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| author |   Logan Gunthorpe <logang@deltatee.com> | 2020-01-03 14:20:19 -0700 |
|---|---|---|
| committer |   Vinod Koul <vkoul@kernel.org> | 2020-01-15 19:40:51 +0530 |
| commit | 905ca51e63be794331e09ff74ccddd44393d3378 (patch) | |
| tree | 518af4e246446e17949112bb07ab04cdc6ac6a6f /drivers/dma/Kconfig | |
| parent | dmaengine: imx-sdma: Fix memory leak (diff) | |
| download | linux-dev-905ca51e63be794331e09ff74ccddd44393d3378.tar.xz linux-dev-905ca51e63be794331e09ff74ccddd44393d3378.zip | |
dmaengine: plx-dma: Introduce PLX DMA engine PCI driver skeleton
Some PLX Switches can expose DMA engines via extra PCI functions
on the upstream port. Each function will have one DMA channel.
This patch is just the core PCI driver skeleton and dma
engine registration.
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Link: https://lore.kernel.org/r/20200103212021.2881-2-logang@deltatee.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma/Kconfig')
| -rw-r--r-- | drivers/dma/Kconfig | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig index 6fa1eba9d477..312a6cc36c78 100644 --- a/drivers/dma/Kconfig +++ b/drivers/dma/Kconfig @@ -497,6 +497,15 @@ config PXA_DMA 16 to 32 channels for peripheral to memory or memory to memory transfers. +config PLX_DMA + tristate "PLX ExpressLane PEX Switch DMA Engine Support" + depends on PCI + select DMA_ENGINE + help + Some PLX ExpressLane PCI Switches support additional DMA engines. + These are exposed via extra functions on the switch's + upstream port. Each function exposes one DMA channel. + config SIRF_DMA tristate "CSR SiRFprimaII/SiRFmarco DMA support" depends on ARCH_SIRF |