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dma-mapping: remove is_device_dma_capable

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Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20190816062435.881-6-hch@lst.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Christoph Hellwig
2019-08-16 08:24:34 +02:00
committed by Greg Kroah-Hartman
parent 5d6ff300f0
commit bd5defaee8
1 changed files with 0 additions and 5 deletions
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5
include/linux/dma-mapping.h
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@@ -149,11 +149,6 @@ static inline int valid_dma_direction(int dma_direction)
(dma_direction == DMA_FROM_DEVICE)); (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 #ifdef CONFIG_DMA_DECLARE_COHERENT
/* /*
* These three functions are only for dma allocator. * These three functions are only for dma allocator.