diff options
| author | Haavard Skinnemoen <hskinnemoen@atmel.com> | 2007-11-28 16:21:43 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-11-29 09:24:53 -0800 |
| commit | 6d4f5879b6f4da50bde94e1cae73755978ed048f (patch) | |
| tree | 149340866e3a7d65fca49763ce7caa56ada370c4 /drivers/dma | |
| parent | e593f070b40887dc0415646a4c0720eb8630c722 (diff) | |
| download | lwn-6d4f5879b6f4da50bde94e1cae73755978ed048f.tar.gz lwn-6d4f5879b6f4da50bde94e1cae73755978ed048f.zip | |
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>
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/Kconfig | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig index 6a7d25fc2470..c46b7c219ee9 100644 --- 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 |