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-rw-r--r--include/asm-sh/rwsem.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/asm-sh/rwsem.h b/include/asm-sh/rwsem.h
index 1be4337f5259..0262d3d1e5e0 100644
--- a/include/asm-sh/rwsem.h
+++ b/include/asm-sh/rwsem.h
@@ -166,5 +166,10 @@ static inline int rwsem_atomic_update(int delta, struct rw_semaphore *sem)
166 return atomic_add_return(delta, (atomic_t *)(&sem->count)); 166 return atomic_add_return(delta, (atomic_t *)(&sem->count));
167} 167}
168 168
169static inline int rwsem_is_locked(struct rw_semaphore *sem)
170{
171 return (sem->count != 0);
172}
173
169#endif /* __KERNEL__ */ 174#endif /* __KERNEL__ */
170#endif /* _ASM_SH_RWSEM_H */ 175#endif /* _ASM_SH_RWSEM_H */