Blackfin: convert locking primitives to asm-generic

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

1 files changed, 9 insertions, 189 deletions

diff --git a/arch/blackfin/include/asm/bitops.h b/arch/blackfin/include/asm/bitops.h
index 75fee2f7d9f2..daffa71576d4 100644
--- a/arch/blackfin/include/asm/bitops.h
+++ b/arch/blackfin/include/asm/bitops.h
@@ -1,26 +1,22 @@
 #ifndef _BLACKFIN_BITOPS_H
 #define _BLACKFIN_BITOPS_H
 
-/*
- * Copyright 1992, Linus Torvalds.
- */
-
-#include <linux/compiler.h>
-#include <asm/byteorder.h>      /* swab32 */
-
-#ifdef __KERNEL__
+#ifndef CONFIG_SMP
+# include <asm-generic/bitops.h>
+#else
 
 #ifndef _LINUX_BITOPS_H
 #error only <linux/bitops.h> can be included directly
 #endif
 
+#include <linux/compiler.h>
+#include <asm/byteorder.h>      /* swab32 */
+
 #include <asm-generic/bitops/ffs.h>
 #include <asm-generic/bitops/__ffs.h>
 #include <asm-generic/bitops/sched.h>
 #include <asm-generic/bitops/ffz.h>
 
-#ifdef CONFIG_SMP
-
 #include <linux/linkage.h>
 
 asmlinkage int __raw_bit_set_asm(volatile unsigned long *addr, int nr);
@@ -79,189 +75,13 @@ static inline int test_and_change_bit(int nr, volatile unsigned long *addr)
         return __raw_bit_test_toggle_asm(a, nr & 0x1f);
 }
 
-#else /* !CONFIG_SMP */
-
-#include <asm/system.h>         /* save_flags */
-
-static inline void set_bit(int nr, volatile unsigned long *addr)
-{
-        int *a = (int *)addr;
-        int mask;
-        unsigned long flags;
-        a += nr >> 5;
-        mask = 1 << (nr & 0x1f);
-        local_irq_save_hw(flags);
-        *a |= mask;
-        local_irq_restore_hw(flags);
-}
-
-static inline void clear_bit(int nr, volatile unsigned long *addr)
-{
-        int *a = (int *)addr;
-        int mask;
-        unsigned long flags;
-        a += nr >> 5;
-        mask = 1 << (nr & 0x1f);
-        local_irq_save_hw(flags);
-        *a &= ~mask;
-        local_irq_restore_hw(flags);
-}
-
-static inline void change_bit(int nr, volatile unsigned long *addr)
-{
-        int mask;
-        unsigned long flags;
-        unsigned long *ADDR = (unsigned long *)addr;
-
-        ADDR += nr >> 5;
-        mask = 1 << (nr & 31);
-        local_irq_save_hw(flags);
-        *ADDR ^= mask;
-        local_irq_restore_hw(flags);
-}
-
-static inline int test_and_set_bit(int nr, volatile unsigned long *addr)
-{
-        int mask, retval;
-        volatile unsigned int *a = (volatile unsigned int *)addr;
-        unsigned long flags;
-
-        a += nr >> 5;
-        mask = 1 << (nr & 0x1f);
-        local_irq_save_hw(flags);
-        retval = (mask & *a) != 0;
-        *a |= mask;
-        local_irq_restore_hw(flags);
-
-        return retval;
-}
-
-static inline int test_and_clear_bit(int nr, volatile unsigned long *addr)
-{
-        int mask, retval;
-        volatile unsigned int *a = (volatile unsigned int *)addr;
-        unsigned long flags;
-
-        a += nr >> 5;
-        mask = 1 << (nr & 0x1f);
-        local_irq_save_hw(flags);
-        retval = (mask & *a) != 0;
-        *a &= ~mask;
-        local_irq_restore_hw(flags);
-
-        return retval;
-}
-
-static inline int test_and_change_bit(int nr, volatile unsigned long *addr)
-{
-        int mask, retval;
-        volatile unsigned int *a = (volatile unsigned int *)addr;
-        unsigned long flags;
-
-        a += nr >> 5;
-        mask = 1 << (nr & 0x1f);
-        local_irq_save_hw(flags);
-        retval = (mask & *a) != 0;
-        *a ^= mask;
-        local_irq_restore_hw(flags);
-        return retval;
-}
-
-#endif /* CONFIG_SMP */
-
 /*
  * clear_bit() doesn't provide any barrier for the compiler.
  */
 #define smp_mb__before_clear_bit()      barrier()
 #define smp_mb__after_clear_bit()       barrier()
 
-static inline void __set_bit(int nr, volatile unsigned long *addr)
-{
-        int *a = (int *)addr;
-        int mask;
-
-        a += nr >> 5;
-        mask = 1 << (nr & 0x1f);
-        *a |= mask;
-}
-
-static inline void __clear_bit(int nr, volatile unsigned long *addr)
-{
-        int *a = (int *)addr;
-        int mask;
-
-        a += nr >> 5;
-        mask = 1 << (nr & 0x1f);
-        *a &= ~mask;
-}
-
-static inline void __change_bit(int nr, volatile unsigned long *addr)
-{
-        int mask;
-        unsigned long *ADDR = (unsigned long *)addr;
-
-        ADDR += nr >> 5;
-        mask = 1 << (nr & 31);
-        *ADDR ^= mask;
-}
-
-static inline int __test_and_set_bit(int nr, volatile unsigned long *addr)
-{
-        int mask, retval;
-        volatile unsigned int *a = (volatile unsigned int *)addr;
-
-        a += nr >> 5;
-        mask = 1 << (nr & 0x1f);
-        retval = (mask & *a) != 0;
-        *a |= mask;
-        return retval;
-}
-
-static inline int __test_and_clear_bit(int nr, volatile unsigned long *addr)
-{
-        int mask, retval;
-        volatile unsigned int *a = (volatile unsigned int *)addr;
-
-        a += nr >> 5;
-        mask = 1 << (nr & 0x1f);
-        retval = (mask & *a) != 0;
-        *a &= ~mask;
-        return retval;
-}
-
-static inline int __test_and_change_bit(int nr,
-                                            volatile unsigned long *addr)
-{
-        int mask, retval;
-        volatile unsigned int *a = (volatile unsigned int *)addr;
-
-        a += nr >> 5;
-        mask = 1 << (nr & 0x1f);
-        retval = (mask & *a) != 0;
-        *a ^= mask;
-        return retval;
-}
-
-static inline int __test_bit(int nr, const void *addr)
-{
-        int *a = (int *)addr;
-        int mask;
-
-        a += nr >> 5;
-        mask = 1 << (nr & 0x1f);
-        return ((mask & *a) != 0);
-}
-
-#ifndef CONFIG_SMP
-/*
- * This routine doesn't need irq save and restore ops in UP
- * context.
- */
-static inline int test_bit(int nr, const void *addr)
-{
-        return __test_bit(nr, addr);
-}
-#endif
+#include <asm-generic/bitops/non-atomic.h>
 
 #include <asm-generic/bitops/find.h>
 #include <asm-generic/bitops/hweight.h>
@@ -272,10 +92,10 @@ static inline int test_bit(int nr, const void *addr)
 
 #include <asm-generic/bitops/minix.h>
 
-#endif                          /* __KERNEL__ */
-
 #include <asm-generic/bitops/fls.h>
 #include <asm-generic/bitops/__fls.h>
 #include <asm-generic/bitops/fls64.h>
 
+#endif /* CONFIG_SMP */
+
 #endif                          /* _BLACKFIN_BITOPS_H */