7e4dbdc112
We can just check for !CONFIG_DMA_NONCOHERENT instead and simplify things a lot. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Paul Burton <paul.burton@mips.com> Patchwork: https://patchwork.linux-mips.org/patch/19530/ Signed-off-by: Paul Burton <paul.burton@mips.com> Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: David Daney <david.daney@cavium.com> Cc: Kevin Cernekee <cernekee@gmail.com> Cc: Jiaxun Yang <jiaxun.yang@flygoat.com> Cc: Tom Bogendoerfer <tsbogend@alpha.franken.de> Cc: Huacai Chen <chenhc@lemote.com> Cc: iommu@lists.linux-foundation.org Cc: linux-mips@linux-mips.org
13 lines
365 B
C
13 lines
365 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __ASM_MACH_GENERIC_KMALLOC_H
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#define __ASM_MACH_GENERIC_KMALLOC_H
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#ifdef CONFIG_DMA_NONCOHERENT
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/*
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* Total overkill for most systems but need as a safe default.
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* Set this one if any device in the system might do non-coherent DMA.
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*/
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#define ARCH_DMA_MINALIGN 128
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#endif
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#endif /* __ASM_MACH_GENERIC_KMALLOC_H */
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