async_tx: kill tx_set_src and tx_set_dest methods

[linux-2.6-omap-h63xx.git] / drivers / dma / Kconfig

diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index 9c91b0fd134f231c83a89a4d250f6922575b49a0..a703deffb7954cd3a1fd4831adaa48403b1b06ba 100644 (file)
--- a/drivers/dma/Kconfig
+++ b/drivers/dma/Kconfig
@@ -3,11 +3,14 @@
 #
 
 menuconfig DMADEVICES
-       bool "DMA Offload Engine support"
+       bool "DMA Engine support"
        depends on (PCI && X86) || ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX
+       depends on !HIGHMEM64G
        help
-         Intel(R) offload engines enable offloading memory copies in the
-         network stack and RAID operations in the MD driver.
+         DMA engines can do asynchronous data transfers without
+         involving the host CPU.  Currently, this framework can be
+         used to offload memory copies in the network stack and
+         RAID operations in the MD driver.
 
 if DMADEVICES
 
@@ -43,7 +46,6 @@ comment "DMA Clients"
 config NET_DMA
        bool "Network: TCP receive copy offload"
        depends on DMA_ENGINE && NET
-       default y
        help
          This enables the use of DMA engines in the network stack to
          offload receive copy-to-user operations, freeing CPU cycles.