From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christopher Bostic Subject: [PATCH v4 13/23] drivers/fsi: Add client driver register utilities Date: Wed, 29 Mar 2017 12:43:30 -0500 Message-ID: <20170329174340.89109-14-cbostic@linux.vnet.ibm.com> References: <20170329174340.89109-1-cbostic@linux.vnet.ibm.com> Return-path: In-Reply-To: <20170329174340.89109-1-cbostic@linux.vnet.ibm.com> Sender: linux-kernel-owner@vger.kernel.org To: robh+dt@kernel.org, mark.rutland@arm.com, linux@armlinux.org.uk, rostedt@goodmis.org, mingo@redhat.com, gregkh@linuxfoundation.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Chris Bostic , joel@jms.id.au, linux-kernel@vger.kernel.org, andrew@aj.id.au, alistair@popple.id.au, benh@kernel.crashing.org List-Id: devicetree@vger.kernel.org From: Chris Bostic Add driver_register and driver_unregister wrappers for FSI. Signed-off-by: Chris Bostic Signed-off-by: Joel Stanley --- drivers/fsi/fsi-core.c | 17 +++++++++++++++++ include/linux/fsi.h | 12 ++++++++++++ 2 files changed, 29 insertions(+) diff --git a/drivers/fsi/fsi-core.c b/drivers/fsi/fsi-core.c index 75d2a88..4359e26 100644 --- a/drivers/fsi/fsi-core.c +++ b/drivers/fsi/fsi-core.c @@ -585,6 +585,23 @@ 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 66bce48..34f1e9a 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 */ -- 1.8.2.2