dmaengine: Driver for Topcliff PCH DMA controller
Topcliff PCH is the platform controller hub that is going to
be used in Intel's upcoming general embedded platforms. This
adds the driver for Topcliff PCH DMA controller. The DMA
channels are strictly for device to host or host to device
transfers and cannot be used for generic memcpy.
Signed-off-by: Yong Wang <yong.y.wang@intel.com>
[kill GFP_ATOMIC, kill __raw_{read|write}l, locking fixlet]
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index 6a3e5bf..fed5763 100644
--- a/drivers/dma/Kconfig
+++ b/drivers/dma/Kconfig
@@ -188,6 +188,13 @@
You need to provide platform specific settings via
platform_data for a dma-pl330 device.
+config PCH_DMA
+ tristate "Topcliff PCH DMA support"
+ depends on PCI && X86
+ select DMA_ENGINE
+ help
+ Enable support for the Topcliff PCH DMA engine.
+
config DMA_ENGINE
bool