From: Mark Brown <broonie@kernel.org>
To: "Martin Povišer" <povik+lin@cutebit.org>
Cc: Liam Girdwood <lgirdwood@gmail.com>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Hector Martin <marcan@marcan.st>, Sven Peter <sven@svenpeter.dev>,
Philipp Zabel <p.zabel@pengutronix.de>,
Alyssa Rosenzweig <alyssa@rosenzweig.io>,
asahi@lists.linux.dev, alsa-devel@alsa-project.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 4/4] ASoC: apple: mca: Add locks on foreign cluster access
Date: Mon, 22 Aug 2022 18:45:25 +0100 [thread overview]
Message-ID: <YwPAtY1kp5tU/isF@sirena.org.uk> (raw)
In-Reply-To: <20220819125430.4920-5-povik+lin@cutebit.org>
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On Fri, Aug 19, 2022 at 02:54:30PM +0200, Martin Povišer wrote:
> In DAI ops, accesses to the native cluster (of the DAI), and to data of
> clusters related to it by a DPCM frontend-backend link, should have
> been synchronized by the 'pcm_mutex' lock at ASoC level.
>
> What is not covered are the 'port_driver' accesses on foreign clusters
> to which the current cluster has no a priori relation, so fill in
> locking for that. (This should only matter in bizarre configurations of
> sharing one MCA peripheral between ASoC cards.)
This also looks good.
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prev parent reply other threads:[~2022-08-22 17:46 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-19 12:54 [PATCH v2 0/4] ASoC platform driver for Apple MCA Martin Povišer
2022-08-19 12:54 ` [PATCH v2 1/4] dt-bindings: sound: Add Apple MCA I2S transceiver Martin Povišer
2022-08-19 12:58 ` Martin Povišer
2022-08-19 13:08 ` Krzysztof Kozlowski
2022-08-19 13:09 ` Krzysztof Kozlowski
2022-08-19 14:14 ` Martin Povišer
2022-08-19 14:17 ` Krzysztof Kozlowski
2022-08-22 18:59 ` Rob Herring
2022-08-19 12:54 ` [PATCH v2 2/4] arm64: dts: apple: t8103: Add MCA and its support Martin Povišer
2022-08-19 13:12 ` Krzysztof Kozlowski
2022-08-19 14:24 ` Martin Povišer
2022-08-23 11:02 ` Krzysztof Kozlowski
2022-08-19 12:54 ` [PATCH v2 3/4] ASoC: apple: mca: Start new platform driver Martin Povišer
2022-08-22 17:39 ` Mark Brown
2022-08-23 7:33 ` Martin Povišer
2022-08-23 11:31 ` Mark Brown
2022-08-23 11:51 ` Martin Povišer
2022-08-23 11:53 ` Martin Povišer
2022-08-19 12:54 ` [PATCH v2 4/4] ASoC: apple: mca: Add locks on foreign cluster access Martin Povišer
2022-08-22 17:45 ` Mark Brown [this message]
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