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spi: add devm_spi_optimize_message() helper

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Merge series from David Lechner <dlechner@baylibre.com>:

In the IIO subsystem, we are finding that it is common to call
spi_optimize_message() during driver probe since the SPI message
doesn't change for the lifetime of the driver. This patch adds a
devm_spi_optimize_message() helper to simplify this common pattern.
This commit is contained in:
Mark Brown 2024-06-25 18:49:11 +01:00
commit f01062881f
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drivers/spi/spi.c
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@ -4384,6 +4384,7 @@ int devm_spi_optimize_message(struct device *dev, struct spi_device *spi,
return devm_add_action_or_reset(dev, devm_spi_unoptimize_message, msg);
}
EXPORT_SYMBOL_GPL(devm_spi_optimize_message);
/**
* spi_async - asynchronous SPI transfer