linux-kernel - Re: [PATCH 2/2] dmaengine: altera-msgdma: make response port optional

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Message-ID: <YQD/IecbSJFVWQzo@matsya>
Date:   Wed, 28 Jul 2021 12:24:25 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Olivier Dautricourt <olivier.dautricourt@...lia.com>
Cc:     Rob Herring <robh+dt@...nel.org>, Stefan Roese <sr@...x.de>,
        dmaengine@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] dmaengine: altera-msgdma: make response port optional

On 17-06-21, 21:53, Olivier Dautricourt wrote:
> The response slave port can be disabled in some configuration [1] and
> csr + MSGDMA_CSR_RESP_FILL_LEVEL will be 0 even if transfer has suceeded.
> We have to only rely on the interrupts in that scenario.
> This was tested on cyclone V with the controller resp port disabled.
> 
> [1] https://www.intel.com/content/www/us/en/programmable/documentation/sfo1400787952932.html
> 30.3.1.2
> 30.3.1.3
> 30.5.5
> 
> Fixes:
> https://forum.rocketboards.org/t/ip-msgdma-linux-driver/1919

This should be single line, fixed it up while applying the series

-- 
~Vinod