[SPARC]: Make bitops use same spinlocks as atomics.

Recent workqueue changes basically make this a formal requirement.

Also, move atomic32.o from lib-y to obj-y since it exports symbols
to modules.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 39 insertions, 0 deletions

diff --git a/arch/sparc/lib/atomic32.c b/arch/sparc/lib/atomic32.c
index de84f8534bac..53ddcd9d1e60 100644
--- a/arch/sparc/lib/atomic32.c
+++ b/arch/sparc/lib/atomic32.c
@@ -76,3 +76,42 @@ 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);