On Mon, 1 Jun 2009 09:29:43 +0100 Russell King <rmk+lkml@xxxxxxxxxxxxxxxx> wrote: > On Mon, Jun 01, 2009 at 05:08:09PM +0900, FUJITA Tomonori wrote: > > This adds a version of the dma-mapping API to asm-generic that can be > > used by most architectures that only need a linear mapping. > > It depends what is meant by "linear mapping". > > If that's just a way of saying "all that needs to be done for the > DMA streaming APIs is to flush the cache" then the vast majority of > ARMs fall into that category. I guess that his definition is 'no dynamic remapping'. > The DMA bounce code is a broken design concept that really needs to > be put to death. You are talking about arch/arm/common/dmabounce.c? If so, it sounds more interesting (to me at least). It's kinda swiotlb per device, right? What you want to do for arch/arm/common/dmabounce.c? -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
