[char-misc-next 02/11 V4] mei: bus: Implement driver registration

[Tomas Winkler]

From: Samuel Ortiz <sameo@xxxxxxxxxxxxxxx>

Signed-off-by: Samuel Ortiz <sameo@xxxxxxxxxxxxxxx>
Signed-off-by: Tomas Winkler <tomas.winkler@xxxxxxxxx>
---
 drivers/misc/mei/bus.c     | 26 ++++++++++++++++++++++++++
 include/linux/mei_cl_bus.h |  7 +++++++
 2 files changed, 33 insertions(+)

diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c
index 24a25db..9283dd6 100644
--- a/drivers/misc/mei/bus.c
+++ b/drivers/misc/mei/bus.c
@@ -149,3 +149,29 @@ void mei_cl_remove_device(struct mei_cl_device *device)
 	device_unregister(&device->dev);
 }
 EXPORT_SYMBOL_GPL(mei_cl_remove_device);
+
+int __mei_cl_driver_register(struct mei_cl_driver *driver, struct module *owner)
+{
+	int err;
+
+	driver->driver.name = driver->name;
+	driver->driver.owner = owner;
+	driver->driver.bus = &mei_cl_bus_type;
+
+	err = driver_register(&driver->driver);
+	if (err)
+		return err;
+
+	pr_debug("mei: driver [%s] registered\n", driver->driver.name);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(__mei_cl_driver_register);
+
+void mei_cl_driver_unregister(struct mei_cl_driver *driver)
+{
+	driver_unregister(&driver->driver);
+
+	pr_debug("mei: driver [%s] unregistered\n", driver->driver.name);
+}
+EXPORT_SYMBOL_GPL(mei_cl_driver_unregister);
diff --git a/include/linux/mei_cl_bus.h b/include/linux/mei_cl_bus.h
index ed4199b..92c30a8 100644
--- a/include/linux/mei_cl_bus.h
+++ b/include/linux/mei_cl_bus.h
@@ -89,4 +89,11 @@ struct mei_cl_driver {
 	int (*remove)(struct mei_cl_device *dev);
 };
 
+int __mei_cl_driver_register(struct mei_cl_driver *driver,
+				struct module *owner);
+#define mei_cl_driver_register(driver)             \
+	__mei_cl_driver_register(driver, THIS_MODULE)
+
+void mei_cl_driver_unregister(struct mei_cl_driver *driver);
+
 #endif /* _LINUX_MEI_CL_BUS_H */
-- 
1.8.1.3

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