1 files changed, 0 insertions, 426 deletions
diff --git a/arch/ppc64/kernel/pSeries_reconfig.c b/arch/ppc64/kernel/pSeries_reconfig.c
deleted file mode 100644
index 58c61219d08..00000000000
--- a/arch/ppc64/kernel/pSeries_reconfig.c
+++ /dev/null
@@ -1,426 +0,0 @@
-/*
- * pSeries_reconfig.c - support for dynamic reconfiguration (including PCI
- * Hotplug and Dynamic Logical Partitioning on RPA platforms).
- *
- * Copyright (C) 2005 Nathan Lynch
- * Copyright (C) 2005 IBM Corporation
- *
- *
- *	This program is free software; you can redistribute it and/or
- *	modify it under the terms of the GNU General Public License version
- *	2 as published by the Free Software Foundation.
- */
-
-#include <linux/kernel.h>
-#include <linux/kref.h>
-#include <linux/notifier.h>
-#include <linux/proc_fs.h>
-
-#include <asm/prom.h>
-#include <asm/pSeries_reconfig.h>
-#include <asm/uaccess.h>
-
-
-
-/*
- * Routines for "runtime" addition and removal of device tree nodes.
- */
-#ifdef CONFIG_PROC_DEVICETREE
-/*
- * Add a node to /proc/device-tree.
- */
-static void add_node_proc_entries(struct device_node *np)
-{
-	struct proc_dir_entry *ent;
-
-	ent = proc_mkdir(strrchr(np->full_name, '/') + 1, np->parent->pde);
-	if (ent)
-		proc_device_tree_add_node(np, ent);
-}
-
-static void remove_node_proc_entries(struct device_node *np)
-{
-	struct property *pp = np->properties;
-	struct device_node *parent = np->parent;
-
-	while (pp) {
-		remove_proc_entry(pp->name, np->pde);
-		pp = pp->next;
-	}
-	if (np->pde)
-		remove_proc_entry(np->pde->name, parent->pde);
-}
-#else /* !CONFIG_PROC_DEVICETREE */
-static void add_node_proc_entries(struct device_node *np)
-{
-	return;
-}
-
-static void remove_node_proc_entries(struct device_node *np)
-{
-	return;
-}
-#endif /* CONFIG_PROC_DEVICETREE */
-
-/**
- *	derive_parent - basically like dirname(1)
- *	@path:  the full_name of a node to be added to the tree
- *
- *	Returns the node which should be the parent of the node
- *	described by path.  E.g., for path = "/foo/bar", returns
- *	the node with full_name = "/foo".
- */
-static struct device_node *derive_parent(const char *path)
-{
-	struct device_node *parent = NULL;
-	char *parent_path = "/";
-	size_t parent_path_len = strrchr(path, '/') - path + 1;
-
-	/* reject if path is "/" */
-	if (!strcmp(path, "/"))
-		return ERR_PTR(-EINVAL);
-
-	if (strrchr(path, '/') != path) {
-		parent_path = kmalloc(parent_path_len, GFP_KERNEL);
-		if (!parent_path)
-			return ERR_PTR(-ENOMEM);
-		strlcpy(parent_path, path, parent_path_len);
-	}
-	parent = of_find_node_by_path(parent_path);
-	if (!parent)
-		return ERR_PTR(-EINVAL);
-	if (strcmp(parent_path, "/"))
-		kfree(parent_path);
-	return parent;
-}
-
-static struct notifier_block *pSeries_reconfig_chain;
-
-int pSeries_reconfig_notifier_register(struct notifier_block *nb)
-{
-	return notifier_chain_register(&pSeries_reconfig_chain, nb);
-}
-
-void pSeries_reconfig_notifier_unregister(struct notifier_block *nb)
-{
-	notifier_chain_unregister(&pSeries_reconfig_chain, nb);
-}
-
-static int pSeries_reconfig_add_node(const char *path, struct property *proplist)
-{
-	struct device_node *np;
-	int err = -ENOMEM;
-
-	np = kzalloc(sizeof(*np), GFP_KERNEL);
-	if (!np)
-		goto out_err;
-
-	np->full_name = kmalloc(strlen(path) + 1, GFP_KERNEL);
-	if (!np->full_name)
-		goto out_err;
-
-	strcpy(np->full_name, path);
-
-	np->properties = proplist;
-	OF_MARK_DYNAMIC(np);
-	kref_init(&np->kref);
-
-	np->parent = derive_parent(path);
-	if (IS_ERR(np->parent)) {
-		err = PTR_ERR(np->parent);
-		goto out_err;
-	}
-
-	err = notifier_call_chain(&pSeries_reconfig_chain,
-				  PSERIES_RECONFIG_ADD, np);
-	if (err == NOTIFY_BAD) {
-		printk(KERN_ERR "Failed to add device node %s\n", path);
-		err = -ENOMEM; /* For now, safe to assume kmalloc failure */
-		goto out_err;
-	}
-
-	of_attach_node(np);
-
-	add_node_proc_entries(np);
-
-	of_node_put(np->parent);
-
-	return 0;
-
-out_err:
-	if (np) {
-		of_node_put(np->parent);
-		kfree(np->full_name);
-		kfree(np);
-	}
-	return err;
-}
-
-static int pSeries_reconfig_remove_node(struct device_node *np)
-{
-	struct device_node *parent, *child;
-
-	parent = of_get_parent(np);
-	if (!parent)
-		return -EINVAL;
-
-	if ((child = of_get_next_child(np, NULL))) {
-		of_node_put(child);
-		return -EBUSY;
-	}
-
-	remove_node_proc_entries(np);
-
-	notifier_call_chain(&pSeries_reconfig_chain,
-			    PSERIES_RECONFIG_REMOVE, np);
-	of_detach_node(np);
-
-	of_node_put(parent);
-	of_node_put(np); /* Must decrement the refcount */
-	return 0;
-}
-
-/*
- * /proc/ppc64/ofdt - yucky binary interface for adding and removing
- * OF device nodes.  Should be deprecated as soon as we get an
- * in-kernel wrapper for the RTAS ibm,configure-connector call.
- */
-
-static void release_prop_list(const struct property *prop)
-{
-	struct property *next;
-	for (; prop; prop = next) {
-		next = prop->next;
-		kfree(prop->name);
-		kfree(prop->value);
-		kfree(prop);
-	}
-
-}
-
-/**
- * parse_next_property - process the next property from raw input buffer
- * @buf: input buffer, must be nul-terminated
- * @end: end of the input buffer + 1, for validation
- * @name: return value; set to property name in buf
- * @length: return value; set to length of value
- * @value: return value; set to the property value in buf
- *
- * Note that the caller must make copies of the name and value returned,
- * this function does no allocation or copying of the data.  Return value
- * is set to the next name in buf, or NULL on error.
- */
-static char * parse_next_property(char *buf, char *end, char **name, int *length,
-				  unsigned char **value)
-{
-	char *tmp;
-
-	*name = buf;
-
-	tmp = strchr(buf, ' ');
-	if (!tmp) {
-		printk(KERN_ERR "property parse failed in %s at line %d\n",
-		       __FUNCTION__, __LINE__);
-		return NULL;
-	}
-	*tmp = '\0';
-
-	if (++tmp >= end) {
-		printk(KERN_ERR "property parse failed in %s at line %d\n",
-		       __FUNCTION__, __LINE__);
-		return NULL;
-	}
-
-	/* now we're on the length */
-	*length = -1;
-	*length = simple_strtoul(tmp, &tmp, 10);
-	if (*length == -1) {
-		printk(KERN_ERR "property parse failed in %s at line %d\n",
-		       __FUNCTION__, __LINE__);
-		return NULL;
-	}
-	if (*tmp != ' ' || ++tmp >= end) {
-		printk(KERN_ERR "property parse failed in %s at line %d\n",
-		       __FUNCTION__, __LINE__);
-		return NULL;
-	}
-
-	/* now we're on the value */
-	*value = tmp;
-	tmp += *length;
-	if (tmp > end) {
-		printk(KERN_ERR "property parse failed in %s at line %d\n",
-		       __FUNCTION__, __LINE__);
-		return NULL;
-	}
-	else if (tmp < end && *tmp != ' ' && *tmp != '\0') {
-		printk(KERN_ERR "property parse failed in %s at line %d\n",
-		       __FUNCTION__, __LINE__);
-		return NULL;
-	}
-	tmp++;
-
-	/* and now we should be on the next name, or the end */
-	return tmp;
-}
-
-static struct property *new_property(const char *name, const int length,
-				     const unsigned char *value, struct property *last)
-{
-	struct property *new = kmalloc(sizeof(*new), GFP_KERNEL);
-
-	if (!new)
-		return NULL;
-	memset(new, 0, sizeof(*new));
-
-	if (!(new->name = kmalloc(strlen(name) + 1, GFP_KERNEL)))
-		goto cleanup;
-	if (!(new->value = kmalloc(length + 1, GFP_KERNEL)))
-		goto cleanup;
-
-	strcpy(new->name, name);
-	memcpy(new->value, value, length);
-	*(((char *)new->value) + length) = 0;
-	new->length = length;
-	new->next = last;
-	return new;
-
-cleanup:
-	if (new->name)
-		kfree(new->name);
-	if (new->value)
-		kfree(new->value);
-	kfree(new);
-	return NULL;
-}
-
-static int do_add_node(char *buf, size_t bufsize)
-{
-	char *path, *end, *name;
-	struct device_node *np;
-	struct property *prop = NULL;
-	unsigned char* value;
-	int length, rv = 0;
-
-	end = buf + bufsize;
-	path = buf;
-	buf = strchr(buf, ' ');
-	if (!buf)
-		return -EINVAL;
-	*buf = '\0';
-	buf++;
-
-	if ((np = of_find_node_by_path(path))) {
-		of_node_put(np);
-		return -EINVAL;
-	}
-
-	/* rv = build_prop_list(tmp, bufsize - (tmp - buf), &proplist); */
-	while (buf < end &&
-	       (buf = parse_next_property(buf, end, &name, &length, &value))) {
-		struct property *last = prop;
-
-		prop = new_property(name, length, value, last);
-		if (!prop) {
-			rv = -ENOMEM;
-			prop = last;
-			goto out;
-		}
-	}
-	if (!buf) {
-		rv = -EINVAL;
-		goto out;
-	}
-
-	rv = pSeries_reconfig_add_node(path, prop);
-
-out:
-	if (rv)
-		release_prop_list(prop);
-	return rv;
-}
-
-static int do_remove_node(char *buf)
-{
-	struct device_node *node;
-	int rv = -ENODEV;
-
-	if ((node = of_find_node_by_path(buf)))
-		rv = pSeries_reconfig_remove_node(node);
-
-	of_node_put(node);
-	return rv;
-}
-
-/**
- * ofdt_write - perform operations on the Open Firmware device tree
- *
- * @file: not used
- * @buf: command and arguments
- * @count: size of the command buffer
- * @off: not used
- *
- * Operations supported at this time are addition and removal of
- * whole nodes along with their properties.  Operations on individual
- * properties are not implemented (yet).
- */
-static ssize_t ofdt_write(struct file *file, const char __user *buf, size_t count,
-			  loff_t *off)
-{
-	int rv = 0;
-	char *kbuf;
-	char *tmp;
-
-	if (!(kbuf = kmalloc(count + 1, GFP_KERNEL))) {
-		rv = -ENOMEM;
-		goto out;
-	}
-	if (copy_from_user(kbuf, buf, count)) {
-		rv = -EFAULT;
-		goto out;
-	}
-
-	kbuf[count] = '\0';
-
-	tmp = strchr(kbuf, ' ');
-	if (!tmp) {
-		rv = -EINVAL;
-		goto out;
-	}
-	*tmp = '\0';
-	tmp++;
-
-	if (!strcmp(kbuf, "add_node"))
-		rv = do_add_node(tmp, count - (tmp - kbuf));
-	else if (!strcmp(kbuf, "remove_node"))
-		rv = do_remove_node(tmp);
-	else
-		rv = -EINVAL;
-out:
-	kfree(kbuf);
-	return rv ? rv : count;
-}
-
-static struct file_operations ofdt_fops = {
-	.write = ofdt_write
-};
-
-/* create /proc/ppc64/ofdt write-only by root */
-static int proc_ppc64_create_ofdt(void)
-{
-	struct proc_dir_entry *ent;
-
-	if (!(systemcfg->platform & PLATFORM_PSERIES))
-		return 0;
-
-	ent = create_proc_entry("ppc64/ofdt", S_IWUSR, NULL);
-	if (ent) {
-		ent->nlink = 1;
-		ent->data = NULL;
-		ent->size = 0;
-		ent->proc_fops = &ofdt_fops;
-	}
-
-	return 0;
-}
-__initcall(proc_ppc64_create_ofdt);