Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm

* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (417 commits)
  MAINTAINERS: EB110ATX is not ebsa110
  MAINTAINERS: update Eric Miao's email address and status
  fb: add support of LCD display controller on pxa168/910 (base layer)
  [ARM] 5552/1: ep93xx get_uart_rate(): use EP93XX_SYSCON_PWRCNT and EP93XX_SYSCON_PWRCN
  [ARM] pxa/sharpsl_pm: zaurus needs generic pxa suspend/resume routines
  [ARM] 5544/1: Trust PrimeCell resource sizes
  [ARM] pxa/sharpsl_pm: cleanup of gpio-related code.
  [ARM] pxa/sharpsl_pm: drop set_irq_type calls
  [ARM] pxa/sharpsl_pm: merge pxa-specific code into generic one
  [ARM] pxa/sharpsl_pm: merge the two sharpsl_pm.c since it's now pxa specific
  [ARM] sa1100: remove unused collie_pm.c
  [ARM] pxa: fix the conflicting non-static declarations of global_gpios[]
  [ARM] 5550/1: Add default configure file for w90p910 platform
  [ARM] 5549/1: Add clock api for w90p910 platform.
  [ARM] 5548/1: Add gpio api for w90p910 platform
  [ARM] 5551/1: Add multi-function pin api for w90p910 platform.
  [ARM] Make ARM_VIC_NR depend on ARM_VIC
  [ARM] 5546/1: ARM PL022 SSP/SPI driver v3
  ARM: OMAP4: SMP: Update defconfig for OMAP4430
  ARM: OMAP4: SMP: Enable SMP support for OMAP4430
  ...

5 files changed, 240 insertions, 871 deletions

diff --git a/arch/arm/common/Kconfig b/arch/arm/common/Kconfig
index a2cd9beaf37..4efbb9df044 100644
--- a/arch/arm/common/Kconfig
+++ b/arch/arm/common/Kconfig
@@ -4,6 +4,14 @@ config ARM_GIC
 config ARM_VIC
 	bool
 
+config ARM_VIC_NR
+	int
+	default 2
+	depends on ARM_VIC
+	help
+	  The maximum number of VICs available in the system, for
+	  power management.
+
 config ICST525
 	bool
 
@@ -27,10 +35,6 @@ config SHARP_LOCOMO
 config SHARP_PARAM
 	bool
 
-config SHARPSL_PM
-	bool
-	select APM_EMULATION
-
 config SHARP_SCOOP
 	bool
 
diff --git a/arch/arm/common/Makefile b/arch/arm/common/Makefile
index 7cb7961d81c..76be7ff2a7c 100644
--- a/arch/arm/common/Makefile
+++ b/arch/arm/common/Makefile
@@ -12,7 +12,6 @@ obj-$(CONFIG_DMABOUNCE)		+= dmabounce.o
 obj-$(CONFIG_TIMER_ACORN)	+= time-acorn.o
 obj-$(CONFIG_SHARP_LOCOMO)	+= locomo.o
 obj-$(CONFIG_SHARP_PARAM)	+= sharpsl_param.o
-obj-$(CONFIG_SHARPSL_PM)	+= sharpsl_pm.o
 obj-$(CONFIG_SHARP_SCOOP)	+= scoop.o
 obj-$(CONFIG_ARCH_IXP2000)	+= uengine.o
 obj-$(CONFIG_ARCH_IXP23XX)	+= uengine.o
diff --git a/arch/arm/common/clkdev.c b/arch/arm/common/clkdev.c
index 5589444ff43..f37afd9422f 100644
--- a/arch/arm/common/clkdev.c
+++ b/arch/arm/common/clkdev.c
@@ -135,6 +135,24 @@ struct clk_lookup *clkdev_alloc(struct clk *clk, const char *con_id,
 }
 EXPORT_SYMBOL(clkdev_alloc);
 
+int clk_add_alias(const char *alias, const char *alias_dev_name, char *id,
+	struct device *dev)
+{
+	struct clk *r = clk_get(dev, id);
+	struct clk_lookup *l;
+
+	if (IS_ERR(r))
+		return PTR_ERR(r);
+
+	l = clkdev_alloc(r, alias, alias_dev_name);
+	clk_put(r);
+	if (!l)
+		return -ENODEV;
+	clkdev_add(l);
+	return 0;
+}
+EXPORT_SYMBOL(clk_add_alias);
+
 /*
  * clkdev_drop - remove a clock dynamically allocated
  */
diff --git a/arch/arm/common/sharpsl_pm.c b/arch/arm/common/sharpsl_pm.c
deleted file mode 100644
index 140f1d721d5..00000000000
--- a/arch/arm/common/sharpsl_pm.c
+++ /dev/null
@@ -1,859 +0,0 @@
-/*
- * Battery and Power Management code for the Sharp SL-C7xx and SL-Cxx00
- * series of PDAs
- *
- * Copyright (c) 2004-2005 Richard Purdie
- *
- * Based on code written by Sharp for 2.4 kernels
- *
- * 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.
- *
- */
-
-#undef DEBUG
-
-#include <linux/module.h>
-#include <linux/timer.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/apm_bios.h>
-#include <linux/delay.h>
-#include <linux/interrupt.h>
-#include <linux/platform_device.h>
-#include <linux/leds.h>
-#include <linux/apm-emulation.h>
-#include <linux/suspend.h>
-
-#include <mach/hardware.h>
-#include <asm/irq.h>
-#include <mach/pm.h>
-#include <mach/pxa2xx-regs.h>
-#include <mach/regs-rtc.h>
-#include <mach/sharpsl.h>
-#include <asm/hardware/sharpsl_pm.h>
-
-/*
- * Constants
- */
-#define SHARPSL_CHARGE_ON_TIME_INTERVAL        (msecs_to_jiffies(1*60*1000))  /* 1 min */
-#define SHARPSL_CHARGE_FINISH_TIME             (msecs_to_jiffies(10*60*1000)) /* 10 min */
-#define SHARPSL_BATCHK_TIME                    (msecs_to_jiffies(15*1000))    /* 15 sec */
-#define SHARPSL_BATCHK_TIME_SUSPEND            (60*10)                        /* 10 min */
-
-#define SHARPSL_WAIT_CO_TIME                   15  /* 15 sec */
-#define SHARPSL_WAIT_DISCHARGE_ON              100 /* 100 msec */
-#define SHARPSL_CHECK_BATTERY_WAIT_TIME_TEMP   10  /* 10 msec */
-#define SHARPSL_CHECK_BATTERY_WAIT_TIME_VOLT   10  /* 10 msec */
-#define SHARPSL_CHECK_BATTERY_WAIT_TIME_ACIN   10  /* 10 msec */
-#define SHARPSL_CHARGE_WAIT_TIME               15  /* 15 msec */
-#define SHARPSL_CHARGE_CO_CHECK_TIME           5   /* 5 msec */
-#define SHARPSL_CHARGE_RETRY_CNT               1   /* eqv. 10 min */
-
-/*
- * Prototypes
- */
-#ifdef CONFIG_PM
-static int sharpsl_off_charge_battery(void);
-static int sharpsl_check_battery_voltage(void);
-static int sharpsl_fatal_check(void);
-#endif
-static int sharpsl_check_battery_temp(void);
-static int sharpsl_ac_check(void);
-static int sharpsl_average_value(int ad);
-static void sharpsl_average_clear(void);
-static void sharpsl_charge_toggle(struct work_struct *private_);
-static void sharpsl_battery_thread(struct work_struct *private_);
-
-
-/*
- * Variables
- */
-struct sharpsl_pm_status sharpsl_pm;
-DECLARE_DELAYED_WORK(toggle_charger, sharpsl_charge_toggle);
-DECLARE_DELAYED_WORK(sharpsl_bat, sharpsl_battery_thread);
-DEFINE_LED_TRIGGER(sharpsl_charge_led_trigger);
-
-
-static int get_percentage(int voltage)
-{
-	int i = sharpsl_pm.machinfo->bat_levels - 1;
-	int bl_status = sharpsl_pm.machinfo->backlight_get_status ? sharpsl_pm.machinfo->backlight_get_status() : 0;
-	struct battery_thresh *thresh;
-
-	if (sharpsl_pm.charge_mode == CHRG_ON)
-		thresh = bl_status ? sharpsl_pm.machinfo->bat_levels_acin_bl : sharpsl_pm.machinfo->bat_levels_acin;
-	else
-		thresh = bl_status ? sharpsl_pm.machinfo->bat_levels_noac_bl : sharpsl_pm.machinfo->bat_levels_noac;
-
-	while (i > 0 && (voltage > thresh[i].voltage))
-		i--;
-
-	return thresh[i].percentage;
-}
-
-static int get_apm_status(int voltage)
-{
-	int low_thresh, high_thresh;
-
-	if (sharpsl_pm.charge_mode == CHRG_ON) {
-		high_thresh = sharpsl_pm.machinfo->status_high_acin;
-		low_thresh = sharpsl_pm.machinfo->status_low_acin;
-	} else {
-		high_thresh = sharpsl_pm.machinfo->status_high_noac;
-		low_thresh = sharpsl_pm.machinfo->status_low_noac;
-	}
-
-	if (voltage >= high_thresh)
-		return APM_BATTERY_STATUS_HIGH;
-	if (voltage >= low_thresh)
-		return APM_BATTERY_STATUS_LOW;
-	return APM_BATTERY_STATUS_CRITICAL;
-}
-
-void sharpsl_battery_kick(void)
-{
-	schedule_delayed_work(&sharpsl_bat, msecs_to_jiffies(125));
-}
-EXPORT_SYMBOL(sharpsl_battery_kick);
-
-
-static void sharpsl_battery_thread(struct work_struct *private_)
-{
-	int voltage, percent, apm_status, i = 0;
-
-	if (!sharpsl_pm.machinfo)
-		return;
-
-	sharpsl_pm.battstat.ac_status = (sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_ACIN) ? APM_AC_ONLINE : APM_AC_OFFLINE);
-
-	/* Corgi cannot confirm when battery fully charged so periodically kick! */
-	if (!sharpsl_pm.machinfo->batfull_irq && (sharpsl_pm.charge_mode == CHRG_ON)
-			&& time_after(jiffies, sharpsl_pm.charge_start_time +  SHARPSL_CHARGE_ON_TIME_INTERVAL))
-		schedule_delayed_work(&toggle_charger, 0);
-
-	while(1) {
-		voltage = sharpsl_pm.machinfo->read_devdata(SHARPSL_BATT_VOLT);
-
-		if (voltage > 0) break;
-		if (i++ > 5) {
-			voltage = sharpsl_pm.machinfo->bat_levels_noac[0].voltage;
-			dev_warn(sharpsl_pm.dev, "Warning: Cannot read main battery!\n");
-			break;
-		}
-	}
-
-	voltage = sharpsl_average_value(voltage);
-	apm_status = get_apm_status(voltage);
-	percent = get_percentage(voltage);
-
-	/* At low battery voltages, the voltage has a tendency to start
-           creeping back up so we try to avoid this here */
-	if ((sharpsl_pm.battstat.ac_status == APM_AC_ONLINE) || (apm_status == APM_BATTERY_STATUS_HIGH) ||  percent <= sharpsl_pm.battstat.mainbat_percent) {
-		sharpsl_pm.battstat.mainbat_voltage = voltage;
-		sharpsl_pm.battstat.mainbat_status = apm_status;
-		sharpsl_pm.battstat.mainbat_percent = percent;
-	}
-
-	dev_dbg(sharpsl_pm.dev, "Battery: voltage: %d, status: %d, percentage: %d, time: %ld\n", voltage,
-			sharpsl_pm.battstat.mainbat_status, sharpsl_pm.battstat.mainbat_percent, jiffies);
-
-#ifdef CONFIG_BACKLIGHT_CORGI
-	/* If battery is low. limit backlight intensity to save power. */
-	if ((sharpsl_pm.battstat.ac_status != APM_AC_ONLINE)
-			&& ((sharpsl_pm.battstat.mainbat_status == APM_BATTERY_STATUS_LOW) ||
-			(sharpsl_pm.battstat.mainbat_status == APM_BATTERY_STATUS_CRITICAL))) {
-		if (!(sharpsl_pm.flags & SHARPSL_BL_LIMIT)) {
-			sharpsl_pm.machinfo->backlight_limit(1);
-			sharpsl_pm.flags |= SHARPSL_BL_LIMIT;
-		}
-	} else if (sharpsl_pm.flags & SHARPSL_BL_LIMIT) {
-		sharpsl_pm.machinfo->backlight_limit(0);
-		sharpsl_pm.flags &= ~SHARPSL_BL_LIMIT;
-	}
-#endif
-
-	/* Suspend if critical battery level */
-	if ((sharpsl_pm.battstat.ac_status != APM_AC_ONLINE)
-			&& (sharpsl_pm.battstat.mainbat_status == APM_BATTERY_STATUS_CRITICAL)
-			&& !(sharpsl_pm.flags & SHARPSL_APM_QUEUED)) {
-		sharpsl_pm.flags |= SHARPSL_APM_QUEUED;
-		dev_err(sharpsl_pm.dev, "Fatal Off\n");
-		apm_queue_event(APM_CRITICAL_SUSPEND);
-	}
-
-	schedule_delayed_work(&sharpsl_bat, SHARPSL_BATCHK_TIME);
-}
-
-void sharpsl_pm_led(int val)
-{
-	if (val == SHARPSL_LED_ERROR) {
-		dev_err(sharpsl_pm.dev, "Charging Error!\n");
-	} else if (val == SHARPSL_LED_ON) {
-		dev_dbg(sharpsl_pm.dev, "Charge LED On\n");
-		led_trigger_event(sharpsl_charge_led_trigger, LED_FULL);
-	} else {
-		dev_dbg(sharpsl_pm.dev, "Charge LED Off\n");
-		led_trigger_event(sharpsl_charge_led_trigger, LED_OFF);
-	}
-}
-
-static void sharpsl_charge_on(void)
-{
-	dev_dbg(sharpsl_pm.dev, "Turning Charger On\n");
-
-	sharpsl_pm.full_count = 0;
-	sharpsl_pm.charge_mode = CHRG_ON;
-	schedule_delayed_work(&toggle_charger, msecs_to_jiffies(250));
-	schedule_delayed_work(&sharpsl_bat, msecs_to_jiffies(500));
-}
-
-static void sharpsl_charge_off(void)
-{
-	dev_dbg(sharpsl_pm.dev, "Turning Charger Off\n");
-
-	sharpsl_pm.machinfo->charge(0);
-	sharpsl_pm_led(SHARPSL_LED_OFF);
-	sharpsl_pm.charge_mode = CHRG_OFF;
-
-	schedule_delayed_work(&sharpsl_bat, 0);
-}
-
-static void sharpsl_charge_error(void)
-{
-	sharpsl_pm_led(SHARPSL_LED_ERROR);
-	sharpsl_pm.machinfo->charge(0);
-	sharpsl_pm.charge_mode = CHRG_ERROR;
-}
-
-static void sharpsl_charge_toggle(struct work_struct *private_)
-{
-	dev_dbg(sharpsl_pm.dev, "Toogling Charger at time: %lx\n", jiffies);
-
-	if (!sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_ACIN)) {
-		sharpsl_charge_off();
-		return;
-	} else if ((sharpsl_check_battery_temp() < 0) || (sharpsl_ac_check() < 0)) {
-		sharpsl_charge_error();
-		return;
-	}
-
-	sharpsl_pm_led(SHARPSL_LED_ON);
-	sharpsl_pm.machinfo->charge(0);
-	mdelay(SHARPSL_CHARGE_WAIT_TIME);
-	sharpsl_pm.machinfo->charge(1);
-
-	sharpsl_pm.charge_start_time = jiffies;
-}
-
-static void sharpsl_ac_timer(unsigned long data)
-{
-	int acin = sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_ACIN);
-
-	dev_dbg(sharpsl_pm.dev, "AC Status: %d\n",acin);
-
-	sharpsl_average_clear();
-	if (acin && (sharpsl_pm.charge_mode != CHRG_ON))
-		sharpsl_charge_on();
-	else if (sharpsl_pm.charge_mode == CHRG_ON)
-		sharpsl_charge_off();
-
-	schedule_delayed_work(&sharpsl_bat, 0);
-}
-
-
-irqreturn_t sharpsl_ac_isr(int irq, void *dev_id)
-{
-	/* Delay the event slightly to debounce */
-	/* Must be a smaller delay than the chrg_full_isr below */
-	mod_timer(&sharpsl_pm.ac_timer, jiffies + msecs_to_jiffies(250));
-
-	return IRQ_HANDLED;
-}
-
-static void sharpsl_chrg_full_timer(unsigned long data)
-{
-	dev_dbg(sharpsl_pm.dev, "Charge Full at time: %lx\n", jiffies);
-
-	sharpsl_pm.full_count++;
-
-	if (!sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_ACIN)) {
-		dev_dbg(sharpsl_pm.dev, "Charge Full: AC removed - stop charging!\n");
-		if (sharpsl_pm.charge_mode == CHRG_ON)
-			sharpsl_charge_off();
-	} else if (sharpsl_pm.full_count < 2) {
-		dev_dbg(sharpsl_pm.dev, "Charge Full: Count too low\n");
-		schedule_delayed_work(&toggle_charger, 0);
-	} else if (time_after(jiffies, sharpsl_pm.charge_start_time + SHARPSL_CHARGE_FINISH_TIME)) {
-		dev_dbg(sharpsl_pm.dev, "Charge Full: Interrupt generated too slowly - retry.\n");
-		schedule_delayed_work(&toggle_charger, 0);
-	} else {
-		sharpsl_charge_off();
-		sharpsl_pm.charge_mode = CHRG_DONE;
-		dev_dbg(sharpsl_pm.dev, "Charge Full: Charging Finished\n");
-	}
-}
-
-/* Charging Finished Interrupt (Not present on Corgi) */
-/* Can trigger at the same time as an AC status change so
-   delay until after that has been processed */
-irqreturn_t sharpsl_chrg_full_isr(int irq, void *dev_id)
-{
-	if (sharpsl_pm.flags & SHARPSL_SUSPENDED)
-		return IRQ_HANDLED;
-
-	/* delay until after any ac interrupt */
-	mod_timer(&sharpsl_pm.chrg_full_timer, jiffies + msecs_to_jiffies(500));
-
-	return IRQ_HANDLED;
-}
-
-irqreturn_t sharpsl_fatal_isr(int irq, void *dev_id)
-{
-	int is_fatal = 0;
-
-	if (!sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_LOCK)) {
-		dev_err(sharpsl_pm.dev, "Battery now Unlocked! Suspending.\n");
-		is_fatal = 1;
-	}
-
-	if (!sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_FATAL)) {
-		dev_err(sharpsl_pm.dev, "Fatal Batt Error! Suspending.\n");
-		is_fatal = 1;
-	}
-
-	if (!(sharpsl_pm.flags & SHARPSL_APM_QUEUED) && is_fatal) {
-		sharpsl_pm.flags |= SHARPSL_APM_QUEUED;
-		apm_queue_event(APM_CRITICAL_SUSPEND);
-	}
-
-	return IRQ_HANDLED;
-}
-
-/*
- * Maintain an average of the last 10 readings
- */
-#define SHARPSL_CNV_VALUE_NUM    10
-static int sharpsl_ad_index;
-
-static void sharpsl_average_clear(void)
-{
-	sharpsl_ad_index = 0;
-}
-
-static int sharpsl_average_value(int ad)
-{
-	int i, ad_val = 0;
-	static int sharpsl_ad[SHARPSL_CNV_VALUE_NUM+1];
-
-	if (sharpsl_pm.battstat.mainbat_status != APM_BATTERY_STATUS_HIGH) {
-		sharpsl_ad_index = 0;
-		return ad;
-	}
-
-	sharpsl_ad[sharpsl_ad_index] = ad;
-	sharpsl_ad_index++;
-	if (sharpsl_ad_index >= SHARPSL_CNV_VALUE_NUM) {
-		for (i=0; i < (SHARPSL_CNV_VALUE_NUM-1); i++)
-			sharpsl_ad[i] = sharpsl_ad[i+1];
-		sharpsl_ad_index = SHARPSL_CNV_VALUE_NUM - 1;
-	}
-	for (i=0; i < sharpsl_ad_index; i++)
-		ad_val += sharpsl_ad[i];
-
-	return (ad_val / sharpsl_ad_index);
-}
-
-/*
- * Take an array of 5 integers, remove the maximum and minimum values
- * and return the average.
- */
-static int get_select_val(int *val)
-{
-	int i, j, k, temp, sum = 0;
-
-	/* Find MAX val */
-	temp = val[0];
-	j=0;
-	for (i=1; i<5; i++) {
-		if (temp < val[i]) {
-			temp = val[i];
-			j = i;
-		}
-	}
-
-	/* Find MIN val */
-	temp = val[4];
-	k=4;
-	for (i=3; i>=0; i--) {
-		if (temp > val[i]) {
-			temp = val[i];
-			k = i;
-		}
-	}
-
-	for (i=0; i<5; i++)
-		if (i != j && i != k )
-			sum += val[i];
-
-	dev_dbg(sharpsl_pm.dev, "Average: %d from values: %d, %d, %d, %d, %d\n", sum/3, val[0], val[1], val[2], val[3], val[4]);
-
-	return (sum/3);
-}
-
-static int sharpsl_check_battery_temp(void)
-{
-	int val, i, buff[5];
-
-	/* Check battery temperature */
-	for (i=0; i<5; i++) {
-		mdelay(SHARPSL_CHECK_BATTERY_WAIT_TIME_TEMP);
-		sharpsl_pm.machinfo->measure_temp(1);
-		mdelay(SHARPSL_CHECK_BATTERY_WAIT_TIME_TEMP);
-		buff[i] = sharpsl_pm.machinfo->read_devdata(SHARPSL_BATT_TEMP);
-		sharpsl_pm.machinfo->measure_temp(0);
-	}
-
-	val = get_select_val(buff);
-
-	dev_dbg(sharpsl_pm.dev, "Temperature: %d\n", val);
-	if (val > sharpsl_pm.machinfo->charge_on_temp) {
-		printk(KERN_WARNING "Not charging: temperature out of limits.\n");
-		return -1;
-	}
-
-	return 0;
-}
-
-#ifdef CONFIG_PM
-static int sharpsl_check_battery_voltage(void)
-{
-	int val, i, buff[5];
-
-	/* disable charge, enable discharge */
-	sharpsl_pm.machinfo->charge(0);
-	sharpsl_pm.machinfo->discharge(1);
-	mdelay(SHARPSL_WAIT_DISCHARGE_ON);
-
-	if (sharpsl_pm.machinfo->discharge1)
-		sharpsl_pm.machinfo->discharge1(1);
-
-	/* Check battery voltage */
-	for (i=0; i<5; i++) {
-		buff[i] = sharpsl_pm.machinfo->read_devdata(SHARPSL_BATT_VOLT);
-		mdelay(SHARPSL_CHECK_BATTERY_WAIT_TIME_VOLT);
-	}
-
-	if (sharpsl_pm.machinfo->discharge1)
-		sharpsl_pm.machinfo->discharge1(0);
-
-	sharpsl_pm.machinfo->discharge(0);
-
-	val = get_select_val(buff);
-	dev_dbg(sharpsl_pm.dev, "Battery Voltage: %d\n", val);
-
-	if (val < sharpsl_pm.machinfo->charge_on_volt)
-		return -1;
-
-	return 0;
-}
-#endif
-
-static int sharpsl_ac_check(void)
-{
-	int temp, i, buff[5];
-
-	for (i=0; i<5; i++) {
-		buff[i] = sharpsl_pm.machinfo->read_devdata(SHARPSL_ACIN_VOLT);
-		mdelay(SHARPSL_CHECK_BATTERY_WAIT_TIME_ACIN);
-	}
-
-	temp = get_select_val(buff);
-	dev_dbg(sharpsl_pm.dev, "AC Voltage: %d\n",temp);
-
-	if ((temp > sharpsl_pm.machinfo->charge_acin_high) || (temp < sharpsl_pm.machinfo->charge_acin_low)) {
-		dev_err(sharpsl_pm.dev, "Error: AC check failed.\n");
-		return -1;
-	}
-
-	return 0;
-}
-
-#ifdef CONFIG_PM
-static int sharpsl_pm_suspend(struct platform_device *pdev, pm_message_t state)
-{
-	sharpsl_pm.flags |= SHARPSL_SUSPENDED;
-	flush_scheduled_work();
-
-	if (sharpsl_pm.charge_mode == CHRG_ON)
-		sharpsl_pm.flags |= SHARPSL_DO_OFFLINE_CHRG;
-	else
-		sharpsl_pm.flags &= ~SHARPSL_DO_OFFLINE_CHRG;
-
-	return 0;
-}
-
-static int sharpsl_pm_resume(struct platform_device *pdev)
-{
-	/* Clear the reset source indicators as they break the bootloader upon reboot */
-	RCSR = 0x0f;
-	sharpsl_average_clear();
-	sharpsl_pm.flags &= ~SHARPSL_APM_QUEUED;
-	sharpsl_pm.flags &= ~SHARPSL_SUSPENDED;
-
-	return 0;
-}
-
-static void corgi_goto_sleep(unsigned long alarm_time, unsigned int alarm_enable, suspend_state_t state)
-{
-	dev_dbg(sharpsl_pm.dev, "Time is: %08x\n",RCNR);
-
-	dev_dbg(sharpsl_pm.dev, "Offline Charge Activate = %d\n",sharpsl_pm.flags & SHARPSL_DO_OFFLINE_CHRG);
-	/* not charging and AC-IN! */
-
-	if ((sharpsl_pm.flags & SHARPSL_DO_OFFLINE_CHRG) && (sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_ACIN))) {
-		dev_dbg(sharpsl_pm.dev, "Activating Offline Charger...\n");
-		sharpsl_pm.charge_mode = CHRG_OFF;
-		sharpsl_pm.flags &= ~SHARPSL_DO_OFFLINE_CHRG;
-		sharpsl_off_charge_battery();
-	}
-
-	sharpsl_pm.machinfo->presuspend();
-
-	PEDR = 0xffffffff; /* clear it */
-
-	sharpsl_pm.flags &= ~SHARPSL_ALARM_ACTIVE;
-	if ((sharpsl_pm.charge_mode == CHRG_ON) && ((alarm_enable && ((alarm_time - RCNR) > (SHARPSL_BATCHK_TIME_SUSPEND + 30))) || !alarm_enable)) {
-		RTSR &= RTSR_ALE;
-		RTAR = RCNR + SHARPSL_BATCHK_TIME_SUSPEND;
-		dev_dbg(sharpsl_pm.dev, "Charging alarm at: %08x\n",RTAR);
-		sharpsl_pm.flags |= SHARPSL_ALARM_ACTIVE;
-	} else if (alarm_enable) {
-		RTSR &= RTSR_ALE;
-		RTAR = alarm_time;
-		dev_dbg(sharpsl_pm.dev, "User alarm at: %08x\n",RTAR);
-	} else {
-		dev_dbg(sharpsl_pm.dev, "No alarms set.\n");
-	}
-
-	pxa_pm_enter(state);
-
-	sharpsl_pm.machinfo->postsuspend();
-
-	dev_dbg(sharpsl_pm.dev, "Corgi woken up from suspend: %08x\n",PEDR);
-}
-
-static int corgi_enter_suspend(unsigned long alarm_time, unsigned int alarm_enable, suspend_state_t state)
-{
-	if (!sharpsl_pm.machinfo->should_wakeup(!(sharpsl_pm.flags & SHARPSL_ALARM_ACTIVE) && alarm_enable) )
-	{
-		if (!(sharpsl_pm.flags & SHARPSL_ALARM_ACTIVE)) {
-			dev_dbg(sharpsl_pm.dev, "No user triggered wakeup events and not charging. Strange. Suspend.\n");
-			corgi_goto_sleep(alarm_time, alarm_enable, state);
-			return 1;
-		}
-		if(sharpsl_off_charge_battery()) {
-			dev_dbg(sharpsl_pm.dev, "Charging. Suspend...\n");
-			corgi_goto_sleep(alarm_time, alarm_enable, state);
-			return 1;
-		}
-		dev_dbg(sharpsl_pm.dev, "User triggered wakeup in offline charger.\n");
-	}
-
-	if ((!sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_LOCK)) || (sharpsl_fatal_check() < 0) )
-	{
-		dev_err(sharpsl_pm.dev, "Fatal condition. Suspend.\n");
-		corgi_goto_sleep(alarm_time, alarm_enable, state);
-		return 1;
-	}
-
-	return 0;
-}
-
-static int corgi_pxa_pm_enter(suspend_state_t state)
-{
-	unsigned long alarm_time = RTAR;
-	unsigned int alarm_status = ((RTSR & RTSR_ALE) != 0);
-
-	dev_dbg(sharpsl_pm.dev, "SharpSL suspending for first time.\n");
-
-	corgi_goto_sleep(alarm_time, alarm_status, state);
-
-	while (corgi_enter_suspend(alarm_time,alarm_status,state))
-		{}
-
-	if (sharpsl_pm.machinfo->earlyresume)
-		sharpsl_pm.machinfo->earlyresume();
-
-	dev_dbg(sharpsl_pm.dev, "SharpSL resuming...\n");
-
-	return 0;
-}
-
-/*
- * Check for fatal battery errors
- * Fatal returns -1
- */
-static int sharpsl_fatal_check(void)
-{
-	int buff[5], temp, i, acin;
-
-	dev_dbg(sharpsl_pm.dev, "sharpsl_fatal_check entered\n");
-
-	/* Check AC-Adapter */
-	acin = sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_ACIN);
-
-	if (acin && (sharpsl_pm.charge_mode == CHRG_ON)) {
-		sharpsl_pm.machinfo->charge(0);
-		udelay(100);
-		sharpsl_pm.machinfo->discharge(1);	/* enable discharge */
-		mdelay(SHARPSL_WAIT_DISCHARGE_ON);
-	}
-
-	if (sharpsl_pm.machinfo->discharge1)
-		sharpsl_pm.machinfo->discharge1(1);
-
-	/* Check battery : check inserting battery ? */
-	for (i=0; i<5; i++) {
-		buff[i] = sharpsl_pm.machinfo->read_devdata(SHARPSL_BATT_VOLT);
-		mdelay(SHARPSL_CHECK_BATTERY_WAIT_TIME_VOLT);
-	}
-
-	if (sharpsl_pm.machinfo->discharge1)
-		sharpsl_pm.machinfo->discharge1(0);
-
-	if (acin && (sharpsl_pm.charge_mode == CHRG_ON)) {
-		udelay(100);
-		sharpsl_pm.machinfo->charge(1);
-		sharpsl_pm.machinfo->discharge(0);
-	}
-
-	temp = get_select_val(buff);
-	dev_dbg(sharpsl_pm.dev, "sharpsl_fatal_check: acin: %d, discharge voltage: %d, no discharge: %ld\n", acin, temp, sharpsl_pm.machinfo->read_devdata(SHARPSL_BATT_VOLT));
-
-	if ((acin && (temp < sharpsl_pm.machinfo->fatal_acin_volt)) ||
-			(!acin && (temp < sharpsl_pm.machinfo->fatal_noacin_volt)))
-		return -1;
-	return 0;
-}
-
-static int sharpsl_off_charge_error(void)
-{
-	dev_err(sharpsl_pm.dev, "Offline Charger: Error occurred.\n");
-	sharpsl_pm.machinfo->charge(0);
-	sharpsl_pm_led(SHARPSL_LED_ERROR);
-	sharpsl_pm.charge_mode = CHRG_ERROR;
-	return 1;
-}
-
-/*
- * Charging Control while suspended
- * Return 1 - go straight to sleep
- * Return 0 - sleep or wakeup depending on other factors
- */
-static int sharpsl_off_charge_battery(void)
-{
-	int time;
-
-	dev_dbg(sharpsl_pm.dev, "Charge Mode: %d\n", sharpsl_pm.charge_mode);
-
-	if (sharpsl_pm.charge_mode == CHRG_OFF) {
-		dev_dbg(sharpsl_pm.dev, "Offline Charger: Step 1\n");
-
-		/* AC Check */
-		if ((sharpsl_ac_check() < 0) || (sharpsl_check_battery_temp() < 0))
-			return sharpsl_off_charge_error();
-
-		/* Start Charging */
-		sharpsl_pm_led(SHARPSL_LED_ON);
-		sharpsl_pm.machinfo->charge(0);
-		mdelay(SHARPSL_CHARGE_WAIT_TIME);
-		sharpsl_pm.machinfo->charge(1);
-
-		sharpsl_pm.charge_mode = CHRG_ON;
-		sharpsl_pm.full_count = 0;
-
-		return 1;
-	} else if (sharpsl_pm.charge_mode != CHRG_ON) {
-		return 1;
-	}
-
-	if (sharpsl_pm.full_count == 0) {
-		int time;
-
-		dev_dbg(sharpsl_pm.dev, "Offline Charger: Step 2\n");
-
-		if ((sharpsl_check_battery_temp() < 0) || (sharpsl_check_battery_voltage() < 0))
-			return sharpsl_off_charge_error();
-
-		sharpsl_pm.machinfo->charge(0);
-		mdelay(SHARPSL_CHARGE_WAIT_TIME);
-		sharpsl_pm.machinfo->charge(1);
-		sharpsl_pm.charge_mode = CHRG_ON;
-
-		mdelay(SHARPSL_CHARGE_CO_CHECK_TIME);
-
-		time = RCNR;
-		while(1) {
-			/* Check if any wakeup event had occurred */
-			if (sharpsl_pm.machinfo->charger_wakeup() != 0)
-				return 0;
-			/* Check for timeout */
-			if ((RCNR - time) > SHARPSL_WAIT_CO_TIME)
-				return 1;
-			if (sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_CHRGFULL)) {
-				dev_dbg(sharpsl_pm.dev, "Offline Charger: Charge full occurred. Retrying to check\n");
-	   			sharpsl_pm.full_count++;
-				sharpsl_pm.machinfo->charge(0);
-				mdelay(SHARPSL_CHARGE_WAIT_TIME);
-				sharpsl_pm.machinfo->charge(1);
-				return 1;
-			}
-		}
-	}
-
-	dev_dbg(sharpsl_pm.dev, "Offline Charger: Step 3\n");
-
-	mdelay(SHARPSL_CHARGE_CO_CHECK_TIME);
-
-	time = RCNR;
-	while(1) {
-		/* Check if any wakeup event had occurred */
-		if (sharpsl_pm.machinfo->charger_wakeup() != 0)
-			return 0;
-		/* Check for timeout */
-		if ((RCNR-time) > SHARPSL_WAIT_CO_TIME) {
-			if (sharpsl_pm.full_count > SHARPSL_CHARGE_RETRY_CNT) {
-				dev_dbg(sharpsl_pm.dev, "Offline Charger: Not charged sufficiently. Retrying.\n");
-				sharpsl_pm.full_count = 0;
-			}
-			sharpsl_pm.full_count++;
-			return 1;
-		}
-		if (sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_CHRGFULL)) {
-			dev_dbg(sharpsl_pm.dev, "Offline Charger: Charging complete.\n");
-			sharpsl_pm_led(SHARPSL_LED_OFF);
-			sharpsl_pm.machinfo->charge(0);
-			sharpsl_pm.charge_mode = CHRG_DONE;
-			return 1;
-		}
-	}
-}
-#else
-#define sharpsl_pm_suspend	NULL
-#define sharpsl_pm_resume	NULL
-#endif
-
-static ssize_t battery_percentage_show(struct device *dev, struct device_attribute *attr, char *buf)
-{
-	return sprintf(buf, "%d\n",sharpsl_pm.battstat.mainbat_percent);
-}
-
-static ssize_t battery_voltage_show(struct device *dev, struct device_attribute *attr, char *buf)
-{
-	return sprintf(buf, "%d\n",sharpsl_pm.battstat.mainbat_voltage);
-}
-
-static DEVICE_ATTR(battery_percentage, 0444, battery_percentage_show, NULL);
-static DEVICE_ATTR(battery_voltage, 0444, battery_voltage_show, NULL);
-
-extern void (*apm_get_power_status)(struct apm_power_info *);
-
-static void sharpsl_apm_get_power_status(struct apm_power_info *info)
-{
-	info->ac_line_status = sharpsl_pm.battstat.ac_status;
-
-	if (sharpsl_pm.charge_mode == CHRG_ON)
-		info->battery_status = APM_BATTERY_STATUS_CHARGING;
-	else
-		info->battery_status = sharpsl_pm.battstat.mainbat_status;
-
-	info->battery_flag = (1 << info->battery_status);
-	info->battery_life = sharpsl_pm.battstat.mainbat_percent;
-}
-
-#ifdef CONFIG_PM
-static struct platform_suspend_ops sharpsl_pm_ops = {
-	.enter		= corgi_pxa_pm_enter,
-	.valid		= suspend_valid_only_mem,
-};
-#endif
-
-static int __init sharpsl_pm_probe(struct platform_device *pdev)
-{
-	int ret;
-
-	if (!pdev->dev.platform_data)
-		return -EINVAL;
-
-	sharpsl_pm.dev = &pdev->dev;
-	sharpsl_pm.machinfo = pdev->dev.platform_data;
-	sharpsl_pm.charge_mode = CHRG_OFF;
-	sharpsl_pm.flags = 0;
-
-	init_timer(&sharpsl_pm.ac_timer);
-	sharpsl_pm.ac_timer.function = sharpsl_ac_timer;
-
-	init_timer(&sharpsl_pm.chrg_full_timer);
-	sharpsl_pm.chrg_full_timer.function = sharpsl_chrg_full_timer;
-
-	led_trigger_register_simple("sharpsl-charge", &sharpsl_charge_led_trigger);
-
-	sharpsl_pm.machinfo->init();
-
-	ret = device_create_file(&pdev->dev, &dev_attr_battery_percentage);
-	ret |= device_create_file(&pdev->dev, &dev_attr_battery_voltage);
-	if (ret != 0)
-		dev_warn(&pdev->dev, "Failed to register attributes (%d)\n", ret);
-
-	apm_get_power_status = sharpsl_apm_get_power_status;
-
-#ifdef CONFIG_PM
-	suspend_set_ops(&sharpsl_pm_ops);
-#endif
-
-	mod_timer(&sharpsl_pm.ac_timer, jiffies + msecs_to_jiffies(250));
-
-	return 0;
-}
-
-static int sharpsl_pm_remove(struct platform_device *pdev)
-{
-	suspend_set_ops(NULL);
-
-	device_remove_file(&pdev->dev, &dev_attr_battery_percentage);
-	device_remove_file(&pdev->dev, &dev_attr_battery_voltage);
-
-	led_trigger_unregister_simple(sharpsl_charge_led_trigger);
-
-	sharpsl_pm.machinfo->exit();
-
-	del_timer_sync(&sharpsl_pm.chrg_full_timer);
-	del_timer_sync(&sharpsl_pm.ac_timer);
-
-	return 0;
-}
-
-static struct platform_driver sharpsl_pm_driver = {
-	.probe		= sharpsl_pm_probe,
-	.remove		= sharpsl_pm_remove,
-	.suspend	= sharpsl_pm_suspend,
-	.resume		= sharpsl_pm_resume,
-	.driver		= {
-		.name		= "sharpsl-pm",
-	},
-};
-
-static int __devinit sharpsl_pm_init(void)
-{
-	return platform_driver_register(&sharpsl_pm_driver);
-}
-
-static void sharpsl_pm_exit(void)
-{
- 	platform_driver_unregister(&sharpsl_pm_driver);
-}
-
-late_initcall(sharpsl_pm_init);
-module_exit(sharpsl_pm_exit);
diff --git a/arch/arm/common/vic.c b/arch/arm/common/vic.c
index b2a781d9ce0..887c6eb3a18 100644
--- a/arch/arm/common/vic.c
+++ b/arch/arm/common/vic.c
@@ -21,6 +21,7 @@
 #include <linux/init.h>
 #include <linux/list.h>
 #include <linux/io.h>
+#include <linux/sysdev.h>
 
 #include <asm/mach/irq.h>
 #include <asm/hardware/vic.h>
@@ -39,11 +40,219 @@ static void vic_unmask_irq(unsigned int irq)
 	writel(1 << irq, base + VIC_INT_ENABLE);
 }
 
+/**
+ * vic_init2 - common initialisation code
+ * @base: Base of the VIC.
+ *
+ * Common initialisation code for registeration
+ * and resume.
+*/
+static void vic_init2(void __iomem *base)
+{
+	int i;
+
+	for (i = 0; i < 16; i++) {
+		void __iomem *reg = base + VIC_VECT_CNTL0 + (i * 4);
+		writel(VIC_VECT_CNTL_ENABLE | i, reg);
+	}
+
+	writel(32, base + VIC_PL190_DEF_VECT_ADDR);
+}
+
+#if defined(CONFIG_PM)
+/**
+ * struct vic_device - VIC PM device
+ * @sysdev: The system device which is registered.
+ * @irq: The IRQ number for the base of the VIC.
+ * @base: The register base for the VIC.
+ * @resume_sources: A bitmask of interrupts for resume.
+ * @resume_irqs: The IRQs enabled for resume.
+ * @int_select: Save for VIC_INT_SELECT.
+ * @int_enable: Save for VIC_INT_ENABLE.
+ * @soft_int: Save for VIC_INT_SOFT.
+ * @protect: Save for VIC_PROTECT.
+ */
+struct vic_device {
+	struct sys_device sysdev;
+
+	void __iomem	*base;
+	int		irq;
+	u32		resume_sources;
+	u32		resume_irqs;
+	u32		int_select;
+	u32		int_enable;
+	u32		soft_int;
+	u32		protect;
+};
+
+/* we cannot allocate memory when VICs are initially registered */
+static struct vic_device vic_devices[CONFIG_ARM_VIC_NR];
+
+static inline struct vic_device *to_vic(struct sys_device *sys)
+{
+	return container_of(sys, struct vic_device, sysdev);
+}
+
+static int vic_id;
+
+static int vic_class_resume(struct sys_device *dev)
+{
+	struct vic_device *vic = to_vic(dev);
+	void __iomem *base = vic->base;
+
+	printk(KERN_DEBUG "%s: resuming vic at %p\n", __func__, base);
+
+	/* re-initialise static settings */
+	vic_init2(base);
+
+	writel(vic->int_select, base + VIC_INT_SELECT);
+	writel(vic->protect, base + VIC_PROTECT);
+
+	/* set the enabled ints and then clear the non-enabled */
+	writel(vic->int_enable, base + VIC_INT_ENABLE);
+	writel(~vic->int_enable, base + VIC_INT_ENABLE_CLEAR);
+
+	/* and the same for the soft-int register */
+
+	writel(vic->soft_int, base + VIC_INT_SOFT);
+	writel(~vic->soft_int, base + VIC_INT_SOFT_CLEAR);
+
+	return 0;
+}
+
+static int vic_class_suspend(struct sys_device *dev, pm_message_t state)
+{
+	struct vic_device *vic = to_vic(dev);
+	void __iomem *base = vic->base;
+
+	printk(KERN_DEBUG "%s: suspending vic at %p\n", __func__, base);
+
+	vic->int_select = readl(base + VIC_INT_SELECT);
+	vic->int_enable = readl(base + VIC_INT_ENABLE);
+	vic->soft_int = readl(base + VIC_INT_SOFT);
+	vic->protect = readl(base + VIC_PROTECT);
+
+	/* set the interrupts (if any) that are used for
+	 * resuming the system */
+
+	writel(vic->resume_irqs, base + VIC_INT_ENABLE);
+	writel(~vic->resume_irqs, base + VIC_INT_ENABLE_CLEAR);
+
+	return 0;
+}
+
+struct sysdev_class vic_class = {
+	.name		= "vic",
+	.suspend	= vic_class_suspend,
+	.resume		= vic_class_resume,
+};
+
+/**
+ * vic_pm_register - Register a VIC for later power management control
+ * @base: The base address of the VIC.
+ * @irq: The base IRQ for the VIC.
+ * @resume_sources: bitmask of interrupts allowed for resume sources.
+ *
+ * Register the VIC with the system device tree so that it can be notified
+ * of suspend and resume requests and ensure that the correct actions are
+ * taken to re-instate the settings on resume.
+ */
+static void __init vic_pm_register(void __iomem *base, unsigned int irq, u32 resume_sources)
+{
+	struct vic_device *v;
+
+	if (vic_id >= ARRAY_SIZE(vic_devices))
+		printk(KERN_ERR "%s: too few VICs, increase CONFIG_ARM_VIC_NR\n", __func__);
+	else {
+		v = &vic_devices[vic_id];
+		v->base = base;
+		v->resume_sources = resume_sources;
+		v->irq = irq;
+		vic_id++;
+	}
+}
+
+/**
+ * vic_pm_init - initicall to register VIC pm
+ *
+ * This is called via late_initcall() to register
+ * the resources for the VICs due to the early
+ * nature of the VIC's registration.
+*/
+static int __init vic_pm_init(void)
+{
+	struct vic_device *dev = vic_devices;
+	int err;
+	int id;
+
+	if (vic_id == 0)
+		return 0;
+
+	err = sysdev_class_register(&vic_class);
+	if (err) {
+		printk(KERN_ERR "%s: cannot register class\n", __func__);
+		return err;
+	}
+
+	for (id = 0; id < vic_id; id++, dev++) {
+		dev->sysdev.id = id;
+		dev->sysdev.cls = &vic_class;
+
+		err = sysdev_register(&dev->sysdev);
+		if (err) {
+			printk(KERN_ERR "%s: failed to register device\n",
+			       __func__);
+			return err;
+		}
+	}
+
+	return 0;
+}
+
+late_initcall(vic_pm_init);
+
+static struct vic_device *vic_from_irq(unsigned int irq)
+{
+        struct vic_device *v = vic_devices;
+	unsigned int base_irq = irq & ~31;
+	int id;
+
+	for (id = 0; id < vic_id; id++, v++) {
+		if (v->irq == base_irq)
+			return v;
+	}
+
+	return NULL;
+}
+
+static int vic_set_wake(unsigned int irq, unsigned int on)
+{
+	struct vic_device *v = vic_from_irq(irq);
+	unsigned int off = irq & 31;
+
+	if (!v)
+		return -EINVAL;
+
+	if (on)
+		v->resume_irqs |= 1 << off;
+	else
+		v->resume_irqs &= ~(1 << off);
+
+	return 0;
+}
+
+#else
+static inline void vic_pm_register(void __iomem *base, unsigned int irq, u32 arg1) { }
+
+#define vic_set_wake NULL
+#endif /* CONFIG_PM */
+
 static struct irq_chip vic_chip = {
 	.name	= "VIC",
 	.ack	= vic_mask_irq,
 	.mask	= vic_mask_irq,
 	.unmask	= vic_unmask_irq,
+	.set_wake = vic_set_wake,
 };
 
 /**
@@ -51,9 +260,10 @@ static struct irq_chip vic_chip = {
  * @base: iomem base address
  * @irq_start: starting interrupt number, must be muliple of 32
  * @vic_sources: bitmask of interrupt sources to allow
+ * @resume_sources: bitmask of interrupt sources to allow for resume
  */
 void __init vic_init(void __iomem *base, unsigned int irq_start,
-		     u32 vic_sources)
+		     u32 vic_sources, u32 resume_sources)
 {
 	unsigned int i;
 
@@ -77,12 +287,7 @@ void __init vic_init(void __iomem *base, unsigned int irq_start,
 		writel(value, base + VIC_PL190_VECT_ADDR);
 	}
 
-	for (i = 0; i < 16; i++) {
-		void __iomem *reg = base + VIC_VECT_CNTL0 + (i * 4);
-		writel(VIC_VECT_CNTL_ENABLE | i, reg);
-	}
-
-	writel(32, base + VIC_PL190_DEF_VECT_ADDR);
+	vic_init2(base);
 
 	for (i = 0; i < 32; i++) {
 		if (vic_sources & (1 << i)) {
@@ -94,4 +299,6 @@ void __init vic_init(void __iomem *base, unsigned int irq_start,
 			set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
 		}
 	}
+
+	vic_pm_register(base, irq_start, resume_sources);
 }