Messages in this thread | | | Date | Tue, 8 Mar 2016 15:46:20 +0100 | From | Boris Brezillon <> | Subject | Re: [PATCH 5/7] mtd: provide helper to prepare buffers for DMA operations |
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On Tue, 8 Mar 2016 19:48:53 +0530 Vinod Koul <vinod.koul@intel.com> wrote:
> On Tue, Mar 08, 2016 at 12:15:13PM +0100, Boris Brezillon wrote: > > > > +#ifdef CONFIG_HAS_DMA > > Shouldn't this be CONFIG_DMA_ENGINE as you are preparing these descriptors > for DMA transfer? >
Nope, scatterlist users are not necessarily using a dmaengine, some IPs are directly embedding a dedicated DMA engine, which has no driver in drivers/dma/.
-- Boris Brezillon, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com
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