1 files changed, 0 insertions, 23 deletions

diff --git a/arch/tile/lib/spinlock_32.c b/arch/tile/lib/spinlock_32.c
index 076c6cc43113..db9333f2447c 100644
--- a/arch/tile/lib/spinlock_32.c
+++ b/arch/tile/lib/spinlock_32.c
@@ -62,29 +62,6 @@ int arch_spin_trylock(arch_spinlock_t *lock)
 }
 EXPORT_SYMBOL(arch_spin_trylock);
 
-void arch_spin_unlock_wait(arch_spinlock_t *lock)
-{
-        u32 iterations = 0;
-        int curr = READ_ONCE(lock->current_ticket);
-        int next = READ_ONCE(lock->next_ticket);
-
-        /* Return immediately if unlocked. */
-        if (next == curr)
-                return;
-
-        /* Wait until the current locker has released the lock. */
-        do {
-                delay_backoff(iterations++);
-        } while (READ_ONCE(lock->current_ticket) == curr);
-
-        /*
-         * The TILE architecture doesn't do read speculation; therefore
-         * a control dependency guarantees a LOAD->{LOAD,STORE} order.
-         */
-        barrier();
-}
-EXPORT_SYMBOL(arch_spin_unlock_wait);
-
 /*
  * The low byte is always reserved to be the marker for a "tns" operation
  * since the low bit is set to "1" by a tns.  The next seven bits are