spi_driver 196 include/linux/spi/spi.h static inline struct spi_driver *to_spi_driver(struct device_driver *drv) spi_driver 198 include/linux/spi/spi.h return drv ? container_of(drv, struct spi_driver, driver) : NULL; spi_driver 201 include/linux/spi/spi.h extern int spi_register_driver(struct spi_driver *sdrv); spi_driver 208 include/linux/spi/spi.h static inline void spi_unregister_driver(struct spi_driver *sdrv)