Messages in this thread Patch in this message | | | From | Jiaxun Yang <> | Subject | [PATCH 5/7] dma-mapping: Provide CONFIG_ARCH_DMA_DEFAULT_COHERENT | Date | Tue, 21 Feb 2023 12:46:11 +0000 |
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Provide a kconfig option to allow arches to manipulate default value of dma_default_coherent in Kconfig.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com> --- kernel/dma/Kconfig | 3 +++ kernel/dma/mapping.c | 2 +- 2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/kernel/dma/Kconfig b/kernel/dma/Kconfig index 56866aaa2ae1..968108fdf9bf 100644 --- a/kernel/dma/Kconfig +++ b/kernel/dma/Kconfig @@ -76,6 +76,9 @@ config ARCH_HAS_DMA_PREP_COHERENT config ARCH_HAS_FORCE_DMA_UNENCRYPTED bool +config ARCH_DMA_DEFAULT_COHERENT + bool + config SWIOTLB bool select NEED_DMA_MAP_STATE diff --git a/kernel/dma/mapping.c b/kernel/dma/mapping.c index e0b005c8ffce..3d4a2ca15b5a 100644 --- a/kernel/dma/mapping.c +++ b/kernel/dma/mapping.c @@ -20,7 +20,7 @@ #if defined(CONFIG_ARCH_HAS_SYNC_DMA_FOR_DEVICE) || \ defined(CONFIG_ARCH_HAS_SYNC_DMA_FOR_CPU) || \ defined(CONFIG_ARCH_HAS_SYNC_DMA_FOR_CPU_ALL) -bool dma_default_coherent; +bool dma_default_coherent = IS_ENABLED(CONFIG_ARCH_DMA_DEFAULT_COHERENT); #endif /* -- 2.37.1 (Apple Git-137.1)
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