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| author |   Christoph Hellwig <hch@lst.de> | 2020-07-08 09:30:00 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2020-07-19 09:29:23 +0200 |
| commit | 2f9237d4f6df49b74c51cdac555b0a9979d0c237 (patch) | |
| tree | 6a09811a657e87bc6b716443993bceb2775a1b8f /drivers/misc/mic | |
| parent | dma-mapping: inline the fast path dma-direct calls (diff) | |
| download | linux-dev-2f9237d4f6df49b74c51cdac555b0a9979d0c237.tar.xz linux-dev-2f9237d4f6df49b74c51cdac555b0a9979d0c237.zip | |
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 'drivers/misc/mic')
| -rw-r--r-- | drivers/misc/mic/Kconfig | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/misc/mic/Kconfig b/drivers/misc/mic/Kconfig index 8f201d019f5a..b9bb086785db 100644 --- a/drivers/misc/mic/Kconfig +++ b/drivers/misc/mic/Kconfig @@ -4,6 +4,7 @@ menu "Intel MIC & related support" config INTEL_MIC_BUS tristate "Intel MIC Bus Driver" depends on 64BIT && PCI && X86 + select DMA_OPS help This option is selected by any driver which registers a device or driver on the MIC Bus, such as CONFIG_INTEL_MIC_HOST, @@ -19,6 +20,7 @@ config INTEL_MIC_BUS config SCIF_BUS tristate "SCIF Bus Driver" depends on 64BIT && PCI && X86 + select DMA_OPS help This option is selected by any driver which registers a device or driver on the SCIF Bus, such as CONFIG_INTEL_MIC_HOST @@ -33,6 +35,7 @@ config SCIF_BUS config VOP_BUS tristate "VOP Bus Driver" + select DMA_OPS help This option is selected by any driver which registers a device or driver on the VOP Bus, such as CONFIG_INTEL_MIC_HOST @@ -49,6 +52,7 @@ config INTEL_MIC_HOST tristate "Intel MIC Host Driver" depends on 64BIT && PCI && X86 depends on INTEL_MIC_BUS && SCIF_BUS && MIC_COSM && VOP_BUS + select DMA_OPS help This enables Host Driver support for the Intel Many Integrated Core (MIC) family of PCIe form factor coprocessor devices that |