Input: iforce - split into core and transport modules

Now that we have moved enough transport details into separate source files
we can change them into transport modules so that they are only loaded when
needed.
Tested-by: Tim Schumacher <timschumi@gmx.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

drivers/input/joystick/iforce/Kconfig

@@ -13,15 +13,15 @@ config JOYSTICK_IFORCE
 	  module will be called iforce.
 
 config JOYSTICK_IFORCE_USB
-	bool "I-Force USB joysticks and wheels"
-	depends on JOYSTICK_IFORCE && (JOYSTICK_IFORCE=m || USB=y) && USB
+	tristate "I-Force USB joysticks and wheels"
+	depends on JOYSTICK_IFORCE && USB
 	help
 	  Say Y here if you have an I-Force joystick or steering wheel
 	  connected to your USB port.
 
 config JOYSTICK_IFORCE_232
-	bool "I-Force Serial joysticks and wheels"
-	depends on JOYSTICK_IFORCE && (JOYSTICK_IFORCE=m || SERIO=y) && SERIO
+	tristate "I-Force Serial joysticks and wheels"
+	depends on JOYSTICK_IFORCE && SERIO
 	help
 	  Say Y here if you have an I-Force joystick or steering wheel
 	  connected to your serial (COM) port.

drivers/input/joystick/iforce/Makefile

@@ -5,7 +5,6 @@
 #
 
 obj-$(CONFIG_JOYSTICK_IFORCE)		+= iforce.o
-
 iforce-y := iforce-ff.o iforce-main.o iforce-packets.o
-iforce-$(CONFIG_JOYSTICK_IFORCE_232)	+= iforce-serio.o
-iforce-$(CONFIG_JOYSTICK_IFORCE_USB)	+= iforce-usb.o
+obj-$(CONFIG_JOYSTICK_IFORCE_232)	+= iforce-serio.o
+obj-$(CONFIG_JOYSTICK_IFORCE_USB)	+= iforce-usb.o

drivers/input/joystick/iforce/iforce-main.c

@@ -24,7 +24,7 @@
 #include "iforce.h"
 
 MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>, Johann Deneux <johann.deneux@gmail.com>");
-MODULE_DESCRIPTION("USB/RS232 I-Force joysticks and wheels driver");
+MODULE_DESCRIPTION("Core I-Force joysticks and wheels driver");
 MODULE_LICENSE("GPL");
 
 static signed short btn_joystick[] =
@@ -411,35 +411,4 @@ int iforce_init_device(struct device *parent, u16 bustype,
  fail:	input_free_device(input_dev);
 	return error;
 }
-
-static int __init iforce_init(void)
-{
-	int err = 0;
-
-#ifdef CONFIG_JOYSTICK_IFORCE_USB
-	err = usb_register(&iforce_usb_driver);
-	if (err)
-		return err;
-#endif
-#ifdef CONFIG_JOYSTICK_IFORCE_232
-	err = serio_register_driver(&iforce_serio_drv);
-#ifdef CONFIG_JOYSTICK_IFORCE_USB
-	if (err)
-		usb_deregister(&iforce_usb_driver);
-#endif
-#endif
-	return err;
-}
-
-static void __exit iforce_exit(void)
-{
-#ifdef CONFIG_JOYSTICK_IFORCE_USB
-	usb_deregister(&iforce_usb_driver);
-#endif
-#ifdef CONFIG_JOYSTICK_IFORCE_232
-	serio_unregister_driver(&iforce_serio_drv);
-#endif
-}
-
-module_init(iforce_init);
-module_exit(iforce_exit);
+EXPORT_SYMBOL(iforce_init_device);

drivers/input/joystick/iforce/iforce-packets.c

@@ -96,6 +96,7 @@ int iforce_send_packet(struct iforce *iforce, u16 cmd, unsigned char* data)
 
 	return 0;
 }
+EXPORT_SYMBOL(iforce_send_packet);
 
 /* Start or stop an effect */
 int iforce_control_playback(struct iforce* iforce, u16 id, unsigned int value)
@@ -203,3 +204,4 @@ void iforce_process_packet(struct iforce *iforce, u16 cmd, unsigned char *data)
 			break;
 	}
 }
+EXPORT_SYMBOL(iforce_process_packet);

drivers/input/joystick/iforce/iforce-serio.c

@@ -21,6 +21,7 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  */
 
+#include <linux/serio.h>
 #include "iforce.h"
 
 struct iforce_serio {
@@ -250,3 +251,9 @@ struct serio_driver iforce_serio_drv = {
 	.connect	= iforce_serio_connect,
 	.disconnect	= iforce_serio_disconnect,
 };
+
+module_serio_driver(iforce_serio_drv);
+
+MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>, Johann Deneux <johann.deneux@gmail.com>");
+MODULE_DESCRIPTION("RS232 I-Force joysticks and wheels driver");
+MODULE_LICENSE("GPL");

drivers/input/joystick/iforce/iforce-usb.c

@@ -21,6 +21,7 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  */
 
+#include <linux/usb.h>
 #include "iforce.h"
 
 struct iforce_usb {
@@ -316,3 +317,9 @@ struct usb_driver iforce_usb_driver = {
 	.disconnect =	iforce_usb_disconnect,
 	.id_table =	iforce_usb_ids,
 };
+
+module_usb_driver(iforce_usb_driver);
+
+MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>, Johann Deneux <johann.deneux@gmail.com>");
+MODULE_DESCRIPTION("USB I-Force joysticks and wheels driver");
+MODULE_LICENSE("GPL");

drivers/input/joystick/iforce/iforce.h

@@ -26,8 +26,6 @@
 #include <linux/input.h>
 #include <linux/module.h>
 #include <linux/spinlock.h>
-#include <linux/usb.h>
-#include <linux/serio.h>
 #include <linux/circ_buf.h>
 #include <linux/mutex.h>