dma-direct: add dependencies to CONFIG_DMA_GLOBAL_POOL

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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>

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Christoph Hellwig 2023-10-05 09:06:55 +02:00

parent ce55c22ec8

commit da323d4640

1 changed files with 2 additions and 0 deletions

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kernel/dma/Kconfig

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