Merge with Paulus

6 files changed, 4 insertions, 2647 deletions

diff --git a/arch/ppc64/kernel/Makefile b/arch/ppc64/kernel/Makefile
index 990df0905c87..430cb3900a07 100644
--- a/arch/ppc64/kernel/Makefile
+++ b/arch/ppc64/kernel/Makefile
@@ -12,7 +12,6 @@ obj-y               :=	misc.o prom.o
 endif
 
 obj-y               +=	irq.o idle.o dma.o \
-			signal.o \
 			align.o pacaData.o \
 			udbg.o ioctl32.o \
 			rtc.o \
@@ -29,19 +28,17 @@ ifneq ($(CONFIG_PPC_MERGE),y)
 obj-$(CONFIG_PPC_MULTIPLATFORM) += prom_init.o
 endif
 
-obj-$(CONFIG_PPC_PSERIES) += rtasd.o udbg_16550.o
+obj-$(CONFIG_PPC_PSERIES) += udbg_16550.o
 
 obj-$(CONFIG_KEXEC)		+= machine_kexec.o
 obj-$(CONFIG_EEH)		+= eeh.o
 obj-$(CONFIG_PROC_FS)		+= proc_ppc64.o
-obj-$(CONFIG_RTAS_FLASH)	+= rtas_flash.o
 obj-$(CONFIG_SMP)		+= smp.o
 obj-$(CONFIG_MODULES)		+= module.o
 ifneq ($(CONFIG_PPC_MERGE),y)
 obj-$(CONFIG_MODULES)		+= ppc_ksyms.o
 endif
 obj-$(CONFIG_PPC_RTAS)		+= rtas_pci.o
-obj-$(CONFIG_RTAS_PROC)		+= rtas-proc.o
 obj-$(CONFIG_SCANLOG)		+= scanlog.o
 obj-$(CONFIG_LPARCFG)		+= lparcfg.o
 obj-$(CONFIG_HVC_CONSOLE)	+= hvconsole.o
diff --git a/arch/ppc64/kernel/pci_dn.c b/arch/ppc64/kernel/pci_dn.c
index 493bbe43f5b4..1a443a7ada4c 100644
--- a/arch/ppc64/kernel/pci_dn.c
+++ b/arch/ppc64/kernel/pci_dn.c
@@ -181,13 +181,14 @@ EXPORT_SYMBOL(fetch_dev_dn);
 static int pci_dn_reconfig_notifier(struct notifier_block *nb, unsigned long action, void *node)
 {
 	struct device_node *np = node;
-	struct pci_dn *pci;
+	struct pci_dn *pci = NULL;
 	int err = NOTIFY_OK;
 
 	switch (action) {
 	case PSERIES_RECONFIG_ADD:
 		pci = np->parent->data;
-		update_dn_pci_info(np, pci->phb);
+		if (pci)
+			update_dn_pci_info(np, pci->phb);
 		break;
 	default:
 		err = NOTIFY_DONE;
diff --git a/arch/ppc64/kernel/rtas-proc.c b/arch/ppc64/kernel/rtas-proc.c
deleted file mode 100644
index 5bdd5b079d96..000000000000
--- a/arch/ppc64/kernel/rtas-proc.c
+++ /dev/null
@@ -1,808 +0,0 @@
-/*
- *   arch/ppc64/kernel/rtas-proc.c
- *   Copyright (C) 2000 Tilmann Bitterberg
- *   (tilmann@bitterberg.de)
- *
- *   RTAS (Runtime Abstraction Services) stuff
- *   Intention is to provide a clean user interface
- *   to use the RTAS.
- *
- *   TODO:
- *   Split off a header file and maybe move it to a different
- *   location. Write Documentation on what the /proc/rtas/ entries
- *   actually do.
- */
-
-#include <linux/errno.h>
-#include <linux/sched.h>
-#include <linux/proc_fs.h>
-#include <linux/stat.h>
-#include <linux/ctype.h>
-#include <linux/time.h>
-#include <linux/string.h>
-#include <linux/init.h>
-#include <linux/seq_file.h>
-#include <linux/bitops.h>
-#include <linux/rtc.h>
-
-#include <asm/uaccess.h>
-#include <asm/processor.h>
-#include <asm/io.h>
-#include <asm/prom.h>
-#include <asm/rtas.h>
-#include <asm/machdep.h> /* for ppc_md */
-#include <asm/time.h>
-#include <asm/systemcfg.h>
-
-/* Token for Sensors */
-#define KEY_SWITCH		0x0001
-#define ENCLOSURE_SWITCH	0x0002
-#define THERMAL_SENSOR		0x0003
-#define LID_STATUS		0x0004
-#define POWER_SOURCE		0x0005
-#define BATTERY_VOLTAGE		0x0006
-#define BATTERY_REMAINING	0x0007
-#define BATTERY_PERCENTAGE	0x0008
-#define EPOW_SENSOR		0x0009
-#define BATTERY_CYCLESTATE	0x000a
-#define BATTERY_CHARGING	0x000b
-
-/* IBM specific sensors */
-#define IBM_SURVEILLANCE	0x2328 /* 9000 */
-#define IBM_FANRPM		0x2329 /* 9001 */
-#define IBM_VOLTAGE		0x232a /* 9002 */
-#define IBM_DRCONNECTOR		0x232b /* 9003 */
-#define IBM_POWERSUPPLY		0x232c /* 9004 */
-
-/* Status return values */
-#define SENSOR_CRITICAL_HIGH	13
-#define SENSOR_WARNING_HIGH	12
-#define SENSOR_NORMAL		11
-#define SENSOR_WARNING_LOW	10
-#define SENSOR_CRITICAL_LOW	 9
-#define SENSOR_SUCCESS		 0
-#define SENSOR_HW_ERROR		-1
-#define SENSOR_BUSY		-2
-#define SENSOR_NOT_EXIST	-3
-#define SENSOR_DR_ENTITY	-9000
-
-/* Location Codes */
-#define LOC_SCSI_DEV_ADDR	'A'
-#define LOC_SCSI_DEV_LOC	'B'
-#define LOC_CPU			'C'
-#define LOC_DISKETTE		'D'
-#define LOC_ETHERNET		'E'
-#define LOC_FAN			'F'
-#define LOC_GRAPHICS		'G'
-/* reserved / not used		'H' */
-#define LOC_IO_ADAPTER		'I'
-/* reserved / not used		'J' */
-#define LOC_KEYBOARD		'K'
-#define LOC_LCD			'L'
-#define LOC_MEMORY		'M'
-#define LOC_NV_MEMORY		'N'
-#define LOC_MOUSE		'O'
-#define LOC_PLANAR		'P'
-#define LOC_OTHER_IO		'Q'
-#define LOC_PARALLEL		'R'
-#define LOC_SERIAL		'S'
-#define LOC_DEAD_RING		'T'
-#define LOC_RACKMOUNTED		'U' /* for _u_nit is rack mounted */
-#define LOC_VOLTAGE		'V'
-#define LOC_SWITCH_ADAPTER	'W'
-#define LOC_OTHER		'X'
-#define LOC_FIRMWARE		'Y'
-#define LOC_SCSI		'Z'
-
-/* Tokens for indicators */
-#define TONE_FREQUENCY		0x0001 /* 0 - 1000 (HZ)*/
-#define TONE_VOLUME		0x0002 /* 0 - 100 (%) */
-#define SYSTEM_POWER_STATE	0x0003 
-#define WARNING_LIGHT		0x0004
-#define DISK_ACTIVITY_LIGHT	0x0005
-#define HEX_DISPLAY_UNIT	0x0006
-#define BATTERY_WARNING_TIME	0x0007
-#define CONDITION_CYCLE_REQUEST	0x0008
-#define SURVEILLANCE_INDICATOR	0x2328 /* 9000 */
-#define DR_ACTION		0x2329 /* 9001 */
-#define DR_INDICATOR		0x232a /* 9002 */
-/* 9003 - 9004: Vendor specific */
-/* 9006 - 9999: Vendor specific */
-
-/* other */
-#define MAX_SENSORS		 17  /* I only know of 17 sensors */    
-#define MAX_LINELENGTH          256
-#define SENSOR_PREFIX		"ibm,sensor-"
-#define cel_to_fahr(x)		((x*9/5)+32)
-
-
-/* Globals */
-static struct rtas_sensors sensors;
-static struct device_node *rtas_node = NULL;
-static unsigned long power_on_time = 0; /* Save the time the user set */
-static char progress_led[MAX_LINELENGTH];
-
-static unsigned long rtas_tone_frequency = 1000;
-static unsigned long rtas_tone_volume = 0;
-
-/* ****************STRUCTS******************************************* */
-struct individual_sensor {
-	unsigned int token;
-	unsigned int quant;
-};
-
-struct rtas_sensors {
-        struct individual_sensor sensor[MAX_SENSORS];
-	unsigned int quant;
-};
-
-/* ****************************************************************** */
-/* Declarations */
-static int ppc_rtas_sensors_show(struct seq_file *m, void *v);
-static int ppc_rtas_clock_show(struct seq_file *m, void *v);
-static ssize_t ppc_rtas_clock_write(struct file *file,
-		const char __user *buf, size_t count, loff_t *ppos);
-static int ppc_rtas_progress_show(struct seq_file *m, void *v);
-static ssize_t ppc_rtas_progress_write(struct file *file,
-		const char __user *buf, size_t count, loff_t *ppos);
-static int ppc_rtas_poweron_show(struct seq_file *m, void *v);
-static ssize_t ppc_rtas_poweron_write(struct file *file,
-		const char __user *buf, size_t count, loff_t *ppos);
-
-static ssize_t ppc_rtas_tone_freq_write(struct file *file,
-		const char __user *buf, size_t count, loff_t *ppos);
-static int ppc_rtas_tone_freq_show(struct seq_file *m, void *v);
-static ssize_t ppc_rtas_tone_volume_write(struct file *file,
-		const char __user *buf, size_t count, loff_t *ppos);
-static int ppc_rtas_tone_volume_show(struct seq_file *m, void *v);
-static int ppc_rtas_rmo_buf_show(struct seq_file *m, void *v);
-
-static int sensors_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, ppc_rtas_sensors_show, NULL);
-}
-
-struct file_operations ppc_rtas_sensors_operations = {
-	.open		= sensors_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= single_release,
-};
-
-static int poweron_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, ppc_rtas_poweron_show, NULL);
-}
-
-struct file_operations ppc_rtas_poweron_operations = {
-	.open		= poweron_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.write		= ppc_rtas_poweron_write,
-	.release	= single_release,
-};
-
-static int progress_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, ppc_rtas_progress_show, NULL);
-}
-
-struct file_operations ppc_rtas_progress_operations = {
-	.open		= progress_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.write		= ppc_rtas_progress_write,
-	.release	= single_release,
-};
-
-static int clock_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, ppc_rtas_clock_show, NULL);
-}
-
-struct file_operations ppc_rtas_clock_operations = {
-	.open		= clock_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.write		= ppc_rtas_clock_write,
-	.release	= single_release,
-};
-
-static int tone_freq_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, ppc_rtas_tone_freq_show, NULL);
-}
-
-struct file_operations ppc_rtas_tone_freq_operations = {
-	.open		= tone_freq_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.write		= ppc_rtas_tone_freq_write,
-	.release	= single_release,
-};
-
-static int tone_volume_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, ppc_rtas_tone_volume_show, NULL);
-}
-
-struct file_operations ppc_rtas_tone_volume_operations = {
-	.open		= tone_volume_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.write		= ppc_rtas_tone_volume_write,
-	.release	= single_release,
-};
-
-static int rmo_buf_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, ppc_rtas_rmo_buf_show, NULL);
-}
-
-struct file_operations ppc_rtas_rmo_buf_ops = {
-	.open		= rmo_buf_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= single_release,
-};
-
-static int ppc_rtas_find_all_sensors(void);
-static void ppc_rtas_process_sensor(struct seq_file *m,
-	struct individual_sensor *s, int state, int error, char *loc);
-static char *ppc_rtas_process_error(int error);
-static void get_location_code(struct seq_file *m,
-	struct individual_sensor *s, char *loc);
-static void check_location_string(struct seq_file *m, char *c);
-static void check_location(struct seq_file *m, char *c);
-
-static int __init proc_rtas_init(void)
-{
-	struct proc_dir_entry *entry;
-
-	if (!(systemcfg->platform & PLATFORM_PSERIES))
-		return 1;
-
-	rtas_node = of_find_node_by_name(NULL, "rtas");
-	if (rtas_node == NULL)
-		return 1;
-
-	entry = create_proc_entry("ppc64/rtas/progress", S_IRUGO|S_IWUSR, NULL);
-	if (entry)
-		entry->proc_fops = &ppc_rtas_progress_operations;
-
-	entry = create_proc_entry("ppc64/rtas/clock", S_IRUGO|S_IWUSR, NULL);
-	if (entry)
-		entry->proc_fops = &ppc_rtas_clock_operations;
-
-	entry = create_proc_entry("ppc64/rtas/poweron", S_IWUSR|S_IRUGO, NULL);
-	if (entry)
-		entry->proc_fops = &ppc_rtas_poweron_operations;
-
-	entry = create_proc_entry("ppc64/rtas/sensors", S_IRUGO, NULL);
-	if (entry)
-		entry->proc_fops = &ppc_rtas_sensors_operations;
-
-	entry = create_proc_entry("ppc64/rtas/frequency", S_IWUSR|S_IRUGO,
-				  NULL);
-	if (entry)
-		entry->proc_fops = &ppc_rtas_tone_freq_operations;
-
-	entry = create_proc_entry("ppc64/rtas/volume", S_IWUSR|S_IRUGO, NULL);
-	if (entry)
-		entry->proc_fops = &ppc_rtas_tone_volume_operations;
-
-	entry = create_proc_entry("ppc64/rtas/rmo_buffer", S_IRUSR, NULL);
-	if (entry)
-		entry->proc_fops = &ppc_rtas_rmo_buf_ops;
-
-	return 0;
-}
-
-__initcall(proc_rtas_init);
-
-static int parse_number(const char __user *p, size_t count, unsigned long *val)
-{
-	char buf[40];
-	char *end;
-
-	if (count > 39)
-		return -EINVAL;
-
-	if (copy_from_user(buf, p, count))
-		return -EFAULT;
-
-	buf[count] = 0;
-
-	*val = simple_strtoul(buf, &end, 10);
-	if (*end && *end != '\n')
-		return -EINVAL;
-
-	return 0;
-}
-
-/* ****************************************************************** */
-/* POWER-ON-TIME                                                      */
-/* ****************************************************************** */
-static ssize_t ppc_rtas_poweron_write(struct file *file,
-		const char __user *buf, size_t count, loff_t *ppos)
-{
-	struct rtc_time tm;
-	unsigned long nowtime;
-	int error = parse_number(buf, count, &nowtime);
-	if (error)
-		return error;
-
-	power_on_time = nowtime; /* save the time */
-
-	to_tm(nowtime, &tm);
-
-	error = rtas_call(rtas_token("set-time-for-power-on"), 7, 1, NULL, 
-			tm.tm_year, tm.tm_mon, tm.tm_mday, 
-			tm.tm_hour, tm.tm_min, tm.tm_sec, 0 /* nano */);
-	if (error)
-		printk(KERN_WARNING "error: setting poweron time returned: %s\n", 
-				ppc_rtas_process_error(error));
-	return count;
-}
-/* ****************************************************************** */
-static int ppc_rtas_poweron_show(struct seq_file *m, void *v)
-{
-	if (power_on_time == 0)
-		seq_printf(m, "Power on time not set\n");
-	else
-		seq_printf(m, "%lu\n",power_on_time);
-	return 0;
-}
-
-/* ****************************************************************** */
-/* PROGRESS                                                           */
-/* ****************************************************************** */
-static ssize_t ppc_rtas_progress_write(struct file *file,
-		const char __user *buf, size_t count, loff_t *ppos)
-{
-	unsigned long hex;
-
-	if (count >= MAX_LINELENGTH)
-		count = MAX_LINELENGTH -1;
-	if (copy_from_user(progress_led, buf, count)) { /* save the string */
-		return -EFAULT;
-	}
-	progress_led[count] = 0;
-
-	/* Lets see if the user passed hexdigits */
-	hex = simple_strtoul(progress_led, NULL, 10);
-
-	rtas_progress ((char *)progress_led, hex);
-	return count;
-
-	/* clear the line */
-	/* rtas_progress("                   ", 0xffff);*/
-}
-/* ****************************************************************** */
-static int ppc_rtas_progress_show(struct seq_file *m, void *v)
-{
-	if (progress_led)
-		seq_printf(m, "%s\n", progress_led);
-	return 0;
-}
-
-/* ****************************************************************** */
-/* CLOCK                                                              */
-/* ****************************************************************** */
-static ssize_t ppc_rtas_clock_write(struct file *file,
-		const char __user *buf, size_t count, loff_t *ppos)
-{
-	struct rtc_time tm;
-	unsigned long nowtime;
-	int error = parse_number(buf, count, &nowtime);
-	if (error)
-		return error;
-
-	to_tm(nowtime, &tm);
-	error = rtas_call(rtas_token("set-time-of-day"), 7, 1, NULL, 
-			tm.tm_year, tm.tm_mon, tm.tm_mday, 
-			tm.tm_hour, tm.tm_min, tm.tm_sec, 0);
-	if (error)
-		printk(KERN_WARNING "error: setting the clock returned: %s\n", 
-				ppc_rtas_process_error(error));
-	return count;
-}
-/* ****************************************************************** */
-static int ppc_rtas_clock_show(struct seq_file *m, void *v)
-{
-	int ret[8];
-	int error = rtas_call(rtas_token("get-time-of-day"), 0, 8, ret);
-
-	if (error) {
-		printk(KERN_WARNING "error: reading the clock returned: %s\n", 
-				ppc_rtas_process_error(error));
-		seq_printf(m, "0");
-	} else { 
-		unsigned int year, mon, day, hour, min, sec;
-		year = ret[0]; mon  = ret[1]; day  = ret[2];
-		hour = ret[3]; min  = ret[4]; sec  = ret[5];
-		seq_printf(m, "%lu\n",
-				mktime(year, mon, day, hour, min, sec));
-	}
-	return 0;
-}
-
-/* ****************************************************************** */
-/* SENSOR STUFF                                                       */
-/* ****************************************************************** */
-static int ppc_rtas_sensors_show(struct seq_file *m, void *v)
-{
-	int i,j;
-	int state, error;
-	int get_sensor_state = rtas_token("get-sensor-state");
-
-	seq_printf(m, "RTAS (RunTime Abstraction Services) Sensor Information\n");
-	seq_printf(m, "Sensor\t\tValue\t\tCondition\tLocation\n");
-	seq_printf(m, "********************************************************\n");
-
-	if (ppc_rtas_find_all_sensors() != 0) {
-		seq_printf(m, "\nNo sensors are available\n");
-		return 0;
-	}
-
-	for (i=0; i<sensors.quant; i++) {
-		struct individual_sensor *p = &sensors.sensor[i];
-		char rstr[64];
-		char *loc;
-		int llen, offs;
-
-		sprintf (rstr, SENSOR_PREFIX"%04d", p->token);
-		loc = (char *) get_property(rtas_node, rstr, &llen);
-
-		/* A sensor may have multiple instances */
-		for (j = 0, offs = 0; j <= p->quant; j++) {
-			error =	rtas_call(get_sensor_state, 2, 2, &state, 
-				  	  p->token, j);
-
-			ppc_rtas_process_sensor(m, p, state, error, loc);
-			seq_putc(m, '\n');
-			if (loc) {
-				offs += strlen(loc) + 1;
-				loc += strlen(loc) + 1;
-				if (offs >= llen)
-					loc = NULL;
-			}
-		}
-	}
-	return 0;
-}
-
-/* ****************************************************************** */
-
-static int ppc_rtas_find_all_sensors(void)
-{
-	unsigned int *utmp;
-	int len, i;
-
-	utmp = (unsigned int *) get_property(rtas_node, "rtas-sensors", &len);
-	if (utmp == NULL) {
-		printk (KERN_ERR "error: could not get rtas-sensors\n");
-		return 1;
-	}
-
-	sensors.quant = len / 8;      /* int + int */
-
-	for (i=0; i<sensors.quant; i++) {
-		sensors.sensor[i].token = *utmp++;
-		sensors.sensor[i].quant = *utmp++;
-	}
-	return 0;
-}
-
-/* ****************************************************************** */
-/*
- * Builds a string of what rtas returned
- */
-static char *ppc_rtas_process_error(int error)
-{
-	switch (error) {
-		case SENSOR_CRITICAL_HIGH:
-			return "(critical high)";
-		case SENSOR_WARNING_HIGH:
-			return "(warning high)";
-		case SENSOR_NORMAL:
-			return "(normal)";
-		case SENSOR_WARNING_LOW:
-			return "(warning low)";
-		case SENSOR_CRITICAL_LOW:
-			return "(critical low)";
-		case SENSOR_SUCCESS:
-			return "(read ok)";
-		case SENSOR_HW_ERROR:
-			return "(hardware error)";
-		case SENSOR_BUSY:
-			return "(busy)";
-		case SENSOR_NOT_EXIST:
-			return "(non existent)";
-		case SENSOR_DR_ENTITY:
-			return "(dr entity removed)";
-		default:
-			return "(UNKNOWN)";
-	}
-}
-
-/* ****************************************************************** */
-/*
- * Builds a string out of what the sensor said
- */
-
-static void ppc_rtas_process_sensor(struct seq_file *m,
-	struct individual_sensor *s, int state, int error, char *loc)
-{
-	/* Defined return vales */
-	const char * key_switch[]        = { "Off\t", "Normal\t", "Secure\t", 
-						"Maintenance" };
-	const char * enclosure_switch[]  = { "Closed", "Open" };
-	const char * lid_status[]        = { " ", "Open", "Closed" };
-	const char * power_source[]      = { "AC\t", "Battery", 
-		  				"AC & Battery" };
-	const char * battery_remaining[] = { "Very Low", "Low", "Mid", "High" };
-	const char * epow_sensor[]       = { 
-		"EPOW Reset", "Cooling warning", "Power warning",
-		"System shutdown", "System halt", "EPOW main enclosure",
-		"EPOW power off" };
-	const char * battery_cyclestate[]  = { "None", "In progress", 
-						"Requested" };
-	const char * battery_charging[]    = { "Charging", "Discharching", 
-						"No current flow" };
-	const char * ibm_drconnector[]     = { "Empty", "Present", "Unusable", 
-						"Exchange" };
-
-	int have_strings = 0;
-	int num_states = 0;
-	int temperature = 0;
-	int unknown = 0;
-
-	/* What kind of sensor do we have here? */
-	
-	switch (s->token) {
-		case KEY_SWITCH:
-			seq_printf(m, "Key switch:\t");
-			num_states = sizeof(key_switch) / sizeof(char *);
-			if (state < num_states) {
-				seq_printf(m, "%s\t", key_switch[state]);
-				have_strings = 1;
-			}
-			break;
-		case ENCLOSURE_SWITCH:
-			seq_printf(m, "Enclosure switch:\t");
-			num_states = sizeof(enclosure_switch) / sizeof(char *);
-			if (state < num_states) {
-				seq_printf(m, "%s\t", 
-						enclosure_switch[state]);
-				have_strings = 1;
-			}
-			break;
-		case THERMAL_SENSOR:
-			seq_printf(m, "Temp. (C/F):\t");
-			temperature = 1;
-			break;
-		case LID_STATUS:
-			seq_printf(m, "Lid status:\t");
-			num_states = sizeof(lid_status) / sizeof(char *);
-			if (state < num_states) {
-				seq_printf(m, "%s\t", lid_status[state]);
-				have_strings = 1;
-			}
-			break;
-		case POWER_SOURCE:
-			seq_printf(m, "Power source:\t");
-			num_states = sizeof(power_source) / sizeof(char *);
-			if (state < num_states) {
-				seq_printf(m, "%s\t", 
-						power_source[state]);
-				have_strings = 1;
-			}
-			break;
-		case BATTERY_VOLTAGE:
-			seq_printf(m, "Battery voltage:\t");
-			break;
-		case BATTERY_REMAINING:
-			seq_printf(m, "Battery remaining:\t");
-			num_states = sizeof(battery_remaining) / sizeof(char *);
-			if (state < num_states)
-			{
-				seq_printf(m, "%s\t", 
-						battery_remaining[state]);
-				have_strings = 1;
-			}
-			break;
-		case BATTERY_PERCENTAGE:
-			seq_printf(m, "Battery percentage:\t");
-			break;
-		case EPOW_SENSOR:
-			seq_printf(m, "EPOW Sensor:\t");
-			num_states = sizeof(epow_sensor) / sizeof(char *);
-			if (state < num_states) {
-				seq_printf(m, "%s\t", epow_sensor[state]);
-				have_strings = 1;
-			}
-			break;
-		case BATTERY_CYCLESTATE:
-			seq_printf(m, "Battery cyclestate:\t");
-			num_states = sizeof(battery_cyclestate) / 
-				     	sizeof(char *);
-			if (state < num_states) {
-				seq_printf(m, "%s\t", 
-						battery_cyclestate[state]);
-				have_strings = 1;
-			}
-			break;
-		case BATTERY_CHARGING:
-			seq_printf(m, "Battery Charging:\t");
-			num_states = sizeof(battery_charging) / sizeof(char *);
-			if (state < num_states) {
-				seq_printf(m, "%s\t", 
-						battery_charging[state]);
-				have_strings = 1;
-			}
-			break;
-		case IBM_SURVEILLANCE:
-			seq_printf(m, "Surveillance:\t");
-			break;
-		case IBM_FANRPM:
-			seq_printf(m, "Fan (rpm):\t");
-			break;
-		case IBM_VOLTAGE:
-			seq_printf(m, "Voltage (mv):\t");
-			break;
-		case IBM_DRCONNECTOR:
-			seq_printf(m, "DR connector:\t");
-			num_states = sizeof(ibm_drconnector) / sizeof(char *);
-			if (state < num_states) {
-				seq_printf(m, "%s\t", 
-						ibm_drconnector[state]);
-				have_strings = 1;
-			}
-			break;
-		case IBM_POWERSUPPLY:
-			seq_printf(m, "Powersupply:\t");
-			break;
-		default:
-			seq_printf(m,  "Unknown sensor (type %d), ignoring it\n",
-					s->token);
-			unknown = 1;
-			have_strings = 1;
-			break;
-	}
-	if (have_strings == 0) {
-		if (temperature) {
-			seq_printf(m, "%4d /%4d\t", state, cel_to_fahr(state));
-		} else
-			seq_printf(m, "%10d\t", state);
-	}
-	if (unknown == 0) {
-		seq_printf(m, "%s\t", ppc_rtas_process_error(error));
-		get_location_code(m, s, loc);
-	}
-}
-
-/* ****************************************************************** */
-
-static void check_location(struct seq_file *m, char *c)
-{
-	switch (c[0]) {
-		case LOC_PLANAR:
-			seq_printf(m, "Planar #%c", c[1]);
-			break;
-		case LOC_CPU:
-			seq_printf(m, "CPU #%c", c[1]);
-			break;
-		case LOC_FAN:
-			seq_printf(m, "Fan #%c", c[1]);
-			break;
-		case LOC_RACKMOUNTED:
-			seq_printf(m, "Rack #%c", c[1]);
-			break;
-		case LOC_VOLTAGE:
-			seq_printf(m, "Voltage #%c", c[1]);
-			break;
-		case LOC_LCD:
-			seq_printf(m, "LCD #%c", c[1]);
-			break;
-		case '.':
-			seq_printf(m, "- %c", c[1]);
-			break;
-		default:
-			seq_printf(m, "Unknown location");
-			break;
-	}
-}
-
-
-/* ****************************************************************** */
-/* 
- * Format: 
- * ${LETTER}${NUMBER}[[-/]${LETTER}${NUMBER} [ ... ] ]
- * the '.' may be an abbrevation
- */
-static void check_location_string(struct seq_file *m, char *c)
-{
-	while (*c) {
-		if (isalpha(*c) || *c == '.')
-			check_location(m, c);
-		else if (*c == '/' || *c == '-')
-			seq_printf(m, " at ");
-		c++;
-	}
-}
-
-
-/* ****************************************************************** */
-
-static void get_location_code(struct seq_file *m, struct individual_sensor *s, char *loc)
-{
-	if (!loc || !*loc) {
-		seq_printf(m, "---");/* does not have a location */
-	} else {
-		check_location_string(m, loc);
-	}
-	seq_putc(m, ' ');
-}
-/* ****************************************************************** */
-/* INDICATORS - Tone Frequency                                        */
-/* ****************************************************************** */
-static ssize_t ppc_rtas_tone_freq_write(struct file *file,
-		const char __user *buf, size_t count, loff_t *ppos)
-{
-	unsigned long freq;
-	int error = parse_number(buf, count, &freq);
-	if (error)
-		return error;
-
-	rtas_tone_frequency = freq; /* save it for later */
-	error = rtas_call(rtas_token("set-indicator"), 3, 1, NULL,
-			TONE_FREQUENCY, 0, freq);
-	if (error)
-		printk(KERN_WARNING "error: setting tone frequency returned: %s\n", 
-				ppc_rtas_process_error(error));
-	return count;
-}
-/* ****************************************************************** */
-static int ppc_rtas_tone_freq_show(struct seq_file *m, void *v)
-{
-	seq_printf(m, "%lu\n", rtas_tone_frequency);
-	return 0;
-}
-/* ****************************************************************** */
-/* INDICATORS - Tone Volume                                           */
-/* ****************************************************************** */
-static ssize_t ppc_rtas_tone_volume_write(struct file *file,
-		const char __user *buf, size_t count, loff_t *ppos)
-{
-	unsigned long volume;
-	int error = parse_number(buf, count, &volume);
-	if (error)
-		return error;
-
-	if (volume > 100)
-		volume = 100;
-	
-        rtas_tone_volume = volume; /* save it for later */
-	error = rtas_call(rtas_token("set-indicator"), 3, 1, NULL,
-			TONE_VOLUME, 0, volume);
-	if (error)
-		printk(KERN_WARNING "error: setting tone volume returned: %s\n", 
-				ppc_rtas_process_error(error));
-	return count;
-}
-/* ****************************************************************** */
-static int ppc_rtas_tone_volume_show(struct seq_file *m, void *v)
-{
-	seq_printf(m, "%lu\n", rtas_tone_volume);
-	return 0;
-}
-
-#define RMO_READ_BUF_MAX 30
-
-/* RTAS Userspace access */
-static int ppc_rtas_rmo_buf_show(struct seq_file *m, void *v)
-{
-	seq_printf(m, "%016lx %x\n", rtas_rmo_buf, RTAS_RMOBUF_MAX);
-	return 0;
-}
diff --git a/arch/ppc64/kernel/rtas_flash.c b/arch/ppc64/kernel/rtas_flash.c
deleted file mode 100644
index 923e2e201a70..000000000000
--- a/arch/ppc64/kernel/rtas_flash.c
+++ /dev/null
@@ -1,725 +0,0 @@
-/*
- *  c 2001 PPC 64 Team, IBM Corp
- *
- *      This program is free software; you can redistribute it and/or
- *      modify it under the terms of the GNU General Public License
- *      as published by the Free Software Foundation; either version
- *      2 of the License, or (at your option) any later version.
- *
- * /proc/ppc64/rtas/firmware_flash interface
- *
- * This file implements a firmware_flash interface to pump a firmware
- * image into the kernel.  At reboot time rtas_restart() will see the
- * firmware image and flash it as it reboots (see rtas.c).
- */
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/proc_fs.h>
-#include <asm/delay.h>
-#include <asm/uaccess.h>
-#include <asm/rtas.h>
-
-#define MODULE_VERS "1.0"
-#define MODULE_NAME "rtas_flash"
-
-#define FIRMWARE_FLASH_NAME "firmware_flash"   
-#define FIRMWARE_UPDATE_NAME "firmware_update"
-#define MANAGE_FLASH_NAME "manage_flash"
-#define VALIDATE_FLASH_NAME "validate_flash"
-
-/* General RTAS Status Codes */
-#define RTAS_RC_SUCCESS  0
-#define RTAS_RC_HW_ERR	-1
-#define RTAS_RC_BUSY	-2
-
-/* Flash image status values */
-#define FLASH_AUTH           -9002 /* RTAS Not Service Authority Partition */
-#define FLASH_NO_OP          -1099 /* No operation initiated by user */	
-#define FLASH_IMG_SHORT	     -1005 /* Flash image shorter than expected */
-#define FLASH_IMG_BAD_LEN    -1004 /* Bad length value in flash list block */
-#define FLASH_IMG_NULL_DATA  -1003 /* Bad data value in flash list block */
-#define FLASH_IMG_READY      0     /* Firmware img ready for flash on reboot */
-
-/* Manage image status values */
-#define MANAGE_AUTH          -9002 /* RTAS Not Service Authority Partition */
-#define MANAGE_ACTIVE_ERR    -9001 /* RTAS Cannot Overwrite Active Img */
-#define MANAGE_NO_OP         -1099 /* No operation initiated by user */
-#define MANAGE_PARAM_ERR     -3    /* RTAS Parameter Error */
-#define MANAGE_HW_ERR        -1    /* RTAS Hardware Error */
-
-/* Validate image status values */
-#define VALIDATE_AUTH          -9002 /* RTAS Not Service Authority Partition */
-#define VALIDATE_NO_OP         -1099 /* No operation initiated by the user */
-#define VALIDATE_INCOMPLETE    -1002 /* User copied < VALIDATE_BUF_SIZE */
-#define VALIDATE_READY	       -1001 /* Firmware image ready for validation */
-#define VALIDATE_PARAM_ERR     -3    /* RTAS Parameter Error */
-#define VALIDATE_HW_ERR        -1    /* RTAS Hardware Error */
-#define VALIDATE_TMP_UPDATE    0     /* Validate Return Status */
-#define VALIDATE_FLASH_AUTH    1     /* Validate Return Status */
-#define VALIDATE_INVALID_IMG   2     /* Validate Return Status */
-#define VALIDATE_CUR_UNKNOWN   3     /* Validate Return Status */
-#define VALIDATE_TMP_COMMIT_DL 4     /* Validate Return Status */
-#define VALIDATE_TMP_COMMIT    5     /* Validate Return Status */
-#define VALIDATE_TMP_UPDATE_DL 6     /* Validate Return Status */
-
-/* ibm,manage-flash-image operation tokens */
-#define RTAS_REJECT_TMP_IMG   0
-#define RTAS_COMMIT_TMP_IMG   1
-
-/* Array sizes */
-#define VALIDATE_BUF_SIZE 4096    
-#define RTAS_MSG_MAXLEN   64
-
-/* Local copy of the flash block list.
- * We only allow one open of the flash proc file and create this
- * list as we go.  This list will be put in the kernel's
- * rtas_firmware_flash_list global var once it is fully read.
- *
- * For convenience as we build the list we use virtual addrs,
- * we do not fill in the version number, and the length field
- * is treated as the number of entries currently in the block
- * (i.e. not a byte count).  This is all fixed on release.
- */
-
-/* Status int must be first member of struct */
-struct rtas_update_flash_t
-{
-	int status;			/* Flash update status */
-	struct flash_block_list *flist; /* Local copy of flash block list */
-};
-
-/* Status int must be first member of struct */
-struct rtas_manage_flash_t
-{
-	int status;			/* Returned status */
-	unsigned int op;		/* Reject or commit image */
-};
-
-/* Status int must be first member of struct */
-struct rtas_validate_flash_t
-{
-	int status;		 	/* Returned status */	
-	char buf[VALIDATE_BUF_SIZE]; 	/* Candidate image buffer */
-	unsigned int buf_size;		/* Size of image buf */
-	unsigned int update_results;	/* Update results token */
-};
-
-static DEFINE_SPINLOCK(flash_file_open_lock);
-static struct proc_dir_entry *firmware_flash_pde;
-static struct proc_dir_entry *firmware_update_pde;
-static struct proc_dir_entry *validate_pde;
-static struct proc_dir_entry *manage_pde;
-
-/* Do simple sanity checks on the flash image. */
-static int flash_list_valid(struct flash_block_list *flist)
-{
-	struct flash_block_list *f;
-	int i;
-	unsigned long block_size, image_size;
-
-	/* Paranoid self test here.  We also collect the image size. */
-	image_size = 0;
-	for (f = flist; f; f = f->next) {
-		for (i = 0; i < f->num_blocks; i++) {
-			if (f->blocks[i].data == NULL) {
-				return FLASH_IMG_NULL_DATA;
-			}
-			block_size = f->blocks[i].length;
-			if (block_size <= 0 || block_size > PAGE_SIZE) {
-				return FLASH_IMG_BAD_LEN;
-			}
-			image_size += block_size;
-		}
-	}
-
-	if (image_size < (256 << 10)) {
-		if (image_size < 2) 
-			return FLASH_NO_OP;
-	}
-
-	printk(KERN_INFO "FLASH: flash image with %ld bytes stored for hardware flash on reboot\n", image_size);
-
-	return FLASH_IMG_READY;
-}
-
-static void free_flash_list(struct flash_block_list *f)
-{
-	struct flash_block_list *next;
-	int i;
-
-	while (f) {
-		for (i = 0; i < f->num_blocks; i++)
-			free_page((unsigned long)(f->blocks[i].data));
-		next = f->next;
-		free_page((unsigned long)f);
-		f = next;
-	}
-}
-
-static int rtas_flash_release(struct inode *inode, struct file *file)
-{
-	struct proc_dir_entry *dp = PDE(file->f_dentry->d_inode);
-	struct rtas_update_flash_t *uf;
-	
-	uf = (struct rtas_update_flash_t *) dp->data;
-	if (uf->flist) {    
-		/* File was opened in write mode for a new flash attempt */
-		/* Clear saved list */
-		if (rtas_firmware_flash_list.next) {
-			free_flash_list(rtas_firmware_flash_list.next);
-			rtas_firmware_flash_list.next = NULL;
-		}
-
-		if (uf->status != FLASH_AUTH)  
-			uf->status = flash_list_valid(uf->flist);
-
-		if (uf->status == FLASH_IMG_READY) 
-			rtas_firmware_flash_list.next = uf->flist;
-		else
-			free_flash_list(uf->flist);
-
-		uf->flist = NULL;
-	}
-
-	atomic_dec(&dp->count);
-	return 0;
-}
-
-static void get_flash_status_msg(int status, char *buf)
-{
-	char *msg;
-
-	switch (status) {
-	case FLASH_AUTH:
-		msg = "error: this partition does not have service authority\n";
-		break;
-	case FLASH_NO_OP:
-		msg = "info: no firmware image for flash\n";
-		break;
-	case FLASH_IMG_SHORT:
-		msg = "error: flash image short\n";
-		break;
-	case FLASH_IMG_BAD_LEN:
-		msg = "error: internal error bad length\n";
-		break;
-	case FLASH_IMG_NULL_DATA:
-		msg = "error: internal error null data\n";
-		break;
-	case FLASH_IMG_READY:
-		msg = "ready: firmware image ready for flash on reboot\n";
-		break;
-	default:
-		sprintf(buf, "error: unexpected status value %d\n", status);
-		return;
-	}
-
-	strcpy(buf, msg);	
-}
-
-/* Reading the proc file will show status (not the firmware contents) */
-static ssize_t rtas_flash_read(struct file *file, char __user *buf,
-			       size_t count, loff_t *ppos)
-{
-	struct proc_dir_entry *dp = PDE(file->f_dentry->d_inode);
-	struct rtas_update_flash_t *uf;
-	char msg[RTAS_MSG_MAXLEN];
-	int msglen;
-
-	uf = (struct rtas_update_flash_t *) dp->data;
-
-	if (!strcmp(dp->name, FIRMWARE_FLASH_NAME)) {
-		get_flash_status_msg(uf->status, msg);
-	} else {	   /* FIRMWARE_UPDATE_NAME */
-		sprintf(msg, "%d\n", uf->status);
-	}
-	msglen = strlen(msg);
-	if (msglen > count)
-		msglen = count;
-
-	if (ppos && *ppos != 0)
-		return 0;	/* be cheap */
-
-	if (!access_ok(VERIFY_WRITE, buf, msglen))
-		return -EINVAL;
-
-	if (copy_to_user(buf, msg, msglen))
-		return -EFAULT;
-
-	if (ppos)
-		*ppos = msglen;
-	return msglen;
-}
-
-/* We could be much more efficient here.  But to keep this function
- * simple we allocate a page to the block list no matter how small the
- * count is.  If the system is low on memory it will be just as well
- * that we fail....
- */
-static ssize_t rtas_flash_write(struct file *file, const char __user *buffer,
-				size_t count, loff_t *off)
-{
-	struct proc_dir_entry *dp = PDE(file->f_dentry->d_inode);
-	struct rtas_update_flash_t *uf;
-	char *p;
-	int next_free;
-	struct flash_block_list *fl;
-
-	uf = (struct rtas_update_flash_t *) dp->data;
-
-	if (uf->status == FLASH_AUTH || count == 0)
-		return count;	/* discard data */
-
-	/* In the case that the image is not ready for flashing, the memory
-	 * allocated for the block list will be freed upon the release of the 
-	 * proc file
-	 */
-	if (uf->flist == NULL) {
-		uf->flist = (struct flash_block_list *) get_zeroed_page(GFP_KERNEL);
-		if (!uf->flist)
-			return -ENOMEM;
-	}
-
-	fl = uf->flist;
-	while (fl->next)
-		fl = fl->next; /* seek to last block_list for append */
-	next_free = fl->num_blocks;
-	if (next_free == FLASH_BLOCKS_PER_NODE) {
-		/* Need to allocate another block_list */
-		fl->next = (struct flash_block_list *)get_zeroed_page(GFP_KERNEL);
-		if (!fl->next)
-			return -ENOMEM;
-		fl = fl->next;
-		next_free = 0;
-	}
-
-	if (count > PAGE_SIZE)
-		count = PAGE_SIZE;
-	p = (char *)get_zeroed_page(GFP_KERNEL);
-	if (!p)
-		return -ENOMEM;
-	
-	if(copy_from_user(p, buffer, count)) {
-		free_page((unsigned long)p);
-		return -EFAULT;
-	}
-	fl->blocks[next_free].data = p;
-	fl->blocks[next_free].length = count;
-	fl->num_blocks++;
-
-	return count;
-}
-
-static int rtas_excl_open(struct inode *inode, struct file *file)
-{
-	struct proc_dir_entry *dp = PDE(inode);
-
-	/* Enforce exclusive open with use count of PDE */
-	spin_lock(&flash_file_open_lock);
-	if (atomic_read(&dp->count) > 1) {
-		spin_unlock(&flash_file_open_lock);
-		return -EBUSY;
-	}
-
-	atomic_inc(&dp->count);
-	spin_unlock(&flash_file_open_lock);
-	
-	return 0;
-}
-
-static int rtas_excl_release(struct inode *inode, struct file *file)
-{
-	struct proc_dir_entry *dp = PDE(inode);
-
-	atomic_dec(&dp->count);
-
-	return 0;
-}
-
-static void manage_flash(struct rtas_manage_flash_t *args_buf)
-{
-	unsigned int wait_time;
-	s32 rc;
-
-	while (1) {
-		rc = rtas_call(rtas_token("ibm,manage-flash-image"), 1, 
-			       1, NULL, args_buf->op);
-		if (rc == RTAS_RC_BUSY)
-			udelay(1);
-		else if (rtas_is_extended_busy(rc)) {
-			wait_time = rtas_extended_busy_delay_time(rc);
-			udelay(wait_time * 1000);
-		} else
-			break;
-	}
-
-	args_buf->status = rc;
-}
-
-static ssize_t manage_flash_read(struct file *file, char __user *buf,
-			       size_t count, loff_t *ppos)
-{
-	struct proc_dir_entry *dp = PDE(file->f_dentry->d_inode);
-	struct rtas_manage_flash_t *args_buf;
-	char msg[RTAS_MSG_MAXLEN];
-	int msglen;
-
-	args_buf = (struct rtas_manage_flash_t *) dp->data;
-	if (args_buf == NULL)
-		return 0;
-
-	msglen = sprintf(msg, "%d\n", args_buf->status);
-	if (msglen > count)
-		msglen = count;
-
-	if (ppos && *ppos != 0)
-		return 0;	/* be cheap */
-
-	if (!access_ok(VERIFY_WRITE, buf, msglen))
-		return -EINVAL;
-
-	if (copy_to_user(buf, msg, msglen))
-		return -EFAULT;
-
-	if (ppos)
-		*ppos = msglen;
-	return msglen;
-}
-
-static ssize_t manage_flash_write(struct file *file, const char __user *buf,
-				size_t count, loff_t *off)
-{
-	struct proc_dir_entry *dp = PDE(file->f_dentry->d_inode);
-	struct rtas_manage_flash_t *args_buf;
-	const char reject_str[] = "0";
-	const char commit_str[] = "1";
-	char stkbuf[10];
-	int op;
-
-	args_buf = (struct rtas_manage_flash_t *) dp->data;
-	if ((args_buf->status == MANAGE_AUTH) || (count == 0))
-		return count;
-		
-	op = -1;
-	if (buf) {
-		if (count > 9) count = 9;
-		if (copy_from_user (stkbuf, buf, count)) {
-			return -EFAULT;
-		}
-		if (strncmp(stkbuf, reject_str, strlen(reject_str)) == 0) 
-			op = RTAS_REJECT_TMP_IMG;
-		else if (strncmp(stkbuf, commit_str, strlen(commit_str)) == 0) 
-			op = RTAS_COMMIT_TMP_IMG;
-	}
-	
-	if (op == -1)   /* buf is empty, or contains invalid string */
-		return -EINVAL;
-
-	args_buf->op = op;
-	manage_flash(args_buf);
-
-	return count;
-}
-
-static void validate_flash(struct rtas_validate_flash_t *args_buf)
-{
-	int token = rtas_token("ibm,validate-flash-image");
-	unsigned int wait_time;
-	int update_results;
-	s32 rc;	
-
-	rc = 0;
-	while(1) {
-		spin_lock(&rtas_data_buf_lock);
-		memcpy(rtas_data_buf, args_buf->buf, VALIDATE_BUF_SIZE);
-		rc = rtas_call(token, 2, 2, &update_results, 
-			       (u32) __pa(rtas_data_buf), args_buf->buf_size);
-		memcpy(args_buf->buf, rtas_data_buf, VALIDATE_BUF_SIZE);
-		spin_unlock(&rtas_data_buf_lock);
-			
-		if (rc == RTAS_RC_BUSY)
-			udelay(1);
-		else if (rtas_is_extended_busy(rc)) {
-			wait_time = rtas_extended_busy_delay_time(rc);
-			udelay(wait_time * 1000);
-		} else
-			break;
-	}
-
-	args_buf->status = rc;
-	args_buf->update_results = update_results;
-}
-
-static int get_validate_flash_msg(struct rtas_validate_flash_t *args_buf, 
-		                   char *msg)
-{
-	int n;
-
-	if (args_buf->status >= VALIDATE_TMP_UPDATE) { 
-		n = sprintf(msg, "%d\n", args_buf->update_results);
-		if ((args_buf->update_results >= VALIDATE_CUR_UNKNOWN) ||
-		    (args_buf->update_results == VALIDATE_TMP_UPDATE))
-			n += sprintf(msg + n, "%s\n", args_buf->buf);
-	} else {
-		n = sprintf(msg, "%d\n", args_buf->status);
-	}
-	return n;
-}
-
-static ssize_t validate_flash_read(struct file *file, char __user *buf,
-			       size_t count, loff_t *ppos)
-{
-	struct proc_dir_entry *dp = PDE(file->f_dentry->d_inode);
-	struct rtas_validate_flash_t *args_buf;
-	char msg[RTAS_MSG_MAXLEN];
-	int msglen;
-
-	args_buf = (struct rtas_validate_flash_t *) dp->data;
-
-	if (ppos && *ppos != 0)
-		return 0;	/* be cheap */
-	
-	msglen = get_validate_flash_msg(args_buf, msg);
-	if (msglen > count)
-		msglen = count;
-
-	if (!access_ok(VERIFY_WRITE, buf, msglen))
-		return -EINVAL;
-
-	if (copy_to_user(buf, msg, msglen))
-		return -EFAULT;
-
-	if (ppos)
-		*ppos = msglen;
-	return msglen;
-}
-
-static ssize_t validate_flash_write(struct file *file, const char __user *buf,
-				    size_t count, loff_t *off)
-{
-	struct proc_dir_entry *dp = PDE(file->f_dentry->d_inode);
-	struct rtas_validate_flash_t *args_buf;
-	int rc;
-
-	args_buf = (struct rtas_validate_flash_t *) dp->data;
-
-	if (dp->data == NULL) {
-		dp->data = kmalloc(sizeof(struct rtas_validate_flash_t), 
-				GFP_KERNEL);
-		if (dp->data == NULL) 
-			return -ENOMEM;
-	}
-
-	/* We are only interested in the first 4K of the
-	 * candidate image */
-	if ((*off >= VALIDATE_BUF_SIZE) || 
-		(args_buf->status == VALIDATE_AUTH)) {
-		*off += count;
-		return count;
-	}
-
-	if (*off + count >= VALIDATE_BUF_SIZE)  {
-		count = VALIDATE_BUF_SIZE - *off;
-		args_buf->status = VALIDATE_READY;	
-	} else {
-		args_buf->status = VALIDATE_INCOMPLETE;
-	}
-
-	if (!access_ok(VERIFY_READ, buf, count)) {
-		rc = -EFAULT;
-		goto done;
-	}
-	if (copy_from_user(args_buf->buf + *off, buf, count)) {
-		rc = -EFAULT;
-		goto done;
-	}
-
-	*off += count;
-	rc = count;
-done:
-	if (rc < 0) {
-		kfree(dp->data);
-		dp->data = NULL;
-	}
-	return rc;
-}
-
-static int validate_flash_release(struct inode *inode, struct file *file)
-{
-	struct proc_dir_entry *dp = PDE(file->f_dentry->d_inode);
-	struct rtas_validate_flash_t *args_buf;
-
-	args_buf = (struct rtas_validate_flash_t *) dp->data;
-
-	if (args_buf->status == VALIDATE_READY) {
-		args_buf->buf_size = VALIDATE_BUF_SIZE;
-		validate_flash(args_buf);
-	}
-
-	/* The matching atomic_inc was in rtas_excl_open() */
-	atomic_dec(&dp->count);
-
-	return 0;
-}
-
-static void remove_flash_pde(struct proc_dir_entry *dp)
-{
-	if (dp) {
-		if (dp->data != NULL)
-			kfree(dp->data);
-		dp->owner = NULL;
-		remove_proc_entry(dp->name, dp->parent);
-	}
-}
-
-static int initialize_flash_pde_data(const char *rtas_call_name,
-				     size_t buf_size,
-				     struct proc_dir_entry *dp)
-{
-	int *status;
-	int token;
-
-	dp->data = kmalloc(buf_size, GFP_KERNEL);
-	if (dp->data == NULL) {
-		remove_flash_pde(dp);
-		return -ENOMEM;
-	}
-
-	memset(dp->data, 0, buf_size);
-
-	/*
-	 * This code assumes that the status int is the first member of the
-	 * struct 
-	 */
-	status = (int *) dp->data;
-	token = rtas_token(rtas_call_name);
-	if (token == RTAS_UNKNOWN_SERVICE)
-		*status = FLASH_AUTH;
-	else
-		*status = FLASH_NO_OP;
-
-	return 0;
-}
-
-static struct proc_dir_entry *create_flash_pde(const char *filename,
-					       struct file_operations *fops)
-{
-	struct proc_dir_entry *ent = NULL;
-
-	ent = create_proc_entry(filename, S_IRUSR | S_IWUSR, NULL);
-	if (ent != NULL) {
-		ent->nlink = 1;
-		ent->proc_fops = fops;
-		ent->owner = THIS_MODULE;
-	}
-
-	return ent;
-}
-
-static struct file_operations rtas_flash_operations = {
-	.read		= rtas_flash_read,
-	.write		= rtas_flash_write,
-	.open		= rtas_excl_open,
-	.release	= rtas_flash_release,
-};
-
-static struct file_operations manage_flash_operations = {
-	.read		= manage_flash_read,
-	.write		= manage_flash_write,
-	.open		= rtas_excl_open,
-	.release	= rtas_excl_release,
-};
-
-static struct file_operations validate_flash_operations = {
-	.read		= validate_flash_read,
-	.write		= validate_flash_write,
-	.open		= rtas_excl_open,
-	.release	= validate_flash_release,
-};
-
-int __init rtas_flash_init(void)
-{
-	int rc;
-
-	if (rtas_token("ibm,update-flash-64-and-reboot") ==
-		       RTAS_UNKNOWN_SERVICE) {
-		printk(KERN_ERR "rtas_flash: no firmware flash support\n");
-		return 1;
-	}
-
-	firmware_flash_pde = create_flash_pde("ppc64/rtas/"
-					      FIRMWARE_FLASH_NAME,
-					      &rtas_flash_operations);
-	if (firmware_flash_pde == NULL) {
-		rc = -ENOMEM;
-		goto cleanup;
-	}
-
-	rc = initialize_flash_pde_data("ibm,update-flash-64-and-reboot",
-			 	       sizeof(struct rtas_update_flash_t), 
-				       firmware_flash_pde);
-	if (rc != 0)
-		goto cleanup;
-
-	firmware_update_pde = create_flash_pde("ppc64/rtas/"
-					       FIRMWARE_UPDATE_NAME,
-					       &rtas_flash_operations);
-	if (firmware_update_pde == NULL) {
-		rc = -ENOMEM;
-		goto cleanup;
-	}
-
-	rc = initialize_flash_pde_data("ibm,update-flash-64-and-reboot",
-			 	       sizeof(struct rtas_update_flash_t), 
-				       firmware_update_pde);
-	if (rc != 0)
-		goto cleanup;
-
-	validate_pde = create_flash_pde("ppc64/rtas/" VALIDATE_FLASH_NAME,
-			      		&validate_flash_operations);
-	if (validate_pde == NULL) {
-		rc = -ENOMEM;
-		goto cleanup;
-	}
-
-	rc = initialize_flash_pde_data("ibm,validate-flash-image",
-		                       sizeof(struct rtas_validate_flash_t), 
-				       validate_pde);
-	if (rc != 0)
-		goto cleanup;
-
-	manage_pde = create_flash_pde("ppc64/rtas/" MANAGE_FLASH_NAME,
-				      &manage_flash_operations);
-	if (manage_pde == NULL) {
-		rc = -ENOMEM;
-		goto cleanup;
-	}
-
-	rc = initialize_flash_pde_data("ibm,manage-flash-image",
-			               sizeof(struct rtas_manage_flash_t),
-				       manage_pde);
-	if (rc != 0)
-		goto cleanup;
-
-	return 0;
-
-cleanup:
-	remove_flash_pde(firmware_flash_pde);
-	remove_flash_pde(firmware_update_pde);
-	remove_flash_pde(validate_pde);
-	remove_flash_pde(manage_pde);
-
-	return rc;
-}
-
-void __exit rtas_flash_cleanup(void)
-{
-	remove_flash_pde(firmware_flash_pde);
-	remove_flash_pde(firmware_update_pde);
-	remove_flash_pde(validate_pde);
-	remove_flash_pde(manage_pde);
-}
-
-module_init(rtas_flash_init);
-module_exit(rtas_flash_cleanup);
-MODULE_LICENSE("GPL");
diff --git a/arch/ppc64/kernel/rtasd.c b/arch/ppc64/kernel/rtasd.c
deleted file mode 100644
index e26b0420b6dd..000000000000
--- a/arch/ppc64/kernel/rtasd.c
+++ /dev/null
@@ -1,527 +0,0 @@
-/*
- * Copyright (C) 2001 Anton Blanchard <anton@au.ibm.com>, IBM
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
- * Communication to userspace based on kernel/printk.c
- */
-
-#include <linux/types.h>
-#include <linux/errno.h>
-#include <linux/sched.h>
-#include <linux/kernel.h>
-#include <linux/poll.h>
-#include <linux/proc_fs.h>
-#include <linux/init.h>
-#include <linux/vmalloc.h>
-#include <linux/spinlock.h>
-#include <linux/cpu.h>
-#include <linux/delay.h>
-
-#include <asm/uaccess.h>
-#include <asm/io.h>
-#include <asm/rtas.h>
-#include <asm/prom.h>
-#include <asm/nvram.h>
-#include <asm/atomic.h>
-#include <asm/systemcfg.h>
-
-#if 0
-#define DEBUG(A...)	printk(KERN_ERR A)
-#else
-#define DEBUG(A...)
-#endif
-
-static DEFINE_SPINLOCK(rtasd_log_lock);
-
-DECLARE_WAIT_QUEUE_HEAD(rtas_log_wait);
-
-static char *rtas_log_buf;
-static unsigned long rtas_log_start;
-static unsigned long rtas_log_size;
-
-static int surveillance_timeout = -1;
-static unsigned int rtas_event_scan_rate;
-static unsigned int rtas_error_log_max;
-static unsigned int rtas_error_log_buffer_max;
-
-static int full_rtas_msgs = 0;
-
-extern int no_logging;
-
-volatile int error_log_cnt = 0;
-
-/*
- * Since we use 32 bit RTAS, the physical address of this must be below
- * 4G or else bad things happen. Allocate this in the kernel data and
- * make it big enough.
- */
-static unsigned char logdata[RTAS_ERROR_LOG_MAX];
-
-static int get_eventscan_parms(void);
-
-static char *rtas_type[] = {
-	"Unknown", "Retry", "TCE Error", "Internal Device Failure",
-	"Timeout", "Data Parity", "Address Parity", "Cache Parity",
-	"Address Invalid", "ECC Uncorrected", "ECC Corrupted",
-};
-
-static char *rtas_event_type(int type)
-{
-	if ((type > 0) && (type < 11))
-		return rtas_type[type];
-
-	switch (type) {
-		case RTAS_TYPE_EPOW:
-			return "EPOW";
-		case RTAS_TYPE_PLATFORM:
-			return "Platform Error";
-		case RTAS_TYPE_IO:
-			return "I/O Event";
-		case RTAS_TYPE_INFO:
-			return "Platform Information Event";
-		case RTAS_TYPE_DEALLOC:
-			return "Resource Deallocation Event";
-		case RTAS_TYPE_DUMP:
-			return "Dump Notification Event";
-	}
-
-	return rtas_type[0];
-}
-
-/* To see this info, grep RTAS /var/log/messages and each entry
- * will be collected together with obvious begin/end.
- * There will be a unique identifier on the begin and end lines.
- * This will persist across reboots.
- *
- * format of error logs returned from RTAS:
- * bytes	(size)	: contents
- * --------------------------------------------------------
- * 0-7		(8)	: rtas_error_log
- * 8-47		(40)	: extended info
- * 48-51	(4)	: vendor id
- * 52-1023 (vendor specific) : location code and debug data
- */
-static void printk_log_rtas(char *buf, int len)
-{
-
-	int i,j,n = 0;
-	int perline = 16;
-	char buffer[64];
-	char * str = "RTAS event";
-
-	if (full_rtas_msgs) {
-		printk(RTAS_DEBUG "%d -------- %s begin --------\n",
-		       error_log_cnt, str);
-
-		/*
-		 * Print perline bytes on each line, each line will start
-		 * with RTAS and a changing number, so syslogd will
-		 * print lines that are otherwise the same.  Separate every
-		 * 4 bytes with a space.
-		 */
-		for (i = 0; i < len; i++) {
-			j = i % perline;
-			if (j == 0) {
-				memset(buffer, 0, sizeof(buffer));
-				n = sprintf(buffer, "RTAS %d:", i/perline);
-			}
-
-			if ((i % 4) == 0)
-				n += sprintf(buffer+n, " ");
-
-			n += sprintf(buffer+n, "%02x", (unsigned char)buf[i]);
-
-			if (j == (perline-1))
-				printk(KERN_DEBUG "%s\n", buffer);
-		}
-		if ((i % perline) != 0)
-			printk(KERN_DEBUG "%s\n", buffer);
-
-		printk(RTAS_DEBUG "%d -------- %s end ----------\n",
-		       error_log_cnt, str);
-	} else {
-		struct rtas_error_log *errlog = (struct rtas_error_log *)buf;
-
-		printk(RTAS_DEBUG "event: %d, Type: %s, Severity: %d\n",
-		       error_log_cnt, rtas_event_type(errlog->type),
-		       errlog->severity);
-	}
-}
-
-static int log_rtas_len(char * buf)
-{
-	int len;
-	struct rtas_error_log *err;
-
-	/* rtas fixed header */
-	len = 8;
-	err = (struct rtas_error_log *)buf;
-	if (err->extended_log_length) {
-
-		/* extended header */
-		len += err->extended_log_length;
-	}
-
-	if (rtas_error_log_max == 0) {
-		get_eventscan_parms();
-	}
-	if (len > rtas_error_log_max)
-		len = rtas_error_log_max;
-
-	return len;
-}
-
-/*
- * First write to nvram, if fatal error, that is the only
- * place we log the info.  The error will be picked up
- * on the next reboot by rtasd.  If not fatal, run the
- * method for the type of error.  Currently, only RTAS
- * errors have methods implemented, but in the future
- * there might be a need to store data in nvram before a
- * call to panic().
- *
- * XXX We write to nvram periodically, to indicate error has
- * been written and sync'd, but there is a possibility
- * that if we don't shutdown correctly, a duplicate error
- * record will be created on next reboot.
- */
-void pSeries_log_error(char *buf, unsigned int err_type, int fatal)
-{
-	unsigned long offset;
-	unsigned long s;
-	int len = 0;
-
-	DEBUG("logging event\n");
-	if (buf == NULL)
-		return;
-
-	spin_lock_irqsave(&rtasd_log_lock, s);
-
-	/* get length and increase count */
-	switch (err_type & ERR_TYPE_MASK) {
-	case ERR_TYPE_RTAS_LOG:
-		len = log_rtas_len(buf);
-		if (!(err_type & ERR_FLAG_BOOT))
-			error_log_cnt++;
-		break;
-	case ERR_TYPE_KERNEL_PANIC:
-	default:
-		spin_unlock_irqrestore(&rtasd_log_lock, s);
-		return;
-	}
-
-	/* Write error to NVRAM */
-	if (!no_logging && !(err_type & ERR_FLAG_BOOT))
-		nvram_write_error_log(buf, len, err_type);
-
-	/*
-	 * rtas errors can occur during boot, and we do want to capture
-	 * those somewhere, even if nvram isn't ready (why not?), and even
-	 * if rtasd isn't ready. Put them into the boot log, at least.
-	 */
-	if ((err_type & ERR_TYPE_MASK) == ERR_TYPE_RTAS_LOG)
-		printk_log_rtas(buf, len);
-
-	/* Check to see if we need to or have stopped logging */
-	if (fatal || no_logging) {
-		no_logging = 1;
-		spin_unlock_irqrestore(&rtasd_log_lock, s);
-		return;
-	}
-
-	/* call type specific method for error */
-	switch (err_type & ERR_TYPE_MASK) {
-	case ERR_TYPE_RTAS_LOG:
-		offset = rtas_error_log_buffer_max *
-			((rtas_log_start+rtas_log_size) & LOG_NUMBER_MASK);
-
-		/* First copy over sequence number */
-		memcpy(&rtas_log_buf[offset], (void *) &error_log_cnt, sizeof(int));
-
-		/* Second copy over error log data */
-		offset += sizeof(int);
-		memcpy(&rtas_log_buf[offset], buf, len);
-
-		if (rtas_log_size < LOG_NUMBER)
-			rtas_log_size += 1;
-		else
-			rtas_log_start += 1;
-
-		spin_unlock_irqrestore(&rtasd_log_lock, s);
-		wake_up_interruptible(&rtas_log_wait);
-		break;
-	case ERR_TYPE_KERNEL_PANIC:
-	default:
-		spin_unlock_irqrestore(&rtasd_log_lock, s);
-		return;
-	}
-
-}
-
-
-static int rtas_log_open(struct inode * inode, struct file * file)
-{
-	return 0;
-}
-
-static int rtas_log_release(struct inode * inode, struct file * file)
-{
-	return 0;
-}
-
-/* This will check if all events are logged, if they are then, we
- * know that we can safely clear the events in NVRAM.
- * Next we'll sit and wait for something else to log.
- */
-static ssize_t rtas_log_read(struct file * file, char __user * buf,
-			 size_t count, loff_t *ppos)
-{
-	int error;
-	char *tmp;
-	unsigned long s;
-	unsigned long offset;
-
-	if (!buf || count < rtas_error_log_buffer_max)
-		return -EINVAL;
-
-	count = rtas_error_log_buffer_max;
-
-	if (!access_ok(VERIFY_WRITE, buf, count))
-		return -EFAULT;
-
-	tmp = kmalloc(count, GFP_KERNEL);
-	if (!tmp)
-		return -ENOMEM;
-
-
-	spin_lock_irqsave(&rtasd_log_lock, s);
-	/* if it's 0, then we know we got the last one (the one in NVRAM) */
-	if (rtas_log_size == 0 && !no_logging)
-		nvram_clear_error_log();
-	spin_unlock_irqrestore(&rtasd_log_lock, s);
-
-
-	error = wait_event_interruptible(rtas_log_wait, rtas_log_size);
-	if (error)
-		goto out;
-
-	spin_lock_irqsave(&rtasd_log_lock, s);
-	offset = rtas_error_log_buffer_max * (rtas_log_start & LOG_NUMBER_MASK);
-	memcpy(tmp, &rtas_log_buf[offset], count);
-
-	rtas_log_start += 1;
-	rtas_log_size -= 1;
-	spin_unlock_irqrestore(&rtasd_log_lock, s);
-
-	error = copy_to_user(buf, tmp, count) ? -EFAULT : count;
-out:
-	kfree(tmp);
-	return error;
-}
-
-static unsigned int rtas_log_poll(struct file *file, poll_table * wait)
-{
-	poll_wait(file, &rtas_log_wait, wait);
-	if (rtas_log_size)
-		return POLLIN | POLLRDNORM;
-	return 0;
-}
-
-struct file_operations proc_rtas_log_operations = {
-	.read =		rtas_log_read,
-	.poll =		rtas_log_poll,
-	.open =		rtas_log_open,
-	.release =	rtas_log_release,
-};
-
-static int enable_surveillance(int timeout)
-{
-	int error;
-
-	error = rtas_set_indicator(SURVEILLANCE_TOKEN, 0, timeout);
-
-	if (error == 0)
-		return 0;
-
-	if (error == -EINVAL) {
-		printk(KERN_INFO "rtasd: surveillance not supported\n");
-		return 0;
-	}
-
-	printk(KERN_ERR "rtasd: could not update surveillance\n");
-	return -1;
-}
-
-static int get_eventscan_parms(void)
-{
-	struct device_node *node;
-	int *ip;
-
-	node = of_find_node_by_path("/rtas");
-
-	ip = (int *)get_property(node, "rtas-event-scan-rate", NULL);
-	if (ip == NULL) {
-		printk(KERN_ERR "rtasd: no rtas-event-scan-rate\n");
-		of_node_put(node);
-		return -1;
-	}
-	rtas_event_scan_rate = *ip;
-	DEBUG("rtas-event-scan-rate %d\n", rtas_event_scan_rate);
-
-	/* Make room for the sequence number */
-	rtas_error_log_max = rtas_get_error_log_max();
-	rtas_error_log_buffer_max = rtas_error_log_max + sizeof(int);
-
-	of_node_put(node);
-
-	return 0;
-}
-
-static void do_event_scan(int event_scan)
-{
-	int error;
-	do {
-		memset(logdata, 0, rtas_error_log_max);
-		error = rtas_call(event_scan, 4, 1, NULL,
-				  RTAS_EVENT_SCAN_ALL_EVENTS, 0,
-				  __pa(logdata), rtas_error_log_max);
-		if (error == -1) {
-			printk(KERN_ERR "event-scan failed\n");
-			break;
-		}
-
-		if (error == 0)
-			pSeries_log_error(logdata, ERR_TYPE_RTAS_LOG, 0);
-
-	} while(error == 0);
-}
-
-static void do_event_scan_all_cpus(long delay)
-{
-	int cpu;
-
-	lock_cpu_hotplug();
-	cpu = first_cpu(cpu_online_map);
-	for (;;) {
-		set_cpus_allowed(current, cpumask_of_cpu(cpu));
-		do_event_scan(rtas_token("event-scan"));
-		set_cpus_allowed(current, CPU_MASK_ALL);
-
-		/* Drop hotplug lock, and sleep for the specified delay */
-		unlock_cpu_hotplug();
-		msleep_interruptible(delay);
-		lock_cpu_hotplug();
-
-		cpu = next_cpu(cpu, cpu_online_map);
-		if (cpu == NR_CPUS)
-			break;
-	}
-	unlock_cpu_hotplug();
-}
-
-static int rtasd(void *unused)
-{
-	unsigned int err_type;
-	int event_scan = rtas_token("event-scan");
-	int rc;
-
-	daemonize("rtasd");
-
-	if (event_scan == RTAS_UNKNOWN_SERVICE || get_eventscan_parms() == -1)
-		goto error;
-
-	rtas_log_buf = vmalloc(rtas_error_log_buffer_max*LOG_NUMBER);
-	if (!rtas_log_buf) {
-		printk(KERN_ERR "rtasd: no memory\n");
-		goto error;
-	}
-
-	printk(KERN_INFO "RTAS daemon started\n");
-
-	DEBUG("will sleep for %d milliseconds\n", (30000/rtas_event_scan_rate));
-
-	/* See if we have any error stored in NVRAM */
-	memset(logdata, 0, rtas_error_log_max);
-
-	rc = nvram_read_error_log(logdata, rtas_error_log_max, &err_type);
-
-	/* We can use rtas_log_buf now */
-	no_logging = 0;
-
-	if (!rc) {
-		if (err_type != ERR_FLAG_ALREADY_LOGGED) {
-			pSeries_log_error(logdata, err_type | ERR_FLAG_BOOT, 0);
-		}
-	}
-
-	/* First pass. */
-	do_event_scan_all_cpus(1000);
-
-	if (surveillance_timeout != -1) {
-		DEBUG("enabling surveillance\n");
-		enable_surveillance(surveillance_timeout);
-		DEBUG("surveillance enabled\n");
-	}
-
-	/* Delay should be at least one second since some
-	 * machines have problems if we call event-scan too
-	 * quickly. */
-	for (;;)
-		do_event_scan_all_cpus(30000/rtas_event_scan_rate);
-
-error:
-	/* Should delete proc entries */
-	return -EINVAL;
-}
-
-static int __init rtas_init(void)
-{
-	struct proc_dir_entry *entry;
-
-	/* No RTAS, only warn if we are on a pSeries box  */
-	if (rtas_token("event-scan") == RTAS_UNKNOWN_SERVICE) {
-		if (systemcfg->platform & PLATFORM_PSERIES)
-			printk(KERN_INFO "rtasd: no event-scan on system\n");
-		return 1;
-	}
-
-	entry = create_proc_entry("ppc64/rtas/error_log", S_IRUSR, NULL);
-	if (entry)
-		entry->proc_fops = &proc_rtas_log_operations;
-	else
-		printk(KERN_ERR "Failed to create error_log proc entry\n");
-
-	if (kernel_thread(rtasd, NULL, CLONE_FS) < 0)
-		printk(KERN_ERR "Failed to start RTAS daemon\n");
-
-	return 0;
-}
-
-static int __init surveillance_setup(char *str)
-{
-	int i;
-
-	if (get_option(&str,&i)) {
-		if (i >= 0 && i <= 255)
-			surveillance_timeout = i;
-	}
-
-	return 1;
-}
-
-static int __init rtasmsgs_setup(char *str)
-{
-	if (strcmp(str, "on") == 0)
-		full_rtas_msgs = 1;
-	else if (strcmp(str, "off") == 0)
-		full_rtas_msgs = 0;
-
-	return 1;
-}
-__initcall(rtas_init);
-__setup("surveillance=", surveillance_setup);
-__setup("rtasmsgs=", rtasmsgs_setup);
diff --git a/arch/ppc64/kernel/signal.c b/arch/ppc64/kernel/signal.c
deleted file mode 100644
index ec9d0984b6a0..000000000000
--- a/arch/ppc64/kernel/signal.c
+++ /dev/null
@@ -1,581 +0,0 @@
-/*
- *  linux/arch/ppc64/kernel/signal.c
- *
- *  PowerPC version 
- *    Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
- *
- *  Derived from "arch/i386/kernel/signal.c"
- *    Copyright (C) 1991, 1992 Linus Torvalds
- *    1997-11-28  Modified for POSIX.1b signals by Richard Henderson
- *
- *  This program is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU General Public License
- *  as published by the Free Software Foundation; either version
- *  2 of the License, or (at your option) any later version.
- */
-
-#include <linux/config.h>
-#include <linux/sched.h>
-#include <linux/mm.h>
-#include <linux/smp.h>
-#include <linux/smp_lock.h>
-#include <linux/kernel.h>
-#include <linux/signal.h>
-#include <linux/errno.h>
-#include <linux/wait.h>
-#include <linux/unistd.h>
-#include <linux/stddef.h>
-#include <linux/elf.h>
-#include <linux/ptrace.h>
-#include <linux/module.h>
-
-#include <asm/sigcontext.h>
-#include <asm/ucontext.h>
-#include <asm/uaccess.h>
-#include <asm/pgtable.h>
-#include <asm/ppcdebug.h>
-#include <asm/unistd.h>
-#include <asm/cacheflush.h>
-#include <asm/vdso.h>
-
-#define DEBUG_SIG 0
-
-#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
-
-#define GP_REGS_SIZE	min(sizeof(elf_gregset_t), sizeof(struct pt_regs))
-#define FP_REGS_SIZE	sizeof(elf_fpregset_t)
-
-#define TRAMP_TRACEBACK	3
-#define TRAMP_SIZE	6
-
-/*
- * When we have signals to deliver, we set up on the user stack,
- * going down from the original stack pointer:
- *	1) a rt_sigframe struct which contains the ucontext	
- *	2) a gap of __SIGNAL_FRAMESIZE bytes which acts as a dummy caller
- *	   frame for the signal handler.
- */
-
-struct rt_sigframe {
-	/* sys_rt_sigreturn requires the ucontext be the first field */
-	struct ucontext uc;
-	unsigned long _unused[2];
-	unsigned int tramp[TRAMP_SIZE];
-	struct siginfo *pinfo;
-	void *puc;
-	struct siginfo info;
-	/* 64 bit ABI allows for 288 bytes below sp before decrementing it. */
-	char abigap[288];
-} __attribute__ ((aligned (16)));
-
-
-/*
- * Atomically swap in the new signal mask, and wait for a signal.
- */
-long sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize, int p3, int p4,
-		       int p6, int p7, struct pt_regs *regs)
-{
-	sigset_t saveset, newset;
-
-	/* XXX: Don't preclude handling different sized sigset_t's.  */
-	if (sigsetsize != sizeof(sigset_t))
-		return -EINVAL;
-
-	if (copy_from_user(&newset, unewset, sizeof(newset)))
-		return -EFAULT;
-	sigdelsetmask(&newset, ~_BLOCKABLE);
-
-	spin_lock_irq(&current->sighand->siglock);
-	saveset = current->blocked;
-	current->blocked = newset;
-	recalc_sigpending();
-	spin_unlock_irq(&current->sighand->siglock);
-
-	regs->result = -EINTR;
-	regs->gpr[3] = EINTR;
-	regs->ccr |= 0x10000000;
-	while (1) {
-		current->state = TASK_INTERRUPTIBLE;
-		schedule();
-		if (do_signal(&saveset, regs))
-			return 0;
-	}
-}
-
-long sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss, unsigned long r5,
-		     unsigned long r6, unsigned long r7, unsigned long r8,
-		     struct pt_regs *regs)
-{
-	return do_sigaltstack(uss, uoss, regs->gpr[1]);
-}
-
-
-/*
- * Set up the sigcontext for the signal frame.
- */
-
-static long setup_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs,
-		 int signr, sigset_t *set, unsigned long handler)
-{
-	/* When CONFIG_ALTIVEC is set, we _always_ setup v_regs even if the
-	 * process never used altivec yet (MSR_VEC is zero in pt_regs of
-	 * the context). This is very important because we must ensure we
-	 * don't lose the VRSAVE content that may have been set prior to
-	 * the process doing its first vector operation
-	 * Userland shall check AT_HWCAP to know wether it can rely on the
-	 * v_regs pointer or not
-	 */
-#ifdef CONFIG_ALTIVEC
-	elf_vrreg_t __user *v_regs = (elf_vrreg_t __user *)(((unsigned long)sc->vmx_reserve + 15) & ~0xful);
-#endif
-	long err = 0;
-
-	flush_fp_to_thread(current);
-
-	/* Make sure signal doesn't get spurrious FP exceptions */
-	current->thread.fpscr.val = 0;
-
-#ifdef CONFIG_ALTIVEC
-	err |= __put_user(v_regs, &sc->v_regs);
-
-	/* save altivec registers */
-	if (current->thread.used_vr) {
-		flush_altivec_to_thread(current);
-		/* Copy 33 vec registers (vr0..31 and vscr) to the stack */
-		err |= __copy_to_user(v_regs, current->thread.vr, 33 * sizeof(vector128));
-		/* set MSR_VEC in the MSR value in the frame to indicate that sc->v_reg)
-		 * contains valid data.
-		 */
-		regs->msr |= MSR_VEC;
-	}
-	/* We always copy to/from vrsave, it's 0 if we don't have or don't
-	 * use altivec.
-	 */
-	err |= __put_user(current->thread.vrsave, (u32 __user *)&v_regs[33]);
-#else /* CONFIG_ALTIVEC */
-	err |= __put_user(0, &sc->v_regs);
-#endif /* CONFIG_ALTIVEC */
-	err |= __put_user(&sc->gp_regs, &sc->regs);
-	err |= __copy_to_user(&sc->gp_regs, regs, GP_REGS_SIZE);
-	err |= __copy_to_user(&sc->fp_regs, &current->thread.fpr, FP_REGS_SIZE);
-	err |= __put_user(signr, &sc->signal);
-	err |= __put_user(handler, &sc->handler);
-	if (set != NULL)
-		err |=  __put_user(set->sig[0], &sc->oldmask);
-
-	return err;
-}
-
-/*
- * Restore the sigcontext from the signal frame.
- */
-
-static long restore_sigcontext(struct pt_regs *regs, sigset_t *set, int sig,
-			      struct sigcontext __user *sc)
-{
-#ifdef CONFIG_ALTIVEC
-	elf_vrreg_t __user *v_regs;
-#endif
-	unsigned long err = 0;
-	unsigned long save_r13 = 0;
-	elf_greg_t *gregs = (elf_greg_t *)regs;
-#ifdef CONFIG_ALTIVEC
-	unsigned long msr;
-#endif
-	int i;
-
-	/* If this is not a signal return, we preserve the TLS in r13 */
-	if (!sig)
-		save_r13 = regs->gpr[13];
-
-	/* copy everything before MSR */
-	err |= __copy_from_user(regs, &sc->gp_regs,
-				PT_MSR*sizeof(unsigned long));
-
-	/* skip MSR and SOFTE */
-	for (i = PT_MSR+1; i <= PT_RESULT; i++) {
-		if (i == PT_SOFTE)
-			continue;
-		err |= __get_user(gregs[i], &sc->gp_regs[i]);
-	}
-
-	if (!sig)
-		regs->gpr[13] = save_r13;
-	err |= __copy_from_user(&current->thread.fpr, &sc->fp_regs, FP_REGS_SIZE);
-	if (set != NULL)
-		err |=  __get_user(set->sig[0], &sc->oldmask);
-
-#ifdef CONFIG_ALTIVEC
-	err |= __get_user(v_regs, &sc->v_regs);
-	err |= __get_user(msr, &sc->gp_regs[PT_MSR]);
-	if (err)
-		return err;
-	/* Copy 33 vec registers (vr0..31 and vscr) from the stack */
-	if (v_regs != 0 && (msr & MSR_VEC) != 0)
-		err |= __copy_from_user(current->thread.vr, v_regs,
-					33 * sizeof(vector128));
-	else if (current->thread.used_vr)
-		memset(current->thread.vr, 0, 33 * sizeof(vector128));
-	/* Always get VRSAVE back */
-	if (v_regs != 0)
-		err |= __get_user(current->thread.vrsave, (u32 __user *)&v_regs[33]);
-	else
-		current->thread.vrsave = 0;
-#endif /* CONFIG_ALTIVEC */
-
-#ifndef CONFIG_SMP
-	preempt_disable();
-	if (last_task_used_math == current)
-		last_task_used_math = NULL;
-	if (last_task_used_altivec == current)
-		last_task_used_altivec = NULL;
-	preempt_enable();
-#endif
-	/* Force reload of FP/VEC */
-	regs->msr &= ~(MSR_FP | MSR_FE0 | MSR_FE1 | MSR_VEC);
-
-	return err;
-}
-
-/*
- * Allocate space for the signal frame
- */
-static inline void __user * get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,
-				  size_t frame_size)
-{
-        unsigned long newsp;
-
-        /* Default to using normal stack */
-        newsp = regs->gpr[1];
-
-	if (ka->sa.sa_flags & SA_ONSTACK) {
-		if (! on_sig_stack(regs->gpr[1]))
-			newsp = (current->sas_ss_sp + current->sas_ss_size);
-	}
-
-        return (void __user *)((newsp - frame_size) & -16ul);
-}
-
-/*
- * Setup the trampoline code on the stack
- */
-static long setup_trampoline(unsigned int syscall, unsigned int __user *tramp)
-{
-	int i;
-	long err = 0;
-
-	/* addi r1, r1, __SIGNAL_FRAMESIZE  # Pop the dummy stackframe */
-	err |= __put_user(0x38210000UL | (__SIGNAL_FRAMESIZE & 0xffff), &tramp[0]);
-	/* li r0, __NR_[rt_]sigreturn| */
-	err |= __put_user(0x38000000UL | (syscall & 0xffff), &tramp[1]);
-	/* sc */
-	err |= __put_user(0x44000002UL, &tramp[2]);
-
-	/* Minimal traceback info */
-	for (i=TRAMP_TRACEBACK; i < TRAMP_SIZE ;i++)
-		err |= __put_user(0, &tramp[i]);
-
-	if (!err)
-		flush_icache_range((unsigned long) &tramp[0],
-			   (unsigned long) &tramp[TRAMP_SIZE]);
-
-	return err;
-}
-
-/*
- * Restore the user process's signal mask (also used by signal32.c)
- */
-void restore_sigmask(sigset_t *set)
-{
-	sigdelsetmask(set, ~_BLOCKABLE);
-	spin_lock_irq(&current->sighand->siglock);
-	current->blocked = *set;
-	recalc_sigpending();
-	spin_unlock_irq(&current->sighand->siglock);
-}
-
-
-/*
- * Handle {get,set,swap}_context operations
- */
-int sys_swapcontext(struct ucontext __user *old_ctx,
-		    struct ucontext __user *new_ctx,
-		    long ctx_size, long r6, long r7, long r8, struct pt_regs *regs)
-{
-	unsigned char tmp;
-	sigset_t set;
-
-	/* Context size is for future use. Right now, we only make sure
-	 * we are passed something we understand
-	 */
-	if (ctx_size < sizeof(struct ucontext))
-		return -EINVAL;
-
-	if (old_ctx != NULL) {
-		if (!access_ok(VERIFY_WRITE, old_ctx, sizeof(*old_ctx))
-		    || setup_sigcontext(&old_ctx->uc_mcontext, regs, 0, NULL, 0)
-		    || __copy_to_user(&old_ctx->uc_sigmask,
-				      &current->blocked, sizeof(sigset_t)))
-			return -EFAULT;
-	}
-	if (new_ctx == NULL)
-		return 0;
-	if (!access_ok(VERIFY_READ, new_ctx, sizeof(*new_ctx))
-	    || __get_user(tmp, (u8 __user *) new_ctx)
-	    || __get_user(tmp, (u8 __user *) (new_ctx + 1) - 1))
-		return -EFAULT;
-
-	/*
-	 * If we get a fault copying the context into the kernel's
-	 * image of the user's registers, we can't just return -EFAULT
-	 * because the user's registers will be corrupted.  For instance
-	 * the NIP value may have been updated but not some of the
-	 * other registers.  Given that we have done the access_ok
-	 * and successfully read the first and last bytes of the region
-	 * above, this should only happen in an out-of-memory situation
-	 * or if another thread unmaps the region containing the context.
-	 * We kill the task with a SIGSEGV in this situation.
-	 */
-
-	if (__copy_from_user(&set, &new_ctx->uc_sigmask, sizeof(set)))
-		do_exit(SIGSEGV);
-	restore_sigmask(&set);
-	if (restore_sigcontext(regs, NULL, 0, &new_ctx->uc_mcontext))
-		do_exit(SIGSEGV);
-
-	/* This returns like rt_sigreturn */
-	return 0;
-}
-
-
-/*
- * Do a signal return; undo the signal stack.
- */
-
-int sys_rt_sigreturn(unsigned long r3, unsigned long r4, unsigned long r5,
-		     unsigned long r6, unsigned long r7, unsigned long r8,
-		     struct pt_regs *regs)
-{
-	struct ucontext __user *uc = (struct ucontext __user *)regs->gpr[1];
-	sigset_t set;
-
-	/* Always make any pending restarted system calls return -EINTR */
-	current_thread_info()->restart_block.fn = do_no_restart_syscall;
-
-	if (!access_ok(VERIFY_READ, uc, sizeof(*uc)))
-		goto badframe;
-
-	if (__copy_from_user(&set, &uc->uc_sigmask, sizeof(set)))
-		goto badframe;
-	restore_sigmask(&set);
-	if (restore_sigcontext(regs, NULL, 1, &uc->uc_mcontext))
-		goto badframe;
-
-	/* do_sigaltstack expects a __user pointer and won't modify
-	 * what's in there anyway
-	 */
-	do_sigaltstack(&uc->uc_stack, NULL, regs->gpr[1]);
-
-	return regs->result;
-
-badframe:
-#if DEBUG_SIG
-	printk("badframe in sys_rt_sigreturn, regs=%p uc=%p &uc->uc_mcontext=%p\n",
-	       regs, uc, &uc->uc_mcontext);
-#endif
-	force_sig(SIGSEGV, current);
-	return 0;
-}
-
-static int setup_rt_frame(int signr, struct k_sigaction *ka, siginfo_t *info,
-		sigset_t *set, struct pt_regs *regs)
-{
-	/* Handler is *really* a pointer to the function descriptor for
-	 * the signal routine.  The first entry in the function
-	 * descriptor is the entry address of signal and the second
-	 * entry is the TOC value we need to use.
-	 */
-	func_descr_t __user *funct_desc_ptr;
-	struct rt_sigframe __user *frame;
-	unsigned long newsp = 0;
-	long err = 0;
-
-	frame = get_sigframe(ka, regs, sizeof(*frame));
-
-	if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
-		goto badframe;
-
-	err |= __put_user(&frame->info, &frame->pinfo);
-	err |= __put_user(&frame->uc, &frame->puc);
-	err |= copy_siginfo_to_user(&frame->info, info);
-	if (err)
-		goto badframe;
-
-	/* Create the ucontext.  */
-	err |= __put_user(0, &frame->uc.uc_flags);
-	err |= __put_user(0, &frame->uc.uc_link);
-	err |= __put_user(current->sas_ss_sp, &frame->uc.uc_stack.ss_sp);
-	err |= __put_user(sas_ss_flags(regs->gpr[1]),
-			  &frame->uc.uc_stack.ss_flags);
-	err |= __put_user(current->sas_ss_size, &frame->uc.uc_stack.ss_size);
-	err |= setup_sigcontext(&frame->uc.uc_mcontext, regs, signr, NULL,
-				(unsigned long)ka->sa.sa_handler);
-	err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));
-	if (err)
-		goto badframe;
-
-	/* Set up to return from userspace. */
-	if (vdso64_rt_sigtramp && current->thread.vdso_base) {
-		regs->link = current->thread.vdso_base + vdso64_rt_sigtramp;
-	} else {
-		err |= setup_trampoline(__NR_rt_sigreturn, &frame->tramp[0]);
-		if (err)
-			goto badframe;
-		regs->link = (unsigned long) &frame->tramp[0];
-	}
-	funct_desc_ptr = (func_descr_t __user *) ka->sa.sa_handler;
-
-	/* Allocate a dummy caller frame for the signal handler. */
-	newsp = (unsigned long)frame - __SIGNAL_FRAMESIZE;
-	err |= put_user(regs->gpr[1], (unsigned long __user *)newsp);
-
-	/* Set up "regs" so we "return" to the signal handler. */
-	err |= get_user(regs->nip, &funct_desc_ptr->entry);
-	regs->gpr[1] = newsp;
-	err |= get_user(regs->gpr[2], &funct_desc_ptr->toc);
-	regs->gpr[3] = signr;
-	regs->result = 0;
-	if (ka->sa.sa_flags & SA_SIGINFO) {
-		err |= get_user(regs->gpr[4], (unsigned long __user *)&frame->pinfo);
-		err |= get_user(regs->gpr[5], (unsigned long __user *)&frame->puc);
-		regs->gpr[6] = (unsigned long) frame;
-	} else {
-		regs->gpr[4] = (unsigned long)&frame->uc.uc_mcontext;
-	}
-	if (err)
-		goto badframe;
-
-	if (test_thread_flag(TIF_SINGLESTEP))
-		ptrace_notify(SIGTRAP);
-
-	return 1;
-
-badframe:
-#if DEBUG_SIG
-	printk("badframe in setup_rt_frame, regs=%p frame=%p newsp=%lx\n",
-	       regs, frame, newsp);
-#endif
-	force_sigsegv(signr, current);
-	return 0;
-}
-
-
-/*
- * OK, we're invoking a handler
- */
-static int handle_signal(unsigned long sig, struct k_sigaction *ka,
-			 siginfo_t *info, sigset_t *oldset, struct pt_regs *regs)
-{
-	int ret;
-
-	/* Set up Signal Frame */
-	ret = setup_rt_frame(sig, ka, info, oldset, regs);
-
-	if (ret) {
-		spin_lock_irq(&current->sighand->siglock);
-		sigorsets(&current->blocked, &current->blocked, &ka->sa.sa_mask);
-		if (!(ka->sa.sa_flags & SA_NODEFER))
-			sigaddset(&current->blocked,sig);
-		recalc_sigpending();
-		spin_unlock_irq(&current->sighand->siglock);
-	}
-
-	return ret;
-}
-
-static inline void syscall_restart(struct pt_regs *regs, struct k_sigaction *ka)
-{
-	switch ((int)regs->result) {
-	case -ERESTART_RESTARTBLOCK:
-	case -ERESTARTNOHAND:
-		/* ERESTARTNOHAND means that the syscall should only be
-		 * restarted if there was no handler for the signal, and since
-		 * we only get here if there is a handler, we dont restart.
-		 */
-		regs->result = -EINTR;
-		break;
-	case -ERESTARTSYS:
-		/* ERESTARTSYS means to restart the syscall if there is no
-		 * handler or the handler was registered with SA_RESTART
-		 */
-		if (!(ka->sa.sa_flags & SA_RESTART)) {
-			regs->result = -EINTR;
-			break;
-		}
-		/* fallthrough */
-	case -ERESTARTNOINTR:
-		/* ERESTARTNOINTR means that the syscall should be
-		 * called again after the signal handler returns.
-		 */
-		regs->gpr[3] = regs->orig_gpr3;
-		regs->nip -= 4;
-		regs->result = 0;
-		break;
-	}
-}
-
-/*
- * Note that 'init' is a special process: it doesn't get signals it doesn't
- * want to handle. Thus you cannot kill init even with a SIGKILL even by
- * mistake.
- */
-int do_signal(sigset_t *oldset, struct pt_regs *regs)
-{
-	siginfo_t info;
-	int signr;
-	struct k_sigaction ka;
-
-	/*
-	 * If the current thread is 32 bit - invoke the
-	 * 32 bit signal handling code
-	 */
-	if (test_thread_flag(TIF_32BIT))
-		return do_signal32(oldset, regs);
-
-	if (!oldset)
-		oldset = &current->blocked;
-
-	signr = get_signal_to_deliver(&info, &ka, regs, NULL);
-	if (signr > 0) {
-		/* Whee!  Actually deliver the signal.  */
-		if (TRAP(regs) == 0x0C00)
-			syscall_restart(regs, &ka);
-
-		/*
-		 * Reenable the DABR before delivering the signal to
-		 * user space. The DABR will have been cleared if it
-		 * triggered inside the kernel.
-		 */
-		if (current->thread.dabr)
-			set_dabr(current->thread.dabr);
-
-		return handle_signal(signr, &ka, &info, oldset, regs);
-	}
-
-	if (TRAP(regs) == 0x0C00) {	/* System Call! */
-		if ((int)regs->result == -ERESTARTNOHAND ||
-		    (int)regs->result == -ERESTARTSYS ||
-		    (int)regs->result == -ERESTARTNOINTR) {
-			regs->gpr[3] = regs->orig_gpr3;
-			regs->nip -= 4; /* Back up & retry system call */
-			regs->result = 0;
-		} else if ((int)regs->result == -ERESTART_RESTARTBLOCK) {
-			regs->gpr[0] = __NR_restart_syscall;
-			regs->nip -= 4;
-			regs->result = 0;
-		}
-	}
-
-	return 0;
-}
-EXPORT_SYMBOL(do_signal);