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| author | Dan Williams <dan.j.williams@intel.com> | 2009-03-25 09:13:25 -0700 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2009-03-25 09:13:25 -0700 |
| commit | 729b5d1b8ec72c28e99840b3f300ba67726e3ab9 (patch) | |
| tree | 8eac6444ea80bf05f461eb77243f56b008ee5083 /drivers/dma/Kconfig | |
| parent | 06164f3194e01ea4c76941ac60f541d656c8975f (diff) | |
| download | lwn-729b5d1b8ec72c28e99840b3f300ba67726e3ab9.tar.gz lwn-729b5d1b8ec72c28e99840b3f300ba67726e3ab9.zip | |
dmaengine: allow dma support for async_tx to be toggled
Provide a config option for blocking the allocation of dma channels to
the async_tx api.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/dma/Kconfig')
| -rw-r--r-- | drivers/dma/Kconfig | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig index 48ea59e79672..3b3c01b6f1ee 100644 --- a/drivers/dma/Kconfig +++ b/drivers/dma/Kconfig @@ -98,6 +98,17 @@ config NET_DMA Say Y here if you enabled INTEL_IOATDMA or FSL_DMA, otherwise say N. +config ASYNC_TX_DMA + bool "Async_tx: Offload support for the async_tx api" + depends on DMA_ENGINE + help + This allows the async_tx api to take advantage of offload engines for + memcpy, memset, xor, and raid6 p+q operations. If your platform has + a dma engine that can perform raid operations and you have enabled + MD_RAID456 say Y. + + If unsure, say N. + config DMATEST tristate "DMA Test client" depends on DMA_ENGINE |