[SPARC64]: Implement little-endian bitops using normal ones.

Just like s390 and ppc64.
Signed-off-by: David S. Miller <davem@redhat.com>

arch/sparc64/kernel/sparc64_ksyms.c

@@ -185,8 +185,6 @@ EXPORT_SYMBOL(atomic_dec_and_lock);
 EXPORT_SYMBOL(___test_and_set_bit);
 EXPORT_SYMBOL(___test_and_clear_bit);
 EXPORT_SYMBOL(___test_and_change_bit);
-EXPORT_SYMBOL(___test_and_set_le_bit);
-EXPORT_SYMBOL(___test_and_clear_le_bit);
 
 /* Bit searching */
 EXPORT_SYMBOL(find_next_bit);

arch/sparc64/lib/bitops.S

@@ -64,41 +64,3 @@ ___test_and_change_bit:	/* %o0=nr, %o1=addr */
 2:	retl
 	 membar	#StoreLoad | #StoreStore
 	nop
-
-	.globl	___test_and_set_le_bit
-___test_and_set_le_bit:	/* %o0=nr, %o1=addr */
-	srlx	%o0, 5, %g1
-	mov	1, %g5
-	sllx	%g1, 2, %g3
-	and	%o0, 31, %g2
-	sllx	%g5, %g2, %g5
-	add	%o1, %g3, %o1
-	lduwa	[%o1] ASI_PL, %g7
-1:	andcc	%g7, %g5, %o0
-	bne,pn	%icc, 2f
-	 xor	%g7, %g5, %g1
-	casa	[%o1] ASI_PL, %g7, %g1
-	cmp	%g7, %g1
-	bne,a,pn %icc, 1b
-	 lduwa	[%o1] ASI_PL, %g7
-2:	retl
-	 membar	#StoreLoad | #StoreStore
-
-	.globl	___test_and_clear_le_bit
-___test_and_clear_le_bit:	/* %o0=nr, %o1=addr */
-	srlx	%o0, 5, %g1
-	mov	1, %g5
-	sllx	%g1, 2, %g3
-	and	%o0, 31, %g2
-	sllx	%g5, %g2, %g5
-	add	%o1, %g3, %o1
-	lduwa	[%o1] ASI_PL, %g7
-1:	andcc	%g7, %g5, %o0
-	be,pn	%icc, 2f
-	 xor	%g7, %g5, %g1
-	casa	[%o1] ASI_PL, %g7, %g1
-	cmp	%g7, %g1
-	bne,a,pn %icc, 1b
-	 lduwa	[%o1] ASI_PL, %g7
-2:	retl
-	 membar	#StoreLoad | #StoreStore

include/asm-sparc64/bitops.h

@@ -228,13 +228,10 @@ extern unsigned long find_next_zero_bit(unsigned long *, unsigned long, unsigned
 #define find_first_zero_bit(addr, size) \
         find_next_zero_bit((addr), (size), 0)
 
-extern long ___test_and_set_le_bit(int nr, volatile unsigned long *addr);
-extern long ___test_and_clear_le_bit(int nr, volatile unsigned long *addr);
-
-#define test_and_set_le_bit(nr,addr)	({___test_and_set_le_bit(nr,addr)!=0;})
-#define test_and_clear_le_bit(nr,addr)	({___test_and_clear_le_bit(nr,addr)!=0;})
-#define set_le_bit(nr,addr)		((void)___test_and_set_le_bit(nr,addr))
-#define clear_le_bit(nr,addr)		((void)___test_and_clear_le_bit(nr,addr))
+#define test_and_set_le_bit(nr,addr)	\
+	({ ___test_and_set_bit((nr) ^ 0x38, (addr)) != 0; })
+#define test_and_clear_le_bit(nr,addr)	\
+	({ ___test_and_clear_bit((nr) ^ 0x38, (addr)) != 0; })
 
 static __inline__ int test_le_bit(int nr, __const__ unsigned long * addr)
 {
@@ -253,22 +250,30 @@ extern unsigned long find_next_zero_le_bit(unsigned long *, unsigned long, unsig
 
 #ifdef __KERNEL__
 
-#define ext2_set_bit(nr,addr)		test_and_set_le_bit((nr),(unsigned long *)(addr))
-#define ext2_set_bit_atomic(lock,nr,addr) test_and_set_le_bit((nr),(unsigned long *)(addr))
-#define ext2_clear_bit(nr,addr)		test_and_clear_le_bit((nr),(unsigned long *)(addr))
-#define ext2_clear_bit_atomic(lock,nr,addr) test_and_clear_le_bit((nr),(unsigned long *)(addr))
-#define ext2_test_bit(nr,addr)		test_le_bit((nr),(unsigned long *)(addr))
+#define ext2_set_bit(nr,addr)	\
+	test_and_set_le_bit((nr),(unsigned long *)(addr))
+#define ext2_set_bit_atomic(lock,nr,addr) \
+	test_and_set_le_bit((nr),(unsigned long *)(addr))
+#define ext2_clear_bit(nr,addr)	\
+	test_and_clear_le_bit((nr),(unsigned long *)(addr))
+#define ext2_clear_bit_atomic(lock,nr,addr) \
+	test_and_clear_le_bit((nr),(unsigned long *)(addr))
+#define ext2_test_bit(nr,addr)	\
+	test_le_bit((nr),(unsigned long *)(addr))
 #define ext2_find_first_zero_bit(addr, size) \
 	find_first_zero_le_bit((unsigned long *)(addr), (size))
 #define ext2_find_next_zero_bit(addr, size, off) \
 	find_next_zero_le_bit((unsigned long *)(addr), (size), (off))
 
 /* Bitmap functions for the minix filesystem.  */
-#define minix_test_and_set_bit(nr,addr)	test_and_set_bit((nr),(unsigned long *)(addr))
-#define minix_set_bit(nr,addr)		set_bit((nr),(unsigned long *)(addr))
+#define minix_test_and_set_bit(nr,addr)	\
+	test_and_set_bit((nr),(unsigned long *)(addr))
+#define minix_set_bit(nr,addr)	\
+	set_bit((nr),(unsigned long *)(addr))
 #define minix_test_and_clear_bit(nr,addr) \
 	test_and_clear_bit((nr),(unsigned long *)(addr))
-#define minix_test_bit(nr,addr)		test_bit((nr),(unsigned long *)(addr))
+#define minix_test_bit(nr,addr)	\
+	test_bit((nr),(unsigned long *)(addr))
 #define minix_find_first_zero_bit(addr,size) \
 	find_first_zero_bit((unsigned long *)(addr),(size))