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-rw-r--r--drivers/base/sys.c383
1 files changed, 0 insertions, 383 deletions
diff --git a/drivers/base/sys.c b/drivers/base/sys.c
deleted file mode 100644
index 409f5ce78829..000000000000
--- a/drivers/base/sys.c
+++ /dev/null
@@ -1,383 +0,0 @@
-/*
- * sys.c - pseudo-bus for system 'devices' (cpus, PICs, timers, etc)
- *
- * Copyright (c) 2002-3 Patrick Mochel
- *               2002-3 Open Source Development Lab
- *
- * This file is released under the GPLv2
- *
- * This exports a 'system' bus type.
- * By default, a 'sys' bus gets added to the root of the system. There will
- * always be core system devices. Devices can use sysdev_register() to
- * add themselves as children of the system bus.
- */
-
-#include <linux/sysdev.h>
-#include <linux/err.h>
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/string.h>
-#include <linux/pm.h>
-#include <linux/device.h>
-#include <linux/mutex.h>
-#include <linux/interrupt.h>
-
-#include "base.h"
-
-#define to_sysdev(k) container_of(k, struct sys_device, kobj)
-#define to_sysdev_attr(a) container_of(a, struct sysdev_attribute, attr)
-
-
-static ssize_t
-sysdev_show(struct kobject *kobj, struct attribute *attr, char *buffer)
-{
-	struct sys_device *sysdev = to_sysdev(kobj);
-	struct sysdev_attribute *sysdev_attr = to_sysdev_attr(attr);
-
-	if (sysdev_attr->show)
-		return sysdev_attr->show(sysdev, sysdev_attr, buffer);
-	return -EIO;
-}
-
-
-static ssize_t
-sysdev_store(struct kobject *kobj, struct attribute *attr,
-	     const char *buffer, size_t count)
-{
-	struct sys_device *sysdev = to_sysdev(kobj);
-	struct sysdev_attribute *sysdev_attr = to_sysdev_attr(attr);
-
-	if (sysdev_attr->store)
-		return sysdev_attr->store(sysdev, sysdev_attr, buffer, count);
-	return -EIO;
-}
-
-static const struct sysfs_ops sysfs_ops = {
-	.show	= sysdev_show,
-	.store	= sysdev_store,
-};
-
-static struct kobj_type ktype_sysdev = {
-	.sysfs_ops	= &sysfs_ops,
-};
-
-
-int sysdev_create_file(struct sys_device *s, struct sysdev_attribute *a)
-{
-	return sysfs_create_file(&s->kobj, &a->attr);
-}
-
-
-void sysdev_remove_file(struct sys_device *s, struct sysdev_attribute *a)
-{
-	sysfs_remove_file(&s->kobj, &a->attr);
-}
-
-EXPORT_SYMBOL_GPL(sysdev_create_file);
-EXPORT_SYMBOL_GPL(sysdev_remove_file);
-
-#define to_sysdev_class(k) container_of(k, struct sysdev_class, kset.kobj)
-#define to_sysdev_class_attr(a) container_of(a, \
-	struct sysdev_class_attribute, attr)
-
-static ssize_t sysdev_class_show(struct kobject *kobj, struct attribute *attr,
-				 char *buffer)
-{
-	struct sysdev_class *class = to_sysdev_class(kobj);
-	struct sysdev_class_attribute *class_attr = to_sysdev_class_attr(attr);
-
-	if (class_attr->show)
-		return class_attr->show(class, class_attr, buffer);
-	return -EIO;
-}
-
-static ssize_t sysdev_class_store(struct kobject *kobj, struct attribute *attr,
-				  const char *buffer, size_t count)
-{
-	struct sysdev_class *class = to_sysdev_class(kobj);
-	struct sysdev_class_attribute *class_attr = to_sysdev_class_attr(attr);
-
-	if (class_attr->store)
-		return class_attr->store(class, class_attr, buffer, count);
-	return -EIO;
-}
-
-static const struct sysfs_ops sysfs_class_ops = {
-	.show	= sysdev_class_show,
-	.store	= sysdev_class_store,
-};
-
-static struct kobj_type ktype_sysdev_class = {
-	.sysfs_ops	= &sysfs_class_ops,
-};
-
-int sysdev_class_create_file(struct sysdev_class *c,
-			     struct sysdev_class_attribute *a)
-{
-	return sysfs_create_file(&c->kset.kobj, &a->attr);
-}
-EXPORT_SYMBOL_GPL(sysdev_class_create_file);
-
-void sysdev_class_remove_file(struct sysdev_class *c,
-			      struct sysdev_class_attribute *a)
-{
-	sysfs_remove_file(&c->kset.kobj, &a->attr);
-}
-EXPORT_SYMBOL_GPL(sysdev_class_remove_file);
-
-extern struct kset *system_kset;
-
-int sysdev_class_register(struct sysdev_class *cls)
-{
-	int retval;
-
-	pr_debug("Registering sysdev class '%s'\n", cls->name);
-
-	INIT_LIST_HEAD(&cls->drivers);
-	memset(&cls->kset.kobj, 0x00, sizeof(struct kobject));
-	cls->kset.kobj.parent = &system_kset->kobj;
-	cls->kset.kobj.ktype = &ktype_sysdev_class;
-	cls->kset.kobj.kset = system_kset;
-
-	retval = kobject_set_name(&cls->kset.kobj, "%s", cls->name);
-	if (retval)
-		return retval;
-
-	retval = kset_register(&cls->kset);
-	if (!retval && cls->attrs)
-		retval = sysfs_create_files(&cls->kset.kobj,
-					    (const struct attribute **)cls->attrs);
-	return retval;
-}
-
-void sysdev_class_unregister(struct sysdev_class *cls)
-{
-	pr_debug("Unregistering sysdev class '%s'\n",
-		 kobject_name(&cls->kset.kobj));
-	if (cls->attrs)
-		sysfs_remove_files(&cls->kset.kobj,
-				   (const struct attribute **)cls->attrs);
-	kset_unregister(&cls->kset);
-}
-
-EXPORT_SYMBOL_GPL(sysdev_class_register);
-EXPORT_SYMBOL_GPL(sysdev_class_unregister);
-
-static DEFINE_MUTEX(sysdev_drivers_lock);
-
-/*
- * @dev != NULL means that we're unwinding because some drv->add()
- * failed for some reason. You need to grab sysdev_drivers_lock before
- * calling this.
- */
-static void __sysdev_driver_remove(struct sysdev_class *cls,
-				   struct sysdev_driver *drv,
-				   struct sys_device *from_dev)
-{
-	struct sys_device *dev = from_dev;
-
-	list_del_init(&drv->entry);
-	if (!cls)
-		return;
-
-	if (!drv->remove)
-		goto kset_put;
-
-	if (dev)
-		list_for_each_entry_continue_reverse(dev, &cls->kset.list,
-						     kobj.entry)
-			drv->remove(dev);
-	else
-		list_for_each_entry(dev, &cls->kset.list, kobj.entry)
-			drv->remove(dev);
-
-kset_put:
-	kset_put(&cls->kset);
-}
-
-/**
- *	sysdev_driver_register - Register auxiliary driver
- *	@cls:	Device class driver belongs to.
- *	@drv:	Driver.
- *
- *	@drv is inserted into @cls->drivers to be
- *	called on each operation on devices of that class. The refcount
- *	of @cls is incremented.
- */
-int sysdev_driver_register(struct sysdev_class *cls, struct sysdev_driver *drv)
-{
-	struct sys_device *dev = NULL;
-	int err = 0;
-
-	if (!cls) {
-		WARN(1, KERN_WARNING "sysdev: invalid class passed to %s!\n",
-			__func__);
-		return -EINVAL;
-	}
-
-	/* Check whether this driver has already been added to a class. */
-	if (drv->entry.next && !list_empty(&drv->entry))
-		WARN(1, 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);
-
-	mutex_lock(&sysdev_drivers_lock);
-	if (cls && kset_get(&cls->kset)) {
-		list_add_tail(&drv->entry, &cls->drivers);
-
-		/* If devices of this class already exist, tell the driver */
-		if (drv->add) {
-			list_for_each_entry(dev, &cls->kset.list, kobj.entry) {
-				err = drv->add(dev);
-				if (err)
-					goto unwind;
-			}
-		}
-	} else {
-		err = -EINVAL;
-		WARN(1, KERN_ERR "%s: invalid device class\n", __func__);
-	}
-
-	goto unlock;
-
-unwind:
-	__sysdev_driver_remove(cls, drv, dev);
-
-unlock:
-	mutex_unlock(&sysdev_drivers_lock);
-	return err;
-}
-
-/**
- *	sysdev_driver_unregister - Remove an auxiliary driver.
- *	@cls:	Class driver belongs to.
- *	@drv:	Driver.
- */
-void sysdev_driver_unregister(struct sysdev_class *cls,
-			      struct sysdev_driver *drv)
-{
-	mutex_lock(&sysdev_drivers_lock);
-	__sysdev_driver_remove(cls, drv, NULL);
-	mutex_unlock(&sysdev_drivers_lock);
-}
-EXPORT_SYMBOL_GPL(sysdev_driver_register);
-EXPORT_SYMBOL_GPL(sysdev_driver_unregister);
-
-/**
- *	sysdev_register - add a system device to the tree
- *	@sysdev:	device in question
- *
- */
-int sysdev_register(struct sys_device *sysdev)
-{
-	int error;
-	struct sysdev_class *cls = sysdev->cls;
-
-	if (!cls)
-		return -EINVAL;
-
-	pr_debug("Registering sys device of class '%s'\n",
-		 kobject_name(&cls->kset.kobj));
-
-	/* initialize the kobject to 0, in case it had previously been used */
-	memset(&sysdev->kobj, 0x00, sizeof(struct kobject));
-
-	/* Make sure the kset is set */
-	sysdev->kobj.kset = &cls->kset;
-
-	/* Register the object */
-	error = kobject_init_and_add(&sysdev->kobj, &ktype_sysdev, NULL,
-				     "%s%d", kobject_name(&cls->kset.kobj),
-				     sysdev->id);
-
-	if (!error) {
-		struct sysdev_driver *drv;
-
-		pr_debug("Registering sys device '%s'\n",
-			 kobject_name(&sysdev->kobj));
-
-		mutex_lock(&sysdev_drivers_lock);
-		/* Generic notification is implicit, because it's that
-		 * code that should have called us.
-		 */
-
-		/* Notify class auxiliary drivers */
-		list_for_each_entry(drv, &cls->drivers, entry) {
-			if (drv->add)
-				drv->add(sysdev);
-		}
-		mutex_unlock(&sysdev_drivers_lock);
-		kobject_uevent(&sysdev->kobj, KOBJ_ADD);
-	}
-
-	return error;
-}
-
-void sysdev_unregister(struct sys_device *sysdev)
-{
-	struct sysdev_driver *drv;
-
-	mutex_lock(&sysdev_drivers_lock);
-	list_for_each_entry(drv, &sysdev->cls->drivers, entry) {
-		if (drv->remove)
-			drv->remove(sysdev);
-	}
-	mutex_unlock(&sysdev_drivers_lock);
-
-	kobject_put(&sysdev->kobj);
-}
-
-EXPORT_SYMBOL_GPL(sysdev_register);
-EXPORT_SYMBOL_GPL(sysdev_unregister);
-
-#define to_ext_attr(x) container_of(x, struct sysdev_ext_attribute, attr)
-
-ssize_t sysdev_store_ulong(struct sys_device *sysdev,
-			   struct sysdev_attribute *attr,
-			   const char *buf, size_t size)
-{
-	struct sysdev_ext_attribute *ea = to_ext_attr(attr);
-	char *end;
-	unsigned long new = simple_strtoul(buf, &end, 0);
-	if (end == buf)
-		return -EINVAL;
-	*(unsigned long *)(ea->var) = new;
-	/* Always return full write size even if we didn't consume all */
-	return size;
-}
-EXPORT_SYMBOL_GPL(sysdev_store_ulong);
-
-ssize_t sysdev_show_ulong(struct sys_device *sysdev,
-			  struct sysdev_attribute *attr,
-			  char *buf)
-{
-	struct sysdev_ext_attribute *ea = to_ext_attr(attr);
-	return snprintf(buf, PAGE_SIZE, "%lx\n", *(unsigned long *)(ea->var));
-}
-EXPORT_SYMBOL_GPL(sysdev_show_ulong);
-
-ssize_t sysdev_store_int(struct sys_device *sysdev,
-			   struct sysdev_attribute *attr,
-			   const char *buf, size_t size)
-{
-	struct sysdev_ext_attribute *ea = to_ext_attr(attr);
-	char *end;
-	long new = simple_strtol(buf, &end, 0);
-	if (end == buf || new > INT_MAX || new < INT_MIN)
-		return -EINVAL;
-	*(int *)(ea->var) = new;
-	/* Always return full write size even if we didn't consume all */
-	return size;
-}
-EXPORT_SYMBOL_GPL(sysdev_store_int);
-
-ssize_t sysdev_show_int(struct sys_device *sysdev,
-			  struct sysdev_attribute *attr,
-			  char *buf)
-{
-	struct sysdev_ext_attribute *ea = to_ext_attr(attr);
-	return snprintf(buf, PAGE_SIZE, "%d\n", *(int *)(ea->var));
-}
-EXPORT_SYMBOL_GPL(sysdev_show_int);
-