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authorChristoph Hellwig <hch@lst.de>2020-07-08 09:30:00 +0200
committerChristoph Hellwig <hch@lst.de>2020-07-19 09:29:23 +0200
commit2f9237d4f6df49b74c51cdac555b0a9979d0c237 (patch)
tree6a09811a657e87bc6b716443993bceb2775a1b8f /arch/ia64
parentb4174173005972f8f6497883d08d87e0aba1b604 (diff)
downloadlinux-2f9237d4f6df49b74c51cdac555b0a9979d0c237.tar.bz2
dma-mapping: make support for dma ops optional
Avoid the overhead of the dma ops support for tiny builds that only use the direct mapping. Signed-off-by: Christoph Hellwig <hch@lst.de> Tested-by: Alexey Kardashevskiy <aik@ozlabs.ru> Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Diffstat (limited to 'arch/ia64')
-rw-r--r--arch/ia64/Kconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 1fa2fe2ef053..5b4ec80bf586 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -192,6 +192,7 @@ config IA64_SGI_UV
config IA64_HP_SBA_IOMMU
bool "HP SBA IOMMU support"
+ select DMA_OPS
default y
help
Say Y here to add support for the SBA IOMMU found on HP zx1 and