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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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10
include/linux/dma-mapping.h
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@@ -681,9 +681,13 @@ static inline void arch_setup_dma_ops(struct device *dev, u64 dma_base,
}
#endif /* CONFIG_ARCH_HAS_SETUP_DMA_OPS */
#ifndef arch_teardown_dma_ops
static inline void arch_teardown_dma_ops(struct device *dev) { }
#endif
#ifdef CONFIG_ARCH_HAS_TEARDOWN_DMA_OPS
void arch_teardown_dma_ops(struct device *dev);
#else
static inline void arch_teardown_dma_ops(struct device *dev)
{
}
#endif /* CONFIG_ARCH_HAS_TEARDOWN_DMA_OPS */
static inline unsigned int dma_get_max_seg_size(struct device *dev)
{