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| author | Christopher Bostic <cbostic@linux.vnet.ibm.com> | 2017-06-06 16:08:48 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-06-09 11:52:08 +0200 |
| commit | 356d8009a5a4569f17a3508b50a347bdf4d5b337 (patch) | |
| tree | 7c48df9d9b3c5aa590af8ce4827cf1640cacc3ea | |
| parent | 777dcf7391be81644360c15c375b24c96ceb49ce (diff) | |
| download | linux-356d8009a5a4569f17a3508b50a347bdf4d5b337.tar.bz2 | |
drivers/fsi: Add client driver register utilities
Add driver_register and driver_unregister wrappers for FSI.
Signed-off-by: Christopher Bostic <cbostic@linux.vnet.ibm.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/fsi/fsi-core.c | 17 | ||||
| -rw-r--r-- | include/linux/fsi.h | 12 |
2 files changed, 29 insertions, 0 deletions
diff --git a/drivers/fsi/fsi-core.c b/drivers/fsi/fsi-core.c index fcb0c818524f..e9fbd9feeb3e 100644 --- a/drivers/fsi/fsi-core.c +++ b/drivers/fsi/fsi-core.c @@ -586,6 +586,23 @@ static int fsi_bus_match(struct device *dev, struct device_driver *drv) return 0; } +int fsi_driver_register(struct fsi_driver *fsi_drv) +{ + if (!fsi_drv) + return -EINVAL; + if (!fsi_drv->id_table) + return -EINVAL; + + return driver_register(&fsi_drv->drv); +} +EXPORT_SYMBOL_GPL(fsi_driver_register); + +void fsi_driver_unregister(struct fsi_driver *fsi_drv) +{ + driver_unregister(&fsi_drv->drv); +} +EXPORT_SYMBOL_GPL(fsi_driver_unregister); + struct bus_type fsi_bus_type = { .name = "fsi", .match = fsi_bus_match, diff --git a/include/linux/fsi.h b/include/linux/fsi.h index 66bce4851ff6..34f1e9aea725 100644 --- a/include/linux/fsi.h +++ b/include/linux/fsi.h @@ -54,6 +54,18 @@ struct fsi_driver { #define to_fsi_dev(devp) container_of(devp, struct fsi_device, dev) #define to_fsi_drv(drvp) container_of(drvp, struct fsi_driver, drv) +extern int fsi_driver_register(struct fsi_driver *fsi_drv); +extern void fsi_driver_unregister(struct fsi_driver *fsi_drv); + +/* module_fsi_driver() - Helper macro for drivers that don't 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_fsi_driver(__fsi_driver) \ + module_driver(__fsi_driver, fsi_driver_register, \ + fsi_driver_unregister) + extern struct bus_type fsi_bus_type; #endif /* LINUX_FSI_H */ |