linux-kernel - Re: [PATCH v2 5/5] iio: adc: ad7380: use spi_optimize

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Message-ID: <20240224165706.18cc0d7e@jic23-huawei>
Date: Sat, 24 Feb 2024 16:57:06 +0000
From: Jonathan Cameron <jic23@...nel.org>
To: David Lechner <dlechner@...libre.com>
Cc: Mark Brown <broonie@...nel.org>, Martin Sperl <kernel@...tin.sperl.org>,
 David Jander <david@...tonic.nl>, 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, Julien
 Stephan <jstephan@...libre.com>
Subject: Re: [PATCH v2 5/5] iio: adc: ad7380: use spi_optimize_message()

On Mon, 19 Feb 2024 16:33:22 -0600
David Lechner <dlechner@...libre.com> wrote:

> This modifies the ad7380 ADC driver to use spi_optimize_message() to
> optimize the SPI message for the buffered read operation. Since buffered
> reads reuse the same SPI message for each read, this can improve
> performance by reducing the overhead of setting up some parts the SPI
> message in each spi_sync() call.
> 
> Signed-off-by: David Lechner <dlechner@...libre.com>
Looks good to me.

As this is the driver you asked me to drop earlier this cycle,
how do we plan to merge this series?

If Mark is fine taking 1-4 with the user following along that's
fine by me, if not I guess we are in immutable tree territory for
next cycle?

Jonathan