[PATCH] w1: Make w1 connector notifications depend on connector.

Make w1 connector notifications depend on connector.

Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/w1/Kconfig

@@ -3,14 +3,26 @@ menu "Dallas's 1-wire bus"
 config W1
 	tristate "Dallas's 1-wire support"
 	---help---
-	  Dallas's 1-wire bus is useful to connect slow 1-pin devices
+	  Dallas' 1-wire bus is useful to connect slow 1-pin devices
 	  such as iButtons and thermal sensors.
 
 	  If you want W1 support, you should say Y here.
 
 	  This W1 support can also be built as a module.  If so, the module
 	  will be called wire.ko.
 
+config W1_CON
+	depends on CONNECTOR
+	bool "Userspace communication over connector"
+	default y
+	--- help ---
+	  This allows to communicate with userspace using connector [Documentation/connector].
+	  There are three types of messages between w1 core and userspace:
+	  1. Events. They are generated each time new master or slave device found
+		either due to automatic or requested search.
+	  2. Userspace commands. Includes read/write and search/alarm search comamnds.
+	  3. Replies to userspace commands.
+
 source drivers/w1/masters/Kconfig
 source drivers/w1/slaves/Kconfig
 

drivers/w1/Makefile

@@ -2,10 +2,6 @@
 # Makefile for the Dallas's 1-wire bus.
 #
 
-ifeq ($(CONFIG_CONNECTOR), n)
-EXTRA_CFLAGS	+= -DNETLINK_DISABLED
-endif
-
 ifeq ($(CONFIG_W1_DS2433_CRC), y)
 EXTRA_CFLAGS	+= -DCONFIG_W1_F23_CRC
 endif

drivers/w1/w1_netlink.c

@@ -27,7 +27,7 @@
 #include "w1_log.h"
 #include "w1_netlink.h"
 
-#ifndef NETLINK_DISABLED
+#if defined(CONFIG_W1_CON) && (defined(CONFIG_CONNECTOR) || (defined(CONFIG_CONNECTOR_MODULE) && defined(CONFIG_W1_MODULE)))
 void w1_netlink_send(struct w1_master *dev, struct w1_netlink_msg *msg)
 {
 	char buf[sizeof(struct cn_msg) + sizeof(struct w1_netlink_msg)];
@@ -230,8 +230,6 @@ void w1_fini_netlink(void)
 	cn_del_callback(&w1_id);
 }
 #else
-#warning Netlink support is disabled. Please compile with NET support enabled.
-
 void w1_netlink_send(struct w1_master *dev, struct w1_netlink_msg *msg)
 {
 }