linux-kernel - Re: [PATCH v3 11/18] dmaengine: dma-jz4780: Add missing residue DTC mask

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Date:   Tue, 24 Jul 2018 19:08:53 +0530
From:   Vinod <vkoul@...nel.org>
To:     Paul Cercueil <paul@...pouillou.net>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Ralf Baechle <ralf@...ux-mips.org>,
        Paul Burton <paul.burton@...s.com>,
        James Hogan <jhogan@...nel.org>,
        Zubair Lutfullah Kakakhel <Zubair.Kakakhel@...tec.com>,
        Mathieu Malaterre <malat@...ian.org>,
        Daniel Silsby <dansilsby@...il.com>, dmaengine@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mips@...ux-mips.org
Subject: Re: [PATCH v3 11/18] dmaengine: dma-jz4780: Add missing residue DTC
 mask

On 21-07-18, 13:06, Paul Cercueil wrote:
> From: Daniel Silsby <dansilsby@...il.com>
> 
> The 'dtc' word in jz DMA descriptors contains two fields: The
> lowest 24 bits are the transfer count, and upper 8 bits are the DOA
> offset to next descriptor. The upper 8 bits are now correctly masked
> off when computing residue in jz4780_dma_desc_residue(). Note that
> reads of the DTCn hardware reg are automatically masked this way.
> 
> Signed-off-by: Daniel Silsby <dansilsby@...il.com>
> Tested-by: Mathieu Malaterre <malat@...ian.org>

This needs your s-o-b. Please see Documentation/process/submitting-patches.rst

I think Randy did flag this one some other patch as well. All the
patches need to be signed off by sender as well

-- 
~Vinod