[PATCH 5/6] dma-mapping: remove is_device_dma_capable

From: Christoph Hellwig
Date: Fri Aug 16 2019 - 02:29:35 EST


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Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
include/linux/dma-mapping.h | 5 -----
1 file changed, 5 deletions(-)

diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index f7d1eea32c78..14702e2d6fa8 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -149,11 +149,6 @@ static inline int valid_dma_direction(int dma_direction)
(dma_direction == DMA_FROM_DEVICE));
}

-static inline int is_device_dma_capable(struct device *dev)
-{
- return dev->dma_mask != NULL && *dev->dma_mask != DMA_MASK_NONE;
-}
-
#ifdef CONFIG_DMA_DECLARE_COHERENT
/*
* These three functions are only for dma allocator.
--
2.20.1