X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=drivers%2Fdma%2FKconfig;h=9c91b0fd134f231c83a89a4d250f6922575b49a0;hb=54e840dd5021ae03c5d2b4158b191bb67f584b75;hp=b31756d599787b6872077f1829c506574a8f6a24;hpb=c211092313b90f898dec61f35207fc282d1eadc3;p=powerpc.git

diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index b31756d599..9c91b0fd13 100644
--- a/drivers/dma/Kconfig
+++ b/drivers/dma/Kconfig
@@ -2,42 +2,52 @@
 # DMA engine configuration
 #
 
-menu "DMA Engine support"
-	depends on !S390
+menuconfig DMADEVICES
+	bool "DMA Offload Engine support"
+	depends on (PCI && X86) || ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX
+	help
+	  Intel(R) offload engines enable offloading memory copies in the
+	  network stack and RAID operations in the MD driver.
+
+if DMADEVICES
+
+comment "DMA Devices"
+
+config INTEL_IOATDMA
+	tristate "Intel I/OAT DMA support"
+	depends on PCI && X86
+	select DMA_ENGINE
+	select DCA
+	help
+	  Enable support for the Intel(R) I/OAT DMA engine present
+	  in recent Intel Xeon chipsets.
+
+	  Say Y here if you have such a chipset.
+
+	  If unsure, say N.
+
+config INTEL_IOP_ADMA
+	tristate "Intel IOP ADMA support"
+	depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX
+	select ASYNC_CORE
+	select DMA_ENGINE
+	help
+	  Enable support for the Intel(R) IOP Series RAID engines.
 
 config DMA_ENGINE
-	bool "Support for DMA engines"
-	---help---
-          DMA engines offload bulk memory operations from the CPU to dedicated
-          hardware, allowing the operations to happen asynchronously.
+	bool
 
 comment "DMA Clients"
+	depends on DMA_ENGINE
 
 config NET_DMA
 	bool "Network: TCP receive copy offload"
 	depends on DMA_ENGINE && NET
 	default y
-	---help---
+	help
 	  This enables the use of DMA engines in the network stack to
 	  offload receive copy-to-user operations, freeing CPU cycles.
 	  Since this is the main user of the DMA engine, it should be enabled;
 	  say Y here.
 
-comment "DMA Devices"
-
-config INTEL_IOATDMA
-	tristate "Intel I/OAT DMA support"
-	depends on DMA_ENGINE && PCI
-	default m
-	---help---
-	  Enable support for the Intel(R) I/OAT DMA engine.
-
-config INTEL_IOP_ADMA
-        tristate "Intel IOP ADMA support"
-        depends on DMA_ENGINE && (ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX)
-	select ASYNC_CORE
-        default m
-        ---help---
-          Enable support for the Intel(R) IOP Series RAID engines.
-
-endmenu
+endif