From dc2acded38957dfa6b7b7e0203b4b8cb8d818ce6 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Fri, 21 Dec 2018 22:14:44 +0100 Subject: dma-mapping: add a kconfig symbol for arch_teardown_dma_ops availability Signed-off-by: Christoph Hellwig Acked-by: Catalin Marinas # arm64 --- include/linux/dma-mapping.h | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) (limited to 'include/linux') diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index 2b20d60e6158..4210c5c1dd21 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -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) { -- cgit v1.2.3