On 11/27/2012 01:21 AM, Dmitry Torokhov wrote:
This also allows us to cut down on the boilerplate code in the function
handler modules.
I like this idea a lot. We'll adopt it.
Thanks!
Chris
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
---
drivers/input/rmi4/rmi_f11.c | 13 +------------
include/linux/rmi.h | 14 ++++++++++++++
2 files changed, 15 insertions(+), 12 deletions(-)
diff --git a/drivers/input/rmi4/rmi_f11.c b/drivers/input/rmi4/rmi_f11.c
index dbb6060..8457ab4 100644
--- a/drivers/input/rmi4/rmi_f11.c
+++ b/drivers/input/rmi4/rmi_f11.c
@@ -2756,18 +2756,7 @@ static struct rmi_function_handler rmi_f11_handler = {
#endif /* defined(CONFIG_HAS_EARLYSUSPEND) */
};
-static int __init rmi_f11_module_init(void)
-{
- return rmi_register_function_handler(&rmi_f11_handler);
-}
-
-static void __exit rmi_f11_module_exit(void)
-{
- rmi_unregister_function_handler(&rmi_f11_handler);
-}
-
-module_init(rmi_f11_module_init);
-module_exit(rmi_f11_module_exit);
+module_rmi_driver(rmi_f11_handler);
MODULE_AUTHOR("Christopher Heiny <cheiny@xxxxxxxxxxxxx");
MODULE_DESCRIPTION("RMI F11 module");
diff --git a/include/linux/rmi.h b/include/linux/rmi.h
index 8a74066..daca41b 100644
--- a/include/linux/rmi.h
+++ b/include/linux/rmi.h
@@ -600,4 +600,18 @@ int rmi_register_phys_device(struct rmi_phys_device *phys);
void rmi_unregister_phys_device(struct rmi_phys_device *phys);
int rmi_for_each_dev(void *data, int (*func)(struct device *dev, void *data));
+/**
+ * module_serio_driver() - Helper macro for registering a serio driver
+ * @__serio_driver: serio_driver struct
+ *
+ * Helper macro for serio drivers which do not 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_rmi_driver(__rmi_driver) \
+ module_driver(__rmi_driver, \
+ rmi_register_function_handler, \
+ rmi_unregister_function_handler)
+
#endif
--
Christopher Heiny
Senior Staff Firmware Engineer
Synaptics Incorporated
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