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Date: Tue, 13 Feb 2024 17:55:43 +0000
From: Mark Brown <broonie@kernel.org>
To: Nuno =?iso-8859-1?Q?S=E1?= <noname.nuno@gmail.com>
Cc: David Lechner <dlechner@baylibre.com>,
	Martin Sperl <kernel@martin.sperl.org>,
	David Jander <david@protonic.nl>,
	Jonathan Cameron <jic23@kernel.org>,
	Michael Hennerich <michael.hennerich@analog.com>,
	Nuno =?iso-8859-1?Q?S=E1?= <nuno.sa@analog.com>,
	Alain Volmat <alain.volmat@foss.st.com>,
	Maxime Coquelin <mcoquelin.stm32@gmail.com>,
	Alexandre Torgue <alexandre.torgue@foss.st.com>,
	linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-stm32@st-md-mailman.stormreply.com,
	linux-arm-kernel@lists.infradead.org, linux-iio@vger.kernel.org
Subject: Re: [PATCH 1/5] spi: add spi_optimize_message() APIs
Message-ID: <890cc62c-9ae3-41b7-98a8-2c3245570045@sirena.org.uk>
References: <20240212-mainline-spi-precook-message-v1-0-a2373cd72d36@baylibre.com>
 <20240212-mainline-spi-precook-message-v1-1-a2373cd72d36@baylibre.com>
 <92e7e0acf6d8746a07729924982acbfea777c468.camel@gmail.com>
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On Tue, Feb 13, 2024 at 10:53:56AM +0100, Nuno S=E1 wrote:
> On Mon, 2024-02-12 at 17:26 -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

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