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    SubjectRe: [PATCH 3/5] SPI: Add helper macro for spi_driver boilerplate
    On Wed, Nov 16, 2011 at 2:13 AM, Lars-Peter Clausen <lars@metafoo.de> wrote:
    > This patch introduces the module_spi_driver macro which is a convenience macro
    > for SPI driver modules similar to module_platform_driver. It is intended to be
    > used by drivers which init/exit section does nothing but register/unregister
    > the SPI driver. By using this macro it is possible to eliminate a few lines of
    > boilerplate code per SPI driver.
    >
    > Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>

    Acked-by: Grant Likely <grant.likely@secretlab.ca>

    > ---
    >  include/linux/spi/spi.h |   11 +++++++++++
    >  1 files changed, 11 insertions(+), 0 deletions(-)
    >
    > diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
    > index bb4f5fb..176fce9 100644
    > --- a/include/linux/spi/spi.h
    > +++ b/include/linux/spi/spi.h
    > @@ -200,6 +200,17 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv)
    >                driver_unregister(&sdrv->driver);
    >  }
    >
    > +/**
    > + * module_spi_driver() - Helper macro for registering a SPI driver
    > + * @__spi_driver: spi_driver struct
    > + *
    > + * Helper macro for SPI drivers which do not do anything special in module
    > + * init/exit. This eliminates a lot of boilerplate. Each module may only
    > + * use this macro once, and calling it replaces module_init() and module_exit()
    > + */
    > +#define module_spi_driver(__spi_driver) \
    > +       module_driver(__spi_driver, spi_register_driver, \
    > +                       spi_unregister_driver)
    >
    >  /**
    >  * struct spi_master - interface to SPI master controller
    > --
    > 1.7.7.1
    >
    >
    >



    --
    Grant Likely, B.Sc., P.Eng.
    Secret Lab Technologies Ltd.
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