Add spi_register_driver helper macro that adds THIS_MODULE to spi_driver for the registering driver. We rename and modify the existing spi_register_driver to enable this.
Signed-off-by: Andrew F. Davis <[email protected]> --- drivers/spi/spi.c | 7 ++++--- include/linux/spi/spi.h | 6 +++++- 2 files changed, 9 insertions(+), 4 deletions(-) diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 3abb390..51e33db 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -305,12 +305,13 @@ static void spi_drv_shutdown(struct device *dev) } /** - * spi_register_driver - register a SPI driver + * __spi_register_driver - register a SPI driver * @sdrv: the driver to register * Context: can sleep */ -int spi_register_driver(struct spi_driver *sdrv) +int __spi_register_driver(struct module *owner, struct spi_driver *sdrv) { + sdrv->driver.owner = owner; sdrv->driver.bus = &spi_bus_type; if (sdrv->probe) sdrv->driver.probe = spi_drv_probe; @@ -320,7 +321,7 @@ int spi_register_driver(struct spi_driver *sdrv) sdrv->driver.shutdown = spi_drv_shutdown; return driver_register(&sdrv->driver); } -EXPORT_SYMBOL_GPL(spi_register_driver); +EXPORT_SYMBOL_GPL(__spi_register_driver); /*-------------------------------------------------------------------------*/ diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index 269e8af..e2da17b 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -250,7 +250,7 @@ static inline struct spi_driver *to_spi_driver(struct device_driver *drv) return drv ? container_of(drv, struct spi_driver, driver) : NULL; } -extern int spi_register_driver(struct spi_driver *sdrv); +extern int __spi_register_driver(struct module *owner, struct spi_driver *sdrv); /** * spi_unregister_driver - reverse effect of spi_register_driver @@ -263,6 +263,10 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv) driver_unregister(&sdrv->driver); } +/* use a define to avoid include chaining to get THIS_MODULE */ +#define spi_register_driver(driver) \ + __spi_register_driver(THIS_MODULE, driver) + /** * module_spi_driver() - Helper macro for registering a SPI driver * @__spi_driver: spi_driver struct -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
