Subject: [PATCH V3 08/12] dmaengine/dw_dmac: Unmap all memory buffers after completion of non-slave transfers

From: [email-masked] (Viresh Kumar)
Date: Mon, 6 Feb 2012 13:41:40 +0530

On 2/2/2012 5:45 PM, Russell King - ARM Linux wrote:
> I'm still unconvinced that this is anywhere close to correct.
> 
> Look.  DMA engines only automatically unmap when they're being used by the
> async_tx stuff for memcpy's, and RAID computation offload, and the like.
> These work with individual single buffers, not scatterlists.  These will
> not be fragmented.

Got it. You are right.

@Vinod: Please drop this patch.

-- 
viresh