Remove tas()

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

Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Cc: <linux-arch@vger.kernel.org>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

19 files changed, 0 insertions, 38 deletions

diff --git a/include/asm-alpha/system.h b/include/asm-alpha/system.h
index 42959c356456..cf1021a97b2e 100644
--- a/include/asm-alpha/system.h
+++ b/include/asm-alpha/system.h
@@ -548,9 +548,6 @@ __xchg_u64_local(volatile long *m, unsigned long val)
      		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
diff --git a/include/asm-arm/system.h b/include/asm-arm/system.h
index 25f84da4a97e..f2da3b6e3a83 100644
--- a/include/asm-arm/system.h
+++ b/include/asm-arm/system.h
@@ -103,8 +103,6 @@ void hook_fault_code(int nr, int (*fn)(unsigned long, unsigned int,
 #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);
 
diff --git a/include/asm-arm26/system.h b/include/asm-arm26/system.h
index 00ae32aa1dba..4703593b3bb5 100644
--- a/include/asm-arm26/system.h
+++ b/include/asm-arm26/system.h
@@ -52,8 +52,6 @@ void hook_fault_code(int nr, int (*fn)(unsigned long, unsigned int,
 #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)					\
diff --git a/include/asm-blackfin/system.h b/include/asm-blackfin/system.h
index 758bac7c1e74..b5bf6e7cb5e8 100644
--- a/include/asm-blackfin/system.h
+++ b/include/asm-blackfin/system.h
@@ -138,7 +138,6 @@ extern unsigned long irq_flags;
 #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];
diff --git a/include/asm-h8300/system.h b/include/asm-h8300/system.h
index 5084a9d42922..7807018f8500 100644
--- a/include/asm-h8300/system.h
+++ b/include/asm-h8300/system.h
@@ -98,7 +98,6 @@ asmlinkage void resume(void);
 #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))
diff --git a/include/asm-i386/system.h b/include/asm-i386/system.h
index e0454afb950f..a4ed087ac0ae 100644
--- a/include/asm-i386/system.h
+++ b/include/asm-i386/system.h
@@ -197,8 +197,6 @@ static inline unsigned long get_limit(unsigned long segment)
 
 #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))
 
diff --git a/include/asm-m32r/system.h b/include/asm-m32r/system.h
index 99ee09889ff7..06cdece35865 100644
--- a/include/asm-m32r/system.h
+++ b/include/asm-m32r/system.h
@@ -122,8 +122,6 @@ static inline void local_irq_disable(void)
 #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
diff --git a/include/asm-m68k/system.h b/include/asm-m68k/system.h
index 243dd13e6bfc..198878b53a61 100644
--- a/include/asm-m68k/system.h
+++ b/include/asm-m68k/system.h
@@ -88,7 +88,6 @@ static inline int irqs_disabled(void)
 
 
 #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))
diff --git a/include/asm-m68knommu/system.h b/include/asm-m68knommu/system.h
index 2a814498672d..5e5ed18bb78f 100644
--- a/include/asm-m68knommu/system.h
+++ b/include/asm-m68knommu/system.h
@@ -120,7 +120,6 @@ asmlinkage void resume(void);
 #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))
diff --git a/include/asm-mips/system.h b/include/asm-mips/system.h
index d53dd7245561..30f23a2b46ca 100644
--- a/include/asm-mips/system.h
+++ b/include/asm-mips/system.h
@@ -201,7 +201,6 @@ static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int siz
 }
 
 #define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
-#define tas(ptr) (xchg((ptr),1))
 
 #define __HAVE_ARCH_CMPXCHG 1
 
diff --git a/include/asm-powerpc/system.h b/include/asm-powerpc/system.h
index 77bf5873a013..09621f611dbc 100644
--- a/include/asm-powerpc/system.h
+++ b/include/asm-powerpc/system.h
@@ -335,8 +335,6 @@ __xchg_local(volatile void *ptr, unsigned long x, unsigned int size)
      		(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.
diff --git a/include/asm-ppc/system.h b/include/asm-ppc/system.h
index 56abe5e9e155..d84a3cf4d033 100644
--- a/include/asm-ppc/system.h
+++ b/include/asm-ppc/system.h
@@ -169,7 +169,6 @@ xchg_u32(volatile void *p, unsigned long val)
 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)
 {
diff --git a/include/asm-sh/system.h b/include/asm-sh/system.h
index 127af304865f..e7e96ee0c8a5 100644
--- a/include/asm-sh/system.h
+++ b/include/asm-sh/system.h
@@ -82,16 +82,6 @@ static inline void sched_cacheflush(void)
 }
 #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.
  *
diff --git a/include/asm-sh64/system.h b/include/asm-sh64/system.h
index b1598c26fcb0..5ff94644e8c8 100644
--- a/include/asm-sh64/system.h
+++ b/include/asm-sh64/system.h
@@ -43,8 +43,6 @@ extern struct task_struct *sh64_switch_to(struct task_struct *prev,
 
 #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")
diff --git a/include/asm-sparc/system.h b/include/asm-sparc/system.h
index 100c3eaf3c1f..8b6d9c9c8b93 100644
--- a/include/asm-sparc/system.h
+++ b/include/asm-sparc/system.h
@@ -241,7 +241,6 @@ static inline unsigned long xchg_u32(__volatile__ unsigned long *m, unsigned lon
 }
 
 #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);
 
diff --git a/include/asm-sparc64/system.h b/include/asm-sparc64/system.h
index 32281acb878b..8ba380ec6daa 100644
--- a/include/asm-sparc64/system.h
+++ b/include/asm-sparc64/system.h
@@ -253,7 +253,6 @@ static inline unsigned long xchg64(__volatile__ unsigned long *m, unsigned long
 }
 
 #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);
 
diff --git a/include/asm-v850/system.h b/include/asm-v850/system.h
index da39916f10b0..0de2481fd990 100644
--- a/include/asm-v850/system.h
+++ b/include/asm-v850/system.h
@@ -76,7 +76,6 @@ static inline int irqs_disabled (void)
 
 #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)
diff --git a/include/asm-x86_64/system.h b/include/asm-x86_64/system.h
index 1f1c0bf4a5df..5316f3cac230 100644
--- a/include/asm-x86_64/system.h
+++ b/include/asm-x86_64/system.h
@@ -126,8 +126,6 @@ static inline void sched_cacheflush(void)
 
 #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)
diff --git a/include/asm-xtensa/system.h b/include/asm-xtensa/system.h
index 4aaed7fe6cfe..ddc970847ae9 100644
--- a/include/asm-xtensa/system.h
+++ b/include/asm-xtensa/system.h
@@ -183,8 +183,6 @@ static inline unsigned long xchg_u32(volatile int * m, unsigned long val)
   return tmp;
 }
 
-#define tas(ptr) (xchg((ptr),1))
-
 #define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
 
 /*