ieee802154: merge nl802154 and wpan-class in single module

There is no real need to have ieee802154 interfaces separate
into several small modules, as neither of them has it's own use.
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>

net/ieee802154/Makefile

-obj-$(CONFIG_IEEE802154) +=	nl802154.o af_802154.o wpan-class.o
-nl802154-y		:= netlink.o nl_policy.o
+obj-$(CONFIG_IEEE802154) +=	ieee802154.o af_802154.o
+ieee802154-y		:= netlink.o nl_policy.o wpan-class.o
 af_802154-y		:= af_ieee802154.o raw.o dgram.o
 
 ccflags-y += -Wall -DDEBUG

net/ieee802154/netlink.c

@@ -643,7 +643,7 @@ static struct genl_ops ieee802154_coordinator_ops[] = {
 							ieee802154_dump_iface),
 };
 
-static int __init ieee802154_nl_init(void)
+int __init ieee802154_nl_init(void)
 {
 	int rc;
 	int i;
@@ -676,14 +676,9 @@ static int __init ieee802154_nl_init(void)
 	genl_unregister_family(&ieee802154_coordinator_family);
 	return rc;
 }
-module_init(ieee802154_nl_init);
 
-static void __exit ieee802154_nl_exit(void)
+void __exit ieee802154_nl_exit(void)
 {
 	genl_unregister_family(&ieee802154_coordinator_family);
 }
-module_exit(ieee802154_nl_exit);
-
-MODULE_LICENSE("GPL v2");
-MODULE_DESCRIPTION("ieee 802.15.4 configuration interface");
 

net/ieee802154/wpan-class.c

@@ -22,6 +22,8 @@
 
 #include <net/wpan-phy.h>
 
+#include "ieee802154.h"
+
 #define MASTER_SHOW_COMPLEX(name, format_string, args...)		\
 static ssize_t name ## _show(struct device *dev,			\
 			    struct device_attribute *attr, char *buf)	\
@@ -188,16 +190,31 @@ EXPORT_SYMBOL(wpan_phy_free);
 
 static int __init wpan_phy_class_init(void)
 {
-	return class_register(&wpan_phy_class);
+	int rc;
+	rc = class_register(&wpan_phy_class);
+	if (rc)
+		goto err;
+
+	rc = ieee802154_nl_init();
+	if (rc)
+		goto err_nl;
+
+	return 0;
+err_nl:
+	class_unregister(&wpan_phy_class);
+err:
+	return rc;
 }
-subsys_initcall(wpan_phy_class_init);
+module_init(wpan_phy_class_init);
 
 static void __exit wpan_phy_class_exit(void)
 {
+	ieee802154_nl_exit();
 	class_unregister(&wpan_phy_class);
 }
 module_exit(wpan_phy_class_exit);
 
-MODULE_DESCRIPTION("IEEE 802.15.4 device class");
 MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("IEEE 802.15.4 configuration interface");
+MODULE_AUTHOR("Dmitry Eremin-Solenikov");