linux-kernel - Re: [PATCH v1] ASoC: meson: axg-fifo: set option to use raw spinlock

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Message-ID: <2b16b95e-196e-4d8a-98c3-3be568cdd18a@sirena.org.uk>
Date: Mon, 29 Jul 2024 15:44:38 +0100
From: Mark Brown <broonie@...nel.org>
To: Jerome Brunet <jbrunet@...libre.com>
Cc: Arseniy Krasnov <avkrasnov@...utedevices.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>,
	Neil Armstrong <neil.armstrong@...aro.org>,
	Kevin Hilman <khilman@...libre.com>,
	Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
	alsa-devel@...a-project.org, linux-sound@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org,
	kernel@...rdevices.ru, oxffffaa@...il.com
Subject: Re: [PATCH v1] ASoC: meson: axg-fifo: set option to use raw spinlock

On Mon, Jul 29, 2024 at 04:15:31PM +0200, Jerome Brunet wrote:

> Maybe mmio regmap should '.use_raw_spinlock = true' by default when
> '.fast_io' is set ?

> Mark, what is your opinion on this ? I guess it is not the first time
> this occurs ?

I don't recall this coming up much TBH.  It may be that people just set
raw spinlocks when they need it, or that there's not many people using
relevant devices with RT kernels.

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