X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=arch%2Fsparc%2Flib%2Fatomic32.c;h=559335f4917d1d1d03ee7ea28b9ff8e7d6948c6e;hb=eaf60d6924759eb2a249c0b568533a90c238061b;hp=de84f8534bacd24d310a635bc1769ed3c6fd06d1;hpb=d1397f837647d8b6b3c9253a7e713d203f3cbb26;p=pandora-kernel.git diff --git a/arch/sparc/lib/atomic32.c b/arch/sparc/lib/atomic32.c index de84f8534bac..559335f4917d 100644 --- a/arch/sparc/lib/atomic32.c +++ b/arch/sparc/lib/atomic32.c @@ -52,6 +52,7 @@ int atomic_cmpxchg(atomic_t *v, int old, int new) spin_unlock_irqrestore(ATOMIC_HASH(v), flags); return ret; } +EXPORT_SYMBOL(atomic_cmpxchg); int atomic_add_unless(atomic_t *v, int a, int u) { @@ -65,6 +66,7 @@ int atomic_add_unless(atomic_t *v, int a, int u) spin_unlock_irqrestore(ATOMIC_HASH(v), flags); return ret != u; } +EXPORT_SYMBOL(atomic_add_unless); /* Atomic operations are already serializing */ void atomic_set(atomic_t *v, int i) @@ -76,3 +78,42 @@ void atomic_set(atomic_t *v, int i) spin_unlock_irqrestore(ATOMIC_HASH(v), flags); } EXPORT_SYMBOL(atomic_set); + +unsigned long ___set_bit(unsigned long *addr, unsigned long mask) +{ + unsigned long old, flags; + + spin_lock_irqsave(ATOMIC_HASH(addr), flags); + old = *addr; + *addr = old | mask; + spin_unlock_irqrestore(ATOMIC_HASH(addr), flags); + + return old & mask; +} +EXPORT_SYMBOL(___set_bit); + +unsigned long ___clear_bit(unsigned long *addr, unsigned long mask) +{ + unsigned long old, flags; + + spin_lock_irqsave(ATOMIC_HASH(addr), flags); + old = *addr; + *addr = old & ~mask; + spin_unlock_irqrestore(ATOMIC_HASH(addr), flags); + + return old & mask; +} +EXPORT_SYMBOL(___clear_bit); + +unsigned long ___change_bit(unsigned long *addr, unsigned long mask) +{ + unsigned long old, flags; + + spin_lock_irqsave(ATOMIC_HASH(addr), flags); + old = *addr; + *addr = old ^ mask; + spin_unlock_irqrestore(ATOMIC_HASH(addr), flags); + + return old & mask; +} +EXPORT_SYMBOL(___change_bit);