Re: [PATCH v6 05/14] crypto: marvell/CESA: add TDMA support
From: Herbert Xu <herbert@gondor.apana.org.au>
Date: 2015-06-17 09:50:49
Also in:
linux-arm-kernel, linux-devicetree, lkml
On Wed, Jun 17, 2015 at 09:45:33AM +0200, Boris Brezillon wrote:
+ ret = dma_map_sg(cesa_dev->dev, req->src, creq->src_nents, + DMA_TO_DEVICE); + if (!ret) + return -ENOMEM; + + creq->src_nents = ret;
DMA-API-HOWTO says that you must retain the original nents and use it when you call dma_unmap_sg. So I'm afraid one more repost is needed :) Thanks, -- Email: Herbert Xu [off-list ref] Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt