Subject: [PATCH] add sysfs class support for input devices [02/10]

This patch adds support for all input devices.  It also provides 
the "device" and "driver" symlink for all USB HID devices.  Other input
drivers should also provide this information if they can (but that can
be added later.)

diff -Nru a/drivers/input/evdev.c b/drivers/input/evdev.c
--- a/drivers/input/evdev.c	Thu Jan 15 11:05:53 2004
+++ b/drivers/input/evdev.c	Thu Jan 15 11:05:53 2004
@@ -92,6 +92,7 @@
 static void evdev_free(struct evdev *evdev)
 {
 	devfs_remove("input/event%d", evdev->minor);
+	class_simple_device_remove(MKDEV(INPUT_MAJOR, EVDEV_MINOR_BASE + evdev->minor));
 	evdev_table[evdev->minor] = NULL;
 	kfree(evdev);
 }
@@ -426,6 +427,9 @@
 
 	devfs_mk_cdev(MKDEV(INPUT_MAJOR, EVDEV_MINOR_BASE + minor),
 			S_IFCHR|S_IRUGO|S_IWUSR, "input/event%d", minor);
+	class_simple_device_add(input_class, 
+				MKDEV(INPUT_MAJOR, EVDEV_MINOR_BASE + minor),
+				dev->dev, "event%d", minor);
 
 	return &evdev->handle;
 }
diff -Nru a/drivers/input/input.c b/drivers/input/input.c
--- a/drivers/input/input.c	Thu Jan 15 11:05:57 2004
+++ b/drivers/input/input.c	Thu Jan 15 11:05:57 2004
@@ -720,15 +720,13 @@
 static inline int input_proc_init(void) { return 0; }
 #endif
 
-struct class input_class = {
-	.name		= "input",
-};
+struct class_simple *input_class;
 
 static int __init input_init(void)
 {
 	int retval = -ENOMEM;
 
-	class_register(&input_class);
+	input_class = class_simple_create(THIS_MODULE, "input");
 	input_proc_init();
 	retval = register_chrdev(INPUT_MAJOR, "input", &input_fops);
 	if (retval) {
@@ -757,7 +755,7 @@
 
 	devfs_remove("input");
 	unregister_chrdev(INPUT_MAJOR, "input");
-	class_unregister(&input_class);
+	class_simple_destroy(input_class);
 }
 
 subsys_initcall(input_init);
diff -Nru a/drivers/input/joydev.c b/drivers/input/joydev.c
--- a/drivers/input/joydev.c	Thu Jan 15 11:05:48 2004
+++ b/drivers/input/joydev.c	Thu Jan 15 11:05:48 2004
@@ -145,6 +145,7 @@
 {
 	devfs_remove("js%d", joydev->minor);
 	joydev_table[joydev->minor] = NULL;
+	class_simple_device_remove(MKDEV(INPUT_MAJOR, JOYDEV_MINOR_BASE + joydev->minor));
 	kfree(joydev);
 }
 
@@ -444,6 +445,9 @@
 	
 	devfs_mk_cdev(MKDEV(INPUT_MAJOR, JOYDEV_MINOR_BASE + minor),
 			S_IFCHR|S_IRUGO|S_IWUSR, "js%d", minor);
+	class_simple_device_add(input_class, 
+				MKDEV(INPUT_MAJOR, JOYDEV_MINOR_BASE + minor),
+				dev->dev, "js%d", minor);
 
 	return &joydev->handle;
 }
diff -Nru a/drivers/input/mousedev.c b/drivers/input/mousedev.c
--- a/drivers/input/mousedev.c	Thu Jan 15 11:06:00 2004
+++ b/drivers/input/mousedev.c	Thu Jan 15 11:06:00 2004
@@ -203,6 +203,7 @@
 static void mousedev_free(struct mousedev *mousedev)
 {
 	devfs_remove("input/mouse%d", mousedev->minor);
+	class_simple_device_remove(MKDEV(INPUT_MAJOR, MOUSEDEV_MINOR_BASE + mousedev->minor));
 	mousedev_table[mousedev->minor] = NULL;
 	kfree(mousedev);
 }
@@ -464,6 +465,9 @@
 
 	devfs_mk_cdev(MKDEV(INPUT_MAJOR, MOUSEDEV_MINOR_BASE + minor),
 			S_IFCHR|S_IRUGO|S_IWUSR, "input/mouse%d", minor);
+	class_simple_device_add(input_class, 
+				MKDEV(INPUT_MAJOR, MOUSEDEV_MINOR_BASE + minor),
+				dev->dev, "mouse%d", minor);
 
 	return &mousedev->handle;
 }
@@ -542,7 +546,8 @@
 
 	devfs_mk_cdev(MKDEV(INPUT_MAJOR, MOUSEDEV_MINOR_BASE + MOUSEDEV_MIX),
 			S_IFCHR|S_IRUGO|S_IWUSR, "input/mice");
-
+	class_simple_device_add(input_class, MKDEV(INPUT_MAJOR, MOUSEDEV_MINOR_BASE + MOUSEDEV_MIX),
+				NULL, "mice");
 
 #ifdef CONFIG_INPUT_MOUSEDEV_PSAUX
 	if (!(mousedev_mix.misc = !misc_register(&psaux_mouse)))
@@ -561,6 +566,7 @@
 		misc_deregister(&psaux_mouse);
 #endif
 	devfs_remove("input/mice");
+	class_simple_device_remove(MKDEV(INPUT_MAJOR, MOUSEDEV_MINOR_BASE + MOUSEDEV_MIX));
 	input_unregister_handler(&mousedev_handler);
 }
 
diff -Nru a/drivers/input/tsdev.c b/drivers/input/tsdev.c
--- a/drivers/input/tsdev.c	Thu Jan 15 11:06:02 2004
+++ b/drivers/input/tsdev.c	Thu Jan 15 11:06:02 2004
@@ -119,6 +119,7 @@
 static void tsdev_free(struct tsdev *tsdev)
 {
 	devfs_remove("input/ts%d", tsdev->minor);
+	class_simple_device_remove(MKDEV(INPUT_MAJOR, TSDEV_MINOR_BASE + tsdev->minor));
 	tsdev_table[tsdev->minor] = NULL;
 	kfree(tsdev);
 }
@@ -333,6 +334,9 @@
 	
 	devfs_mk_cdev(MKDEV(INPUT_MAJOR, TSDEV_MINOR_BASE + minor),
 			S_IFCHR|S_IRUGO|S_IWUSR, "input/ts%d", minor);
+	class_simple_device_add(input_class, 
+				MKDEV(INPUT_MAJOR, TSDEV_MINOR_BASE + minor),
+				dev->dev, "ts%d", minor);
 
 	return &tsdev->handle;
 }
diff -Nru a/include/linux/input.h b/include/linux/input.h
--- a/include/linux/input.h	Thu Jan 15 11:05:53 2004
+++ b/include/linux/input.h	Thu Jan 15 11:05:53 2004
@@ -809,6 +809,7 @@
 	int (*erase_effect)(struct input_dev *dev, int effect_id);
 
 	struct input_handle *grab;
+	struct device *dev;
 
 	struct list_head	h_list;
 	struct list_head	node;
@@ -921,7 +922,7 @@
 #define input_regs(a,b)		do { (a)->regs = (b); } while (0)
 #define input_sync(a)		do { input_event(a, EV_SYN, SYN_REPORT, 0); (a)->regs = NULL; } while (0)
 
-extern struct class input_class;
+extern struct class_simple *input_class;
 
 #endif
 #endif