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:
  remove "struct subsystem" as it is no longer needed
  sysfs: printk format warning
  DOC: Fix wrong identifier name in Documentation/driver-model/devres.txt
  platform: reorder platform_device_del
  Driver core: fix show_uevent from taking up way too much stack

49 files changed, 244 insertions, 298 deletions

diff --git a/Documentation/driver-model/devres.txt b/Documentation/driver-model/devres.txt
index 5163b85308f5..6c8d8f27db34 100644
--- a/Documentation/driver-model/devres.txt
+++ b/Documentation/driver-model/devres.txt
@@ -182,7 +182,7 @@ For example, you can do something like the following.
 
         ...
 
-        devres_close_group(dev, my_midlayer_something);
+        devres_close_group(dev, my_midlayer_create_something);
         return 0;
   }
 
diff --git a/arch/arm/mach-omap1/pm.c b/arch/arm/mach-omap1/pm.c
index 0383ab334270..6f4ea4bda5e0 100644
--- a/arch/arm/mach-omap1/pm.c
+++ b/arch/arm/mach-omap1/pm.c
@@ -72,12 +72,12 @@ static unsigned int mpui1610_sleep_save[MPUI1610_SLEEP_SAVE_SIZE];
 
 static unsigned short enable_dyn_sleep = 1;
 
-static ssize_t omap_pm_sleep_while_idle_show(struct subsystem * subsys, char *buf)
+static ssize_t omap_pm_sleep_while_idle_show(struct kset *kset, char *buf)
 {
         return sprintf(buf, "%hu\n", enable_dyn_sleep);
 }
 
-static ssize_t omap_pm_sleep_while_idle_store(struct subsystem * subsys,
+static ssize_t omap_pm_sleep_while_idle_store(struct kset *kset,
                                               const char * buf,
                                               size_t n)
 {
@@ -100,7 +100,7 @@ static struct subsys_attribute sleep_while_idle_attr = {
         .store  = omap_pm_sleep_while_idle_store,
 };
 
-extern struct subsystem power_subsys;
+extern struct kset power_subsys;
 static void (*omap_sram_idle)(void) = NULL;
 static void (*omap_sram_suspend)(unsigned long r0, unsigned long r1) = NULL;
 
diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c
index 9eaefac5053f..b2c1b67a10a7 100644
--- a/arch/powerpc/kernel/vio.c
+++ b/arch/powerpc/kernel/vio.c
@@ -37,7 +37,7 @@
 #include <asm/iseries/hv_call_xm.h>
 #include <asm/iseries/iommu.h>
 
-extern struct subsystem devices_subsys; /* needed for vio_find_name() */
+extern struct kset devices_subsys; /* needed for vio_find_name() */
 
 static struct vio_dev vio_bus_device  = { /* fake "parent" device */
         .name = vio_bus_device.dev.bus_id,
@@ -427,7 +427,7 @@ static struct vio_dev *vio_find_name(const char *kobj_name)
 {
         struct kobject *found;
 
-        found = kset_find_obj(&devices_subsys.kset, kobj_name);
+        found = kset_find_obj(&devices_subsys, kobj_name);
         if (!found)
                 return NULL;
 
diff --git a/arch/powerpc/platforms/pseries/power.c b/arch/powerpc/platforms/pseries/power.c
index 2624b71df73d..73e69023d90a 100644
--- a/arch/powerpc/platforms/pseries/power.c
+++ b/arch/powerpc/platforms/pseries/power.c
@@ -28,13 +28,13 @@
 
 unsigned long rtas_poweron_auto; /* default and normal state is 0 */
 
-static ssize_t auto_poweron_show(struct subsystem *subsys, char *buf)
+static ssize_t auto_poweron_show(struct kset *kset, char *buf)
 {
         return sprintf(buf, "%lu\n", rtas_poweron_auto);
 }
 
 static ssize_t
-auto_poweron_store(struct subsystem *subsys, const char *buf, size_t n)
+auto_poweron_store(struct kset *kset, const char *buf, size_t n)
 {
         int ret;
         unsigned long ups_restart;
@@ -72,12 +72,12 @@ static int __init pm_init(void)
 {
         int error = subsystem_register(&power_subsys);
         if (!error)
-                error = sysfs_create_group(&power_subsys.kset.kobj,&attr_group);
+                error = sysfs_create_group(&power_subsys.kobj, &attr_group);
         return error;
 }
 core_initcall(pm_init);
 #else
-extern struct subsystem power_subsys;
+extern struct kset power_subsys;
 
 static int __init apo_pm_init(void)
 {
diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c
index 06833ac2b115..0ea048d350d8 100644
--- a/arch/s390/kernel/ipl.c
+++ b/arch/s390/kernel/ipl.c
@@ -164,7 +164,7 @@ EXPORT_SYMBOL_GPL(diag308);
 /* SYSFS */
 
 #define DEFINE_IPL_ATTR_RO(_prefix, _name, _format, _value)             \
-static ssize_t sys_##_prefix##_##_name##_show(struct subsystem *subsys, \
+static ssize_t sys_##_prefix##_##_name##_show(struct kset *kset,        \
                 char *page)                                             \
 {                                                                       \
         return sprintf(page, _format, _value);                          \
@@ -173,13 +173,13 @@ static struct subsys_attribute sys_##_prefix##_##_name##_attr =		\
         __ATTR(_name, S_IRUGO, sys_##_prefix##_##_name##_show, NULL);
 
 #define DEFINE_IPL_ATTR_RW(_prefix, _name, _fmt_out, _fmt_in, _value)   \
-static ssize_t sys_##_prefix##_##_name##_show(struct subsystem *subsys, \
+static ssize_t sys_##_prefix##_##_name##_show(struct kset *kset,        \
                 char *page)                                             \
 {                                                                       \
         return sprintf(page, _fmt_out,                                  \
                         (unsigned long long) _value);                   \
 }                                                                       \
-static ssize_t sys_##_prefix##_##_name##_store(struct subsystem *subsys,\
+static ssize_t sys_##_prefix##_##_name##_store(struct kset *kset,       \
                 const char *buf, size_t len)                            \
 {                                                                       \
         unsigned long long value;                                       \
@@ -194,12 +194,12 @@ static struct subsys_attribute sys_##_prefix##_##_name##_attr =		\
                         sys_##_prefix##_##_name##_store);
 
 #define DEFINE_IPL_ATTR_STR_RW(_prefix, _name, _fmt_out, _fmt_in, _value)\
-static ssize_t sys_##_prefix##_##_name##_show(struct subsystem *subsys, \
+static ssize_t sys_##_prefix##_##_name##_show(struct kset *kset,        \
                 char *page)                                             \
 {                                                                       \
         return sprintf(page, _fmt_out, _value);                         \
 }                                                                       \
-static ssize_t sys_##_prefix##_##_name##_store(struct subsystem *subsys,\
+static ssize_t sys_##_prefix##_##_name##_store(struct kset *kset,       \
                 const char *buf, size_t len)                            \
 {                                                                       \
         if (sscanf(buf, _fmt_in, _value) != 1)                          \
@@ -272,14 +272,14 @@ void __init setup_ipl_info(void)
 struct ipl_info ipl_info;
 EXPORT_SYMBOL_GPL(ipl_info);
 
-static ssize_t ipl_type_show(struct subsystem *subsys, char *page)
+static ssize_t ipl_type_show(struct kset *kset, char *page)
 {
         return sprintf(page, "%s\n", ipl_type_str(ipl_info.type));
 }
 
 static struct subsys_attribute sys_ipl_type_attr = __ATTR_RO(ipl_type);
 
-static ssize_t sys_ipl_device_show(struct subsystem *subsys, char *page)
+static ssize_t sys_ipl_device_show(struct kset *kset, char *page)
 {
         struct ipl_parameter_block *ipl = IPL_PARMBLOCK_START;
 
@@ -371,7 +371,7 @@ static struct attribute_group ipl_fcp_attr_group = {
 
 /* CCW ipl device attributes */
 
-static ssize_t ipl_ccw_loadparm_show(struct subsystem *subsys, char *page)
+static ssize_t ipl_ccw_loadparm_show(struct kset *kset, char *page)
 {
         char loadparm[LOADPARM_LEN + 1] = {};
 
@@ -469,7 +469,7 @@ static void reipl_get_ascii_loadparm(char *loadparm)
         strstrip(loadparm);
 }
 
-static ssize_t reipl_ccw_loadparm_show(struct subsystem *subsys, char *page)
+static ssize_t reipl_ccw_loadparm_show(struct kset *kset, char *page)
 {
         char buf[LOADPARM_LEN + 1];
 
@@ -477,7 +477,7 @@ static ssize_t reipl_ccw_loadparm_show(struct subsystem *subsys, char *page)
         return sprintf(page, "%s\n", buf);
 }
 
-static ssize_t reipl_ccw_loadparm_store(struct subsystem *subsys,
+static ssize_t reipl_ccw_loadparm_store(struct kset *kset,
                                         const char *buf, size_t len)
 {
         int i, lp_len;
@@ -572,12 +572,12 @@ static int reipl_set_type(enum ipl_type type)
         return 0;
 }
 
-static ssize_t reipl_type_show(struct subsystem *subsys, char *page)
+static ssize_t reipl_type_show(struct kset *kset, char *page)
 {
         return sprintf(page, "%s\n", ipl_type_str(reipl_type));
 }
 
-static ssize_t reipl_type_store(struct subsystem *subsys, const char *buf,
+static ssize_t reipl_type_store(struct kset *kset, const char *buf,
                                 size_t len)
 {
         int rc = -EINVAL;
@@ -665,12 +665,12 @@ static int dump_set_type(enum dump_type type)
         return 0;
 }
 
-static ssize_t dump_type_show(struct subsystem *subsys, char *page)
+static ssize_t dump_type_show(struct kset *kset, char *page)
 {
         return sprintf(page, "%s\n", dump_type_str(dump_type));
 }
 
-static ssize_t dump_type_store(struct subsystem *subsys, const char *buf,
+static ssize_t dump_type_store(struct kset *kset, const char *buf,
                                size_t len)
 {
         int rc = -EINVAL;
@@ -697,12 +697,12 @@ static decl_subsys(shutdown_actions, NULL, NULL);
 
 /* on panic */
 
-static ssize_t on_panic_show(struct subsystem *subsys, char *page)
+static ssize_t on_panic_show(struct kset *kset, char *page)
 {
         return sprintf(page, "%s\n", shutdown_action_str(on_panic_action));
 }
 
-static ssize_t on_panic_store(struct subsystem *subsys, const char *buf,
+static ssize_t on_panic_store(struct kset *kset, const char *buf,
                               size_t len)
 {
         if (strncmp(buf, SHUTDOWN_REIPL_STR, strlen(SHUTDOWN_REIPL_STR)) == 0)
diff --git a/block/genhd.c b/block/genhd.c
index 441432a142f2..b5664440896c 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -17,7 +17,7 @@
 #include <linux/buffer_head.h>
 #include <linux/mutex.h>
 
-struct subsystem block_subsys;
+struct kset block_subsys;
 static DEFINE_MUTEX(block_subsys_lock);
 
 /*
@@ -221,7 +221,7 @@ static void *part_start(struct seq_file *part, loff_t *pos)
         loff_t l = *pos;
 
         mutex_lock(&block_subsys_lock);
-        list_for_each(p, &block_subsys.kset.list)
+        list_for_each(p, &block_subsys.list)
                 if (!l--)
                         return list_entry(p, struct gendisk, kobj.entry);
         return NULL;
@@ -231,7 +231,7 @@ static void *part_next(struct seq_file *part, void *v, loff_t *pos)
 {
         struct list_head *p = ((struct gendisk *)v)->kobj.entry.next;
         ++*pos;
-        return p==&block_subsys.kset.list ? NULL : 
+        return p==&block_subsys.list ? NULL :
                 list_entry(p, struct gendisk, kobj.entry);
 }
 
@@ -246,7 +246,7 @@ static int show_partition(struct seq_file *part, void *v)
         int n;
         char buf[BDEVNAME_SIZE];
 
-        if (&sgp->kobj.entry == block_subsys.kset.list.next)
+        if (&sgp->kobj.entry == block_subsys.list.next)
                 seq_puts(part, "major minor  #blocks  name\n\n");
 
         /* Don't show non-partitionable removeable devices or empty devices */
@@ -565,7 +565,7 @@ static void *diskstats_start(struct seq_file *part, loff_t *pos)
         struct list_head *p;
 
         mutex_lock(&block_subsys_lock);
-        list_for_each(p, &block_subsys.kset.list)
+        list_for_each(p, &block_subsys.list)
                 if (!k--)
                         return list_entry(p, struct gendisk, kobj.entry);
         return NULL;
@@ -575,7 +575,7 @@ static void *diskstats_next(struct seq_file *part, void *v, loff_t *pos)
 {
         struct list_head *p = ((struct gendisk *)v)->kobj.entry.next;
         ++*pos;
-        return p==&block_subsys.kset.list ? NULL :
+        return p==&block_subsys.list ? NULL :
                 list_entry(p, struct gendisk, kobj.entry);
 }
 
diff --git a/drivers/base/base.h b/drivers/base/base.h
index d597f2659b23..5512d84452f2 100644
--- a/drivers/base/base.h
+++ b/drivers/base/base.h
@@ -45,3 +45,5 @@ struct class_device_attribute *to_class_dev_attr(struct attribute *_attr)
 extern char *make_class_name(const char *name, struct kobject *kobj);
 
 extern void devres_release_all(struct device *dev);
+
+extern struct kset devices_subsys;
diff --git a/drivers/base/bus.c b/drivers/base/bus.c
index 1d76e2349654..dca734819e50 100644
--- a/drivers/base/bus.c
+++ b/drivers/base/bus.c
@@ -17,7 +17,7 @@
 #include "power/power.h"
 
 #define to_bus_attr(_attr) container_of(_attr, struct bus_attribute, attr)
-#define to_bus(obj) container_of(obj, struct bus_type, subsys.kset.kobj)
+#define to_bus(obj) container_of(obj, struct bus_type, subsys.kobj)
 
 /*
  * sysfs bindings for drivers
@@ -123,7 +123,7 @@ int bus_create_file(struct bus_type * bus, struct bus_attribute * attr)
 {
         int error;
         if (get_bus(bus)) {
-                error = sysfs_create_file(&bus->subsys.kset.kobj, &attr->attr);
+                error = sysfs_create_file(&bus->subsys.kobj, &attr->attr);
                 put_bus(bus);
         } else
                 error = -EINVAL;
@@ -133,7 +133,7 @@ int bus_create_file(struct bus_type * bus, struct bus_attribute * attr)
 void bus_remove_file(struct bus_type * bus, struct bus_attribute * attr)
 {
         if (get_bus(bus)) {
-                sysfs_remove_file(&bus->subsys.kset.kobj, &attr->attr);
+                sysfs_remove_file(&bus->subsys.kobj, &attr->attr);
                 put_bus(bus);
         }
 }
@@ -397,7 +397,7 @@ static void device_remove_attrs(struct bus_type * bus, struct device * dev)
 static int make_deprecated_bus_links(struct device *dev)
 {
         return sysfs_create_link(&dev->kobj,
-                                 &dev->bus->subsys.kset.kobj, "bus");
+                                 &dev->bus->subsys.kobj, "bus");
 }
 
 static void remove_deprecated_bus_links(struct device *dev)
@@ -431,7 +431,7 @@ int bus_add_device(struct device * dev)
                 if (error)
                         goto out_id;
                 error = sysfs_create_link(&dev->kobj,
-                                &dev->bus->subsys.kset.kobj, "subsystem");
+                                &dev->bus->subsys.kobj, "subsystem");
                 if (error)
                         goto out_subsys;
                 error = make_deprecated_bus_links(dev);
@@ -810,7 +810,7 @@ int bus_register(struct bus_type * bus)
 
         BLOCKING_INIT_NOTIFIER_HEAD(&bus->bus_notifier);
 
-        retval = kobject_set_name(&bus->subsys.kset.kobj, "%s", bus->name);
+        retval = kobject_set_name(&bus->subsys.kobj, "%s", bus->name);
         if (retval)
                 goto out;
 
@@ -820,13 +820,13 @@ int bus_register(struct bus_type * bus)
                 goto out;
 
         kobject_set_name(&bus->devices.kobj, "devices");
-        bus->devices.subsys = &bus->subsys;
+        bus->devices.kobj.parent = &bus->subsys.kobj;
         retval = kset_register(&bus->devices);
         if (retval)
                 goto bus_devices_fail;
 
         kobject_set_name(&bus->drivers.kobj, "drivers");
-        bus->drivers.subsys = &bus->subsys;
+        bus->drivers.kobj.parent = &bus->subsys.kobj;
         bus->drivers.ktype = &ktype_driver;
         retval = kset_register(&bus->drivers);
         if (retval)
diff --git a/drivers/base/class.c b/drivers/base/class.c
index 80bbb2074636..20c4ea6eb50d 100644
--- a/drivers/base/class.c
+++ b/drivers/base/class.c
@@ -19,10 +19,8 @@
 #include <linux/slab.h>
 #include "base.h"
 
-extern struct subsystem devices_subsys;
-
 #define to_class_attr(_attr) container_of(_attr, struct class_attribute, attr)
-#define to_class(obj) container_of(obj, struct class, subsys.kset.kobj)
+#define to_class(obj) container_of(obj, struct class, subsys.kobj)
 
 static ssize_t
 class_attr_show(struct kobject * kobj, struct attribute * attr, char * buf)
@@ -80,7 +78,7 @@ int class_create_file(struct class * cls, const struct class_attribute * attr)
 {
         int error;
         if (cls) {
-                error = sysfs_create_file(&cls->subsys.kset.kobj, &attr->attr);
+                error = sysfs_create_file(&cls->subsys.kobj, &attr->attr);
         } else
                 error = -EINVAL;
         return error;
@@ -89,7 +87,7 @@ int class_create_file(struct class * cls, const struct class_attribute * attr)
 void class_remove_file(struct class * cls, const struct class_attribute * attr)
 {
         if (cls)
-                sysfs_remove_file(&cls->subsys.kset.kobj, &attr->attr);
+                sysfs_remove_file(&cls->subsys.kobj, &attr->attr);
 }
 
 static struct class *class_get(struct class *cls)
@@ -147,7 +145,7 @@ int class_register(struct class * cls)
         INIT_LIST_HEAD(&cls->interfaces);
         kset_init(&cls->class_dirs);
         init_MUTEX(&cls->sem);
-        error = kobject_set_name(&cls->subsys.kset.kobj, "%s", cls->name);
+        error = kobject_set_name(&cls->subsys.kobj, "%s", cls->name);
         if (error)
                 return error;
 
@@ -611,7 +609,7 @@ int class_device_add(struct class_device *class_dev)
         if (parent_class_dev)
                 class_dev->kobj.parent = &parent_class_dev->kobj;
         else
-                class_dev->kobj.parent = &parent_class->subsys.kset.kobj;
+                class_dev->kobj.parent = &parent_class->subsys.kobj;
 
         error = kobject_add(&class_dev->kobj);
         if (error)
@@ -619,7 +617,7 @@ int class_device_add(struct class_device *class_dev)
 
         /* add the needed attributes to this device */
         error = sysfs_create_link(&class_dev->kobj,
-                                  &parent_class->subsys.kset.kobj, "subsystem");
+                                  &parent_class->subsys.kobj, "subsystem");
         if (error)
                 goto out3;
         class_dev->uevent_attr.attr.name = "uevent";
@@ -917,8 +915,8 @@ int __init classes_init(void)
         /* ick, this is ugly, the things we go through to keep from showing up
          * in sysfs... */
         subsystem_init(&class_obj_subsys);
-        if (!class_obj_subsys.kset.subsys)
-                        class_obj_subsys.kset.subsys = &class_obj_subsys;
+        if (!class_obj_subsys.kobj.parent)
+                class_obj_subsys.kobj.parent = &class_obj_subsys.kobj;
         return 0;
 }
 
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 8aa090da1cd7..b78fc1e68264 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -252,7 +252,7 @@ static ssize_t show_uevent(struct device *dev, struct device_attribute *attr,
         struct kobject *top_kobj;
         struct kset *kset;
         char *envp[32];
-        char data[PAGE_SIZE];
+        char *data = NULL;
         char *pos;
         int i;
         size_t count = 0;
@@ -276,6 +276,10 @@ static ssize_t show_uevent(struct device *dev, struct device_attribute *attr,
                 if (!kset->uevent_ops->filter(kset, &dev->kobj))
                         goto out;
 
+        data = (char *)get_zeroed_page(GFP_KERNEL);
+        if (!data)
+                return -ENOMEM;
+
         /* let the kset specific function add its keys */
         pos = data;
         retval = kset->uevent_ops->uevent(kset, &dev->kobj,
@@ -290,6 +294,7 @@ static ssize_t show_uevent(struct device *dev, struct device_attribute *attr,
                 count += sprintf(pos, "%s\n", envp[i]);
         }
 out:
+        free_page((unsigned long)data);
         return count;
 }
 
@@ -560,7 +565,7 @@ static struct kobject * get_device_parent(struct device *dev,
         /* Set the parent to the class, not the parent device */
         /* this keeps sysfs from having a symlink to make old udevs happy */
         if (dev->class)
-                return &dev->class->subsys.kset.kobj;
+                return &dev->class->subsys.kobj;
         else if (parent)
                 return &parent->kobj;
 
@@ -572,7 +577,7 @@ static struct kobject *virtual_device_parent(struct device *dev)
         static struct kobject *virtual_dir = NULL;
 
         if (!virtual_dir)
-                virtual_dir = kobject_add_dir(&devices_subsys.kset.kobj, "virtual");
+                virtual_dir = kobject_add_dir(&devices_subsys.kobj, "virtual");
 
         return virtual_dir;
 }
@@ -706,12 +711,12 @@ int device_add(struct device *dev)
         }
 
         if (dev->class) {
-                sysfs_create_link(&dev->kobj, &dev->class->subsys.kset.kobj,
+                sysfs_create_link(&dev->kobj, &dev->class->subsys.kobj,
                                   "subsystem");
                 /* If this is not a "fake" compatible device, then create the
                  * symlink from the class to the device. */
-                if (dev->kobj.parent != &dev->class->subsys.kset.kobj)
-                        sysfs_create_link(&dev->class->subsys.kset.kobj,
+                if (dev->kobj.parent != &dev->class->subsys.kobj)
+                        sysfs_create_link(&dev->class->subsys.kobj,
                                           &dev->kobj, dev->bus_id);
                 if (parent) {
                         sysfs_create_link(&dev->kobj, &dev->parent->kobj,
@@ -769,8 +774,8 @@ int device_add(struct device *dev)
                 sysfs_remove_link(&dev->kobj, "subsystem");
                 /* If this is not a "fake" compatible device, remove the
                  * symlink from the class to the device. */
-                if (dev->kobj.parent != &dev->class->subsys.kset.kobj)
-                        sysfs_remove_link(&dev->class->subsys.kset.kobj,
+                if (dev->kobj.parent != &dev->class->subsys.kobj)
+                        sysfs_remove_link(&dev->class->subsys.kobj,
                                           dev->bus_id);
                 if (parent) {
 #ifdef CONFIG_SYSFS_DEPRECATED
@@ -870,8 +875,8 @@ void device_del(struct device * dev)
                 sysfs_remove_link(&dev->kobj, "subsystem");
                 /* If this is not a "fake" compatible device, remove the
                  * symlink from the class to the device. */
-                if (dev->kobj.parent != &dev->class->subsys.kset.kobj)
-                        sysfs_remove_link(&dev->class->subsys.kset.kobj,
+                if (dev->kobj.parent != &dev->class->subsys.kobj)
+                        sysfs_remove_link(&dev->class->subsys.kobj,
                                           dev->bus_id);
                 if (parent) {
 #ifdef CONFIG_SYSFS_DEPRECATED
@@ -1187,9 +1192,9 @@ int device_rename(struct device *dev, char *new_name)
 #endif
 
         if (dev->class) {
-                sysfs_remove_link(&dev->class->subsys.kset.kobj,
+                sysfs_remove_link(&dev->class->subsys.kobj,
                                   old_symlink_name);
-                sysfs_create_link(&dev->class->subsys.kset.kobj, &dev->kobj,
+                sysfs_create_link(&dev->class->subsys.kobj, &dev->kobj,
                                   dev->bus_id);
         }
         put_device(dev);
diff --git a/drivers/base/firmware.c b/drivers/base/firmware.c
index cb1b98ae0d58..90c862932169 100644
--- a/drivers/base/firmware.c
+++ b/drivers/base/firmware.c
@@ -17,13 +17,13 @@
 
 static decl_subsys(firmware, NULL, NULL);
 
-int firmware_register(struct subsystem * s)
+int firmware_register(struct kset *s)
 {
-        kset_set_kset_s(s, firmware_subsys);
+        kobj_set_kset_s(s, firmware_subsys);
         return subsystem_register(s);
 }
 
-void firmware_unregister(struct subsystem * s)
+void firmware_unregister(struct kset *s)
 {
         subsystem_unregister(s);
 }
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 30480f6f2af2..17b5ece8f82c 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -292,20 +292,22 @@ EXPORT_SYMBOL_GPL(platform_device_add);
  *      @pdev:  platform device we're removing
  *
  *      Note that this function will also release all memory- and port-based
- *      resources owned by the device (@dev->resource).
+ *      resources owned by the device (@dev->resource).  This function
+ *      must _only_ be externally called in error cases.  All other usage
+ *      is a bug.
  */
 void platform_device_del(struct platform_device *pdev)
 {
         int i;
 
         if (pdev) {
+                device_del(&pdev->dev);
+
                 for (i = 0; i < pdev->num_resources; i++) {
                         struct resource *r = &pdev->resource[i];
                         if (r->flags & (IORESOURCE_MEM|IORESOURCE_IO))
                                 release_resource(r);
                 }
-
-                device_del(&pdev->dev);
         }
 }
 EXPORT_SYMBOL_GPL(platform_device_del);
diff --git a/drivers/base/power/shutdown.c b/drivers/base/power/shutdown.c
index 58b6f77a1b34..a47ee1b70d20 100644
--- a/drivers/base/power/shutdown.c
+++ b/drivers/base/power/shutdown.c
@@ -16,8 +16,6 @@
 
 #define to_dev(node) container_of(node, struct device, kobj.entry)
 
-extern struct subsystem devices_subsys;
-
 
 /**
  * We handle system devices differently - we suspend and shut them
@@ -36,7 +34,7 @@ void device_shutdown(void)
 {
         struct device * dev, *devn;
 
-        list_for_each_entry_safe_reverse(dev, devn, &devices_subsys.kset.list,
+        list_for_each_entry_safe_reverse(dev, devn, &devices_subsys.list,
                                 kobj.entry) {
                 if (dev->bus && dev->bus->shutdown) {
                         dev_dbg(dev, "shutdown\n");
diff --git a/drivers/base/sys.c b/drivers/base/sys.c
index 04e5db445c74..29f1291966c1 100644
--- a/drivers/base/sys.c
+++ b/drivers/base/sys.c
@@ -25,7 +25,7 @@
 
 #include "base.h"
 
-extern struct subsystem devices_subsys;
+extern struct kset devices_subsys;
 
 #define to_sysdev(k) container_of(k, struct sys_device, kobj)
 #define to_sysdev_attr(a) container_of(a, struct sysdev_attribute, attr)
@@ -138,7 +138,7 @@ int sysdev_class_register(struct sysdev_class * cls)
         pr_debug("Registering sysdev class '%s'\n",
                  kobject_name(&cls->kset.kobj));
         INIT_LIST_HEAD(&cls->drivers);
-        cls->kset.subsys = &system_subsys;
+        cls->kset.kobj.parent = &system_subsys.kobj;
         kset_set_kset_s(cls, system_subsys);
         return kset_register(&cls->kset);
 }
@@ -309,7 +309,7 @@ void sysdev_shutdown(void)
         pr_debug("Shutting Down System Devices\n");
 
         down(&sysdev_drivers_lock);
-        list_for_each_entry_reverse(cls, &system_subsys.kset.list,
+        list_for_each_entry_reverse(cls, &system_subsys.list,
                                     kset.kobj.entry) {
                 struct sys_device * sysdev;
 
@@ -384,7 +384,7 @@ int sysdev_suspend(pm_message_t state)
 
         pr_debug("Suspending System Devices\n");
 
-        list_for_each_entry_reverse(cls, &system_subsys.kset.list,
+        list_for_each_entry_reverse(cls, &system_subsys.list,
                                     kset.kobj.entry) {
 
                 pr_debug("Suspending type '%s':\n",
@@ -457,7 +457,7 @@ gbl_driver:
         }
 
         /* resume other classes */
-        list_for_each_entry_continue(cls, &system_subsys.kset.list,
+        list_for_each_entry_continue(cls, &system_subsys.list,
                                         kset.kobj.entry) {
                 list_for_each_entry(err_dev, &cls->kset.list, kobj.entry) {
                         pr_debug(" %s\n", kobject_name(&err_dev->kobj));
@@ -483,7 +483,7 @@ int sysdev_resume(void)
 
         pr_debug("Resuming System Devices\n");
 
-        list_for_each_entry(cls, &system_subsys.kset.list, kset.kobj.entry) {
+        list_for_each_entry(cls, &system_subsys.list, kset.kobj.entry) {
                 struct sys_device * sysdev;
 
                 pr_debug("Resuming type '%s':\n",
@@ -501,7 +501,7 @@ int sysdev_resume(void)
 
 int __init system_bus_init(void)
 {
-        system_subsys.kset.kobj.parent = &devices_subsys.kset.kobj;
+        system_subsys.kobj.parent = &devices_subsys.kobj;
         return subsystem_register(&system_subsys);
 }
 
diff --git a/drivers/firmware/efivars.c b/drivers/firmware/efivars.c
index c6281ccd4fe7..1324984a4c35 100644
--- a/drivers/firmware/efivars.c
+++ b/drivers/firmware/efivars.c
@@ -409,7 +409,7 @@ static struct kobj_type ktype_efivar = {
 };
 
 static ssize_t
-dummy(struct subsystem *sub, char *buf)
+dummy(struct kset *kset, char *buf)
 {
         return -ENODEV;
 }
@@ -422,7 +422,7 @@ efivar_unregister(struct efivar_entry *var)
 
 
 static ssize_t
-efivar_create(struct subsystem *sub, const char *buf, size_t count)
+efivar_create(struct kset *kset, const char *buf, size_t count)
 {
         struct efi_variable *new_var = (struct efi_variable *)buf;
         struct efivar_entry *search_efivar, *n;
@@ -480,7 +480,7 @@ efivar_create(struct subsystem *sub, const char *buf, size_t count)
 }
 
 static ssize_t
-efivar_delete(struct subsystem *sub, const char *buf, size_t count)
+efivar_delete(struct kset *kset, const char *buf, size_t count)
 {
         struct efi_variable *del_var = (struct efi_variable *)buf;
         struct efivar_entry *search_efivar, *n;
@@ -551,11 +551,11 @@ static struct subsys_attribute *var_subsys_attrs[] = {
  * the efivars driver
  */
 static ssize_t
-systab_read(struct subsystem *entry, char *buf)
+systab_read(struct kset *kset, char *buf)
 {
         char *str = buf;
 
-        if (!entry || !buf)
+        if (!kset || !buf)
                 return -EINVAL;
 
         if (efi.mps != EFI_INVALID_TABLE_ADDR)
@@ -687,7 +687,7 @@ efivars_init(void)
                 goto out_free;
         }
 
-        kset_set_kset_s(&vars_subsys, efi_subsys);
+        kobj_set_kset_s(&vars_subsys, efi_subsys);
 
         error = subsystem_register(&vars_subsys);
 
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index 6439f378f6cc..6e55b2c5874e 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -650,7 +650,7 @@ static struct input_handle *evdev_connect(struct input_handler *handler, struct
                         dev->cdev.dev, evdev->name);
 
         /* temporary symlink to keep userspace happy */
-        sysfs_create_link(&input_class.subsys.kset.kobj, &cdev->kobj,
+        sysfs_create_link(&input_class.subsys.kobj, &cdev->kobj,
                           evdev->name);
 
         return &evdev->handle;
@@ -661,7 +661,7 @@ static void evdev_disconnect(struct input_handle *handle)
         struct evdev *evdev = handle->private;
         struct evdev_list *list;
 
-        sysfs_remove_link(&input_class.subsys.kset.kobj, evdev->name);
+        sysfs_remove_link(&input_class.subsys.kobj, evdev->name);
         class_device_destroy(&input_class,
                         MKDEV(INPUT_MAJOR, EVDEV_MINOR_BASE + evdev->minor));
         evdev->exist = 0;
diff --git a/drivers/input/joydev.c b/drivers/input/joydev.c
index 9f3529ad3fda..d2482e4f71be 100644
--- a/drivers/input/joydev.c
+++ b/drivers/input/joydev.c
@@ -539,7 +539,7 @@ static struct input_handle *joydev_connect(struct input_handler *handler, struct
                         dev->cdev.dev, joydev->name);
 
         /* temporary symlink to keep userspace happy */
-        sysfs_create_link(&input_class.subsys.kset.kobj, &cdev->kobj,
+        sysfs_create_link(&input_class.subsys.kobj, &cdev->kobj,
                           joydev->name);
 
         return &joydev->handle;
@@ -550,7 +550,7 @@ static void joydev_disconnect(struct input_handle *handle)
         struct joydev *joydev = handle->private;
         struct joydev_list *list;
 
-        sysfs_remove_link(&input_class.subsys.kset.kobj, joydev->name);
+        sysfs_remove_link(&input_class.subsys.kobj, joydev->name);
         class_device_destroy(&input_class, MKDEV(INPUT_MAJOR, JOYDEV_MINOR_BASE + joydev->minor));
         joydev->exist = 0;
 
diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c
index 664bcc8116fc..074fee429d1b 100644
--- a/drivers/input/mousedev.c
+++ b/drivers/input/mousedev.c
@@ -661,7 +661,7 @@ static struct input_handle *mousedev_connect(struct input_handler *handler, stru
                         dev->cdev.dev, mousedev->name);
 
         /* temporary symlink to keep userspace happy */
-        sysfs_create_link(&input_class.subsys.kset.kobj, &cdev->kobj,
+        sysfs_create_link(&input_class.subsys.kobj, &cdev->kobj,
                           mousedev->name);
 
         return &mousedev->handle;
@@ -672,7 +672,7 @@ static void mousedev_disconnect(struct input_handle *handle)
         struct mousedev *mousedev = handle->private;
         struct mousedev_list *list;
 
-        sysfs_remove_link(&input_class.subsys.kset.kobj, mousedev->name);
+        sysfs_remove_link(&input_class.subsys.kobj, mousedev->name);
         class_device_destroy(&input_class,
                         MKDEV(INPUT_MAJOR, MOUSEDEV_MINOR_BASE + mousedev->minor));
         mousedev->exist = 0;
diff --git a/drivers/input/tsdev.c b/drivers/input/tsdev.c
index 0300dca8591d..05dfc10bc079 100644
--- a/drivers/input/tsdev.c
+++ b/drivers/input/tsdev.c
@@ -420,7 +420,7 @@ static struct input_handle *tsdev_connect(struct input_handler *handler,
                         dev->cdev.dev, tsdev->name);
 
         /* temporary symlink to keep userspace happy */
-        sysfs_create_link(&input_class.subsys.kset.kobj, &cdev->kobj,
+        sysfs_create_link(&input_class.subsys.kobj, &cdev->kobj,
                           tsdev->name);
 
         return &tsdev->handle;
@@ -431,7 +431,7 @@ static void tsdev_disconnect(struct input_handle *handle)
         struct tsdev *tsdev = handle->private;
         struct tsdev_list *list;
 
-        sysfs_remove_link(&input_class.subsys.kset.kobj, tsdev->name);
+        sysfs_remove_link(&input_class.subsys.kobj, tsdev->name);
         class_device_destroy(&input_class,
                         MKDEV(INPUT_MAJOR, TSDEV_MINOR_BASE + tsdev->minor));
         tsdev->exist = 0;
diff --git a/drivers/parisc/pdc_stable.c b/drivers/parisc/pdc_stable.c
index ea1b7a63598e..815e445c3125 100644
--- a/drivers/parisc/pdc_stable.c
+++ b/drivers/parisc/pdc_stable.c
@@ -520,17 +520,17 @@ static struct pdcspath_entry *pdcspath_entries[] = {
 
 /**
  * pdcs_size_read - Stable Storage size output.
- * @entry: An allocated and populated subsytem struct. We don't use it tho.
+ * @kset: An allocated and populated struct kset. We don't use it tho.
  * @buf: The output buffer to write to.
  */
 static ssize_t
-pdcs_size_read(struct subsystem *entry, char *buf)
+pdcs_size_read(struct kset *kset, char *buf)
 {
         char *out = buf;
-        
-        if (!entry || !buf)
+
+        if (!kset || !buf)
                 return -EINVAL;
-                
+
         /* show the size of the stable storage */
         out += sprintf(out, "%ld\n", pdcs_size);
 
@@ -539,17 +539,17 @@ pdcs_size_read(struct subsystem *entry, char *buf)
 
 /**
  * pdcs_auto_read - Stable Storage autoboot/search flag output.
- * @entry: An allocated and populated subsytem struct. We don't use it tho.
+ * @kset: An allocated and populated struct kset. We don't use it tho.
  * @buf: The output buffer to write to.
  * @knob: The PF_AUTOBOOT or PF_AUTOSEARCH flag
  */
 static ssize_t
-pdcs_auto_read(struct subsystem *entry, char *buf, int knob)
+pdcs_auto_read(struct kset *kset, char *buf, int knob)
 {
         char *out = buf;
         struct pdcspath_entry *pathentry;
 
-        if (!entry || !buf)
+        if (!kset || !buf)
                 return -EINVAL;
 
         /* Current flags are stored in primary boot path entry */
@@ -565,40 +565,40 @@ pdcs_auto_read(struct subsystem *entry, char *buf, int knob)
 
 /**
  * pdcs_autoboot_read - Stable Storage autoboot flag output.
- * @entry: An allocated and populated subsytem struct. We don't use it tho.
+ * @kset: An allocated and populated struct kset. We don't use it tho.
  * @buf: The output buffer to write to.
  */
 static inline ssize_t
-pdcs_autoboot_read(struct subsystem *entry, char *buf)
+pdcs_autoboot_read(struct kset *kset, char *buf)
 {
-        return pdcs_auto_read(entry, buf, PF_AUTOBOOT);
+        return pdcs_auto_read(kset, buf, PF_AUTOBOOT);
 }
 
 /**
  * pdcs_autosearch_read - Stable Storage autoboot flag output.
- * @entry: An allocated and populated subsytem struct. We don't use it tho.
+ * @kset: An allocated and populated struct kset. We don't use it tho.
  * @buf: The output buffer to write to.
  */
 static inline ssize_t
-pdcs_autosearch_read(struct subsystem *entry, char *buf)
+pdcs_autosearch_read(struct kset *kset, char *buf)
 {
-        return pdcs_auto_read(entry, buf, PF_AUTOSEARCH);
+        return pdcs_auto_read(kset, buf, PF_AUTOSEARCH);
 }
 
 /**
  * pdcs_timer_read - Stable Storage timer count output (in seconds).
- * @entry: An allocated and populated subsytem struct. We don't use it tho.
+ * @kset: An allocated and populated struct kset. We don't use it tho.
  * @buf: The output buffer to write to.
  *
  * The value of the timer field correponds to a number of seconds in powers of 2.
  */
 static ssize_t
-pdcs_timer_read(struct subsystem *entry, char *buf)
+pdcs_timer_read(struct kset *kset, char *buf)
 {
         char *out = buf;
         struct pdcspath_entry *pathentry;
 
-        if (!entry || !buf)
+        if (!kset || !buf)
                 return -EINVAL;
 
         /* Current flags are stored in primary boot path entry */
@@ -615,15 +615,15 @@ pdcs_timer_read(struct subsystem *entry, char *buf)
 
 /**
  * pdcs_osid_read - Stable Storage OS ID register output.
- * @entry: An allocated and populated subsytem struct. We don't use it tho.
+ * @kset: An allocated and populated struct kset. We don't use it tho.
  * @buf: The output buffer to write to.
  */
 static ssize_t
-pdcs_osid_read(struct subsystem *entry, char *buf)
+pdcs_osid_read(struct kset *kset, char *buf)
 {
         char *out = buf;
 
-        if (!entry || !buf)
+        if (!kset || !buf)
                 return -EINVAL;
 
         out += sprintf(out, "%s dependent data (0x%.4x)\n",
@@ -634,18 +634,18 @@ pdcs_osid_read(struct subsystem *entry, char *buf)
 
 /**
  * pdcs_osdep1_read - Stable Storage OS-Dependent data area 1 output.
- * @entry: An allocated and populated subsytem struct. We don't use it tho.
+ * @kset: An allocated and populated struct kset. We don't use it tho.
  * @buf: The output buffer to write to.
  *
  * This can hold 16 bytes of OS-Dependent data.
  */
 static ssize_t
-pdcs_osdep1_read(struct subsystem *entry, char *buf)
+pdcs_osdep1_read(struct kset *kset, char *buf)
 {
         char *out = buf;
         u32 result[4];
 
-        if (!entry || !buf)
+        if (!kset || !buf)
                 return -EINVAL;
 
         if (pdc_stable_read(PDCS_ADDR_OSD1, &result, sizeof(result)) != PDC_OK)
@@ -661,18 +661,18 @@ pdcs_osdep1_read(struct subsystem *entry, char *buf)
 
 /**
  * pdcs_diagnostic_read - Stable Storage Diagnostic register output.
- * @entry: An allocated and populated subsytem struct. We don't use it tho.
+ * @kset: An allocated and populated struct kset. We don't use it tho.
  * @buf: The output buffer to write to.
  *
  * I have NFC how to interpret the content of that register ;-).
  */
 static ssize_t
-pdcs_diagnostic_read(struct subsystem *entry, char *buf)
+pdcs_diagnostic_read(struct kset *kset, char *buf)
 {
         char *out = buf;
         u32 result;
 
-        if (!entry || !buf)
+        if (!kset || !buf)
                 return -EINVAL;
 
         /* get diagnostic */
@@ -686,18 +686,18 @@ pdcs_diagnostic_read(struct subsystem *entry, char *buf)
 
 /**
  * pdcs_fastsize_read - Stable Storage FastSize register output.
- * @entry: An allocated and populated subsytem struct. We don't use it tho.
+ * @kset: An allocated and populated struct kset. We don't use it tho.
  * @buf: The output buffer to write to.
  *
  * This register holds the amount of system RAM to be tested during boot sequence.
  */
 static ssize_t
-pdcs_fastsize_read(struct subsystem *entry, char *buf)
+pdcs_fastsize_read(struct kset *kset, char *buf)
 {
         char *out = buf;
         u32 result;
 
-        if (!entry || !buf)
+        if (!kset || !buf)
                 return -EINVAL;
 
         /* get fast-size */
@@ -715,13 +715,13 @@ pdcs_fastsize_read(struct subsystem *entry, char *buf)
 
 /**
  * pdcs_osdep2_read - Stable Storage OS-Dependent data area 2 output.
- * @entry: An allocated and populated subsytem struct. We don't use it tho.
+ * @kset: An allocated and populated struct kset. We don't use it tho.
  * @buf: The output buffer to write to.
  *
  * This can hold pdcs_size - 224 bytes of OS-Dependent data, when available.
  */
 static ssize_t
-pdcs_osdep2_read(struct subsystem *entry, char *buf)
+pdcs_osdep2_read(struct kset *kset, char *buf)
 {
         char *out = buf;
         unsigned long size;
@@ -733,7 +733,7 @@ pdcs_osdep2_read(struct subsystem *entry, char *buf)
 
         size = pdcs_size - 224;
 
-        if (!entry || !buf)
+        if (!kset || !buf)
                 return -EINVAL;
 
         for (i=0; i<size; i+=4) {
@@ -748,7 +748,7 @@ pdcs_osdep2_read(struct subsystem *entry, char *buf)
 
 /**
  * pdcs_auto_write - This function handles autoboot/search flag modifying.
- * @entry: An allocated and populated subsytem struct. We don't use it tho.
+ * @kset: An allocated and populated struct kset. We don't use it tho.
  * @buf: The input buffer to read from.
  * @count: The number of bytes to be read.
  * @knob: The PF_AUTOBOOT or PF_AUTOSEARCH flag
@@ -758,7 +758,7 @@ pdcs_osdep2_read(struct subsystem *entry, char *buf)
  *      \"n\" (n == 0 or 1) to toggle AutoBoot Off or On
  */
 static ssize_t
-pdcs_auto_write(struct subsystem *entry, const char *buf, size_t count, int knob)
+pdcs_auto_write(struct kset *kset, const char *buf, size_t count, int knob)
 {
         struct pdcspath_entry *pathentry;
         unsigned char flags;
@@ -768,7 +768,7 @@ pdcs_auto_write(struct subsystem *entry, const char *buf, size_t count, int knob
         if (!capable(CAP_SYS_ADMIN))
                 return -EACCES;
 
-        if (!entry || !buf || !count)
+        if (!kset || !buf || !count)
                 return -EINVAL;
 
         /* We'll use a local copy of buf */
@@ -823,7 +823,7 @@ parse_error:
 
 /**
  * pdcs_autoboot_write - This function handles autoboot flag modifying.
- * @entry: An allocated and populated subsytem struct. We don't use it tho.
+ * @kset: An allocated and populated struct kset. We don't use it tho.
  * @buf: The input buffer to read from.
  * @count: The number of bytes to be read.
  *
@@ -832,14 +832,14 @@ parse_error:
  *      \"n\" (n == 0 or 1) to toggle AutoSearch Off or On
  */
 static inline ssize_t
-pdcs_autoboot_write(struct subsystem *entry, const char *buf, size_t count)
+pdcs_autoboot_write(struct kset *kset, const char *buf, size_t count)
 {
-        return pdcs_auto_write(entry, buf, count, PF_AUTOBOOT);
+        return pdcs_auto_write(kset, buf, count, PF_AUTOBOOT);
 }
 
 /**
  * pdcs_autosearch_write - This function handles autosearch flag modifying.
- * @entry: An allocated and populated subsytem struct. We don't use it tho.
+ * @kset: An allocated and populated struct kset. We don't use it tho.
  * @buf: The input buffer to read from.
  * @count: The number of bytes to be read.
  *
@@ -848,14 +848,14 @@ pdcs_autoboot_write(struct subsystem *entry, const char *buf, size_t count)
  *      \"n\" (n == 0 or 1) to toggle AutoSearch Off or On
  */
 static inline ssize_t
-pdcs_autosearch_write(struct subsystem *entry, const char *buf, size_t count)
+pdcs_autosearch_write(struct kset *kset, const char *buf, size_t count)
 {
-        return pdcs_auto_write(entry, buf, count, PF_AUTOSEARCH);
+        return pdcs_auto_write(kset, buf, count, PF_AUTOSEARCH);
 }
 
 /**
  * pdcs_osdep1_write - Stable Storage OS-Dependent data area 1 input.
- * @entry: An allocated and populated subsytem struct. We don't use it tho.
+ * @kset: An allocated and populated struct kset. We don't use it tho.
  * @buf: The input buffer to read from.
  * @count: The number of bytes to be read.
  *
@@ -864,14 +864,14 @@ pdcs_autosearch_write(struct subsystem *entry, const char *buf, size_t count)
  * its input buffer.
  */
 static ssize_t
-pdcs_osdep1_write(struct subsystem *entry, const char *buf, size_t count)
+pdcs_osdep1_write(struct kset *kset, const char *buf, size_t count)
 {
         u8 in[16];
 
         if (!capable(CAP_SYS_ADMIN))
                 return -EACCES;
 
-        if (!entry || !buf || !count)
+        if (!kset || !buf || !count)
                 return -EINVAL;
 
         if (unlikely(pdcs_osid != OS_ID_LINUX))
@@ -892,7 +892,7 @@ pdcs_osdep1_write(struct subsystem *entry, const char *buf, size_t count)
 
 /**
  * pdcs_osdep2_write - Stable Storage OS-Dependent data area 2 input.
- * @entry: An allocated and populated subsytem struct. We don't use it tho.
+ * @kset: An allocated and populated struct kset. We don't use it tho.
  * @buf: The input buffer to read from.
  * @count: The number of bytes to be read.
  *
@@ -901,7 +901,7 @@ pdcs_osdep1_write(struct subsystem *entry, const char *buf, size_t count)
  * constructing its input buffer.
  */
 static ssize_t
-pdcs_osdep2_write(struct subsystem *entry, const char *buf, size_t count)
+pdcs_osdep2_write(struct kset *kset, const char *buf, size_t count)
 {
         unsigned long size;
         unsigned short i;
@@ -910,7 +910,7 @@ pdcs_osdep2_write(struct subsystem *entry, const char *buf, size_t count)
         if (!capable(CAP_SYS_ADMIN))
                 return -EACCES;
 
-        if (!entry || !buf || !count)
+        if (!kset || !buf || !count)
                 return -EINVAL;
 
         if (unlikely(pdcs_size <= 224))
diff --git a/drivers/pci/hotplug/acpiphp_ibm.c b/drivers/pci/hotplug/acpiphp_ibm.c
index 7f03881a8b68..e7322c25d377 100644
--- a/drivers/pci/hotplug/acpiphp_ibm.c
+++ b/drivers/pci/hotplug/acpiphp_ibm.c
@@ -424,7 +424,7 @@ static int __init ibm_acpiphp_init(void)
         int retval = 0;
         acpi_status status;
         struct acpi_device *device;
-        struct kobject *sysdir = &pci_hotplug_slots_subsys.kset.kobj;
+        struct kobject *sysdir = &pci_hotplug_slots_subsys.kobj;
 
         dbg("%s\n", __FUNCTION__);
 
@@ -471,7 +471,7 @@ init_return:
 static void __exit ibm_acpiphp_exit(void)
 {
         acpi_status status;
-        struct kobject *sysdir = &pci_hotplug_slots_subsys.kset.kobj;
+        struct kobject *sysdir = &pci_hotplug_slots_subsys.kobj;
 
         dbg("%s\n", __FUNCTION__);
 
diff --git a/drivers/pci/hotplug/pci_hotplug_core.c b/drivers/pci/hotplug/pci_hotplug_core.c
index f5d632e72323..63f3bd1eecc4 100644
--- a/drivers/pci/hotplug/pci_hotplug_core.c
+++ b/drivers/pci/hotplug/pci_hotplug_core.c
@@ -62,7 +62,7 @@ static int debug;
 
 static LIST_HEAD(pci_hotplug_slot_list);
 
-struct subsystem pci_hotplug_slots_subsys;
+struct kset pci_hotplug_slots_subsys;
 
 static ssize_t hotplug_slot_attr_show(struct kobject *kobj,
                 struct attribute *attr, char *buf)
@@ -764,7 +764,7 @@ static int __init pci_hotplug_init (void)
 {
         int result;
 
-        kset_set_kset_s(&pci_hotplug_slots_subsys, pci_bus_type.subsys);
+        kobj_set_kset_s(&pci_hotplug_slots_subsys, pci_bus_type.subsys);
         result = subsystem_register(&pci_hotplug_slots_subsys);
         if (result) {
                 err("Register subsys with error %d\n", result);
diff --git a/fs/configfs/mount.c b/fs/configfs/mount.c
index 6f573004cd7d..b00d962de833 100644
--- a/fs/configfs/mount.c
+++ b/fs/configfs/mount.c
@@ -140,7 +140,7 @@ static int __init configfs_init(void)
         if (!configfs_dir_cachep)
                 goto out;
 
-        kset_set_kset_s(&config_subsys, kernel_subsys);
+        kobj_set_kset_s(&config_subsys, kernel_subsys);
         err = subsystem_register(&config_subsys);
         if (err) {
                 kmem_cache_destroy(configfs_dir_cachep);
diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c
index 7b324cfebcb1..ec8896b264de 100644
--- a/fs/debugfs/inode.c
+++ b/fs/debugfs/inode.c
@@ -374,7 +374,7 @@ static int __init debugfs_init(void)
 {
         int retval;
 
-        kset_set_kset_s(&debug_subsys, kernel_subsys);
+        kobj_set_kset_s(&debug_subsys, kernel_subsys);
         retval = subsystem_register(&debug_subsys);
         if (retval)
                 return retval;
diff --git a/fs/dlm/lockspace.c b/fs/dlm/lockspace.c
index f40817b53c6f..8e6ad7600236 100644
--- a/fs/dlm/lockspace.c
+++ b/fs/dlm/lockspace.c
@@ -167,7 +167,6 @@ static struct kobj_type dlm_ktype = {
 };
 
 static struct kset dlm_kset = {
-        .subsys = &kernel_subsys,
         .kobj   = {.name = "dlm",},
         .ktype  = &dlm_ktype,
 };
@@ -218,6 +217,7 @@ int dlm_lockspace_init(void)
         INIT_LIST_HEAD(&lslist);
         spin_lock_init(&lslist_lock);
 
+        kobj_set_kset_s(&dlm_kset, kernel_subsys);
         error = kset_register(&dlm_kset);
         if (error)
                 printk("dlm_lockspace_init: cannot register kset %d\n", error);
diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c
index fc4a3a224641..6acc8f4fc588 100644
--- a/fs/ecryptfs/main.c
+++ b/fs/ecryptfs/main.c
@@ -793,7 +793,7 @@ static int do_sysfs_registration(void)
                        "Unable to register ecryptfs sysfs subsystem\n");
                 goto out;
         }
-        rc = sysfs_create_file(&ecryptfs_subsys.kset.kobj,
+        rc = sysfs_create_file(&ecryptfs_subsys.kobj,
                                &sysfs_attr_version.attr);
         if (rc) {
                 printk(KERN_ERR
@@ -801,12 +801,12 @@ static int do_sysfs_registration(void)
                 subsystem_unregister(&ecryptfs_subsys);
                 goto out;
         }
-        rc = sysfs_create_file(&ecryptfs_subsys.kset.kobj,
+        rc = sysfs_create_file(&ecryptfs_subsys.kobj,
                                &sysfs_attr_version_str.attr);
         if (rc) {
                 printk(KERN_ERR
                        "Unable to create ecryptfs version_str attribute\n");
-                sysfs_remove_file(&ecryptfs_subsys.kset.kobj,
+                sysfs_remove_file(&ecryptfs_subsys.kobj,
                                   &sysfs_attr_version.attr);
                 subsystem_unregister(&ecryptfs_subsys);
                 goto out;
@@ -841,7 +841,7 @@ static int __init ecryptfs_init(void)
                 ecryptfs_free_kmem_caches();
                 goto out;
         }
-        kset_set_kset_s(&ecryptfs_subsys, fs_subsys);
+        kobj_set_kset_s(&ecryptfs_subsys, fs_subsys);
         sysfs_attr_version.attr.owner = THIS_MODULE;
         sysfs_attr_version_str.attr.owner = THIS_MODULE;
         rc = do_sysfs_registration();
@@ -862,9 +862,9 @@ out:
 
 static void __exit ecryptfs_exit(void)
 {
-        sysfs_remove_file(&ecryptfs_subsys.kset.kobj,
+        sysfs_remove_file(&ecryptfs_subsys.kobj,
                           &sysfs_attr_version.attr);
-        sysfs_remove_file(&ecryptfs_subsys.kset.kobj,
+        sysfs_remove_file(&ecryptfs_subsys.kobj,
                           &sysfs_attr_version_str.attr);
         subsystem_unregister(&ecryptfs_subsys);
         ecryptfs_release_messaging(ecryptfs_transport);
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index 608db81219a0..bdffe0cfe09a 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -731,12 +731,12 @@ static int fuse_sysfs_init(void)
 {
         int err;
 
-        kset_set_kset_s(&fuse_subsys, fs_subsys);
+        kobj_set_kset_s(&fuse_subsys, fs_subsys);
         err = subsystem_register(&fuse_subsys);
         if (err)
                 goto out_err;
 
-        kset_set_kset_s(&connections_subsys, fuse_subsys);
+        kobj_set_kset_s(&connections_subsys, fuse_subsys);
         err = subsystem_register(&connections_subsys);
         if (err)
                 goto out_fuse_unregister;
diff --git a/fs/gfs2/locking/dlm/sysfs.c b/fs/gfs2/locking/dlm/sysfs.c
index 4746b884662d..d9fe3ca40e18 100644
--- a/fs/gfs2/locking/dlm/sysfs.c
+++ b/fs/gfs2/locking/dlm/sysfs.c
@@ -190,7 +190,6 @@ static struct kobj_type gdlm_ktype = {
 };
 
 static struct kset gdlm_kset = {
-        .subsys = &kernel_subsys,
         .kobj   = {.name = "lock_dlm",},
         .ktype  = &gdlm_ktype,
 };
@@ -225,6 +224,7 @@ int gdlm_sysfs_init(void)
 {
         int error;
 
+        kobj_set_kset_s(&gdlm_kset, kernel_subsys);
         error = kset_register(&gdlm_kset);
         if (error)
                 printk("lock_dlm: cannot register kset %d\n", error);
diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c
index d01f9f0fda26..c26c21b53c19 100644
--- a/fs/gfs2/sys.c
+++ b/fs/gfs2/sys.c
@@ -222,7 +222,6 @@ static struct kobj_type gfs2_ktype = {
 };
 
 static struct kset gfs2_kset = {
-        .subsys = &fs_subsys,
         .kobj   = {.name = "gfs2"},
         .ktype  = &gfs2_ktype,
 };
@@ -554,6 +553,7 @@ int gfs2_sys_init(void)
 {
         gfs2_sys_margs = NULL;
         spin_lock_init(&gfs2_sys_margs_lock);
+        kobj_set_kset_s(&gfs2_kset, fs_subsys);
         return kset_register(&gfs2_kset);
 }
 
diff --git a/fs/ocfs2/cluster/masklog.c b/fs/ocfs2/cluster/masklog.c
index 636593bf4d17..2e975c0a35e1 100644
--- a/fs/ocfs2/cluster/masklog.c
+++ b/fs/ocfs2/cluster/masklog.c
@@ -147,7 +147,7 @@ static struct kset mlog_kset = {
         .kobj   = {.name = "logmask", .ktype = &mlog_ktype},
 };
 
-int mlog_sys_init(struct subsystem *o2cb_subsys)
+int mlog_sys_init(struct kset *o2cb_subsys)
 {
         int i = 0;
 
@@ -157,7 +157,7 @@ int mlog_sys_init(struct subsystem *o2cb_subsys)
         }
         mlog_attr_ptrs[i] = NULL;
 
-        mlog_kset.subsys = o2cb_subsys;
+        kobj_set_kset_s(&mlog_kset, o2cb_subsys);
         return kset_register(&mlog_kset);
 }
 
diff --git a/fs/ocfs2/cluster/masklog.h b/fs/ocfs2/cluster/masklog.h
index a42628ba9ddf..75cd877f6d42 100644
--- a/fs/ocfs2/cluster/masklog.h
+++ b/fs/ocfs2/cluster/masklog.h
@@ -278,7 +278,7 @@ extern struct mlog_bits mlog_and_bits, mlog_not_bits;
 
 #include <linux/kobject.h>
 #include <linux/sysfs.h>
-int mlog_sys_init(struct subsystem *o2cb_subsys);
+int mlog_sys_init(struct kset *o2cb_subsys);
 void mlog_sys_shutdown(void);
 
 #endif /* O2CLUSTER_MASKLOG_H */
diff --git a/fs/ocfs2/cluster/sys.c b/fs/ocfs2/cluster/sys.c
index 1d9f6acafa2e..64f6f378fd09 100644
--- a/fs/ocfs2/cluster/sys.c
+++ b/fs/ocfs2/cluster/sys.c
@@ -42,7 +42,6 @@ struct o2cb_attribute {
 #define O2CB_ATTR(_name, _mode, _show, _store)  \
 struct o2cb_attribute o2cb_attr_##_name = __ATTR(_name, _mode, _show, _store)
 
-#define to_o2cb_subsys(k) container_of(to_kset(k), struct subsystem, kset)
 #define to_o2cb_attr(_attr) container_of(_attr, struct o2cb_attribute, attr)
 
 static ssize_t o2cb_interface_revision_show(char *buf)
@@ -79,7 +78,7 @@ static ssize_t
 o2cb_show(struct kobject * kobj, struct attribute * attr, char * buffer)
 {
         struct o2cb_attribute *o2cb_attr = to_o2cb_attr(attr);
-        struct subsystem *sbs = to_o2cb_subsys(kobj);
+        struct kset *sbs = to_kset(kobj);
 
         BUG_ON(sbs != &o2cb_subsys);
 
@@ -93,7 +92,7 @@ o2cb_store(struct kobject * kobj, struct attribute * attr,
              const char * buffer, size_t count)
 {
         struct o2cb_attribute *o2cb_attr = to_o2cb_attr(attr);
-        struct subsystem *sbs = to_o2cb_subsys(kobj);
+        struct kset *sbs = to_kset(kobj);
 
         BUG_ON(sbs != &o2cb_subsys);
 
@@ -112,7 +111,7 @@ int o2cb_sys_init(void)
 {
         int ret;
 
-        o2cb_subsys.kset.kobj.ktype = &o2cb_subsys_type;
+        o2cb_subsys.kobj.ktype = &o2cb_subsys_type;
         ret = subsystem_register(&o2cb_subsys);
         if (ret)
                 return ret;
diff --git a/fs/partitions/check.c b/fs/partitions/check.c
index 8a7d0035ad7a..f01572fca02f 100644
--- a/fs/partitions/check.c
+++ b/fs/partitions/check.c
@@ -312,7 +312,7 @@ static struct attribute * default_attrs[] = {
         NULL,
 };
 
-extern struct subsystem block_subsys;
+extern struct kset block_subsys;
 
 static void part_release(struct kobject *kobj)
 {
@@ -388,7 +388,7 @@ void add_partition(struct gendisk *disk, int part, sector_t start, sector_t len,
         kobject_add(&p->kobj);
         if (!disk->part_uevent_suppress)
                 kobject_uevent(&p->kobj, KOBJ_ADD);
-        sysfs_create_link(&p->kobj, &block_subsys.kset.kobj, "subsystem");
+        sysfs_create_link(&p->kobj, &block_subsys.kobj, "subsystem");
         if (flags & ADDPART_FLAG_WHOLEDISK) {
                 static struct attribute addpartattr = {
                         .name = "whole_disk",
@@ -444,7 +444,7 @@ static int disk_sysfs_symlinks(struct gendisk *disk)
                         goto err_out_dev_link;
         }
 
-        err = sysfs_create_link(&disk->kobj, &block_subsys.kset.kobj,
+        err = sysfs_create_link(&disk->kobj, &block_subsys.kobj,
                                 "subsystem");
         if (err)
                 goto err_out_disk_name_lnk;
diff --git a/fs/sysfs/bin.c b/fs/sysfs/bin.c
index 8ea2a51ce883..d3b9f5f07db1 100644
--- a/fs/sysfs/bin.c
+++ b/fs/sysfs/bin.c
@@ -59,7 +59,7 @@ read(struct file * file, char __user * userbuf, size_t count, loff_t * off)
         if (copy_to_user(userbuf, buffer, count))
                 return -EFAULT;
 
-        pr_debug("offs = %lld, *off = %lld, count = %d\n", offs, *off, count);
+        pr_debug("offs = %lld, *off = %lld, count = %zd\n", offs, *off, count);
 
         *off = offs + count;
 
diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c
index db0413a411d6..0e637adc2b87 100644
--- a/fs/sysfs/file.c
+++ b/fs/sysfs/file.c
@@ -13,8 +13,7 @@
 
 #include "sysfs.h"
 
-#define to_subsys(k) container_of(k,struct subsystem,kset.kobj)
-#define to_sattr(a) container_of(a,struct subsys_attribute,attr)
+#define to_sattr(a) container_of(a,struct subsys_attribute, attr)
 
 /*
  * Subsystem file operations.
@@ -24,12 +23,12 @@
 static ssize_t 
 subsys_attr_show(struct kobject * kobj, struct attribute * attr, char * page)
 {
-        struct subsystem * s = to_subsys(kobj);
+        struct kset *kset = to_kset(kobj);
         struct subsys_attribute * sattr = to_sattr(attr);
         ssize_t ret = -EIO;
 
         if (sattr->show)
-                ret = sattr->show(s,page);
+                ret = sattr->show(kset, page);
         return ret;
 }
 
@@ -37,12 +36,12 @@ static ssize_t
 subsys_attr_store(struct kobject * kobj, struct attribute * attr, 
                   const char * page, size_t count)
 {
-        struct subsystem * s = to_subsys(kobj);
+        struct kset *kset = to_kset(kobj);
         struct subsys_attribute * sattr = to_sattr(attr);
         ssize_t ret = -EIO;
 
         if (sattr->store)
-                ret = sattr->store(s,page,count);
+                ret = sattr->store(kset, page, count);
         return ret;
 }
 
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index 0d9f984a60a1..16c3c441256e 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -316,7 +316,7 @@ struct acpi_bus_event {
         u32 data;
 };
 
-extern struct subsystem acpi_subsys;
+extern struct kset acpi_subsys;
 
 /*
  * External Functions
diff --git a/include/linux/device.h b/include/linux/device.h
index ff83b61d283d..6579068134d1 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -53,7 +53,7 @@ struct bus_type {
         const char              * name;
         struct module           * owner;
 
-        struct subsystem        subsys;
+        struct kset             subsys;
         struct kset             drivers;
         struct kset             devices;
         struct klist            klist_devices;
@@ -178,7 +178,7 @@ struct class {
         const char              * name;
         struct module           * owner;
 
-        struct subsystem        subsys;
+        struct kset             subsys;
         struct list_head        children;
         struct list_head        devices;
         struct list_head        interfaces;
@@ -558,8 +558,8 @@ extern void device_shutdown(void);
 
 
 /* drivers/base/firmware.c */
-extern int __must_check firmware_register(struct subsystem *);
-extern void firmware_unregister(struct subsystem *);
+extern int __must_check firmware_register(struct kset *);
+extern void firmware_unregister(struct kset *);
 
 /* debugging and troubleshooting/diagnostic helpers. */
 extern const char *dev_driver_string(struct device *dev);
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 095a9c9a64fb..7c0077f06e24 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1416,7 +1416,7 @@ extern void mnt_set_mountpoint(struct vfsmount *, struct dentry *,
 extern int vfs_statfs(struct dentry *, struct kstatfs *);
 
 /* /sys/fs */
-extern struct subsystem fs_subsys;
+extern struct kset fs_subsys;
 
 #define FLOCK_VERIFY_READ  1
 #define FLOCK_VERIFY_WRITE 2
diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index eb0e63ef297f..c288e41ba331 100644
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -124,7 +124,6 @@ struct kset_uevent_ops {
 };
 
 struct kset {
-        struct subsystem        * subsys;
         struct kobj_type        * ktype;
         struct list_head        list;
         spinlock_t              list_lock;
@@ -171,32 +170,23 @@ extern struct kobject * kset_find_obj(struct kset *, const char *);
 #define set_kset_name(str)      .kset = { .kobj = { .name = str } }
 
 
-
-struct subsystem {
-        struct kset             kset;
-};
-
 #define decl_subsys(_name,_type,_uevent_ops) \
-struct subsystem _name##_subsys = { \
-        .kset = { \
-                .kobj = { .name = __stringify(_name) }, \
-                .ktype = _type, \
-                .uevent_ops =_uevent_ops, \
-        } \
+struct kset _name##_subsys = { \
+        .kobj = { .name = __stringify(_name) }, \
+        .ktype = _type, \
+        .uevent_ops =_uevent_ops, \
 }
 #define decl_subsys_name(_varname,_name,_type,_uevent_ops) \
-struct subsystem _varname##_subsys = { \
-        .kset = { \
-                .kobj = { .name = __stringify(_name) }, \
-                .ktype = _type, \
-                .uevent_ops =_uevent_ops, \
-        } \
+struct kset _varname##_subsys = { \
+        .kobj = { .name = __stringify(_name) }, \
+        .ktype = _type, \
+        .uevent_ops =_uevent_ops, \
 }
 
 /* The global /sys/kernel/ subsystem for people to chain off of */
-extern struct subsystem kernel_subsys;
+extern struct kset kernel_subsys;
 /* The global /sys/hypervisor/ subsystem  */
-extern struct subsystem hypervisor_subsys;
+extern struct kset hypervisor_subsys;
 
 /**
  * Helpers for setting the kset of registered objects.
@@ -214,7 +204,7 @@ extern struct subsystem hypervisor_subsys;
  */
 
 #define kobj_set_kset_s(obj,subsys) \
-        (obj)->kobj.kset = &(subsys).kset
+        (obj)->kobj.kset = &(subsys)
 
 /**
  *      kset_set_kset_s(obj,subsys) - set kset for embedded kset.
@@ -228,7 +218,7 @@ extern struct subsystem hypervisor_subsys;
  */
 
 #define kset_set_kset_s(obj,subsys) \
-        (obj)->kset.kobj.kset = &(subsys).kset
+        (obj)->kset.kobj.kset = &(subsys)
 
 /**
  *      subsys_set_kset(obj,subsys) - set kset for subsystem
@@ -241,29 +231,31 @@ extern struct subsystem hypervisor_subsys;
  */
 
 #define subsys_set_kset(obj,_subsys) \
-        (obj)->subsys.kset.kobj.kset = &(_subsys).kset
+        (obj)->subsys.kobj.kset = &(_subsys)
 
-extern void subsystem_init(struct subsystem *);
-extern int __must_check subsystem_register(struct subsystem *);
-extern void subsystem_unregister(struct subsystem *);
+extern void subsystem_init(struct kset *);
+extern int __must_check subsystem_register(struct kset *);
+extern void subsystem_unregister(struct kset *);
 
-static inline struct subsystem * subsys_get(struct subsystem * s)
+static inline struct kset *subsys_get(struct kset *s)
 {
-        return s ? container_of(kset_get(&s->kset),struct subsystem,kset) : NULL;
+        if (s)
+                return kset_get(s);
+        return NULL;
 }
 
-static inline void subsys_put(struct subsystem * s)
+static inline void subsys_put(struct kset *s)
 {
-        kset_put(&s->kset);
+        kset_put(s);
 }
 
 struct subsys_attribute {
         struct attribute attr;
-        ssize_t (*show)(struct subsystem *, char *);
-        ssize_t (*store)(struct subsystem *, const char *, size_t); 
+        ssize_t (*show)(struct kset *, char *);
+        ssize_t (*store)(struct kset *, const char *, size_t);
 };
 
-extern int __must_check subsys_create_file(struct subsystem * ,
+extern int __must_check subsys_create_file(struct kset *,
                                         struct subsys_attribute *);
 
 #if defined(CONFIG_HOTPLUG)
diff --git a/include/linux/module.h b/include/linux/module.h
index 95679eb8571e..f0b0faf42d5d 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -568,7 +568,7 @@ struct device_driver;
 #ifdef CONFIG_SYSFS
 struct module;
 
-extern struct subsystem module_subsys;
+extern struct kset module_subsys;
 
 int mod_sysfs_init(struct module *mod);
 int mod_sysfs_setup(struct module *mod,
diff --git a/include/linux/pci_hotplug.h b/include/linux/pci_hotplug.h
index a675a05c4091..ab4cb6ecd47c 100644
--- a/include/linux/pci_hotplug.h
+++ b/include/linux/pci_hotplug.h
@@ -174,7 +174,7 @@ extern int pci_hp_register		(struct hotplug_slot *slot);
 extern int pci_hp_deregister            (struct hotplug_slot *slot);
 extern int __must_check pci_hp_change_slot_info (struct hotplug_slot *slot,
                                                  struct hotplug_slot_info *info);
-extern struct subsystem pci_hotplug_slots_subsys;
+extern struct kset pci_hotplug_slots_subsys;
 
 /* PCI Setting Record (Type 0) */
 struct hpp_type0 {
diff --git a/kernel/ksysfs.c b/kernel/ksysfs.c
index e0ffe4ab0917..559deca5ed15 100644
--- a/kernel/ksysfs.c
+++ b/kernel/ksysfs.c
@@ -24,18 +24,18 @@ static struct subsys_attribute _name##_attr = \
 
 #if defined(CONFIG_HOTPLUG) && defined(CONFIG_NET)
 /* current uevent sequence number */
-static ssize_t uevent_seqnum_show(struct subsystem *subsys, char *page)
+static ssize_t uevent_seqnum_show(struct kset *kset, char *page)
 {
         return sprintf(page, "%llu\n", (unsigned long long)uevent_seqnum);
 }
 KERNEL_ATTR_RO(uevent_seqnum);
 
 /* uevent helper program, used during early boo */
-static ssize_t uevent_helper_show(struct subsystem *subsys, char *page)
+static ssize_t uevent_helper_show(struct kset *kset, char *page)
 {
         return sprintf(page, "%s\n", uevent_helper);
 }
-static ssize_t uevent_helper_store(struct subsystem *subsys, const char *page, size_t count)
+static ssize_t uevent_helper_store(struct kset *kset, const char *page, size_t count)
 {
         if (count+1 > UEVENT_HELPER_PATH_LEN)
                 return -ENOENT;
@@ -49,13 +49,13 @@ KERNEL_ATTR_RW(uevent_helper);
 #endif
 
 #ifdef CONFIG_KEXEC
-static ssize_t kexec_loaded_show(struct subsystem *subsys, char *page)
+static ssize_t kexec_loaded_show(struct kset *kset, char *page)
 {
         return sprintf(page, "%d\n", !!kexec_image);
 }
 KERNEL_ATTR_RO(kexec_loaded);
 
-static ssize_t kexec_crash_loaded_show(struct subsystem *subsys, char *page)
+static ssize_t kexec_crash_loaded_show(struct kset *kset, char *page)
 {
         return sprintf(page, "%d\n", !!kexec_crash_image);
 }
@@ -85,7 +85,7 @@ static int __init ksysfs_init(void)
 {
         int error = subsystem_register(&kernel_subsys);
         if (!error)
-                error = sysfs_create_group(&kernel_subsys.kset.kobj,
+                error = sysfs_create_group(&kernel_subsys.kobj,
                                            &kernel_attr_group);
 
         return error;
diff --git a/kernel/module.c b/kernel/module.c
index 9da5af668a20..ff982ec435fc 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -45,6 +45,8 @@
 #include <asm/cacheflush.h>
 #include <linux/license.h>
 
+extern int module_sysfs_initialized;
+
 #if 0
 #define DEBUGP printk
 #else
@@ -1117,8 +1119,8 @@ int mod_sysfs_init(struct module *mod)
 {
         int err;
 
-        if (!module_subsys.kset.subsys) {
-                printk(KERN_ERR "%s: module_subsys not initialized\n",
+        if (!module_sysfs_initialized) {
+                printk(KERN_ERR "%s: module sysfs not initialized\n",
                        mod->name);
                 err = -EINVAL;
                 goto out;
@@ -2385,7 +2387,7 @@ void module_add_driver(struct module *mod, struct device_driver *drv)
                 struct kobject *mkobj;
 
                 /* Lookup built-in module entry in /sys/modules */
-                mkobj = kset_find_obj(&module_subsys.kset, drv->mod_name);
+                mkobj = kset_find_obj(&module_subsys, drv->mod_name);
                 if (mkobj) {
                         mk = container_of(mkobj, struct module_kobject, kobj);
                         /* remember our module structure */
diff --git a/kernel/params.c b/kernel/params.c
index 1fc4ac746cd8..312172320b4c 100644
--- a/kernel/params.c
+++ b/kernel/params.c
@@ -691,6 +691,7 @@ static struct kset_uevent_ops module_uevent_ops = {
 };
 
 decl_subsys(module, &module_ktype, &module_uevent_ops);
+int module_sysfs_initialized;
 
 static struct kobj_type module_ktype = {
         .sysfs_ops =    &module_sysfs_ops,
@@ -709,6 +710,7 @@ static int __init param_sysfs_init(void)
                         __FILE__, __LINE__, ret);
                 return ret;
         }
+        module_sysfs_initialized = 1;
 
         param_sysfs_builtin();
 
diff --git a/kernel/power/disk.c b/kernel/power/disk.c
index 02e4fb69111a..8df51c23bba4 100644
--- a/kernel/power/disk.c
+++ b/kernel/power/disk.c
@@ -322,13 +322,13 @@ static const char * const pm_disk_modes[] = {
  *      supports it (as determined from pm_ops->pm_disk_mode).
  */
 
-static ssize_t disk_show(struct subsystem * subsys, char * buf)
+static ssize_t disk_show(struct kset *kset, char *buf)
 {
         return sprintf(buf, "%s\n", pm_disk_modes[pm_disk_mode]);
 }
 
 
-static ssize_t disk_store(struct subsystem * s, const char * buf, size_t n)
+static ssize_t disk_store(struct kset *kset, const char *buf, size_t n)
 {
         int error = 0;
         int i;
@@ -373,13 +373,13 @@ static ssize_t disk_store(struct subsystem * s, const char * buf, size_t n)
 
 power_attr(disk);
 
-static ssize_t resume_show(struct subsystem * subsys, char *buf)
+static ssize_t resume_show(struct kset *kset, char *buf)
 {
         return sprintf(buf,"%d:%d\n", MAJOR(swsusp_resume_device),
                        MINOR(swsusp_resume_device));
 }
 
-static ssize_t resume_store(struct subsystem *subsys, const char *buf, size_t n)
+static ssize_t resume_store(struct kset *kset, const char *buf, size_t n)
 {
         unsigned int maj, min;
         dev_t res;
@@ -405,12 +405,12 @@ static ssize_t resume_store(struct subsystem *subsys, const char *buf, size_t n)
 
 power_attr(resume);
 
-static ssize_t image_size_show(struct subsystem * subsys, char *buf)
+static ssize_t image_size_show(struct kset *kset, char *buf)
 {
         return sprintf(buf, "%lu\n", image_size);
 }
 
-static ssize_t image_size_store(struct subsystem * subsys, const char * buf, size_t n)
+static ssize_t image_size_store(struct kset *kset, const char *buf, size_t n)
 {
         unsigned long size;
 
@@ -439,7 +439,7 @@ static struct attribute_group attr_group = {
 
 static int __init pm_disk_init(void)
 {
-        return sysfs_create_group(&power_subsys.kset.kobj,&attr_group);
+        return sysfs_create_group(&power_subsys.kobj, &attr_group);
 }
 
 core_initcall(pm_disk_init);
diff --git a/kernel/power/main.c b/kernel/power/main.c
index 72419a3b1beb..b21c2a56f960 100644
--- a/kernel/power/main.c
+++ b/kernel/power/main.c
@@ -285,7 +285,7 @@ decl_subsys(power,NULL,NULL);
  *      proper enumerated value, and initiates a suspend transition.
  */
 
-static ssize_t state_show(struct subsystem * subsys, char * buf)
+static ssize_t state_show(struct kset *kset, char *buf)
 {
         int i;
         char * s = buf;
@@ -298,7 +298,7 @@ static ssize_t state_show(struct subsystem * subsys, char * buf)
         return (s - buf);
 }
 
-static ssize_t state_store(struct subsystem * subsys, const char * buf, size_t n)
+static ssize_t state_store(struct kset *kset, const char *buf, size_t n)
 {
         suspend_state_t state = PM_SUSPEND_STANDBY;
         const char * const *s;
@@ -325,13 +325,13 @@ power_attr(state);
 #ifdef CONFIG_PM_TRACE
 int pm_trace_enabled;
 
-static ssize_t pm_trace_show(struct subsystem * subsys, char * buf)
+static ssize_t pm_trace_show(struct kset *kset, char *buf)
 {
         return sprintf(buf, "%d\n", pm_trace_enabled);
 }
 
 static ssize_t
-pm_trace_store(struct subsystem * subsys, const char * buf, size_t n)
+pm_trace_store(struct kset *kset, const char *buf, size_t n)
 {
         int val;
 
@@ -365,7 +365,7 @@ static int __init pm_init(void)
 {
         int error = subsystem_register(&power_subsys);
         if (!error)
-                error = sysfs_create_group(&power_subsys.kset.kobj,&attr_group);
+                error = sysfs_create_group(&power_subsys.kobj,&attr_group);
         return error;
 }
 
diff --git a/kernel/power/power.h b/kernel/power/power.h
index eb461b816bf4..5f842c3efc4b 100644
--- a/kernel/power/power.h
+++ b/kernel/power/power.h
@@ -35,7 +35,7 @@ static struct subsys_attribute _name##_attr = {	\
         .store  = _name##_store,                \
 }
 
-extern struct subsystem power_subsys;
+extern struct kset power_subsys;
 
 /* References to section boundaries */
 extern const void __nosave_begin, __nosave_end;
diff --git a/lib/kobject.c b/lib/kobject.c
index cecf2fbede3e..fc5f3f6e7329 100644
--- a/lib/kobject.c
+++ b/lib/kobject.c
@@ -582,22 +582,10 @@ void kset_init(struct kset * k)
 /**
  *      kset_add - add a kset object to the hierarchy.
  *      @k:     kset.
- *
- *      Simply, this adds the kset's embedded kobject to the 
- *      hierarchy. 
- *      We also try to make sure that the kset's embedded kobject
- *      has a parent before it is added. We only care if the embedded
- *      kobject is not part of a kset itself, since kobject_add()
- *      assigns a parent in that case. 
- *      If that is the case, and the kset has a controlling subsystem,
- *      then we set the kset's parent to be said subsystem. 
  */
 
 int kset_add(struct kset * k)
 {
-        if (!k->kobj.parent && !k->kobj.kset && k->subsys)
-                k->kobj.parent = &k->subsys->kset.kobj;
-
         return kobject_add(&k->kobj);
 }
 
@@ -656,53 +644,28 @@ struct kobject * kset_find_obj(struct kset * kset, const char * name)
         return ret;
 }
 
-
-void subsystem_init(struct subsystem * s)
+void subsystem_init(struct kset *s)
 {
-        kset_init(&s->kset);
+        kset_init(s);
 }
 
-/**
- *      subsystem_register - register a subsystem.
- *      @s:     the subsystem we're registering.
- *
- *      Once we register the subsystem, we want to make sure that 
- *      the kset points back to this subsystem.
- */
-
-int subsystem_register(struct subsystem * s)
+int subsystem_register(struct kset *s)
 {
-        int error;
-
-        if (!s)
-                return -EINVAL;
-
-        subsystem_init(s);
-        pr_debug("subsystem %s: registering\n",s->kset.kobj.name);
-
-        if (!(error = kset_add(&s->kset))) {
-                if (!s->kset.subsys)
-                        s->kset.subsys = s;
-        }
-        return error;
+        return kset_register(s);
 }
 
-void subsystem_unregister(struct subsystem * s)
+void subsystem_unregister(struct kset *s)
 {
-        if (!s)
-                return;
-        pr_debug("subsystem %s: unregistering\n",s->kset.kobj.name);
-        kset_unregister(&s->kset);
+        kset_unregister(s);
 }
 
-
 /**
  *      subsystem_create_file - export sysfs attribute file.
  *      @s:     subsystem.
  *      @a:     subsystem attribute descriptor.
  */
 
-int subsys_create_file(struct subsystem * s, struct subsys_attribute * a)
+int subsys_create_file(struct kset *s, struct subsys_attribute *a)
 {
         int error = 0;
 
@@ -710,28 +673,12 @@ int subsys_create_file(struct subsystem * s, struct subsys_attribute * a)
                 return -EINVAL;
 
         if (subsys_get(s)) {
-                error = sysfs_create_file(&s->kset.kobj,&a->attr);
+                error = sysfs_create_file(&s->kobj, &a->attr);
                 subsys_put(s);
         }
         return error;
 }
 
-
-/**
- *      subsystem_remove_file - remove sysfs attribute file.
- *      @s:     subsystem.
- *      @a:     attribute desciptor.
- */
-#if 0
-void subsys_remove_file(struct subsystem * s, struct subsys_attribute * a)
-{
-        if (subsys_get(s)) {
-                sysfs_remove_file(&s->kset.kobj,&a->attr);
-                subsys_put(s);
-        }
-}
-#endif  /*  0  */
-
 EXPORT_SYMBOL(kobject_init);
 EXPORT_SYMBOL(kobject_register);
 EXPORT_SYMBOL(kobject_unregister);
diff --git a/security/inode.c b/security/inode.c
index d7ecf89fbc74..307211ac7346 100644
--- a/security/inode.c
+++ b/security/inode.c
@@ -321,7 +321,7 @@ static int __init securityfs_init(void)
 {
         int retval;
 
-        kset_set_kset_s(&security_subsys, kernel_subsys);
+        kobj_set_kset_s(&security_subsys, kernel_subsys);
         retval = subsystem_register(&security_subsys);
         if (retval)
                 return retval;