linux-kernel - Re: [PATCH 2/2] ASoC: tegra: Fix redundant PLLA and PLLA

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Message-ID: <262708f6-d25c-4734-834e-6a3959ad6c07@sirena.org.uk>
Date:   Thu, 7 Sep 2023 15:35:38 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Sameer Pujar <spujar@...dia.com>
Cc:     lgirdwood@...il.com, perex@...ex.cz, tiwai@...e.com,
        thierry.reding@...il.com, jonathanh@...dia.com,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        linux-tegra@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH 2/2] ASoC: tegra: Fix redundant PLLA and PLLA_OUT0 updates

On Thu, Sep 07, 2023 at 07:51:13PM +0530, Sameer Pujar wrote:
> On 07-09-2023 17:21, Mark Brown wrote:
> > On Thu, Sep 07, 2023 at 12:22:13PM +0530, Sameer Pujar wrote:

> > > Fixes: 202e2f774543 ("ASoC: tegra: Add audio graph based card driver")
> > > Cc: stable@...r.kernel.org

> > This is just a performance improvement rather than a correctness fix as
> > far as I can tell?

> This was supposed to be a performance improvement. However this is found to
> be resolving a DMIC clock discrepancy and suspect is it happens because of
> back to back quick PLLA updates. Thought it would be safer to have this fix
> in stable releases. May be I should mention these points to justify the
> 'Fixes' and 'stable' tag?

Yes, please - that does make sense as a fix.

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