dmaengine: correct invalid assumptions in the Kconfig text

This patch corrects recently changed (and now invalid) Kconfig descriptions
for the DMA engine framework:

 - Non-Intel(R) hardware also has DMA engines;
 - DMA is used for more than memcpy and RAID offloading.

In fact, on most platforms memcpy and RAID aren't factors, and DMA
exists so that peripherals can transfer data to/from memory while
the CPU does other work.

Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index 6a7d25f..c46b7c2 100644 (file)
--- a/drivers/dma/Kconfig
+++ b/drivers/dma/Kconfig
@@ -3,11 +3,13 @@
 #
 
 menuconfig DMADEVICES
-       bool "DMA Offload Engine support"
+       bool "DMA 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.
+         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