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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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      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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