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Date: Thu, 8 Dec 2011 13:20:20 +0530
From: Viresh Kumar <viresh.kumar@st.com>
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To: Vinod Koul <vinod.koul@intel.com>
Cc: Dan Williams <dan.j.williams@intel.com>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        Shiraz HASHIM <shiraz.hashim@st.com>,
        Armando VISCONTI <armando.visconti@st.com>,
        Pratyush ANAND <pratyush.anand@st.com>,
        Deepak SIKRI <deepak.sikri@st.com>, Vipin KUMAR <vipin.kumar@st.com>,
        Vipul Kumar SAMAR <vipulkumar.samar@st.com>,
        Vincenzo FRASCINO <Vincenzo.FRASCINO@st.com>,
        Mirko GARDI <mirko.gardi@st.com>,
        Rajeev KUMAR <rajeev-dlh.kumar@st.com>, Amit VIRDI <Amit.VIRDI@st.com>,
        Bhupesh SHARMA <bhupesh.sharma@st.com>
Subject: Re: dmaengine/Query: What about scatter/gather for mem to mem transfers.
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On 12/8/2011 1:07 PM, Vinod Koul wrote:
> You mean something like:
>        struct dma_async_tx_descriptor *(*device_prep_dma_sg)(
>                 struct dma_chan *chan,
>                 struct scatterlist *dst_sg, unsigned int dst_nents,
>                 struct scatterlist *src_sg, unsigned int src_nents,
>                 unsigned long flags);
> 
> Its already there, you need to implement in your driver :)

Ok. I didn't knew it. :(

-- 
viresh