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| author | Christoph Hellwig <hch@lst.de> | 2023-10-05 09:06:55 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2023-10-22 16:38:02 +0200 |
| commit | da323d4640704001f2287f729124e1cd9d5684d0 (patch) | |
| tree | f1cd06c3197eb9fc6b3c2de51a8927ff278b113e /kernel/dma | |
| parent | ce55c22ec8b223a90ff3e084d842f73cfba35588 (diff) | |
| download | linux-da323d4640704001f2287f729124e1cd9d5684d0.tar.gz linux-da323d4640704001f2287f729124e1cd9d5684d0.tar.bz2 linux-da323d4640704001f2287f729124e1cd9d5684d0.zip | |
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 <hch@lst.de>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Greg Ungerer <gerg@linux-m68k.org>
Tested-by: Greg Ungerer <gerg@linux-m68k.org>
Diffstat (limited to 'kernel/dma')
| -rw-r--r-- | kernel/dma/Kconfig | 2 |
1 files changed, 2 insertions, 0 deletions
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 |