Commit 58643a3a authored by Christoph Hellwig's avatar Christoph Hellwig
Browse files

arm-nommu: don't define arch_teardown_dma_ops 



We can just use the default implementation.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarRobin Murphy <robin.murphy@arm.com>
parent e0a9317d

arch/arm/include/asm/dma-mapping.h

+2 −0
Original line number Diff line number Diff line
@@ -100,8 +100,10 @@ static inline unsigned long dma_max_pfn(struct device *dev) 
extern void arch_setup_dma_ops(struct device *dev, u64 dma_base, u64 size,

			       const struct iommu_ops *iommu, bool coherent);



#ifdef CONFIG_MMU

#define arch_teardown_dma_ops arch_teardown_dma_ops

extern void arch_teardown_dma_ops(struct device *dev);

#endif



/* do not use this function in a driver */

static inline bool is_device_dma_coherent(struct device *dev)

arch/arm/mm/dma-mapping-nommu.c

+0 −4
Original line number Diff line number Diff line
@@ -237,7 +237,3 @@ void arch_setup_dma_ops(struct device *dev, u64 dma_base, u64 size, 


	set_dma_ops(dev, dma_ops);

}
 


void arch_teardown_dma_ops(struct device *dev)

{

}

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