dma-mapping: remove HAVE_ARCH_DMA_SUPPORTED

Signed-off-by: Christoph Hellwig <hch@lst.de>

diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index a57875309bfdd8eeb90f492cbe34b62b783f27cd..3e5908656226ef21fa80ac582fd05329ecc27fcf 100644 (file)
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -549,7 +549,6 @@ static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
        return 0;
 }
 
-#ifndef HAVE_ARCH_DMA_SUPPORTED
 static inline int dma_supported(struct device *dev, u64 mask)
 {
        const struct dma_map_ops *ops = get_dma_ops(dev);
@@ -560,7 +559,6 @@ static inline int dma_supported(struct device *dev, u64 mask)
                return 1;
        return ops->dma_supported(dev, mask);
 }
-#endif
 
 #ifndef HAVE_ARCH_DMA_SET_MASK
 static inline int dma_set_mask(struct device *dev, u64 mask)