From: Mark Brown <broonie@kernel.org>
To: Sameer Pujar <spujar@nvidia.com>
Cc: robh+dt@kernel.org, krzk+dt@kernel.org, thierry.reding@gmail.com,
lgirdwood@gmail.com, perex@perex.cz, tiwai@suse.com,
jonathanh@nvidia.com, mkumard@nvidia.com, sheetal@nvidia.com,
alsa-devel@alsa-project.org, devicetree@vger.kernel.org,
linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org,
stable@vger.kernel.org
Subject: Re: [PATCH 7/8] arm64: tegra: Update AHUB clock parent and rate on Tegra234
Date: Thu, 22 Jun 2023 13:13:23 +0100 [thread overview]
Message-ID: <410e46f1-11ab-4775-9328-48aa45906b48@sirena.org.uk> (raw)
In-Reply-To: <1687433656-7892-8-git-send-email-spujar@nvidia.com>
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On Thu, Jun 22, 2023 at 05:04:15PM +0530, Sameer Pujar wrote:
> From: Sheetal <sheetal@nvidia.com>
>
> I2S data sanity tests fail beyond a bit clock frequency of 6.144MHz.
> This happens because the AHUB clock rate is too low and it shows
> 9.83MHz on boot.
>
> The maximum rate of PLLA_OUT0 is 49.152MHz and is used to serve I/O
> clocks. It is recommended that AHUB clock operates higher than this.
> Thus fix this by using PLLP_OUT0 as parent clock for AHUB instead of
> PLLA_OUT0 and fix the rate to 81.6MHz.
>
> Fixes: dc94a94daa39 ("arm64: tegra: Add audio devices on Tegra234")
> Cc: stable@vger.kernel.org
> Signed-off-by: Sheetal <sheetal@nvidia.com>
Fixes should come before cleanups in a patch series to ensure that they
can be applied and sent as fixes without dependencies on non-fixes.
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next prev parent reply other threads:[~2023-06-22 12:13 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-22 11:34 [PATCH 0/8] Few audio fixes on Tegra platforms Sameer Pujar
2023-06-22 11:34 ` [PATCH 1/8] ASoC: tegra: Fix SFC conversion for few rates Sameer Pujar
2023-06-22 11:34 ` [PATCH 2/8] ASoC: tegra: Fix AMX byte map Sameer Pujar
2023-06-22 12:07 ` Mark Brown
2023-06-23 5:39 ` Sameer Pujar
2023-06-23 10:15 ` Mark Brown
2023-06-26 9:41 ` Sameer Pujar
2023-06-22 11:34 ` [PATCH 3/8] ASoC: tegra: Fix ADX " Sameer Pujar
2023-06-22 11:34 ` [PATCH 4/8] ASoC: rt5640: Fix sleep in atomic context Sameer Pujar
2023-06-22 12:12 ` Mark Brown
2023-06-23 4:54 ` Sameer Pujar
2023-06-22 11:34 ` [PATCH 5/8] ASoC: tegra: Use normal system sleep for ASRC Sameer Pujar
2023-06-22 11:34 ` [PATCH 6/8] ASoC: tegra: Remove stale comments in AHUB Sameer Pujar
2023-06-22 11:34 ` [PATCH 7/8] arm64: tegra: Update AHUB clock parent and rate on Tegra234 Sameer Pujar
2023-06-22 12:13 ` Mark Brown [this message]
2023-06-23 4:51 ` Sameer Pujar
2023-06-22 11:34 ` [PATCH 8/8] arm64: tegra: Update AHUB clock parent and rate Sameer Pujar
2023-06-22 22:33 ` (subset) [PATCH 0/8] Few audio fixes on Tegra platforms Mark Brown
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