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-rw-r--r--drivers/base/attribute_container.c77
-rw-r--r--drivers/base/base.h11
-rw-r--r--drivers/base/bus.c16
-rw-r--r--drivers/base/class.c640
-rw-r--r--drivers/base/core.c74
-rw-r--r--drivers/base/cpu.c52
-rw-r--r--drivers/base/dd.c14
-rw-r--r--drivers/base/driver.c10
-rw-r--r--drivers/base/firmware_class.c20
-rw-r--r--drivers/base/memory.c33
-rw-r--r--drivers/base/node.c31
-rw-r--r--drivers/base/power/main.c103
-rw-r--r--drivers/base/power/power.h23
-rw-r--r--drivers/base/power/sysfs.c2
-rw-r--r--drivers/base/sys.c18
-rw-r--r--drivers/base/topology.c41
-rw-r--r--drivers/base/transport_class.c14
17 files changed, 276 insertions, 903 deletions
diff --git a/drivers/base/attribute_container.c b/drivers/base/attribute_container.c
index 3b43e8a9f87e..f57652db0a2a 100644
--- a/drivers/base/attribute_container.c
+++ b/drivers/base/attribute_container.c
@@ -27,21 +27,21 @@
struct internal_container {
struct klist_node node;
struct attribute_container *cont;
- struct class_device classdev;
+ struct device classdev;
};
static void internal_container_klist_get(struct klist_node *n)
{
struct internal_container *ic =
container_of(n, struct internal_container, node);
- class_device_get(&ic->classdev);
+ get_device(&ic->classdev);
}
static void internal_container_klist_put(struct klist_node *n)
{
struct internal_container *ic =
container_of(n, struct internal_container, node);
- class_device_put(&ic->classdev);
+ put_device(&ic->classdev);
}
@@ -53,7 +53,7 @@ static void internal_container_klist_put(struct klist_node *n)
* Returns the container associated with this classdev.
*/
struct attribute_container *
-attribute_container_classdev_to_container(struct class_device *classdev)
+attribute_container_classdev_to_container(struct device *classdev)
{
struct internal_container *ic =
container_of(classdev, struct internal_container, classdev);
@@ -110,11 +110,11 @@ attribute_container_unregister(struct attribute_container *cont)
EXPORT_SYMBOL_GPL(attribute_container_unregister);
/* private function used as class release */
-static void attribute_container_release(struct class_device *classdev)
+static void attribute_container_release(struct device *classdev)
{
struct internal_container *ic
= container_of(classdev, struct internal_container, classdev);
- struct device *dev = classdev->dev;
+ struct device *dev = classdev->parent;
kfree(ic);
put_device(dev);
@@ -129,12 +129,12 @@ static void attribute_container_release(struct class_device *classdev)
* This function allocates storage for the class device(s) to be
* attached to dev (one for each matching attribute_container). If no
* fn is provided, the code will simply register the class device via
- * class_device_add. If a function is provided, it is expected to add
+ * device_add. If a function is provided, it is expected to add
* the class device at the appropriate time. One of the things that
* might be necessary is to allocate and initialise the classdev and
* then add it a later time. To do this, call this routine for
* allocation and initialisation and then use
- * attribute_container_device_trigger() to call class_device_add() on
+ * attribute_container_device_trigger() to call device_add() on
* it. Note: after this, the class device contains a reference to dev
* which is not relinquished until the release of the classdev.
*/
@@ -142,7 +142,7 @@ void
attribute_container_add_device(struct device *dev,
int (*fn)(struct attribute_container *,
struct device *,
- struct class_device *))
+ struct device *))
{
struct attribute_container *cont;
@@ -163,11 +163,11 @@ attribute_container_add_device(struct device *dev,
}
ic->cont = cont;
- class_device_initialize(&ic->classdev);
- ic->classdev.dev = get_device(dev);
+ device_initialize(&ic->classdev);
+ ic->classdev.parent = get_device(dev);
ic->classdev.class = cont->class;
- cont->class->release = attribute_container_release;
- strcpy(ic->classdev.class_id, dev->bus_id);
+ cont->class->dev_release = attribute_container_release;
+ strcpy(ic->classdev.bus_id, dev->bus_id);
if (fn)
fn(cont, dev, &ic->classdev);
else
@@ -195,20 +195,19 @@ attribute_container_add_device(struct device *dev,
* @fn: A function to call to remove the device
*
* This routine triggers device removal. If fn is NULL, then it is
- * simply done via class_device_unregister (note that if something
+ * simply done via device_unregister (note that if something
* still has a reference to the classdev, then the memory occupied
* will not be freed until the classdev is released). If you want a
* two phase release: remove from visibility and then delete the
* device, then you should use this routine with a fn that calls
- * class_device_del() and then use
- * attribute_container_device_trigger() to do the final put on the
- * classdev.
+ * device_del() and then use attribute_container_device_trigger()
+ * to do the final put on the classdev.
*/
void
attribute_container_remove_device(struct device *dev,
void (*fn)(struct attribute_container *,
struct device *,
- struct class_device *))
+ struct device *))
{
struct attribute_container *cont;
@@ -224,14 +223,14 @@ attribute_container_remove_device(struct device *dev,
continue;
klist_for_each_entry(ic, &cont->containers, node, &iter) {
- if (dev != ic->classdev.dev)
+ if (dev != ic->classdev.parent)
continue;
klist_del(&ic->node);
if (fn)
fn(cont, dev, &ic->classdev);
else {
attribute_container_remove_attrs(&ic->classdev);
- class_device_unregister(&ic->classdev);
+ device_unregister(&ic->classdev);
}
}
}
@@ -252,7 +251,7 @@ void
attribute_container_device_trigger(struct device *dev,
int (*fn)(struct attribute_container *,
struct device *,
- struct class_device *))
+ struct device *))
{
struct attribute_container *cont;
@@ -270,7 +269,7 @@ attribute_container_device_trigger(struct device *dev,
}
klist_for_each_entry(ic, &cont->containers, node, &iter) {
- if (dev == ic->classdev.dev)
+ if (dev == ic->classdev.parent)
fn(cont, dev, &ic->classdev);
}
}
@@ -313,11 +312,11 @@ attribute_container_trigger(struct device *dev,
* attributes listed in the container
*/
int
-attribute_container_add_attrs(struct class_device *classdev)
+attribute_container_add_attrs(struct device *classdev)
{
struct attribute_container *cont =
attribute_container_classdev_to_container(classdev);
- struct class_device_attribute **attrs = cont->attrs;
+ struct device_attribute **attrs = cont->attrs;
int i, error;
BUG_ON(attrs && cont->grp);
@@ -329,7 +328,7 @@ attribute_container_add_attrs(struct class_device *classdev)
return sysfs_create_group(&classdev->kobj, cont->grp);
for (i = 0; attrs[i]; i++) {
- error = class_device_create_file(classdev, attrs[i]);
+ error = device_create_file(classdev, attrs[i]);
if (error)
return error;
}
@@ -338,18 +337,18 @@ attribute_container_add_attrs(struct class_device *classdev)
}
/**
- * attribute_container_add_class_device - same function as class_device_add
+ * attribute_container_add_class_device - same function as device_add
*
* @classdev: the class device to add
*
- * This performs essentially the same function as class_device_add except for
+ * This performs essentially the same function as device_add except for
* attribute containers, namely add the classdev to the system and then
* create the attribute files
*/
int
-attribute_container_add_class_device(struct class_device *classdev)
+attribute_container_add_class_device(struct device *classdev)
{
- int error = class_device_add(classdev);
+ int error = device_add(classdev);
if (error)
return error;
return attribute_container_add_attrs(classdev);
@@ -364,7 +363,7 @@ attribute_container_add_class_device(struct class_device *classdev)
int
attribute_container_add_class_device_adapter(struct attribute_container *cont,
struct device *dev,
- struct class_device *classdev)
+ struct device *classdev)
{
return attribute_container_add_class_device(classdev);
}
@@ -376,11 +375,11 @@ attribute_container_add_class_device_adapter(struct attribute_container *cont,
*
*/
void
-attribute_container_remove_attrs(struct class_device *classdev)
+attribute_container_remove_attrs(struct device *classdev)
{
struct attribute_container *cont =
attribute_container_classdev_to_container(classdev);
- struct class_device_attribute **attrs = cont->attrs;
+ struct device_attribute **attrs = cont->attrs;
int i;
if (!attrs && !cont->grp)
@@ -392,7 +391,7 @@ attribute_container_remove_attrs(struct class_device *classdev)
}
for (i = 0; attrs[i]; i++)
- class_device_remove_file(classdev, attrs[i]);
+ device_remove_file(classdev, attrs[i]);
}
/**
@@ -401,13 +400,13 @@ attribute_container_remove_attrs(struct class_device *classdev)
* @classdev: the class device
*
* This function simply removes all the attribute files and then calls
- * class_device_del.
+ * device_del.
*/
void
-attribute_container_class_device_del(struct class_device *classdev)
+attribute_container_class_device_del(struct device *classdev)
{
attribute_container_remove_attrs(classdev);
- class_device_del(classdev);
+ device_del(classdev);
}
/**
@@ -419,16 +418,16 @@ attribute_container_class_device_del(struct class_device *classdev)
* Looks up the device in the container's list of class devices and returns
* the corresponding class_device.
*/
-struct class_device *
+struct device *
attribute_container_find_class_device(struct attribute_container *cont,
struct device *dev)
{
- struct class_device *cdev = NULL;
+ struct device *cdev = NULL;
struct internal_container *ic;
struct klist_iter iter;
klist_for_each_entry(ic, &cont->containers, node, &iter) {
- if (ic->classdev.dev == dev) {
+ if (ic->classdev.parent == dev) {
cdev = &ic->classdev;
/* FIXME: must exit iterator then break */
klist_iter_exit(&iter);
diff --git a/drivers/base/base.h b/drivers/base/base.h
index c0444146c09a..2c9ae43e2219 100644
--- a/drivers/base/base.h
+++ b/drivers/base/base.h
@@ -64,17 +64,6 @@ extern void sysdev_shutdown(void);
extern int sysdev_suspend(pm_message_t state);
extern int sysdev_resume(void);
-static inline struct class_device *to_class_dev(struct kobject *obj)
-{
- return container_of(obj, struct class_device, kobj);
-}
-
-static inline
-struct class_device_attribute *to_class_dev_attr(struct attribute *_attr)
-{
- return container_of(_attr, struct class_device_attribute, attr);
-}
-
extern char *make_class_name(const char *name, struct kobject *kobj);
extern int devres_release_all(struct device *dev);
diff --git a/drivers/base/bus.c b/drivers/base/bus.c
index 2d207ad30336..ef522ae55480 100644
--- a/drivers/base/bus.c
+++ b/drivers/base/bus.c
@@ -79,7 +79,7 @@ static void driver_release(struct kobject *kobj)
{
struct driver_private *drv_priv = to_driver(kobj);
- pr_debug("driver: '%s': %s\n", kobject_name(kobj), __FUNCTION__);
+ pr_debug("driver: '%s': %s\n", kobject_name(kobj), __func__);
kfree(drv_priv);
}
@@ -505,14 +505,11 @@ void bus_attach_device(struct device *dev)
int ret = 0;
if (bus) {
- dev->is_registered = 1;
if (bus->p->drivers_autoprobe)
ret = device_attach(dev);
WARN_ON(ret < 0);
if (ret >= 0)
klist_add_tail(&dev->knode_bus, &bus->p->klist_devices);
- else
- dev->is_registered = 0;
}
}
@@ -533,10 +530,9 @@ void bus_remove_device(struct device *dev)
sysfs_remove_link(&dev->bus->p->devices_kset->kobj,
dev->bus_id);
device_remove_attrs(dev->bus, dev);
- if (dev->is_registered) {
- dev->is_registered = 0;
+ if (klist_node_attached(&dev->knode_bus))
klist_del(&dev->knode_bus);
- }
+
pr_debug("bus: '%s': remove device %s\n",
dev->bus->name, dev->bus_id);
device_release_driver(dev);
@@ -682,19 +678,19 @@ int bus_add_driver(struct device_driver *drv)
error = driver_create_file(drv, &driver_attr_uevent);
if (error) {
printk(KERN_ERR "%s: uevent attr (%s) failed\n",
- __FUNCTION__, drv->name);
+ __func__, drv->name);
}
error = driver_add_attrs(bus, drv);
if (error) {
/* How the hell do we get out of this pickle? Give up */
printk(KERN_ERR "%s: driver_add_attrs(%s) failed\n",
- __FUNCTION__, drv->name);
+ __func__, drv->name);
}
error = add_bind_files(drv);
if (error) {
/* Ditto */
printk(KERN_ERR "%s: add_bind_files(%s) failed\n",
- __FUNCTION__, drv->name);
+ __func__, drv->name);
}
kobject_uevent(&priv->kobj, KOBJ_ADD);
diff --git a/drivers/base/class.c b/drivers/base/class.c
index 9d915376c313..0ef00e8d4153 100644
--- a/drivers/base/class.c
+++ b/drivers/base/class.c
@@ -175,31 +175,17 @@ void class_unregister(struct class *cls)
static void class_create_release(struct class *cls)
{
- pr_debug("%s called for %s\n", __FUNCTION__, cls->name);
+ pr_debug("%s called for %s\n", __func__, cls->name);
kfree(cls);
}
-static void class_device_create_release(struct class_device *class_dev)
-{
- pr_debug("%s called for %s\n", __FUNCTION__, class_dev->class_id);
- kfree(class_dev);
-}
-
-/* needed to allow these devices to have parent class devices */
-static int class_device_create_uevent(struct class_device *class_dev,
- struct kobj_uevent_env *env)
-{
- pr_debug("%s called for %s\n", __FUNCTION__, class_dev->class_id);
- return 0;
-}
-
/**
* class_create - create a struct class structure
* @owner: pointer to the module that is to "own" this struct class
* @name: pointer to a string for the name of this class.
*
* This is used to create a struct class pointer that can then be used
- * in calls to class_device_create().
+ * in calls to device_create().
*
* Note, the pointer created here is to be destroyed when finished by
* making a call to class_destroy().
@@ -218,7 +204,6 @@ struct class *class_create(struct module *owner, const char *name)
cls->name = name;
cls->owner = owner;
cls->class_release = class_create_release;
- cls->release = class_device_create_release;
retval = class_register(cls);
if (retval)
@@ -246,113 +231,6 @@ void class_destroy(struct class *cls)
class_unregister(cls);
}
-/* Class Device Stuff */
-
-int class_device_create_file(struct class_device *class_dev,
- const struct class_device_attribute *attr)
-{
- int error = -EINVAL;
- if (class_dev)
- error = sysfs_create_file(&class_dev->kobj, &attr->attr);
- return error;
-}
-
-void class_device_remove_file(struct class_device *class_dev,
- const struct class_device_attribute *attr)
-{
- if (class_dev)
- sysfs_remove_file(&class_dev->kobj, &attr->attr);
-}
-
-int class_device_create_bin_file(struct class_device *class_dev,
- struct bin_attribute *attr)
-{
- int error = -EINVAL;
- if (class_dev)
- error = sysfs_create_bin_file(&class_dev->kobj, attr);
- return error;
-}
-
-void class_device_remove_bin_file(struct class_device *class_dev,
- struct bin_attribute *attr)
-{
- if (class_dev)
- sysfs_remove_bin_file(&class_dev->kobj, attr);
-}
-
-static ssize_t class_device_attr_show(struct kobject *kobj,
- struct attribute *attr, char *buf)
-{
- struct class_device_attribute *class_dev_attr = to_class_dev_attr(attr);
- struct class_device *cd = to_class_dev(kobj);
- ssize_t ret = 0;
-
- if (class_dev_attr->show)
- ret = class_dev_attr->show(cd, buf);
- return ret;
-}
-
-static ssize_t class_device_attr_store(struct kobject *kobj,
- struct attribute *attr,
- const char *buf, size_t count)
-{
- struct class_device_attribute *class_dev_attr = to_class_dev_attr(attr);
- struct class_device *cd = to_class_dev(kobj);
- ssize_t ret = 0;
-
- if (class_dev_attr->store)
- ret = class_dev_attr->store(cd, buf, count);
- return ret;
-}
-
-static struct sysfs_ops class_dev_sysfs_ops = {
- .show = class_device_attr_show,
- .store = class_device_attr_store,
-};
-
-static void class_dev_release(struct kobject *kobj)
-{
- struct class_device *cd = to_class_dev(kobj);
- struct class *cls = cd->class;
-
- pr_debug("device class '%s': release.\n", cd->class_id);
-
- if (cd->release)
- cd->release(cd);
- else if (cls->release)
- cls->release(cd);
- else {
- printk(KERN_ERR "Class Device '%s' does not have a release() "
- "function, it is broken and must be fixed.\n",
- cd->class_id);
- WARN_ON(1);
- }
-}
-
-static struct kobj_type class_device_ktype = {
- .sysfs_ops = &class_dev_sysfs_ops,
- .release = class_dev_release,
-};
-
-static int class_uevent_filter(struct kset *kset, struct kobject *kobj)
-{
- struct kobj_type *ktype = get_ktype(kobj);
-
- if (ktype == &class_device_ktype) {
- struct class_device *class_dev = to_class_dev(kobj);
- if (class_dev->class)
- return 1;
- }
- return 0;
-}
-
-static const char *class_uevent_name(struct kset *kset, struct kobject *kobj)
-{
- struct class_device *class_dev = to_class_dev(kobj);
-
- return class_dev->class->name;
-}
-
#ifdef CONFIG_SYSFS_DEPRECATED
char *make_class_name(const char *name, struct kobject *kobj)
{
@@ -370,445 +248,8 @@ char *make_class_name(const char *name, struct kobject *kobj)
strcat(class_name, kobject_name(kobj));
return class_name;
}
-
-static int make_deprecated_class_device_links(struct class_device *class_dev)
-{
- char *class_name;
- int error;
-
- if (!class_dev->dev)
- return 0;
-
- class_name = make_class_name(class_dev->class->name, &class_dev->kobj);
- if (class_name)
- error = sysfs_create_link(&class_dev->dev->kobj,
- &class_dev->kobj, class_name);
- else
- error = -ENOMEM;
- kfree(class_name);
- return error;
-}
-
-static void remove_deprecated_class_device_links(struct class_device *class_dev)
-{
- char *class_name;
-
- if (!class_dev->dev)
- return;
-
- class_name = make_class_name(class_dev->class->name, &class_dev->kobj);
- if (class_name)
- sysfs_remove_link(&class_dev->dev->kobj, class_name);
- kfree(class_name);
-}
-#else
-static inline int make_deprecated_class_device_links(struct class_device *cd)
-{ return 0; }
-static void remove_deprecated_class_device_links(struct class_device *cd)
-{ }
#endif
-static int class_uevent(struct kset *kset, struct kobject *kobj,
- struct kobj_uevent_env *env)
-{
- struct class_device *class_dev = to_class_dev(kobj);
- struct device *dev = class_dev->dev;
- int retval = 0;
-
- pr_debug("%s - name = %s\n", __FUNCTION__, class_dev->class_id);
-
- if (MAJOR(class_dev->devt)) {
- add_uevent_var(env, "MAJOR=%u", MAJOR(class_dev->devt));
-
- add_uevent_var(env, "MINOR=%u", MINOR(class_dev->devt));
- }
-
- if (dev) {
- const char *path = kobject_get_path(&dev->kobj, GFP_KERNEL);
- if (path) {
- add_uevent_var(env, "PHYSDEVPATH=%s", path);
- kfree(path);
- }
-
- if (dev->bus)
- add_uevent_var(env, "PHYSDEVBUS=%s", dev->bus->name);
-
- if (dev->driver)
- add_uevent_var(env, "PHYSDEVDRIVER=%s",
- dev->driver->name);
- }
-
- if (class_dev->uevent) {
- /* have the class device specific function add its stuff */
- retval = class_dev->uevent(class_dev, env);
- if (retval)
- pr_debug("class_dev->uevent() returned %d\n", retval);
- } else if (class_dev->class->uevent) {
- /* have the class specific function add its stuff */
- retval = class_dev->class->uevent(class_dev, env);
- if (retval)
- pr_debug("class->uevent() returned %d\n", retval);
- }
-
- return retval;
-}
-
-static struct kset_uevent_ops class_uevent_ops = {
- .filter = class_uevent_filter,
- .name = class_uevent_name,
- .uevent = class_uevent,
-};
-
-/*
- * DO NOT copy how this is created, kset_create_and_add() should be
- * called, but this is a hold-over from the old-way and will be deleted
- * entirely soon.
- */
-static struct kset class_obj_subsys = {
- .uevent_ops = &class_uevent_ops,
-};
-
-static int class_device_add_attrs(struct class_device *cd)
-{
- int i;
- int error = 0;
- struct class *cls = cd->class;
-
- if (cls->class_dev_attrs) {
- for (i = 0; attr_name(cls->class_dev_attrs[i]); i++) {
- error = class_device_create_file(cd,
- &cls->class_dev_attrs[i]);
- if (error)
- goto err;
- }
- }
-done:
- return error;
-err:
- while (--i >= 0)
- class_device_remove_file(cd, &cls->class_dev_attrs[i]);
- goto done;
-}
-
-static void class_device_remove_attrs(struct class_device *cd)
-{
- int i;
- struct class *cls = cd->class;
-
- if (cls->class_dev_attrs) {
- for (i = 0; attr_name(cls->class_dev_attrs[i]); i++)
- class_device_remove_file(cd, &cls->class_dev_attrs[i]);
- }
-}
-
-static int class_device_add_groups(struct class_device *cd)
-{
- int i;
- int error = 0;
-
- if (cd->groups) {
- for (i = 0; cd->groups[i]; i++) {
- error = sysfs_create_group(&cd->kobj, cd->groups[i]);
- if (error) {
- while (--i >= 0)
- sysfs_remove_group(&cd->kobj,
- cd->groups[i]);
- goto out;
- }
- }
- }
-out:
- return error;
-}
-
-static void class_device_remove_groups(struct class_device *cd)
-{
- int i;
- if (cd->groups)
- for (i = 0; cd->groups[i]; i++)
- sysfs_remove_group(&cd->kobj, cd->groups[i]);
-}
-
-static ssize_t show_dev(struct class_device *class_dev, char *buf)
-{
- return print_dev_t(buf, class_dev->devt);
-}
-
-static struct class_device_attribute class_devt_attr =
- __ATTR(dev, S_IRUGO, show_dev, NULL);
-
-static ssize_t store_uevent(struct class_device *class_dev,
- const char *buf, size_t count)
-{
- kobject_uevent(&class_dev->kobj, KOBJ_ADD);
- return count;
-}
-
-static struct class_device_attribute class_uevent_attr =
- __ATTR(uevent, S_IWUSR, NULL, store_uevent);
-
-void class_device_initialize(struct class_device *class_dev)
-{
- class_dev->kobj.kset = &class_obj_subsys;
- kobject_init(&class_dev->kobj, &class_device_ktype);
- INIT_LIST_HEAD(&class_dev->node);
-}
-
-int class_device_add(struct class_device *class_dev)
-{
- struct class *parent_class = NULL;
- struct class_device *parent_class_dev = NULL;
- struct class_interface *class_intf;
- int error = -EINVAL;
-
- class_dev = class_device_get(class_dev);
- if (!class_dev)
- return -EINVAL;
-
- if (!strlen(class_dev->class_id))
- goto out1;
-
- parent_class = class_get(class_dev->class);
- if (!parent_class)
- goto out1;
-
- parent_class_dev = class_device_get(class_dev->parent);
-
- pr_debug("CLASS: registering class device: ID = '%s'\n",
- class_dev->class_id);
-
- /* first, register with generic layer. */
- if (parent_class_dev)
- class_dev->kobj.parent = &parent_class_dev->kobj;
- else
- class_dev->kobj.parent = &parent_class->subsys.kobj;
-
- error = kobject_add(&class_dev->kobj, class_dev->kobj.parent,
- "%s", class_dev->class_id);
- if (error)
- goto out2;
-
- /* add the needed attributes to this device */
- error = sysfs_create_link(&class_dev->kobj,
- &parent_class->subsys.kobj, "subsystem");
- if (error)
- goto out3;
-
- error = class_device_create_file(class_dev, &class_uevent_attr);
- if (error)
- goto out3;
-
- if (MAJOR(class_dev->devt)) {
- error = class_device_create_file(class_dev, &class_devt_attr);
- if (error)
- goto out4;
- }
-
- error = class_device_add_attrs(class_dev);
- if (error)
- goto out5;
-
- if (class_dev->dev) {
- error = sysfs_create_link(&class_dev->kobj,
- &class_dev->dev->kobj, "device");
- if (error)
- goto out6;
- }
-
- error = class_device_add_groups(class_dev);
- if (error)
- goto out7;
-
- error = make_deprecated_class_device_links(class_dev);
- if (error)
- goto out8;
-
- kobject_uevent(&class_dev->kobj, KOBJ_ADD);
-
- /* notify any interfaces this device is now here */
- down(&parent_class->sem);
- list_add_tail(&class_dev->node, &parent_class->children);
- list_for_each_entry(class_intf, &parent_class->interfaces, node) {
- if (class_intf->add)
- class_intf->add(class_dev, class_intf);
- }
- up(&parent_class->sem);
-
- goto out1;
-
- out8:
- class_device_remove_groups(class_dev);
- out7:
- if (class_dev->dev)
- sysfs_remove_link(&class_dev->kobj, "device");
- out6:
- class_device_remove_attrs(class_dev);
- out5:
- if (MAJOR(class_dev->devt))
- class_device_remove_file(class_dev, &class_devt_attr);
- out4:
- class_device_remove_file(class_dev, &class_uevent_attr);
- out3:
- kobject_del(&class_dev->kobj);
- out2:
- if (parent_class_dev)
- class_device_put(parent_class_dev);
- class_put(parent_class);
- out1:
- class_device_put(class_dev);
- return error;
-}
-
-int class_device_register(struct class_device *class_dev)
-{
- class_device_initialize(class_dev);
- return class_device_add(class_dev);
-}
-
-/**
- * class_device_create - creates a class device and registers it with sysfs
- * @cls: pointer to the struct class that this device should be registered to.
- * @parent: pointer to the parent struct class_device of this new device, if
- * any.
- * @devt: the dev_t for the char device to be added.
- * @device: a pointer to a struct device that is assiociated with this class
- * device.
- * @fmt: string for the class device's name
- *
- * This function can be used by char device classes. A struct
- * class_device will be created in sysfs, registered to the specified
- * class.
- * A "dev" file will be created, showing the dev_t for the device, if
- * the dev_t is not 0,0.
- * If a pointer to a parent struct class_device is passed in, the newly
- * created struct class_device will be a child of that device in sysfs.
- * The pointer to the struct class_device will be returned from the
- * call. Any further sysfs files that might be required can be created
- * using this pointer.
- *
- * Note: the struct class passed to this function must have previously
- * been created with a call to class_create().
- */
-struct class_device *class_device_create(struct class *cls,
- struct class_device *parent,
- dev_t devt,
- struct device *device,
- const char *fmt, ...)
-{
- va_list args;
- struct class_device *class_dev = NULL;
- int retval = -ENODEV;
-
- if (cls == NULL || IS_ERR(cls))
- goto error;
-
- class_dev = kzalloc(sizeof(*class_dev), GFP_KERNEL);
- if (!class_dev) {
- retval = -ENOMEM;
- goto error;
- }
-
- class_dev->devt = devt;
- class_dev->dev = device;
- class_dev->class = cls;
- class_dev->parent = parent;
- class_dev->release = class_device_create_release;
- class_dev->uevent = class_device_create_uevent;
-
- va_start(args, fmt);
- vsnprintf(class_dev->class_id, BUS_ID_SIZE, fmt, args);
- va_end(args);
- retval = class_device_register(class_dev);
- if (retval)
- goto error;
-
- return class_dev;
-
-error:
- kfree(class_dev);
- return ERR_PTR(retval);
-}
-
-void class_device_del(struct class_device *class_dev)
-{
- struct class *parent_class = class_dev->class;
- struct class_device *parent_device = class_dev->parent;
- struct class_interface *class_intf;
-
- if (parent_class) {
- down(&parent_class->sem);
- list_del_init(&class_dev->node);
- list_for_each_entry(class_intf, &parent_class->interfaces, node)
- if (class_intf->remove)
- class_intf->remove(class_dev, class_intf);
- up(&parent_class->sem);
- }
-
- if (class_dev->dev) {
- remove_deprecated_class_device_links(class_dev);
- sysfs_remove_link(&class_dev->kobj, "device");
- }
- sysfs_remove_link(&class_dev->kobj, "subsystem");
- class_device_remove_file(class_dev, &class_uevent_attr);
- if (MAJOR(class_dev->devt))
- class_device_remove_file(class_dev, &class_devt_attr);
- class_device_remove_attrs(class_dev);
- class_device_remove_groups(class_dev);
-
- kobject_uevent(&class_dev->kobj, KOBJ_REMOVE);
- kobject_del(&class_dev->kobj);
-
- class_device_put(parent_device);
- class_put(parent_class);
-}
-
-void class_device_unregister(struct class_device *class_dev)
-{
- pr_debug("CLASS: Unregistering class device. ID = '%s'\n",
- class_dev->class_id);
- class_device_del(class_dev);
- class_device_put(class_dev);
-}
-
-/**
- * class_device_destroy - removes a class device that was created with class_device_create()
- * @cls: the pointer to the struct class that this device was registered * with.
- * @devt: the dev_t of the device that was previously registered.
- *
- * This call unregisters and cleans up a class device that was created with a
- * call to class_device_create()
- */
-void class_device_destroy(struct class *cls, dev_t devt)
-{
- struct class_device *class_dev = NULL;
- struct class_device *class_dev_tmp;
-
- down(&cls->sem);
- list_for_each_entry(class_dev_tmp, &cls->children, node) {
- if (class_dev_tmp->devt == devt) {
- class_dev = class_dev_tmp;
- break;
- }
- }
- up(&cls->sem);
-
- if (class_dev)
- class_device_unregister(class_dev);
-}
-
-struct class_device *class_device_get(struct class_device *class_dev)
-{
- if (class_dev)
- return to_class_dev(kobject_get(&class_dev->kobj));
- return NULL;
-}
-
-void class_device_put(struct class_device *class_dev)
-{
- if (class_dev)
- kobject_put(&class_dev->kobj);
-}
-
/**
* class_for_each_device - device iterator
* @class: the class we're iterating
@@ -897,56 +338,9 @@ struct device *class_find_device(struct class *class, void *data,
}
EXPORT_SYMBOL_GPL(class_find_device);
-/**
- * class_find_child - device iterator for locating a particular class_device
- * @class: the class we're iterating
- * @data: data for the match function
- * @match: function to check class_device
- *
- * This function returns a reference to a class_device that is 'found' for
- * later use, as determined by the @match callback.
- *
- * The callback should return 0 if the class_device doesn't match and non-zero
- * if it does. If the callback returns non-zero, this function will
- * return to the caller and not iterate over any more class_devices.
- *
- * Note, you will need to drop the reference with class_device_put() after use.
- *
- * We hold class->sem in this function, so it can not be
- * re-acquired in @match, otherwise it will self-deadlocking. For
- * example, calls to add or remove class members would be verboten.
- */
-struct class_device *class_find_child(struct class *class, void *data,
- int (*match)(struct class_device *, void *))
-{
- struct class_device *dev;
- int found = 0;
-
- if (!class)
- return NULL;
-
- down(&class->sem);
- list_for_each_entry(dev, &class->children, node) {
- dev = class_device_get(dev);
- if (dev) {
- if (match(dev, data)) {
- found = 1;
- break;
- } else
- class_device_put(dev);
- } else
- break;
- }
- up(&class->sem);
-
- return found ? dev : NULL;
-}
-EXPORT_SYMBOL_GPL(class_find_child);
-
int class_interface_register(struct class_interface *class_intf)
{
struct class *parent;
- struct class_device *class_dev;
struct device *dev;
if (!class_intf || !class_intf->class)
@@ -958,10 +352,6 @@ int class_interface_register(struct class_interface *class_intf)
down(&parent->sem);
list_add_tail(&class_intf->node, &parent->interfaces);
- if (class_intf->add) {
- list_for_each_entry(class_dev, &parent->children, node)
- class_intf->add(class_dev, class_intf);
- }
if (class_intf->add_dev) {
list_for_each_entry(dev, &parent->devices, node)
class_intf->add_dev(dev, class_intf);
@@ -974,7 +364,6 @@ int class_interface_register(struct class_interface *class_intf)
void class_interface_unregister(struct class_interface *class_intf)
{
struct class *parent = class_intf->class;
- struct class_device *class_dev;
struct device *dev;
if (!parent)
@@ -982,10 +371,6 @@ void class_interface_unregister(struct class_interface *class_intf)
down(&parent->sem);
list_del_init(&class_intf->node);
- if (class_intf->remove) {
- list_for_each_entry(class_dev, &parent->children, node)
- class_intf->remove(class_dev, class_intf);
- }
if (class_intf->remove_dev) {
list_for_each_entry(dev, &parent->devices, node)
class_intf->remove_dev(dev, class_intf);
@@ -1000,13 +385,6 @@ int __init classes_init(void)
class_kset = kset_create_and_add("class", NULL, NULL);
if (!class_kset)
return -ENOMEM;
-
- /* ick, this is ugly, the things we go through to keep from showing up
- * in sysfs... */
- kset_init(&class_obj_subsys);
- kobject_set_name(&class_obj_subsys.kobj, "class_obj");
- if (!class_obj_subsys.kobj.parent)
- class_obj_subsys.kobj.parent = &class_obj_subsys.kobj;
return 0;
}
@@ -1017,19 +395,5 @@ EXPORT_SYMBOL_GPL(class_unregister);
EXPORT_SYMBOL_GPL(class_create);
EXPORT_SYMBOL_GPL(class_destroy);
-EXPORT_SYMBOL_GPL(class_device_register);
-EXPORT_SYMBOL_GPL(class_device_unregister);
-EXPORT_SYMBOL_GPL(class_device_initialize);
-EXPORT_SYMBOL_GPL(class_device_add);
-EXPORT_SYMBOL_GPL(class_device_del);
-EXPORT_SYMBOL_GPL(class_device_get);
-EXPORT_SYMBOL_GPL(class_device_put);
-EXPORT_SYMBOL_GPL(class_device_create);
-EXPORT_SYMBOL_GPL(class_device_destroy);
-EXPORT_SYMBOL_GPL(class_device_create_file);
-EXPORT_SYMBOL_GPL(class_device_remove_file);
-EXPORT_SYMBOL_GPL(class_device_create_bin_file);
-EXPORT_SYMBOL_GPL(class_device_remove_bin_file);
-
EXPORT_SYMBOL_GPL(class_interface_register);
EXPORT_SYMBOL_GPL(class_interface_unregister);
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 24198ad01976..be288b5e4180 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -20,7 +20,7 @@
#include <linux/notifier.h>
#include <linux/genhd.h>
#include <linux/kallsyms.h>
-#include <asm/semaphore.h>
+#include <linux/semaphore.h>
#include "base.h"
#include "power/power.h"
@@ -207,7 +207,7 @@ static int dev_uevent(struct kset *kset, struct kobject *kobj,
retval = dev->bus->uevent(dev, env);
if (retval)
pr_debug("device: '%s': %s: bus uevent() returned %d\n",
- dev->bus_id, __FUNCTION__, retval);
+ dev->bus_id, __func__, retval);
}
/* have the class specific function add its stuff */
@@ -216,7 +216,7 @@ static int dev_uevent(struct kset *kset, struct kobject *kobj,
if (retval)
pr_debug("device: '%s': %s: class uevent() "
"returned %d\n", dev->bus_id,
- __FUNCTION__, retval);
+ __func__, retval);
}
/* have the device type specific fuction add its stuff */
@@ -225,7 +225,7 @@ static int dev_uevent(struct kset *kset, struct kobject *kobj,
if (retval)
pr_debug("device: '%s': %s: dev_type uevent() "
"returned %d\n", dev->bus_id,
- __FUNCTION__, retval);
+ __func__, retval);
}
return retval;
@@ -782,11 +782,15 @@ int device_add(struct device *dev)
goto Done;
}
- pr_debug("device: '%s': %s\n", dev->bus_id, __FUNCTION__);
+ pr_debug("device: '%s': %s\n", dev->bus_id, __func__);
parent = get_device(dev->parent);
setup_parent(dev, parent);
+ /* use parent numa_node */
+ if (parent)
+ set_dev_node(dev, dev_to_node(parent));
+
/* first, register with generic layer. */
error = kobject_add(&dev->kobj, dev->kobj.parent, "%s", dev->bus_id);
if (error)
@@ -817,13 +821,12 @@ int device_add(struct device *dev)
error = device_add_attrs(dev);
if (error)
goto AttrsError;
- error = dpm_sysfs_add(dev);
- if (error)
- goto PMError;
- device_pm_add(dev);
error = bus_add_device(dev);
if (error)
goto BusError;
+ error = device_pm_add(dev);
+ if (error)
+ goto PMError;
kobject_uevent(&dev->kobj, KOBJ_ADD);
bus_attach_device(dev);
if (parent)
@@ -843,9 +846,9 @@ int device_add(struct device *dev)
Done:
put_device(dev);
return error;
- BusError:
- device_pm_remove(dev);
PMError:
+ bus_remove_device(dev);
+ BusError:
if (dev->bus)
blocking_notifier_call_chain(&dev->bus->p->bus_notifier,
BUS_NOTIFY_DEL_DEVICE, dev);
@@ -981,7 +984,7 @@ void device_del(struct device *dev)
*/
void device_unregister(struct device *dev)
{
- pr_debug("device: '%s': %s\n", dev->bus_id, __FUNCTION__);
+ pr_debug("device: '%s': %s\n", dev->bus_id, __func__);
device_del(dev);
put_device(dev);
}
@@ -1076,7 +1079,7 @@ EXPORT_SYMBOL_GPL(device_remove_file);
static void device_create_release(struct device *dev)
{
- pr_debug("device: '%s': %s\n", dev->bus_id, __FUNCTION__);
+ pr_debug("device: '%s': %s\n", dev->bus_id, __func__);
kfree(dev);
}
@@ -1164,35 +1167,6 @@ void device_destroy(struct class *class, dev_t devt)
}
EXPORT_SYMBOL_GPL(device_destroy);
-#ifdef CONFIG_PM_SLEEP
-/**
- * destroy_suspended_device - asks the PM core to remove a suspended device
- * @class: pointer to the struct class that this device was registered with
- * @devt: the dev_t of the device that was previously registered
- *
- * This call notifies the PM core of the necessity to unregister a suspended
- * device created with a call to device_create() (devices cannot be
- * unregistered directly while suspended, since the PM core holds their
- * semaphores at that time).
- *
- * It can only be called within the scope of a system sleep transition. In
- * practice this means it has to be directly or indirectly invoked either by
- * a suspend or resume method, or by the PM core (e.g. via
- * disable_nonboot_cpus() or enable_nonboot_cpus()).
- */
-void destroy_suspended_device(struct class *class, dev_t devt)
-{
- struct device *dev;
-
- dev = class_find_device(class, &devt, __match_devt);
- if (dev) {
- device_pm_schedule_removal(dev);
- put_device(dev);
- }
-}
-EXPORT_SYMBOL_GPL(destroy_suspended_device);
-#endif /* CONFIG_PM_SLEEP */
-
/**
* device_rename - renames a device
* @dev: the pointer to the struct device to be renamed
@@ -1210,7 +1184,7 @@ int device_rename(struct device *dev, char *new_name)
return -EINVAL;
pr_debug("device: '%s': %s: renaming to '%s'\n", dev->bus_id,
- __FUNCTION__, new_name);
+ __func__, new_name);
#ifdef CONFIG_SYSFS_DEPRECATED
if ((dev->class) && (dev->parent))
@@ -1249,7 +1223,7 @@ int device_rename(struct device *dev, char *new_name)
dev->bus_id);
if (error) {
dev_err(dev, "%s: sysfs_create_symlink failed (%d)\n",
- __FUNCTION__, error);
+ __func__, error);
}
}
#endif
@@ -1325,7 +1299,7 @@ int device_move(struct device *dev, struct device *new_parent)
new_parent_kobj = get_device_parent(dev, new_parent);
pr_debug("device: '%s': %s: moving to '%s'\n", dev->bus_id,
- __FUNCTION__, new_parent ? new_parent->bus_id : "<NULL>");
+ __func__, new_parent ? new_parent->bus_id : "<NULL>");
error = kobject_move(&dev->kobj, new_parent_kobj);
if (error) {
cleanup_glue_dir(dev, new_parent_kobj);
@@ -1336,8 +1310,11 @@ int device_move(struct device *dev, struct device *new_parent)
dev->parent = new_parent;
if (old_parent)
klist_remove(&dev->knode_parent);
- if (new_parent)
+ if (new_parent) {
klist_add_tail(&dev->knode_parent, &new_parent->klist_children);
+ set_dev_node(dev, dev_to_node(new_parent));
+ }
+
if (!dev->class)
goto out_put;
error = device_move_class_links(dev, old_parent, new_parent);
@@ -1347,9 +1324,12 @@ int device_move(struct device *dev, struct device *new_parent)
if (!kobject_move(&dev->kobj, &old_parent->kobj)) {
if (new_parent)
klist_remove(&dev->knode_parent);
- if (old_parent)
+ dev->parent = old_parent;
+ if (old_parent) {
klist_add_tail(&dev->knode_parent,
&old_parent->klist_children);
+ set_dev_node(dev, dev_to_node(old_parent));
+ }
}
cleanup_glue_dir(dev, new_parent_kobj);
put_device(new_parent);
diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c
index 499b003f9278..6fe417429977 100644
--- a/drivers/base/cpu.c
+++ b/drivers/base/cpu.c
@@ -28,7 +28,7 @@ static ssize_t show_online(struct sys_device *dev, char *buf)
return sprintf(buf, "%u\n", !!cpu_online(cpu->sysdev.id));
}
-static ssize_t store_online(struct sys_device *dev, const char *buf,
+static ssize_t __ref store_online(struct sys_device *dev, const char *buf,
size_t count)
{
struct cpu *cpu = container_of(dev, struct cpu, sysdev);
@@ -55,7 +55,7 @@ static ssize_t store_online(struct sys_device *dev, const char *buf,
}
static SYSDEV_ATTR(online, 0644, show_online, store_online);
-static void __devinit register_cpu_control(struct cpu *cpu)
+static void __cpuinit register_cpu_control(struct cpu *cpu)
{
sysdev_create_file(&cpu->sysdev, &attr_online);
}
@@ -103,6 +103,51 @@ static SYSDEV_ATTR(crash_notes, 0400, show_crash_notes, NULL);
#endif
/*
+ * Print cpu online, possible, present, and system maps
+ */
+static ssize_t print_cpus_map(char *buf, cpumask_t *map)
+{
+ int n = cpulist_scnprintf(buf, PAGE_SIZE-2, *map);
+
+ buf[n++] = '\n';
+ buf[n] = '\0';
+ return n;
+}
+
+#define print_cpus_func(type) \
+static ssize_t print_cpus_##type(struct sysdev_class *class, char *buf) \
+{ \
+ return print_cpus_map(buf, &cpu_##type##_map); \
+} \
+struct sysdev_class_attribute attr_##type##_map = \
+ _SYSDEV_CLASS_ATTR(type, 0444, print_cpus_##type, NULL)
+
+print_cpus_func(online);
+print_cpus_func(possible);
+print_cpus_func(present);
+
+struct sysdev_class_attribute *cpu_state_attr[] = {
+ &attr_online_map,
+ &attr_possible_map,
+ &attr_present_map,
+};
+
+static int cpu_states_init(void)
+{
+ int i;
+ int err = 0;
+
+ for (i = 0; i < ARRAY_SIZE(cpu_state_attr); i++) {
+ int ret;
+ ret = sysdev_class_create_file(&cpu_sysdev_class,
+ cpu_state_attr[i]);
+ if (!err)
+ err = ret;
+ }
+ return err;
+}
+
+/*
* register_cpu - Setup a sysfs device for a CPU.
* @cpu - cpu->hotpluggable field set to 1 will generate a control file in
* sysfs for this CPU.
@@ -147,6 +192,9 @@ int __init cpu_dev_init(void)
int err;
err = sysdev_class_register(&cpu_sysdev_class);
+ if (!err)
+ err = cpu_states_init();
+
#if defined(CONFIG_SCHED_MC) || defined(CONFIG_SCHED_SMT)
if (!err)
err = sched_create_sysfs_power_savings_entries(&cpu_sysdev_class);
diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index a5cde94bb982..3ac443b2ac08 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -30,12 +30,12 @@ static void driver_bound(struct device *dev)
{
if (klist_node_attached(&dev->knode_driver)) {
printk(KERN_WARNING "%s: device %s already bound\n",
- __FUNCTION__, kobject_name(&dev->kobj));
+ __func__, kobject_name(&dev->kobj));
return;
}
pr_debug("driver: '%s': %s: bound to device '%s'\n", dev->bus_id,
- __FUNCTION__, dev->driver->name);
+ __func__, dev->driver->name);
if (dev->bus)
blocking_notifier_call_chain(&dev->bus->p->bus_notifier,
@@ -104,13 +104,13 @@ static int really_probe(struct device *dev, struct device_driver *drv)
atomic_inc(&probe_count);
pr_debug("bus: '%s': %s: probing driver %s with device %s\n",
- drv->bus->name, __FUNCTION__, drv->name, dev->bus_id);
+ drv->bus->name, __func__, drv->name, dev->bus_id);
WARN_ON(!list_empty(&dev->devres_head));
dev->driver = drv;
if (driver_sysfs_add(dev)) {
printk(KERN_ERR "%s: driver_sysfs_add(%s) failed\n",
- __FUNCTION__, dev->bus_id);
+ __func__, dev->bus_id);
goto probe_failed;
}
@@ -127,7 +127,7 @@ static int really_probe(struct device *dev, struct device_driver *drv)
driver_bound(dev);
ret = 1;
pr_debug("bus: '%s': %s: bound device %s to driver %s\n",
- drv->bus->name, __FUNCTION__, dev->bus_id, drv->name);
+ drv->bus->name, __func__, dev->bus_id, drv->name);
goto done;
probe_failed:
@@ -160,7 +160,7 @@ done:
*/
int driver_probe_done(void)
{
- pr_debug("%s: probe_count = %d\n", __FUNCTION__,
+ pr_debug("%s: probe_count = %d\n", __func__,
atomic_read(&probe_count));
if (atomic_read(&probe_count))
return -EBUSY;
@@ -194,7 +194,7 @@ int driver_probe_device(struct device_driver *drv, struct device *dev)
goto done;
pr_debug("bus: '%s': %s: matched device %s with driver %s\n",
- drv->bus->name, __FUNCTION__, dev->bus_id, drv->name);
+ drv->bus->name, __func__, dev->bus_id, drv->name);
ret = really_probe(dev, drv);
diff --git a/drivers/base/driver.c b/drivers/base/driver.c
index 9a6537f14401..2ef5acf4368b 100644
--- a/drivers/base/driver.c
+++ b/drivers/base/driver.c
@@ -217,12 +217,22 @@ static void driver_remove_groups(struct device_driver *drv,
int driver_register(struct device_driver *drv)
{
int ret;
+ struct device_driver *other;
if ((drv->bus->probe && drv->probe) ||
(drv->bus->remove && drv->remove) ||
(drv->bus->shutdown && drv->shutdown))
printk(KERN_WARNING "Driver '%s' needs updating - please use "
"bus_type methods\n", drv->name);
+
+ other = driver_find(drv->name, drv->bus);
+ if (other) {
+ put_driver(other);
+ printk(KERN_ERR "Error: Driver '%s' is already registered, "
+ "aborting...\n", drv->name);
+ return -EEXIST;
+ }
+
ret = bus_add_driver(drv);
if (ret)
return ret;
diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index 4a1b9bfc5471..9fd4a8534146 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -156,7 +156,7 @@ static ssize_t firmware_loading_store(struct device *dev,
}
/* fallthrough */
default:
- printk(KERN_ERR "%s: unexpected value (%d)\n", __FUNCTION__,
+ printk(KERN_ERR "%s: unexpected value (%d)\n", __func__,
loading);
/* fallthrough */
case -1:
@@ -209,7 +209,7 @@ fw_realloc_buffer(struct firmware_priv *fw_priv, int min_size)
new_size = ALIGN(min_size, PAGE_SIZE);
new_data = vmalloc(new_size);
if (!new_data) {
- printk(KERN_ERR "%s: unable to alloc buffer\n", __FUNCTION__);
+ printk(KERN_ERR "%s: unable to alloc buffer\n", __func__);
/* Make sure that we don't keep incomplete data */
fw_load_abort(fw_priv);
return -ENOMEM;
@@ -307,7 +307,7 @@ static int fw_register_device(struct device **dev_p, const char *fw_name,
*dev_p = NULL;
if (!fw_priv || !f_dev) {
- printk(KERN_ERR "%s: kmalloc failed\n", __FUNCTION__);
+ printk(KERN_ERR "%s: kmalloc failed\n", __func__);
retval = -ENOMEM;
goto error_kfree;
}
@@ -328,7 +328,7 @@ static int fw_register_device(struct device **dev_p, const char *fw_name,
retval = device_register(f_dev);
if (retval) {
printk(KERN_ERR "%s: device_register failed\n",
- __FUNCTION__);
+ __func__);
goto error_kfree;
}
*dev_p = f_dev;
@@ -362,14 +362,14 @@ static int fw_setup_device(struct firmware *fw, struct device **dev_p,
retval = sysfs_create_bin_file(&f_dev->kobj, &fw_priv->attr_data);
if (retval) {
printk(KERN_ERR "%s: sysfs_create_bin_file failed\n",
- __FUNCTION__);
+ __func__);
goto error_unreg;
}
retval = device_create_file(f_dev, &dev_attr_loading);
if (retval) {
printk(KERN_ERR "%s: device_create_file failed\n",
- __FUNCTION__);
+ __func__);
goto error_unreg;
}
@@ -396,10 +396,12 @@ _request_firmware(const struct firmware **firmware_p, const char *name,
if (!firmware_p)
return -EINVAL;
+ printk(KERN_INFO "firmware: requesting %s\n", name);
+
*firmware_p = firmware = kzalloc(sizeof(*firmware), GFP_KERNEL);
if (!firmware) {
printk(KERN_ERR "%s: kmalloc(struct firmware) failed\n",
- __FUNCTION__);
+ __func__);
retval = -ENOMEM;
goto out;
}
@@ -570,13 +572,13 @@ firmware_class_init(void)
int error;
error = class_register(&firmware_class);
if (error) {
- printk(KERN_ERR "%s: class_register failed\n", __FUNCTION__);
+ printk(KERN_ERR "%s: class_register failed\n", __func__);
return error;
}
error = class_create_file(&firmware_class, &class_attr_timeout);
if (error) {
printk(KERN_ERR "%s: class_create_file failed\n",
- __FUNCTION__);
+ __func__);
class_unregister(&firmware_class);
}
return error;
diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index 7ae413fdd5fc..8ce6de5a7e28 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -20,6 +20,7 @@
#include <linux/kobject.h>
#include <linux/memory_hotplug.h>
#include <linux/mm.h>
+#include <linux/mutex.h>
#include <asm/atomic.h>
#include <asm/uaccess.h>
@@ -61,8 +62,8 @@ void unregister_memory_notifier(struct notifier_block *nb)
/*
* register_memory - Setup a sysfs device for a memory block
*/
-int register_memory(struct memory_block *memory, struct mem_section *section,
- struct node *root)
+static
+int register_memory(struct memory_block *memory, struct mem_section *section)
{
int error;
@@ -70,26 +71,18 @@ int register_memory(struct memory_block *memory, struct mem_section *section,
memory->sysdev.id = __section_nr(section);
error = sysdev_register(&memory->sysdev);
-
- if (root && !error)
- error = sysfs_create_link(&root->sysdev.kobj,
- &memory->sysdev.kobj,
- kobject_name(&memory->sysdev.kobj));
-
return error;
}
static void
-unregister_memory(struct memory_block *memory, struct mem_section *section,
- struct node *root)
+unregister_memory(struct memory_block *memory, struct mem_section *section)
{
BUG_ON(memory->sysdev.cls != &memory_sysdev_class);
BUG_ON(memory->sysdev.id != __section_nr(section));
+ /* drop the ref. we got in remove_memory_block() */
+ kobject_put(&memory->sysdev.kobj);
sysdev_unregister(&memory->sysdev);
- if (root)
- sysfs_remove_link(&root->sysdev.kobj,
- kobject_name(&memory->sysdev.kobj));
}
/*
@@ -193,7 +186,7 @@ memory_block_action(struct memory_block *mem, unsigned long action)
break;
default:
printk(KERN_WARNING "%s(%p, %ld) unknown action: %ld\n",
- __FUNCTION__, mem, action, action);
+ __func__, mem, action, action);
WARN_ON(1);
ret = -EINVAL;
}
@@ -205,7 +198,7 @@ static int memory_block_change_state(struct memory_block *mem,
unsigned long to_state, unsigned long from_state_req)
{
int ret = 0;
- down(&mem->state_sem);
+ mutex_lock(&mem->state_mutex);
if (mem->state != from_state_req) {
ret = -EINVAL;
@@ -217,7 +210,7 @@ static int memory_block_change_state(struct memory_block *mem,
mem->state = to_state;
out:
- up(&mem->state_sem);
+ mutex_unlock(&mem->state_mutex);
return ret;
}
@@ -341,10 +334,10 @@ static int add_memory_block(unsigned long node_id, struct mem_section *section,
mem->phys_index = __section_nr(section);
mem->state = state;
- init_MUTEX(&mem->state_sem);
+ mutex_init(&mem->state_mutex);
mem->phys_device = phys_device;
- ret = register_memory(mem, section, NULL);
+ ret = register_memory(mem, section);
if (!ret)
ret = mem_create_simple_file(mem, phys_index);
if (!ret)
@@ -395,7 +388,7 @@ int remove_memory_block(unsigned long node_id, struct mem_section *section,
mem_remove_simple_file(mem, phys_index);
mem_remove_simple_file(mem, state);
mem_remove_simple_file(mem, phys_device);
- unregister_memory(mem, section, NULL);
+ unregister_memory(mem, section);
return 0;
}
@@ -451,6 +444,6 @@ int __init memory_dev_init(void)
ret = err;
out:
if (ret)
- printk(KERN_ERR "%s() failed: %d\n", __FUNCTION__, ret);
+ printk(KERN_ERR "%s() failed: %d\n", __func__, ret);
return ret;
}
diff --git a/drivers/base/node.c b/drivers/base/node.c
index e59861f18ce5..39f3d1b3a213 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -19,21 +19,34 @@ static struct sysdev_class node_class = {
};
-static ssize_t node_read_cpumap(struct sys_device * dev, char * buf)
+static ssize_t node_read_cpumap(struct sys_device *dev, int type, char *buf)
{
struct node *node_dev = to_node(dev);
- cpumask_t mask = node_to_cpumask(node_dev->sysdev.id);
+ node_to_cpumask_ptr(mask, node_dev->sysdev.id);
int len;
- /* 2004/06/03: buf currently PAGE_SIZE, need > 1 char per 4 bits. */
- BUILD_BUG_ON(MAX_NUMNODES/4 > PAGE_SIZE/2);
+ /* 2008/04/07: buf currently PAGE_SIZE, need 9 chars per 32 bits. */
+ BUILD_BUG_ON((NR_CPUS/32 * 9) > (PAGE_SIZE-1));
- len = cpumask_scnprintf(buf, PAGE_SIZE-1, mask);
- len += sprintf(buf + len, "\n");
+ len = type?
+ cpulist_scnprintf(buf, PAGE_SIZE-2, *mask):
+ cpumask_scnprintf(buf, PAGE_SIZE-2, *mask);
+ buf[len++] = '\n';
+ buf[len] = '\0';
return len;
}
-static SYSDEV_ATTR(cpumap, S_IRUGO, node_read_cpumap, NULL);
+static inline ssize_t node_read_cpumask(struct sys_device *dev, char *buf)
+{
+ return node_read_cpumap(dev, 0, buf);
+}
+static inline ssize_t node_read_cpulist(struct sys_device *dev, char *buf)
+{
+ return node_read_cpumap(dev, 1, buf);
+}
+
+static SYSDEV_ATTR(cpumap, S_IRUGO, node_read_cpumask, NULL);
+static SYSDEV_ATTR(cpulist, S_IRUGO, node_read_cpulist, NULL);
#define K(x) ((x) << (PAGE_SHIFT - 10))
static ssize_t node_read_meminfo(struct sys_device * dev, char * buf)
@@ -64,6 +77,7 @@ static ssize_t node_read_meminfo(struct sys_device * dev, char * buf)
"Node %d PageTables: %8lu kB\n"
"Node %d NFS_Unstable: %8lu kB\n"
"Node %d Bounce: %8lu kB\n"
+ "Node %d WritebackTmp: %8lu kB\n"
"Node %d Slab: %8lu kB\n"
"Node %d SReclaimable: %8lu kB\n"
"Node %d SUnreclaim: %8lu kB\n",
@@ -86,6 +100,7 @@ static ssize_t node_read_meminfo(struct sys_device * dev, char * buf)
nid, K(node_page_state(nid, NR_PAGETABLE)),
nid, K(node_page_state(nid, NR_UNSTABLE_NFS)),
nid, K(node_page_state(nid, NR_BOUNCE)),
+ nid, K(node_page_state(nid, NR_WRITEBACK_TEMP)),
nid, K(node_page_state(nid, NR_SLAB_RECLAIMABLE) +
node_page_state(nid, NR_SLAB_UNRECLAIMABLE)),
nid, K(node_page_state(nid, NR_SLAB_RECLAIMABLE)),
@@ -149,6 +164,7 @@ int register_node(struct node *node, int num, struct node *parent)
if (!error){
sysdev_create_file(&node->sysdev, &attr_cpumap);
+ sysdev_create_file(&node->sysdev, &attr_cpulist);
sysdev_create_file(&node->sysdev, &attr_meminfo);
sysdev_create_file(&node->sysdev, &attr_numastat);
sysdev_create_file(&node->sysdev, &attr_distance);
@@ -166,6 +182,7 @@ int register_node(struct node *node, int num, struct node *parent)
void unregister_node(struct node *node)
{
sysdev_remove_file(&node->sysdev, &attr_cpumap);
+ sysdev_remove_file(&node->sysdev, &attr_cpulist);
sysdev_remove_file(&node->sysdev, &attr_meminfo);
sysdev_remove_file(&node->sysdev, &attr_numastat);
sysdev_remove_file(&node->sysdev, &attr_distance);
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index d887d5cb5bef..7b76fd3b93a4 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -50,26 +50,37 @@
LIST_HEAD(dpm_active);
static LIST_HEAD(dpm_off);
static LIST_HEAD(dpm_off_irq);
-static LIST_HEAD(dpm_destroy);
static DEFINE_MUTEX(dpm_list_mtx);
-static DECLARE_RWSEM(pm_sleep_rwsem);
-
-int (*platform_enable_wakeup)(struct device *dev, int is_on);
+/* 'true' if all devices have been suspended, protected by dpm_list_mtx */
+static bool all_sleeping;
/**
* device_pm_add - add a device to the list of active devices
* @dev: Device to be added to the list
*/
-void device_pm_add(struct device *dev)
+int device_pm_add(struct device *dev)
{
+ int error;
+
pr_debug("PM: Adding info for %s:%s\n",
dev->bus ? dev->bus->name : "No Bus",
kobject_name(&dev->kobj));
mutex_lock(&dpm_list_mtx);
- list_add_tail(&dev->power.entry, &dpm_active);
+ if ((dev->parent && dev->parent->power.sleeping) || all_sleeping) {
+ if (dev->parent->power.sleeping)
+ dev_warn(dev, "parent %s is sleeping\n",
+ dev->parent->bus_id);
+ else
+ dev_warn(dev, "all devices are sleeping\n");
+ WARN_ON(true);
+ }
+ error = dpm_sysfs_add(dev);
+ if (!error)
+ list_add_tail(&dev->power.entry, &dpm_active);
mutex_unlock(&dpm_list_mtx);
+ return error;
}
/**
@@ -89,50 +100,6 @@ void device_pm_remove(struct device *dev)
mutex_unlock(&dpm_list_mtx);
}
-/**
- * device_pm_schedule_removal - schedule the removal of a suspended device
- * @dev: Device to destroy
- *
- * Moves the device to the dpm_destroy list for further processing by
- * unregister_dropped_devices().
- */
-void device_pm_schedule_removal(struct device *dev)
-{
- pr_debug("PM: Preparing for removal: %s:%s\n",
- dev->bus ? dev->bus->name : "No Bus",
- kobject_name(&dev->kobj));
- mutex_lock(&dpm_list_mtx);
- list_move_tail(&dev->power.entry, &dpm_destroy);
- mutex_unlock(&dpm_list_mtx);
-}
-EXPORT_SYMBOL_GPL(device_pm_schedule_removal);
-
-/**
- * pm_sleep_lock - mutual exclusion for registration and suspend
- *
- * Returns 0 if no suspend is underway and device registration
- * may proceed, otherwise -EBUSY.
- */
-int pm_sleep_lock(void)
-{
- if (down_read_trylock(&pm_sleep_rwsem))
- return 0;
-
- return -EBUSY;
-}
-
-/**
- * pm_sleep_unlock - mutual exclusion for registration and suspend
- *
- * This routine undoes the effect of device_pm_add_lock
- * when a device's registration is complete.
- */
-void pm_sleep_unlock(void)
-{
- up_read(&pm_sleep_rwsem);
-}
-
-
/*------------------------- Resume routines -------------------------*/
/**
@@ -242,11 +209,13 @@ static int resume_device(struct device *dev)
static void dpm_resume(void)
{
mutex_lock(&dpm_list_mtx);
+ all_sleeping = false;
while(!list_empty(&dpm_off)) {
struct list_head *entry = dpm_off.next;
struct device *dev = to_device(entry);
list_move_tail(entry, &dpm_active);
+ dev->power.sleeping = false;
mutex_unlock(&dpm_list_mtx);
resume_device(dev);
mutex_lock(&dpm_list_mtx);
@@ -255,26 +224,6 @@ static void dpm_resume(void)
}
/**
- * unregister_dropped_devices - Unregister devices scheduled for removal
- *
- * Unregister all devices on the dpm_destroy list.
- */
-static void unregister_dropped_devices(void)
-{
- mutex_lock(&dpm_list_mtx);
- while (!list_empty(&dpm_destroy)) {
- struct list_head *entry = dpm_destroy.next;
- struct device *dev = to_device(entry);
-
- mutex_unlock(&dpm_list_mtx);
- /* This also removes the device from the list */
- device_unregister(dev);
- mutex_lock(&dpm_list_mtx);
- }
- mutex_unlock(&dpm_list_mtx);
-}
-
-/**
* device_resume - Restore state of each device in system.
*
* Resume all the devices, unlock them all, and allow new
@@ -284,8 +233,6 @@ void device_resume(void)
{
might_sleep();
dpm_resume();
- unregister_dropped_devices();
- up_write(&pm_sleep_rwsem);
}
EXPORT_SYMBOL_GPL(device_resume);
@@ -377,11 +324,6 @@ static int suspend_device(struct device *dev, pm_message_t state)
down(&dev->sem);
- if (dev->power.power_state.event) {
- dev_dbg(dev, "PM: suspend %d-->%d\n",
- dev->power.power_state.event, state.event);
- }
-
if (dev->class && dev->class->suspend) {
suspend_device_dbg(dev, state, "class ");
error = dev->class->suspend(dev, state);
@@ -426,6 +368,9 @@ static int dpm_suspend(pm_message_t state)
struct list_head *entry = dpm_active.prev;
struct device *dev = to_device(entry);
+ WARN_ON(dev->parent && dev->parent->power.sleeping);
+
+ dev->power.sleeping = true;
mutex_unlock(&dpm_list_mtx);
error = suspend_device(dev, state);
mutex_lock(&dpm_list_mtx);
@@ -437,11 +382,14 @@ static int dpm_suspend(pm_message_t state)
(error == -EAGAIN ?
" (please convert to suspend_late)" :
""));
+ dev->power.sleeping = false;
break;
}
if (!list_empty(&dev->power.entry))
list_move(&dev->power.entry, &dpm_off);
}
+ if (!error)
+ all_sleeping = true;
mutex_unlock(&dpm_list_mtx);
return error;
@@ -459,7 +407,6 @@ int device_suspend(pm_message_t state)
int error;
might_sleep();
- down_write(&pm_sleep_rwsem);
error = dpm_suspend(state);
if (error)
device_resume();
diff --git a/drivers/base/power/power.h b/drivers/base/power/power.h
index e32d3bdb92c1..a6894f2a4b99 100644
--- a/drivers/base/power/power.h
+++ b/drivers/base/power/power.h
@@ -11,30 +11,13 @@ static inline struct device *to_device(struct list_head *entry)
return container_of(entry, struct device, power.entry);
}
-extern void device_pm_add(struct device *);
+extern int device_pm_add(struct device *);
extern void device_pm_remove(struct device *);
-extern int pm_sleep_lock(void);
-extern void pm_sleep_unlock(void);
#else /* CONFIG_PM_SLEEP */
-
-static inline void device_pm_add(struct device *dev)
-{
-}
-
-static inline void device_pm_remove(struct device *dev)
-{
-}
-
-static inline int pm_sleep_lock(void)
-{
- return 0;
-}
-
-static inline void pm_sleep_unlock(void)
-{
-}
+static inline int device_pm_add(struct device *dev) { return 0; }
+static inline void device_pm_remove(struct device *dev) {}
#endif
diff --git a/drivers/base/power/sysfs.c b/drivers/base/power/sysfs.c
index f2ed179cd695..d11f74b038db 100644
--- a/drivers/base/power/sysfs.c
+++ b/drivers/base/power/sysfs.c
@@ -6,6 +6,8 @@
#include <linux/string.h>
#include "power.h"
+int (*platform_enable_wakeup)(struct device *dev, int is_on);
+
/*
* wakeup - Report/change current wakeup option for device
diff --git a/drivers/base/sys.c b/drivers/base/sys.c
index 8e13fd942163..4fbb56bcb1ee 100644
--- a/drivers/base/sys.c
+++ b/drivers/base/sys.c
@@ -167,6 +167,22 @@ int sysdev_driver_register(struct sysdev_class *cls, struct sysdev_driver *drv)
{
int err = 0;
+ if (!cls) {
+ printk(KERN_WARNING "sysdev: invalid class passed to "
+ "sysdev_driver_register!\n");
+ WARN_ON(1);
+ return -EINVAL;
+ }
+
+ /* Check whether this driver has already been added to a class. */
+ if ((drv->entry.next != drv->entry.prev) ||
+ (drv->entry.next != NULL)) {
+ printk(KERN_WARNING "sysdev: class %s: driver (%p) has already"
+ " been registered to a class, something is wrong, but "
+ "will forge on!\n", cls->name, drv);
+ WARN_ON(1);
+ }
+
mutex_lock(&sysdev_drivers_lock);
if (cls && kset_get(&cls->kset)) {
list_add_tail(&drv->entry, &cls->drivers);
@@ -179,7 +195,7 @@ int sysdev_driver_register(struct sysdev_class *cls, struct sysdev_driver *drv)
}
} else {
err = -EINVAL;
- printk(KERN_ERR "%s: invalid device class\n", __FUNCTION__);
+ printk(KERN_ERR "%s: invalid device class\n", __func__);
WARN_ON(1);
}
mutex_unlock(&sysdev_drivers_lock);
diff --git a/drivers/base/topology.c b/drivers/base/topology.c
index e1d3ad4db2f0..fdf4044d2e74 100644
--- a/drivers/base/topology.c
+++ b/drivers/base/topology.c
@@ -40,15 +40,38 @@ static ssize_t show_##name(struct sys_device *dev, char *buf) \
return sprintf(buf, "%d\n", topology_##name(cpu)); \
}
-#define define_siblings_show_func(name) \
-static ssize_t show_##name(struct sys_device *dev, char *buf) \
+static ssize_t show_cpumap(int type, cpumask_t *mask, char *buf)
+{
+ ptrdiff_t len = PTR_ALIGN(buf + PAGE_SIZE - 1, PAGE_SIZE) - buf;
+ int n = 0;
+
+ if (len > 1) {
+ n = type?
+ cpulist_scnprintf(buf, len-2, *mask):
+ cpumask_scnprintf(buf, len-2, *mask);
+ buf[n++] = '\n';
+ buf[n] = '\0';
+ }
+ return n;
+}
+
+#define define_siblings_show_map(name) \
+static inline ssize_t show_##name(struct sys_device *dev, char *buf) \
{ \
- ssize_t len = -1; \
unsigned int cpu = dev->id; \
- len = cpumask_scnprintf(buf, NR_CPUS+1, topology_##name(cpu)); \
- return (len + sprintf(buf + len, "\n")); \
+ return show_cpumap(0, &(topology_##name(cpu)), buf); \
}
+#define define_siblings_show_list(name) \
+static inline ssize_t show_##name##_list(struct sys_device *dev, char *buf) \
+{ \
+ unsigned int cpu = dev->id; \
+ return show_cpumap(1, &(topology_##name(cpu)), buf); \
+}
+
+#define define_siblings_show_func(name) \
+ define_siblings_show_map(name); define_siblings_show_list(name)
+
#ifdef topology_physical_package_id
define_id_show_func(physical_package_id);
define_one_ro(physical_package_id);
@@ -68,7 +91,9 @@ define_one_ro(core_id);
#ifdef topology_thread_siblings
define_siblings_show_func(thread_siblings);
define_one_ro(thread_siblings);
-#define ref_thread_siblings_attr &attr_thread_siblings.attr,
+define_one_ro(thread_siblings_list);
+#define ref_thread_siblings_attr \
+ &attr_thread_siblings.attr, &attr_thread_siblings_list.attr,
#else
#define ref_thread_siblings_attr
#endif
@@ -76,7 +101,9 @@ define_one_ro(thread_siblings);
#ifdef topology_core_siblings
define_siblings_show_func(core_siblings);
define_one_ro(core_siblings);
-#define ref_core_siblings_attr &attr_core_siblings.attr,
+define_one_ro(core_siblings_list);
+#define ref_core_siblings_attr \
+ &attr_core_siblings.attr, &attr_core_siblings_list.attr,
#else
#define ref_core_siblings_attr
#endif
diff --git a/drivers/base/transport_class.c b/drivers/base/transport_class.c
index cabd0edf2156..84997efdb23d 100644
--- a/drivers/base/transport_class.c
+++ b/drivers/base/transport_class.c
@@ -66,7 +66,7 @@ EXPORT_SYMBOL_GPL(transport_class_unregister);
static int anon_transport_dummy_function(struct transport_container *tc,
struct device *dev,
- struct class_device *cdev)
+ struct device *cdev)
{
/* do nothing */
return 0;
@@ -115,7 +115,7 @@ EXPORT_SYMBOL_GPL(anon_transport_class_unregister);
static int transport_setup_classdev(struct attribute_container *cont,
struct device *dev,
- struct class_device *classdev)
+ struct device *classdev)
{
struct transport_class *tclass = class_to_transport_class(cont->class);
struct transport_container *tcont = attribute_container_to_transport_container(cont);
@@ -149,7 +149,7 @@ EXPORT_SYMBOL_GPL(transport_setup_device);
static int transport_add_class_device(struct attribute_container *cont,
struct device *dev,
- struct class_device *classdev)
+ struct device *classdev)
{
int error = attribute_container_add_class_device(classdev);
struct transport_container *tcont =
@@ -181,7 +181,7 @@ EXPORT_SYMBOL_GPL(transport_add_device);
static int transport_configure(struct attribute_container *cont,
struct device *dev,
- struct class_device *cdev)
+ struct device *cdev)
{
struct transport_class *tclass = class_to_transport_class(cont->class);
struct transport_container *tcont = attribute_container_to_transport_container(cont);
@@ -212,7 +212,7 @@ EXPORT_SYMBOL_GPL(transport_configure_device);
static int transport_remove_classdev(struct attribute_container *cont,
struct device *dev,
- struct class_device *classdev)
+ struct device *classdev)
{
struct transport_container *tcont =
attribute_container_to_transport_container(cont);
@@ -251,12 +251,12 @@ EXPORT_SYMBOL_GPL(transport_remove_device);
static void transport_destroy_classdev(struct attribute_container *cont,
struct device *dev,
- struct class_device *classdev)
+ struct device *classdev)
{
struct transport_class *tclass = class_to_transport_class(cont->class);
if (tclass->remove != anon_transport_dummy_function)
- class_device_put(classdev);
+ put_device(classdev);
}
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-25 06:42:58 +0100