linux-kernel - Re: [PATCH v2 1/5] spi: add spi_optimize

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Date: Mon, 26 Feb 2024 13:48:00 +0000
From: Mark Brown <broonie@...nel.org>
To: David Lechner <dlechner@...libre.com>
Cc: Martin Sperl <kernel@...tin.sperl.org>,
	David Jander <david@...tonic.nl>,
	Jonathan Cameron <jic23@...nel.org>,
	Michael Hennerich <michael.hennerich@...log.com>,
	Nuno Sá <nuno.sa@...log.com>,
	Alain Volmat <alain.volmat@...s.st.com>,
	Maxime Coquelin <mcoquelin.stm32@...il.com>,
	Alexandre Torgue <alexandre.torgue@...s.st.com>,
	linux-spi@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-stm32@...md-mailman.stormreply.com,
	linux-arm-kernel@...ts.infradead.org, linux-iio@...r.kernel.org
Subject: Re: [PATCH v2 1/5] spi: add spi_optimize_message() APIs

On Mon, Feb 19, 2024 at 04:33:18PM -0600, David Lechner wrote:
> This adds a new spi_optimize_message() function that can be used to
> optimize SPI messages that are used more than once. Peripheral drivers
> that use the same message multiple times can use this API to perform SPI
> message validation and controller-specific optimizations once and then
> reuse the message while avoiding the overhead of revalidating the
> message on each spi_(a)sync() call.

This doesn't apply against current code, please check and resend.

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