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dma-mapping: add a kconfig symbol for arch_teardown_dma_ops availability

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Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Catalin Marinas <catalin.marinas@arm.com> # arm64
This commit is contained in:
Christoph Hellwig
2018-12-21 22:14:44 +01:00
parent 347cb6af87
commit dc2acded38
6 changed files with 12 additions and 13 deletions
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5
arch/arm/include/asm/dma-mapping.h
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@@ -96,11 +96,6 @@ static inline unsigned long dma_max_pfn(struct device *dev)
}
#define dma_max_pfn(dev) dma_max_pfn(dev)
#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)
{