linux-kernel - Re: [RFC] DPCM for Tegra

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Message-ID: <20200506155311.GG5299@sirena.org.uk>
Date:   Wed, 6 May 2020 16:53:11 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Jerome Brunet <jbrunet@...libre.com>
Cc:     Sameer Pujar <spujar@...dia.com>, perex@...ex.cz, tiwai@...e.com,
        kuninori.morimoto.gx@...esas.com, nicoleotsuka@...il.com,
        alsa-devel@...a-project.org, swarren@...dia.com,
        linux-kernel@...r.kernel.org, nwartikar@...dia.com,
        lgirdwood@...il.com, jonathanh@...dia.com, viswanathl@...dia.com,
        sharadg@...dia.com, thierry.reding@...il.com,
        atalambedu@...dia.com, linux-tegra@...r.kernel.org,
        digetx@...il.com, rlokhande@...dia.com, mkumard@...dia.com,
        dramesh@...dia.com
Subject: Re: [RFC] DPCM for Tegra

On Wed, May 06, 2020 at 04:47:09PM +0200, Jerome Brunet wrote:
> On Wed 06 May 2020 at 16:12, Sameer Pujar <spujar@...dia.com> wrote:

> > XBAR currently exports all routing widgets which can be used to
> > interconnect multiple components and thus implements Mux widgets. Fixing
> > the routing paths in driver would limit anyone to try a different
> > combination as per the need, unless driver is modified.

> I did not mean that you should restrict the routing ability of your SoC,
> quite the opposite actually.

> You should just expose it correctly

Yes, it's going to be less effort in the long run if nothing else.

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