diff options
Diffstat (limited to 'include/linux/spi')
-rw-r--r-- | include/linux/spi/spi.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index a9cc29d46653..4be01bb44377 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h | |||
@@ -778,8 +778,20 @@ spi_register_board_info(struct spi_board_info const *info, unsigned n) | |||
778 | * use spi_new_device() to describe each device. You can also call | 778 | * use spi_new_device() to describe each device. You can also call |
779 | * spi_unregister_device() to start making that device vanish, but | 779 | * spi_unregister_device() to start making that device vanish, but |
780 | * normally that would be handled by spi_unregister_master(). | 780 | * normally that would be handled by spi_unregister_master(). |
781 | * | ||
782 | * You can also use spi_alloc_device() and spi_add_device() to use a two | ||
783 | * stage registration sequence for each spi_device. This gives the caller | ||
784 | * some more control over the spi_device structure before it is registered, | ||
785 | * but requires that caller to initialize fields that would otherwise | ||
786 | * be defined using the board info. | ||
781 | */ | 787 | */ |
782 | extern struct spi_device * | 788 | extern struct spi_device * |
789 | spi_alloc_device(struct spi_master *master); | ||
790 | |||
791 | extern int | ||
792 | spi_add_device(struct spi_device *spi); | ||
793 | |||
794 | extern struct spi_device * | ||
783 | spi_new_device(struct spi_master *, struct spi_board_info *); | 795 | spi_new_device(struct spi_master *, struct spi_board_info *); |
784 | 796 | ||
785 | static inline void | 797 | static inline void |