On Fri, Jun 27, 2008 at 11:24 AM, David Brownell <david-b@xxxxxxxxxxx> wrote: > On Friday 27 June 2008, Adrian Bunk wrote: >> The only effect of the HAVE_DMA_ENGINE would be to not show an empty >> kconfig menu. > > Well, no. It would also make the network layer memcpy "acceleration" > option unavailable when there was no underlying engine ... similarly > with other pointless "we don't have that subsystem here" options. > Take another look. NET_DMA depends on DMA_ENGINE which only gets selected when a dma device driver is selected. Each driver has its architecture specific dependency, so the DMADEVICES arch dependency was completely redundant. > Plus it would help ensure that the arch dependencies are comprehenible, > unlike that highmem thing. The highmem dependency can go away its only purpose is to prevent hitting the BUILD_BUG_ON in async_xor.c. -- Dan -- To unsubscribe from this list: send the line "unsubscribe linux-embedded" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
