Remove tas()

tas() has no users, so get rid of it.

Signed-off-by: Jeff Dike <[e-mail]>
Cc: <[e-mail]>
Cc: Paolo 'Blaisorblade' Giarrusso <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

include/asm-alpha/system.h

···
      		sizeof(*(ptr))); \
   })
 
-#define tas(ptr) (xchg((ptr),1))
-
-
 /* 
  * Atomic compare and exchange.  Compare OLD with MEM, if identical,
  * store NEW in MEM.  Return the initial value in MEM.  Success is

include/asm-arm/system.h

···
 #define xchg(ptr,x) \
 	((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
 
-#define tas(ptr) (xchg((ptr),1))
-
 extern asmlinkage void __backtrace(void);
 extern asmlinkage void c_backtrace(unsigned long fp, int pmode);
 

include/asm-arm26/system.h

···
 #define xchg(ptr,x) \
 	((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
 
-#define tas(ptr) (xchg((ptr),1))
-
 extern asmlinkage void __backtrace(void);
 
 #define set_cr(x)					\

include/asm-blackfin/system.h

···
 #endif
 
 #define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
-#define tas(ptr) ((void)xchg((ptr),1))
 
 struct __xchg_dummy {
 	unsigned long a[100];

include/asm-h8300/system.h

···
 #endif
 
 #define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
-#define tas(ptr) (xchg((ptr),1))
 
 struct __xchg_dummy { unsigned long a[100]; };
 #define __xg(x) ((volatile struct __xchg_dummy *)(x))

include/asm-i386/system.h

···
 
 #define xchg(ptr,v) ((__typeof__(*(ptr)))__xchg((unsigned long)(v),(ptr),sizeof(*(ptr))))
 
-#define tas(ptr) (xchg((ptr),1))
-
 struct __xchg_dummy { unsigned long a[100]; };
 #define __xg(x) ((struct __xchg_dummy *)(x))
 

include/asm-m32r/system.h

···
 #define xchg(ptr,x) \
 	((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
 
-#define tas(ptr)	(xchg((ptr),1))
-
 #ifdef CONFIG_SMP
 extern void  __xchg_called_with_bad_pointer(void);
 #endif

include/asm-m68k/system.h

···
 
 
 #define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
-#define tas(ptr) (xchg((ptr),1))
 
 struct __xchg_dummy { unsigned long a[100]; };
 #define __xg(x) ((volatile struct __xchg_dummy *)(x))

include/asm-m68knommu/system.h

···
 #endif
 
 #define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
-#define tas(ptr) (xchg((ptr),1))
 
 struct __xchg_dummy { unsigned long a[100]; };
 #define __xg(x) ((volatile struct __xchg_dummy *)(x))

include/asm-mips/system.h

···
 }
 
 #define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
-#define tas(ptr) (xchg((ptr),1))
 
 #define __HAVE_ARCH_CMPXCHG 1
 

include/asm-powerpc/system.h

···
      		(unsigned long)_x_, sizeof(*(ptr))); 			     \
   })
 
-#define tas(ptr) (xchg((ptr),1))
-
 /*
  * Compare and exchange - if *p == old, set it to new,
  * and return the old value of *p.

include/asm-ppc/system.h

···
 extern void __xchg_called_with_bad_pointer(void);
 
 #define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
-#define tas(ptr) (xchg((ptr),1))
 
 static inline unsigned long __xchg(unsigned long x, volatile void *ptr, int size)
 {

include/asm-sh/system.h

···
 }
 #endif
 
-static inline unsigned long tas(volatile int *m)
-{
-	unsigned long retval;
-
-	__asm__ __volatile__ ("tas.b	@%1\n\t"
-			      "movt	%0"
-			      : "=r" (retval): "r" (m): "t", "memory");
-	return retval;
-}
-
 /*
  * A brief note on ctrl_barrier(), the control register write barrier.
  *

include/asm-sh64/system.h

···
 
 #define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
 
-#define tas(ptr) (xchg((ptr), 1))
-
 extern void __xchg_called_with_bad_pointer(void);
 
 #define mb()	__asm__ __volatile__ ("synco": : :"memory")

include/asm-sparc/system.h

···
 }
 
 #define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
-#define tas(ptr) (xchg((ptr),1))
 
 extern void __xchg_called_with_bad_pointer(void);
 

include/asm-sparc64/system.h

···
 }
 
 #define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
-#define tas(ptr) (xchg((ptr),1))
 
 extern void __xchg_called_with_bad_pointer(void);
 

include/asm-v850/system.h

···
 
 #define xchg(ptr, with) \
   ((__typeof__ (*(ptr)))__xchg ((unsigned long)(with), (ptr), sizeof (*(ptr))))
-#define tas(ptr) (xchg ((ptr), 1))
 
 static inline unsigned long __xchg (unsigned long with,
 				    __volatile__ void *ptr, int size)

include/asm-x86_64/system.h

···
 
 #define xchg(ptr,v) ((__typeof__(*(ptr)))__xchg((unsigned long)(v),(ptr),sizeof(*(ptr))))
 
-#define tas(ptr) (xchg((ptr),1))
-
 #define __xg(x) ((volatile long *)(x))
 
 static inline void set_64bit(volatile unsigned long *ptr, unsigned long val)

include/asm-xtensa/system.h

···
   return tmp;
 }
 
-#define tas(ptr) (xchg((ptr),1))
-
 #define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
 
 /*