Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6: (36 commits)
  Driver core: show drivers in /sys/module/
  Documentation/driver-model/platform.txt update/rewrite
  Driver core: platform_driver_probe(), can save codespace
  driver core: Use klist_remove() in device_move()
  driver core: Introduce device_move(): move a device to a new parent.
  Driver core: make drivers/base/core.c:setup_parent() static
  driver core: Introduce device_find_child().
  sysfs: sysfs_write_file() writes zero terminated data
  cpu topology: consider sysfs_create_group return value
  Driver core: Call platform_notify_remove later
  ACPI: Change ACPI to use dev_archdata instead of firmware_data
  Driver core: add dev_archdata to struct device
  Driver core: convert sound core to use struct device
  Driver core: change mem class_devices to be real devices
  Driver core: convert fb code to use struct device
  Driver core: convert firmware code to use struct device
  Driver core: convert mmc code to use struct device
  Driver core: convert ppdev code to use struct device
  Driver core: convert PPP code to use struct device
  Driver core: convert cpuid code to use struct device
  ...

9 files changed, 66 insertions, 18 deletions

diff --git a/include/linux/device.h b/include/linux/device.h
index 9d4f6a96393..583a341e016 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -21,6 +21,7 @@
 #include <linux/pm.h>
 #include <asm/semaphore.h>
 #include <asm/atomic.h>
+#include <asm/device.h>
 
 #define DEVICE_NAME_SIZE	50
 #define DEVICE_NAME_HALF	__stringify(20)	/* Less than half to accommodate slop */
@@ -42,6 +43,8 @@ struct bus_type {
 	struct klist		klist_devices;
 	struct klist		klist_drivers;
 
+	struct blocking_notifier_head bus_notifier;
+
 	struct bus_attribute	* bus_attrs;
 	struct device_attribute	* dev_attrs;
 	struct driver_attribute	* drv_attrs;
@@ -75,6 +78,29 @@ int __must_check bus_for_each_drv(struct bus_type *bus,
 		struct device_driver *start, void *data,
 		int (*fn)(struct device_driver *, void *));
 
+/*
+ * Bus notifiers: Get notified of addition/removal of devices
+ * and binding/unbinding of drivers to devices.
+ * In the long run, it should be a replacement for the platform
+ * notify hooks.
+ */
+struct notifier_block;
+
+extern int bus_register_notifier(struct bus_type *bus,
+				 struct notifier_block *nb);
+extern int bus_unregister_notifier(struct bus_type *bus,
+				   struct notifier_block *nb);
+
+/* All 4 notifers below get called with the target struct device *
+ * as an argument. Note that those functions are likely to be called
+ * with the device semaphore held in the core, so be careful.
+ */
+#define BUS_NOTIFY_ADD_DEVICE		0x00000001 /* device added */
+#define BUS_NOTIFY_DEL_DEVICE		0x00000002 /* device removed */
+#define BUS_NOTIFY_BOUND_DRIVER		0x00000003 /* driver bound to device */
+#define BUS_NOTIFY_UNBIND_DRIVER	0x00000004 /* driver about to be
+						      unbound */
+
 /* driverfs interface for exporting bus attributes */
 
 struct bus_attribute {
@@ -343,8 +369,6 @@ struct device {
 	void		*driver_data;	/* data private to the driver */
 	void		*platform_data;	/* Platform specific data, device
 					   core doesn't touch it */
-	void		*firmware_data; /* Firmware specific data (e.g. ACPI,
-					   BIOS data),reserved for device core*/
 	struct dev_pm_info	power;
 
 	u64		*dma_mask;	/* dma mask (if dma'able device) */
@@ -358,6 +382,8 @@ struct device {
 
 	struct dma_coherent_mem	*dma_mem; /* internal for coherent mem
 					     override */
+	/* arch specific additions */
+	struct dev_archdata	archdata;
 
 	/* class_device migration path */
 	struct list_head	node;
@@ -395,7 +421,10 @@ extern int __must_check device_add(struct device * dev);
 extern void device_del(struct device * dev);
 extern int device_for_each_child(struct device *, void *,
 		     int (*fn)(struct device *, void *));
+extern struct device *device_find_child(struct device *, void *data,
+					int (*match)(struct device *, void *));
 extern int device_rename(struct device *dev, char *new_name);
+extern int device_move(struct device *dev, struct device *new_parent);
 
 /*
  * Manual binding of a device to driver. See drivers/base/bus.c
@@ -415,8 +444,6 @@ extern struct device *device_create(struct class *cls, struct device *parent,
 				    __attribute__((format(printf,4,5)));
 extern void device_destroy(struct class *cls, dev_t devt);
 
-extern int virtual_device_parent(struct device *dev);
-
 /*
  * Platform "fixup" functions - allow the platform to have their say
  * about devices and actions that the general device layer doesn't
diff --git a/include/linux/fb.h b/include/linux/fb.h
index 3e69241e6a8..fa23e0671bb 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -774,8 +774,8 @@ struct fb_info {
 #endif
 
 	struct fb_ops *fbops;
-	struct device *device;
-	struct class_device *class_device; /* sysfs per device attrs */
+	struct device *device;		/* This is the parent */
+	struct device *dev;		/* This is this fb device */
 	int class_flag;                    /* private sysfs flags */
 #ifdef CONFIG_FB_TILEBLITTING
 	struct fb_tile_ops *tileops;    /* Tile Blitting */
@@ -910,8 +910,8 @@ static inline void __fb_pad_aligned_buffer(u8 *dst, u32 d_pitch,
 /* drivers/video/fbsysfs.c */
 extern struct fb_info *framebuffer_alloc(size_t size, struct device *dev);
 extern void framebuffer_release(struct fb_info *info);
-extern int fb_init_class_device(struct fb_info *fb_info);
-extern void fb_cleanup_class_device(struct fb_info *head);
+extern int fb_init_device(struct fb_info *fb_info);
+extern void fb_cleanup_device(struct fb_info *head);
 extern void fb_bl_default_curve(struct fb_info *fb_info, u8 off, u8 min, u8 max);
 
 /* drivers/video/fbmon.c */
diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index bcd9cd173c2..d1c8d28fa92 100644
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -47,6 +47,7 @@ enum kobject_action {
 	KOBJ_UMOUNT	= (__force kobject_action_t) 0x05,	/* umount event for block devices (broken) */
 	KOBJ_OFFLINE	= (__force kobject_action_t) 0x06,	/* device offline */
 	KOBJ_ONLINE	= (__force kobject_action_t) 0x07,	/* device online */
+	KOBJ_MOVE	= (__force kobject_action_t) 0x08,	/* device move */
 };
 
 struct kobject {
@@ -76,6 +77,7 @@ extern int __must_check kobject_add(struct kobject *);
 extern void kobject_del(struct kobject *);
 
 extern int __must_check kobject_rename(struct kobject *, const char *new_name);
+extern int __must_check kobject_move(struct kobject *, struct kobject *);
 
 extern int __must_check kobject_register(struct kobject *);
 extern void kobject_unregister(struct kobject *);
@@ -264,6 +266,8 @@ extern int __must_check subsys_create_file(struct subsystem * ,
 
 #if defined(CONFIG_HOTPLUG)
 void kobject_uevent(struct kobject *kobj, enum kobject_action action);
+void kobject_uevent_env(struct kobject *kobj, enum kobject_action action,
+			char *envp[]);
 
 int add_uevent_var(char **envp, int num_envp, int *cur_index,
 			char *buffer, int buffer_size, int *cur_len,
@@ -271,6 +275,10 @@ int add_uevent_var(char **envp, int num_envp, int *cur_index,
 	__attribute__((format (printf, 7, 8)));
 #else
 static inline void kobject_uevent(struct kobject *kobj, enum kobject_action action) { }
+static inline void kobject_uevent_env(struct kobject *kobj,
+				      enum kobject_action action,
+				      char *envp[])
+{ }
 
 static inline int add_uevent_var(char **envp, int num_envp, int *cur_index,
 				      char *buffer, int buffer_size, int *cur_len, 
diff --git a/include/linux/miscdevice.h b/include/linux/miscdevice.h
index b03cfb91e22..326da7d500c 100644
--- a/include/linux/miscdevice.h
+++ b/include/linux/miscdevice.h
@@ -31,15 +31,14 @@
 #define	HPET_MINOR	     228
 
 struct device;
-struct class_device;
 
 struct miscdevice  {
 	int minor;
 	const char *name;
 	const struct file_operations *fops;
 	struct list_head list;
-	struct device *dev;
-	struct class_device *class;
+	struct device *parent;
+	struct device *this_device;
 };
 
 extern int misc_register(struct miscdevice * misc);
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 587264a58d5..528e7d3fecb 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -74,8 +74,8 @@ struct mmc_card;
 struct device;
 
 struct mmc_host {
-	struct device		*dev;
-	struct class_device	class_dev;
+	struct device		*parent;
+	struct device		class_dev;
 	int			index;
 	const struct mmc_host_ops *ops;
 	unsigned int		f_min;
@@ -125,8 +125,8 @@ static inline void *mmc_priv(struct mmc_host *host)
 	return (void *)host->private;
 }
 
-#define mmc_dev(x)	((x)->dev)
-#define mmc_hostname(x)	((x)->class_dev.class_id)
+#define mmc_dev(x)	((x)->parent)
+#define mmc_hostname(x)	((x)->class_dev.bus_id)
 
 extern int mmc_suspend_host(struct mmc_host *, pm_message_t);
 extern int mmc_resume_host(struct mmc_host *);
diff --git a/include/linux/module.h b/include/linux/module.h
index d1d00ce8f4e..9258ffd8a7f 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -264,6 +264,7 @@ struct module
 	struct module_attribute *modinfo_attrs;
 	const char *version;
 	const char *srcversion;
+	struct kobject *drivers_dir;
 
 	/* Exported symbols */
 	const struct kernel_symbol *syms;
diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h
index 29cd6dee13d..20f47b81d3f 100644
--- a/include/linux/platform_device.h
+++ b/include/linux/platform_device.h
@@ -58,6 +58,12 @@ struct platform_driver {
 extern int platform_driver_register(struct platform_driver *);
 extern void platform_driver_unregister(struct platform_driver *);
 
+/* non-hotpluggable platform devices may use this so that probe() and
+ * its support may live in __init sections, conserving runtime memory.
+ */
+extern int platform_driver_probe(struct platform_driver *driver,
+		int (*probe)(struct platform_device *));
+
 #define platform_get_drvdata(_dev)	dev_get_drvdata(&(_dev)->dev)
 #define platform_set_drvdata(_dev,data)	dev_set_drvdata(&(_dev)->dev, (data))
 
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index 6d5c43d31de..2129d1b6c87 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -97,6 +97,9 @@ extern int __must_check
 sysfs_rename_dir(struct kobject *, const char *new_name);
 
 extern int __must_check
+sysfs_move_dir(struct kobject *, struct kobject *);
+
+extern int __must_check
 sysfs_create_file(struct kobject *, const struct attribute *);
 
 extern int __must_check
@@ -142,6 +145,11 @@ static inline int sysfs_rename_dir(struct kobject * k, const char *new_name)
 	return 0;
 }
 
+static inline int sysfs_move_dir(struct kobject * k, struct kobject * new_parent)
+{
+	return 0;
+}
+
 static inline int sysfs_create_file(struct kobject * k, const struct attribute * a)
 {
 	return 0;
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 44091c0db0b..65321f911c1 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -276,9 +276,8 @@ extern int tty_register_ldisc(int disc, struct tty_ldisc *new_ldisc);
 extern int tty_unregister_ldisc(int disc);
 extern int tty_register_driver(struct tty_driver *driver);
 extern int tty_unregister_driver(struct tty_driver *driver);
-extern struct class_device *tty_register_device(struct tty_driver *driver,
-						unsigned index,
-						struct device *dev);
+extern struct device *tty_register_device(struct tty_driver *driver,
+					  unsigned index, struct device *dev);
 extern void tty_unregister_device(struct tty_driver *driver, unsigned index);
 extern int tty_read_raw_data(struct tty_struct *tty, unsigned char *bufp,
 			     int buflen);