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[PATCH] spi: add spi_set_drvdata() and spi_get_drvdata()

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Add wrappers for getting and setting the driver data using spi_device
instead of using dev_{get|set}_drvdata with &spi->dev, to mirror the
platform_{get|set}_drvdata.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Ben Dooks 2007-02-12 00:52:41 -08:00 committed by Linus Torvalds
parent 69c202afa8
commit 9b40ff4d72
2 changed files with 12 additions and 1 deletions
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2
Documentation/spi/spi-summary
View File

@ -312,7 +312,7 @@ might look like this unless you're creating a class_device:
chip = kzalloc(sizeof *chip, GFP_KERNEL);
if (!chip)
return -ENOMEM;
dev_set_drvdata(&spi->dev, chip);
spi_set_drvdata(spi, chip);
... etc
return 0;

11
include/linux/spi/spi.h
View File

@ -114,6 +114,17 @@ static inline void spi_set_ctldata(struct spi_device *spi, void *state)
spi->controller_state = state;
}
/* device driver data */
static inline void spi_set_drvdata(struct spi_device *spi, void *data)
{
dev_set_drvdata(&spi->dev, data);
}
static inline void *spi_get_drvdata(struct spi_device *spi)
{
return dev_get_drvdata(&spi->dev);
}
struct spi_message;