s390/dma: remove dma_is_consistent() declaration

There is no such function nor any caller in the whole kernel.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

diff --git a/arch/s390/include/asm/dma-mapping.h b/arch/s390/include/asm/dma-mapping.h
index e74bc7ac72e0d02b293b5bf509fd1d8a0b5d5fcb..9411db653baca1153c7701046ec2980d5d67b38e 100644 (file)
--- a/arch/s390/include/asm/dma-mapping.h
+++ b/arch/s390/include/asm/dma-mapping.h
@@ -19,7 +19,6 @@ static inline struct dma_map_ops *get_dma_ops(struct device *dev)
 }
 
 extern int dma_set_mask(struct device *dev, u64 mask);
-extern int dma_is_consistent(struct device *dev, dma_addr_t dma_handle);
 
 static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
                                  enum dma_data_direction direction)