* __ARCH_BLACKFIN_CMPXCHG__ */

arch/c6x/include/asm/cmpxchg.h

···
 #define xchg(ptr, x) \
 	((__typeof__(*(ptr)))__xchg((unsigned int)(x), (void *) (ptr), \
 				    sizeof(*(ptr))))
-#define tas(ptr)    xchg((ptr), 1)
-
 
 #include <asm-generic/cmpxchg-local.h>
 

arch/frv/include/asm/cmpxchg.h

···
 
 #endif
 
-#define tas(ptr) (xchg((ptr), 1))
-
 /*****************************************************************************/
 /*
  * compare and conditionally exchange value with memory

arch/tile/include/asm/cmpxchg.h

···
 
 #endif
 
-#define tas(ptr) xchg((ptr), 1)
-
 #endif /* __ASSEMBLY__ */
 
 #endif /* _ASM_TILE_CMPXCHG_H */