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authorDan Williams <dan.j.williams@intel.com>2009-03-25 09:13:25 -0700
committerDan Williams <dan.j.williams@intel.com>2009-03-25 09:13:25 -0700
commit729b5d1b8ec72c28e99840b3f300ba67726e3ab9 (patch)
tree8eac6444ea80bf05f461eb77243f56b008ee5083 /drivers/dma
parent06164f3194e01ea4c76941ac60f541d656c8975f (diff)
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')
-rw-r--r--drivers/dma/Kconfig11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index 48ea59e7967..3b3c01b6f1e 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