linux-kernel - Re: [RFT 25/25] ARM: dts: s5pv210: align DMA channels with dtschema

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Date:   Tue, 8 Sep 2020 08:57:22 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Jonathan Bakker <xc-racer2@...e.ca>
Cc:     Kukjin Kim <kgene@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Paweł Chmiel <pawel.mikolaj.chmiel@...il.com>,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-iio@...r.kernel.org
Subject: Re: [RFT 25/25] ARM: dts: s5pv210: align DMA channels with dtschema

On Mon, Sep 07, 2020 at 05:28:54PM -0700, Jonathan Bakker wrote:
> Ah, I figured out why the dma stopped working.  In s5pv210-aries.dtsi the dma's for i2s0
> are overriden to use pdma0 instead of pdma1.  That also needs changing for this to
> work properly.

Indeed I missed this, thanks for review and tests.

Best regards,
Krzysztof

> 
> Thanks,
> Jonathan
> 
> On 2020-09-07 5:17 p.m., Jonathan Bakker wrote:
> > Initial testing on both an i9000 and an SGH-T959P are showing that the audio has
> > stopped working with this.  I'm not 100% convinced as I've had DMA issues in the
> > past.  However trying to play something just results in a hang after 1.5s while
> > it works just fine without this patch.
> > 
> > Thanks,
> > Jonathan