diff options
| author | Christoph Hellwig <hch@lst.de> | 2018-12-21 22:14:44 +0100 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2019-02-13 19:12:50 +0100 |
| commit | dc2acded38957dfa6b7b7e0203b4b8cb8d818ce6 (patch) | |
| tree | 9cf274e19000726408fcf2512915d9e27a600fa1 /arch/arm64 | |
| parent | 347cb6af8710b72cf9685fdc09d07873cf42d51f (diff) | |
| download | lwn-dc2acded38957dfa6b7b7e0203b4b8cb8d818ce6.tar.gz lwn-dc2acded38957dfa6b7b7e0203b4b8cb8d818ce6.zip | |
dma-mapping: add a kconfig symbol for arch_teardown_dma_ops availability
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Catalin Marinas <catalin.marinas@arm.com> # arm64
Diffstat (limited to 'arch/arm64')
| -rw-r--r-- | arch/arm64/Kconfig | 1 | ||||
| -rw-r--r-- | arch/arm64/include/asm/dma-mapping.h | 5 |
2 files changed, 1 insertions, 5 deletions
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 63909f318d56..87ec7be25e97 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -29,6 +29,7 @@ config ARM64 select ARCH_HAS_SYNC_DMA_FOR_DEVICE select ARCH_HAS_SYNC_DMA_FOR_CPU select ARCH_HAS_SYSCALL_WRAPPER + select ARCH_HAS_TEARDOWN_DMA_OPS if IOMMU_SUPPORT select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST select ARCH_HAVE_NMI_SAFE_CMPXCHG select ARCH_INLINE_READ_LOCK if !PREEMPT diff --git a/arch/arm64/include/asm/dma-mapping.h b/arch/arm64/include/asm/dma-mapping.h index de96507ee2c1..de98191e4c7d 100644 --- a/arch/arm64/include/asm/dma-mapping.h +++ b/arch/arm64/include/asm/dma-mapping.h @@ -29,11 +29,6 @@ static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus) return NULL; } -#ifdef CONFIG_IOMMU_DMA -void arch_teardown_dma_ops(struct device *dev); -#define arch_teardown_dma_ops arch_teardown_dma_ops -#endif - /* * Do not use this function in a driver, it is only provided for * arch/arm/mm/xen.c, which is used by arm64 as well. |