1 files changed, 0 insertions, 363 deletions

diff --git a/ANDROID_3.4.5/arch/powerpc/platforms/pseries/mobility.c b/ANDROID_3.4.5/arch/powerpc/platforms/pseries/mobility.c
deleted file mode 100644
index 029a562a..00000000
--- a/ANDROID_3.4.5/arch/powerpc/platforms/pseries/mobility.c
+++ /dev/null
@@ -1,363 +0,0 @@
-/*
- * Support for Partition Mobility/Migration
- *
- * Copyright (C) 2010 Nathan Fontenot
- * Copyright (C) 2010 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/kobject.h>
-#include <linux/smp.h>
-#include <linux/stat.h>
-#include <linux/completion.h>
-#include <linux/device.h>
-#include <linux/delay.h>
-#include <linux/slab.h>
-
-#include <asm/rtas.h>
-#include "pseries.h"
-
-static struct kobject *mobility_kobj;
-
-struct update_props_workarea {
-	u32 phandle;
-	u32 state;
-	u64 reserved;
-	u32 nprops;
-};
-
-#define NODE_ACTION_MASK	0xff000000
-#define NODE_COUNT_MASK		0x00ffffff
-
-#define DELETE_DT_NODE	0x01000000
-#define UPDATE_DT_NODE	0x02000000
-#define ADD_DT_NODE	0x03000000
-
-static int mobility_rtas_call(int token, char *buf)
-{
-	int rc;
-
-	spin_lock(&rtas_data_buf_lock);
-
-	memcpy(rtas_data_buf, buf, RTAS_DATA_BUF_SIZE);
-	rc = rtas_call(token, 2, 1, NULL, rtas_data_buf, 1);
-	memcpy(buf, rtas_data_buf, RTAS_DATA_BUF_SIZE);
-
-	spin_unlock(&rtas_data_buf_lock);
-	return rc;
-}
-
-static int delete_dt_node(u32 phandle)
-{
-	struct device_node *dn;
-
-	dn = of_find_node_by_phandle(phandle);
-	if (!dn)
-		return -ENOENT;
-
-	dlpar_detach_node(dn);
-	return 0;
-}
-
-static int update_dt_property(struct device_node *dn, struct property **prop,
-			      const char *name, u32 vd, char *value)
-{
-	struct property *new_prop = *prop;
-	struct property *old_prop;
-	int more = 0;
-
-	/* A negative 'vd' value indicates that only part of the new property
-	 * value is contained in the buffer and we need to call
-	 * ibm,update-properties again to get the rest of the value.
-	 *
-	 * A negative value is also the two's compliment of the actual value.
-	 */
-	if (vd & 0x80000000) {
-		vd = ~vd + 1;
-		more = 1;
-	}
-
-	if (new_prop) {
-		/* partial property fixup */
-		char *new_data = kzalloc(new_prop->length + vd, GFP_KERNEL);
-		if (!new_data)
-			return -ENOMEM;
-
-		memcpy(new_data, new_prop->value, new_prop->length);
-		memcpy(new_data + new_prop->length, value, vd);
-
-		kfree(new_prop->value);
-		new_prop->value = new_data;
-		new_prop->length += vd;
-	} else {
-		new_prop = kzalloc(sizeof(*new_prop), GFP_KERNEL);
-		if (!new_prop)
-			return -ENOMEM;
-
-		new_prop->name = kstrdup(name, GFP_KERNEL);
-		if (!new_prop->name) {
-			kfree(new_prop);
-			return -ENOMEM;
-		}
-
-		new_prop->length = vd;
-		new_prop->value = kzalloc(new_prop->length, GFP_KERNEL);
-		if (!new_prop->value) {
-			kfree(new_prop->name);
-			kfree(new_prop);
-			return -ENOMEM;
-		}
-
-		memcpy(new_prop->value, value, vd);
-		*prop = new_prop;
-	}
-
-	if (!more) {
-		old_prop = of_find_property(dn, new_prop->name, NULL);
-		if (old_prop)
-			prom_update_property(dn, new_prop, old_prop);
-		else
-			prom_add_property(dn, new_prop);
-
-		new_prop = NULL;
-	}
-
-	return 0;
-}
-
-static int update_dt_node(u32 phandle)
-{
-	struct update_props_workarea *upwa;
-	struct device_node *dn;
-	struct property *prop = NULL;
-	int i, rc;
-	char *prop_data;
-	char *rtas_buf;
-	int update_properties_token;
-
-	update_properties_token = rtas_token("ibm,update-properties");
-	if (update_properties_token == RTAS_UNKNOWN_SERVICE)
-		return -EINVAL;
-
-	rtas_buf = kzalloc(RTAS_DATA_BUF_SIZE, GFP_KERNEL);
-	if (!rtas_buf)
-		return -ENOMEM;
-
-	dn = of_find_node_by_phandle(phandle);
-	if (!dn) {
-		kfree(rtas_buf);
-		return -ENOENT;
-	}
-
-	upwa = (struct update_props_workarea *)&rtas_buf[0];
-	upwa->phandle = phandle;
-
-	do {
-		rc = mobility_rtas_call(update_properties_token, rtas_buf);
-		if (rc < 0)
-			break;
-
-		prop_data = rtas_buf + sizeof(*upwa);
-
-		for (i = 0; i < upwa->nprops; i++) {
-			char *prop_name;
-			u32 vd;
-
-			prop_name = prop_data + 1;
-			prop_data += strlen(prop_name) + 1;
-			vd = *prop_data++;
-
-			switch (vd) {
-			case 0x00000000:
-				/* name only property, nothing to do */
-				break;
-
-			case 0x80000000:
-				prop = of_find_property(dn, prop_name, NULL);
-				prom_remove_property(dn, prop);
-				prop = NULL;
-				break;
-
-			default:
-				rc = update_dt_property(dn, &prop, prop_name,
-							vd, prop_data);
-				if (rc) {
-					printk(KERN_ERR "Could not update %s"
-					       " property\n", prop_name);
-				}
-
-				prop_data += vd;
-			}
-		}
-	} while (rc == 1);
-
-	of_node_put(dn);
-	kfree(rtas_buf);
-	return 0;
-}
-
-static int add_dt_node(u32 parent_phandle, u32 drc_index)
-{
-	struct device_node *dn;
-	struct device_node *parent_dn;
-	int rc;
-
-	dn = dlpar_configure_connector(drc_index);
-	if (!dn)
-		return -ENOENT;
-
-	parent_dn = of_find_node_by_phandle(parent_phandle);
-	if (!parent_dn) {
-		dlpar_free_cc_nodes(dn);
-		return -ENOENT;
-	}
-
-	dn->parent = parent_dn;
-	rc = dlpar_attach_node(dn);
-	if (rc)
-		dlpar_free_cc_nodes(dn);
-
-	of_node_put(parent_dn);
-	return rc;
-}
-
-static int pseries_devicetree_update(void)
-{
-	char *rtas_buf;
-	u32 *data;
-	int update_nodes_token;
-	int rc;
-
-	update_nodes_token = rtas_token("ibm,update-nodes");
-	if (update_nodes_token == RTAS_UNKNOWN_SERVICE)
-		return -EINVAL;
-
-	rtas_buf = kzalloc(RTAS_DATA_BUF_SIZE, GFP_KERNEL);
-	if (!rtas_buf)
-		return -ENOMEM;
-
-	do {
-		rc = mobility_rtas_call(update_nodes_token, rtas_buf);
-		if (rc && rc != 1)
-			break;
-
-		data = (u32 *)rtas_buf + 4;
-		while (*data & NODE_ACTION_MASK) {
-			int i;
-			u32 action = *data & NODE_ACTION_MASK;
-			int node_count = *data & NODE_COUNT_MASK;
-
-			data++;
-
-			for (i = 0; i < node_count; i++) {
-				u32 phandle = *data++;
-				u32 drc_index;
-
-				switch (action) {
-				case DELETE_DT_NODE:
-					delete_dt_node(phandle);
-					break;
-				case UPDATE_DT_NODE:
-					update_dt_node(phandle);
-					break;
-				case ADD_DT_NODE:
-					drc_index = *data++;
-					add_dt_node(phandle, drc_index);
-					break;
-				}
-			}
-		}
-	} while (rc == 1);
-
-	kfree(rtas_buf);
-	return rc;
-}
-
-void post_mobility_fixup(void)
-{
-	int rc;
-	int activate_fw_token;
-
-	rc = pseries_devicetree_update();
-	if (rc) {
-		printk(KERN_ERR "Initial post-mobility device tree update "
-		       "failed: %d\n", rc);
-		return;
-	}
-
-	activate_fw_token = rtas_token("ibm,activate-firmware");
-	if (activate_fw_token == RTAS_UNKNOWN_SERVICE) {
-		printk(KERN_ERR "Could not make post-mobility "
-		       "activate-fw call.\n");
-		return;
-	}
-
-	rc = rtas_call(activate_fw_token, 0, 1, NULL);
-	if (!rc) {
-		rc = pseries_devicetree_update();
-		if (rc)
-			printk(KERN_ERR "Secondary post-mobility device tree "
-			       "update failed: %d\n", rc);
-	} else {
-		printk(KERN_ERR "Post-mobility activate-fw failed: %d\n", rc);
-		return;
-	}
-
-	return;
-}
-
-static ssize_t migrate_store(struct class *class, struct class_attribute *attr,
-			     const char *buf, size_t count)
-{
-	struct rtas_args args;
-	u64 streamid;
-	int rc;
-
-	rc = strict_strtoull(buf, 0, &streamid);
-	if (rc)
-		return rc;
-
-	memset(&args, 0, sizeof(args));
-	args.token = rtas_token("ibm,suspend-me");
-	args.nargs = 2;
-	args.nret = 1;
-
-	args.args[0] = streamid >> 32 ;
-	args.args[1] = streamid & 0xffffffff;
-	args.rets = &args.args[args.nargs];
-
-	do {
-		args.rets[0] = 0;
-		rc = rtas_ibm_suspend_me(&args);
-		if (!rc && args.rets[0] == RTAS_NOT_SUSPENDABLE)
-			ssleep(1);
-	} while (!rc && args.rets[0] == RTAS_NOT_SUSPENDABLE);
-
-	if (rc)
-		return rc;
-	else if (args.rets[0])
-		return args.rets[0];
-
-	post_mobility_fixup();
-	return count;
-}
-
-static CLASS_ATTR(migration, S_IWUSR, NULL, migrate_store);
-
-static int __init mobility_sysfs_init(void)
-{
-	int rc;
-
-	mobility_kobj = kobject_create_and_add("mobility", kernel_kobj);
-	if (!mobility_kobj)
-		return -ENOMEM;
-
-	rc = sysfs_create_file(mobility_kobj, &class_attr_migration.attr);
-
-	return rc;
-}
-device_initcall(mobility_sysfs_init);