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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
2024-06-23 13:14:18 +01:00
parent 5d0c35feea d4a0055fdc
commit 17436001a6
575 changed files with 5923 additions and 3318 deletions
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include/linux/spi/spi.h
+2
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@@ -1272,6 +1272,8 @@ static inline void spi_message_free(struct spi_message *m)
extern int spi_optimize_message(struct spi_device *spi, struct spi_message *msg);
extern void spi_unoptimize_message(struct spi_message *msg);
extern int devm_spi_optimize_message(struct device *dev, struct spi_device *spi,
struct spi_message *msg);
extern int spi_setup(struct spi_device *spi);
extern int spi_async(struct spi_device *spi, struct spi_message *message);