From da323d4640704001f2287f729124e1cd9d5684d0 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Thu, 5 Oct 2023 09:06:55 +0200 Subject: dma-direct: add dependencies to CONFIG_DMA_GLOBAL_POOL CONFIG_DMA_GLOBAL_POOL can't be combined with other DMA coherent allocators. Add dependencies to Kconfig to document this, and make kconfig complain about unmet dependencies if someone tries. Signed-off-by: Christoph Hellwig Reviewed-by: Robin Murphy Reviewed-by: Lad Prabhakar Reviewed-by: Greg Ungerer Tested-by: Greg Ungerer --- kernel/dma/Kconfig | 2 ++ 1 file changed, 2 insertions(+) (limited to 'kernel/dma/Kconfig') diff --git a/kernel/dma/Kconfig b/kernel/dma/Kconfig index f488997b0717..4524db877eba 100644 --- a/kernel/dma/Kconfig +++ b/kernel/dma/Kconfig @@ -135,6 +135,8 @@ config DMA_COHERENT_POOL config DMA_GLOBAL_POOL select DMA_DECLARE_COHERENT + depends on !ARCH_HAS_DMA_SET_UNCACHED + depends on !DMA_DIRECT_REMAP bool config DMA_DIRECT_REMAP -- cgit v1.2.3