On Tue, 8 Mar 2016 19:48:53 +0530
Vinod Koul [off-list ref] wrote:

On Tue, Mar 08, 2016 at 12:15:13PM +0100, Boris Brezillon wrote:

quoted

 
+#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