linux-kernel - Re: [PATCH] dmaengine: sprd: Fix the DMA link-list configuration

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Message-ID: <20190904055555.GD2672@vkoul-mobl>
Date:   Wed, 4 Sep 2019 11:25:55 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Baolin Wang <baolin.wang@...aro.org>
Cc:     orsonzhai@...il.com, zhang.lyra@...il.com,
        dan.j.williams@...el.com, linux-kernel@...r.kernel.org,
        dmaengine@...r.kernel.org, eric.long@...soc.com
Subject: Re: [PATCH] dmaengine: sprd: Fix the DMA link-list configuration

On 30-08-19, 15:37, Baolin Wang wrote:
> For the Spreadtrum DMA link-list mode, when the DMA engine got a slave
> hardware request, which will trigger the DMA engine to load the DMA
> configuration from the link-list memory automatically. But before the
> slave hardware request, the slave will get an incorrect residue due
> to the first node used to trigger the link-list was configured as the
> last source address and destination address.
> 
> Thus we should make sure the first node was configured the start source
> address and destination address, which can fix this issue.

Applied, thanks

-- 
~Vinod