1 files changed, 0 insertions, 441 deletions
diff --git a/ANDROID_3.4.5/drivers/base/attribute_container.c b/ANDROID_3.4.5/drivers/base/attribute_container.c
deleted file mode 100644
index 8fc200b2..00000000
--- a/ANDROID_3.4.5/drivers/base/attribute_container.c
+++ /dev/null
@@ -1,441 +0,0 @@
-/*
- * attribute_container.c - implementation of a simple container for classes
- *
- * Copyright (c) 2005 - James Bottomley <James.Bottomley@steeleye.com>
- *
- * This file is licensed under GPLv2
- *
- * The basic idea here is to enable a device to be attached to an
- * aritrary numer of classes without having to allocate storage for them.
- * Instead, the contained classes select the devices they need to attach
- * to via a matching function.
- */
-
-#include <linux/attribute_container.h>
-#include <linux/init.h>
-#include <linux/device.h>
-#include <linux/kernel.h>
-#include <linux/slab.h>
-#include <linux/list.h>
-#include <linux/module.h>
-#include <linux/mutex.h>
-
-#include "base.h"
-
-/* This is a private structure used to tie the classdev and the
- * container .. it should never be visible outside this file */
-struct internal_container {
-	struct klist_node node;
-	struct attribute_container *cont;
-	struct device classdev;
-};
-
-static void internal_container_klist_get(struct klist_node *n)
-{
-	struct internal_container *ic =
-		container_of(n, struct internal_container, node);
-	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);
-	put_device(&ic->classdev);
-}
-
-
-/**
- * attribute_container_classdev_to_container - given a classdev, return the container
- *
- * @classdev: the class device created by attribute_container_add_device.
- *
- * Returns the container associated with this classdev.
- */
-struct attribute_container *
-attribute_container_classdev_to_container(struct device *classdev)
-{
-	struct internal_container *ic =
-		container_of(classdev, struct internal_container, classdev);
-	return ic->cont;
-}
-EXPORT_SYMBOL_GPL(attribute_container_classdev_to_container);
-
-static LIST_HEAD(attribute_container_list);
-
-static DEFINE_MUTEX(attribute_container_mutex);
-
-/**
- * attribute_container_register - register an attribute container
- *
- * @cont: The container to register.  This must be allocated by the
- *        callee and should also be zeroed by it.
- */
-int
-attribute_container_register(struct attribute_container *cont)
-{
-	INIT_LIST_HEAD(&cont->node);
-	klist_init(&cont->containers,internal_container_klist_get,
-		   internal_container_klist_put);
-		
-	mutex_lock(&attribute_container_mutex);
-	list_add_tail(&cont->node, &attribute_container_list);
-	mutex_unlock(&attribute_container_mutex);
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(attribute_container_register);
-
-/**
- * attribute_container_unregister - remove a container registration
- *
- * @cont: previously registered container to remove
- */
-int
-attribute_container_unregister(struct attribute_container *cont)
-{
-	int retval = -EBUSY;
-	mutex_lock(&attribute_container_mutex);
-	spin_lock(&cont->containers.k_lock);
-	if (!list_empty(&cont->containers.k_list))
-		goto out;
-	retval = 0;
-	list_del(&cont->node);
- out:
-	spin_unlock(&cont->containers.k_lock);
-	mutex_unlock(&attribute_container_mutex);
-	return retval;
-		
-}
-EXPORT_SYMBOL_GPL(attribute_container_unregister);
-
-/* private function used as class release */
-static void attribute_container_release(struct device *classdev)
-{
-	struct internal_container *ic 
-		= container_of(classdev, struct internal_container, classdev);
-	struct device *dev = classdev->parent;
-
-	kfree(ic);
-	put_device(dev);
-}
-
-/**
- * attribute_container_add_device - see if any container is interested in dev
- *
- * @dev: device to add attributes to
- * @fn:	 function to trigger addition of class device.
- *
- * 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
- * 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 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.
- */
-void
-attribute_container_add_device(struct device *dev,
-			       int (*fn)(struct attribute_container *,
-					 struct device *,
-					 struct device *))
-{
-	struct attribute_container *cont;
-
-	mutex_lock(&attribute_container_mutex);
-	list_for_each_entry(cont, &attribute_container_list, node) {
-		struct internal_container *ic;
-
-		if (attribute_container_no_classdevs(cont))
-			continue;
-
-		if (!cont->match(cont, dev))
-			continue;
-
-		ic = kzalloc(sizeof(*ic), GFP_KERNEL);
-		if (!ic) {
-			dev_printk(KERN_ERR, dev, "failed to allocate class container\n");
-			continue;
-		}
-
-		ic->cont = cont;
-		device_initialize(&ic->classdev);
-		ic->classdev.parent = get_device(dev);
-		ic->classdev.class = cont->class;
-		cont->class->dev_release = attribute_container_release;
-		dev_set_name(&ic->classdev, dev_name(dev));
-		if (fn)
-			fn(cont, dev, &ic->classdev);
-		else
-			attribute_container_add_class_device(&ic->classdev);
-		klist_add_tail(&ic->node, &cont->containers);
-	}
-	mutex_unlock(&attribute_container_mutex);
-}
-
-/* FIXME: can't break out of this unless klist_iter_exit is also
- * called before doing the break
- */
-#define klist_for_each_entry(pos, head, member, iter) \
-	for (klist_iter_init(head, iter); (pos = ({ \
-		struct klist_node *n = klist_next(iter); \
-		n ? container_of(n, typeof(*pos), member) : \
-			({ klist_iter_exit(iter) ; NULL; }); \
-	}) ) != NULL; )
-			
-
-/**
- * attribute_container_remove_device - make device eligible for removal.
- *
- * @dev:  The generic device
- * @fn:	  A function to call to remove the device
- *
- * This routine triggers device removal.  If fn is NULL, then it is
- * 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
- * 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 device *))
-{
-	struct attribute_container *cont;
-
-	mutex_lock(&attribute_container_mutex);
-	list_for_each_entry(cont, &attribute_container_list, node) {
-		struct internal_container *ic;
-		struct klist_iter iter;
-
-		if (attribute_container_no_classdevs(cont))
-			continue;
-
-		if (!cont->match(cont, dev))
-			continue;
-
-		klist_for_each_entry(ic, &cont->containers, node, &iter) {
-			if (dev != ic->classdev.parent)
-				continue;
-			klist_del(&ic->node);
-			if (fn)
-				fn(cont, dev, &ic->classdev);
-			else {
-				attribute_container_remove_attrs(&ic->classdev);
-				device_unregister(&ic->classdev);
-			}
-		}
-	}
-	mutex_unlock(&attribute_container_mutex);
-}
-
-/**
- * attribute_container_device_trigger - execute a trigger for each matching classdev
- *
- * @dev:  The generic device to run the trigger for
- * @fn	  the function to execute for each classdev.
- *
- * This funcion is for executing a trigger when you need to know both
- * the container and the classdev.  If you only care about the
- * container, then use attribute_container_trigger() instead.
- */
-void
-attribute_container_device_trigger(struct device *dev, 
-				   int (*fn)(struct attribute_container *,
-					     struct device *,
-					     struct device *))
-{
-	struct attribute_container *cont;
-
-	mutex_lock(&attribute_container_mutex);
-	list_for_each_entry(cont, &attribute_container_list, node) {
-		struct internal_container *ic;
-		struct klist_iter iter;
-
-		if (!cont->match(cont, dev))
-			continue;
-
-		if (attribute_container_no_classdevs(cont)) {
-			fn(cont, dev, NULL);
-			continue;
-		}
-
-		klist_for_each_entry(ic, &cont->containers, node, &iter) {
-			if (dev == ic->classdev.parent)
-				fn(cont, dev, &ic->classdev);
-		}
-	}
-	mutex_unlock(&attribute_container_mutex);
-}
-
-/**
- * attribute_container_trigger - trigger a function for each matching container
- *
- * @dev:  The generic device to activate the trigger for
- * @fn:	  the function to trigger
- *
- * This routine triggers a function that only needs to know the
- * matching containers (not the classdev) associated with a device.
- * It is more lightweight than attribute_container_device_trigger, so
- * should be used in preference unless the triggering function
- * actually needs to know the classdev.
- */
-void
-attribute_container_trigger(struct device *dev,
-			    int (*fn)(struct attribute_container *,
-				      struct device *))
-{
-	struct attribute_container *cont;
-
-	mutex_lock(&attribute_container_mutex);
-	list_for_each_entry(cont, &attribute_container_list, node) {
-		if (cont->match(cont, dev))
-			fn(cont, dev);
-	}
-	mutex_unlock(&attribute_container_mutex);
-}
-
-/**
- * attribute_container_add_attrs - add attributes
- *
- * @classdev: The class device
- *
- * This simply creates all the class device sysfs files from the
- * attributes listed in the container
- */
-int
-attribute_container_add_attrs(struct device *classdev)
-{
-	struct attribute_container *cont =
-		attribute_container_classdev_to_container(classdev);
-	struct device_attribute **attrs = cont->attrs;
-	int i, error;
-
-	BUG_ON(attrs && cont->grp);
-
-	if (!attrs && !cont->grp)
-		return 0;
-
-	if (cont->grp)
-		return sysfs_create_group(&classdev->kobj, cont->grp);
-
-	for (i = 0; attrs[i]; i++) {
-		sysfs_attr_init(&attrs[i]->attr);
-		error = device_create_file(classdev, attrs[i]);
-		if (error)
-			return error;
-	}
-
-	return 0;
-}
-
-/**
- * attribute_container_add_class_device - same function as device_add
- *
- * @classdev:	the class device to add
- *
- * 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 device *classdev)
-{
-	int error = device_add(classdev);
-	if (error)
-		return error;
-	return attribute_container_add_attrs(classdev);
-}
-
-/**
- * attribute_container_add_class_device_adapter - simple adapter for triggers
- *
- * This function is identical to attribute_container_add_class_device except
- * that it is designed to be called from the triggers
- */
-int
-attribute_container_add_class_device_adapter(struct attribute_container *cont,
-					     struct device *dev,
-					     struct device *classdev)
-{
-	return attribute_container_add_class_device(classdev);
-}
-
-/**
- * attribute_container_remove_attrs - remove any attribute files
- *
- * @classdev: The class device to remove the files from
- *
- */
-void
-attribute_container_remove_attrs(struct device *classdev)
-{
-	struct attribute_container *cont =
-		attribute_container_classdev_to_container(classdev);
-	struct device_attribute **attrs = cont->attrs;
-	int i;
-
-	if (!attrs && !cont->grp)
-		return;
-
-	if (cont->grp) {
-		sysfs_remove_group(&classdev->kobj, cont->grp);
-		return ;
-	}
-
-	for (i = 0; attrs[i]; i++)
-		device_remove_file(classdev, attrs[i]);
-}
-
-/**
- * attribute_container_class_device_del - equivalent of class_device_del
- *
- * @classdev: the class device
- *
- * This function simply removes all the attribute files and then calls
- * device_del.
- */
-void
-attribute_container_class_device_del(struct device *classdev)
-{
-	attribute_container_remove_attrs(classdev);
-	device_del(classdev);
-}
-
-/**
- * attribute_container_find_class_device - find the corresponding class_device
- *
- * @cont:	the container
- * @dev:	the generic device
- *
- * Looks up the device in the container's list of class devices and returns
- * the corresponding class_device.
- */
-struct device *
-attribute_container_find_class_device(struct attribute_container *cont,
-				      struct device *dev)
-{
-	struct device *cdev = NULL;
-	struct internal_container *ic;
-	struct klist_iter iter;
-
-	klist_for_each_entry(ic, &cont->containers, node, &iter) {
-		if (ic->classdev.parent == dev) {
-			cdev = &ic->classdev;
-			/* FIXME: must exit iterator then break */
-			klist_iter_exit(&iter);
-			break;
-		}
-	}
-
-	return cdev;
-}
-EXPORT_SYMBOL_GPL(attribute_container_find_class_device);