*
* Copyright (C) 1998 Paul Mackerras and Fabio Riccardi.
* Copyright (C) 2001-2002 Benjamin Herrenschmidt
+ * Copyright (C) 2006-2007 Johannes Berg
*
* THIS DRIVER IS BECOMING A TOTAL MESS !
* - Cleanup atomically disabling reply to PMU events after
* a sleep or a freq. switch
- * - Move sleep code out of here to pmac_pm, merge into new
- * common PM infrastructure
- * - Save/Restore PCI space properly
*
*/
#include <stdarg.h>
+#include <linux/smp_lock.h>
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/adb.h>
#include <linux/pmu.h>
#include <linux/cuda.h>
-#include <linux/smp_lock.h>
#include <linux/module.h>
#include <linux/spinlock.h>
#include <linux/pm.h>
#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/device.h>
#include <linux/sysdev.h>
-#include <linux/suspend.h>
+#include <linux/freezer.h>
#include <linux/syscalls.h>
+#include <linux/suspend.h>
#include <linux/cpu.h>
#include <asm/prom.h>
#include <asm/machdep.h>
#include "via-pmu-event.h"
/* Some compile options */
-#undef SUSPEND_USES_PMU
-#define DEBUG_SLEEP
-#undef HACKED_PCI_SAVE
+#undef DEBUG_SLEEP
/* Misc minor number allocated for /dev/pmu */
#define PMU_MINOR 154
static volatile int disable_poll;
static struct device_node *vias;
static int pmu_kind = PMU_UNKNOWN;
-static int pmu_fully_inited = 0;
+static int pmu_fully_inited;
static int pmu_has_adb;
static struct device_node *gpio_node;
-static unsigned char __iomem *gpio_reg = NULL;
+static unsigned char __iomem *gpio_reg;
static int gpio_irq = NO_IRQ;
static int gpio_irq_enabled = -1;
-static volatile int pmu_suspended = 0;
+static volatile int pmu_suspended;
static spinlock_t pmu_lock;
static u8 pmu_intr_mask;
static int pmu_version;
static int drop_interrupts;
-#if defined(CONFIG_PM) && defined(CONFIG_PPC32)
+#if defined(CONFIG_SUSPEND) && defined(CONFIG_PPC32)
static int option_lid_wakeup = 1;
-#endif /* CONFIG_PM && CONFIG_PPC32 */
-#if (defined(CONFIG_PM)&&defined(CONFIG_PPC32))||defined(CONFIG_PMAC_BACKLIGHT_LEGACY)
-static int sleep_in_progress;
-#endif
+#endif /* CONFIG_SUSPEND && CONFIG_PPC32 */
static unsigned long async_req_locks;
static unsigned int pmu_irq_stats[11];
int pmu_battery_count;
int pmu_cur_battery;
-unsigned int pmu_power_flags;
+unsigned int pmu_power_flags = PMU_PWR_AC_PRESENT;
struct pmu_battery_info pmu_batteries[PMU_MAX_BATTERIES];
static int query_batt_timer = BATTERY_POLLING_COUNT;
static struct adb_request batt_req;
int __fake_sleep;
int asleep;
-BLOCKING_NOTIFIER_HEAD(sleep_notifier_list);
#ifdef CONFIG_ADB
-static int adb_dev_map = 0;
+static int adb_dev_map;
static int pmu_adb_flags;
static int pmu_probe(void);
static int init_pmu(void);
static void pmu_start(void);
-static irqreturn_t via_pmu_interrupt(int irq, void *arg, struct pt_regs *regs);
-static irqreturn_t gpio1_interrupt(int irq, void *arg, struct pt_regs *regs);
-static int proc_get_info(char *page, char **start, off_t off,
- int count, int *eof, void *data);
-static int proc_get_irqstats(char *page, char **start, off_t off,
- int count, int *eof, void *data);
+static irqreturn_t via_pmu_interrupt(int irq, void *arg);
+static irqreturn_t gpio1_interrupt(int irq, void *arg);
+static const struct file_operations pmu_info_proc_fops;
+static const struct file_operations pmu_irqstats_proc_fops;
static void pmu_pass_intr(unsigned char *data, int len);
-static int proc_get_batt(char *page, char **start, off_t off,
- int count, int *eof, void *data);
-static int proc_read_options(char *page, char **start, off_t off,
- int count, int *eof, void *data);
-static int proc_write_options(struct file *file, const char __user *buffer,
- unsigned long count, void *data);
+static const struct file_operations pmu_battery_proc_fops;
+static const struct file_operations pmu_options_proc_fops;
#ifdef CONFIG_ADB
struct adb_driver via_pmu_driver = {
#ifdef DEBUG_SLEEP
int pmu_polled_request(struct adb_request *req);
-int pmu_wink(struct adb_request *req);
+void pmu_blink(int n);
#endif
/*
if (vias == NULL)
return 0;
- reg = get_property(vias, "reg", NULL);
+ reg = of_get_property(vias, "reg", NULL);
if (reg == NULL) {
printk(KERN_ERR "via-pmu: No \"reg\" property !\n");
goto fail;
PMU_INT_TICK;
if (vias->parent->name && ((strcmp(vias->parent->name, "ohare") == 0)
- || device_is_compatible(vias->parent, "ohare")))
+ || of_device_is_compatible(vias->parent, "ohare")))
pmu_kind = PMU_OHARE_BASED;
- else if (device_is_compatible(vias->parent, "paddington"))
+ else if (of_device_is_compatible(vias->parent, "paddington"))
pmu_kind = PMU_PADDINGTON_BASED;
- else if (device_is_compatible(vias->parent, "heathrow"))
+ else if (of_device_is_compatible(vias->parent, "heathrow"))
pmu_kind = PMU_HEATHROW_BASED;
- else if (device_is_compatible(vias->parent, "Keylargo")
- || device_is_compatible(vias->parent, "K2-Keylargo")) {
+ else if (of_device_is_compatible(vias->parent, "Keylargo")
+ || of_device_is_compatible(vias->parent, "K2-Keylargo")) {
struct device_node *gpiop;
+ struct device_node *adbp;
u64 gaddr = OF_BAD_ADDR;
pmu_kind = PMU_KEYLARGO_BASED;
- pmu_has_adb = (find_type_devices("adb") != NULL);
+ adbp = of_find_node_by_type(NULL, "adb");
+ pmu_has_adb = (adbp != NULL);
+ of_node_put(adbp);
pmu_intr_mask = PMU_INT_PCEJECT |
PMU_INT_SNDBRT |
PMU_INT_ADB |
gpiop = of_find_node_by_name(NULL, "gpio");
if (gpiop) {
- reg = get_property(gpiop, "reg", NULL);
+ reg = of_get_property(gpiop, "reg", NULL);
if (reg)
gaddr = of_translate_address(gpiop, reg);
if (gaddr != OF_BAD_ADDR)
gpio_reg = ioremap(gaddr, 0x10);
}
- if (gpio_reg == NULL)
+ if (gpio_reg == NULL) {
printk(KERN_ERR "via-pmu: Can't find GPIO reg !\n");
+ goto fail_gpio;
+ }
} else
pmu_kind = PMU_UNKNOWN;
return 1;
fail:
of_node_put(vias);
+ iounmap(gpio_reg);
+ gpio_reg = NULL;
+ fail_gpio:
vias = NULL;
return 0;
}
irq = irq_of_parse_and_map(vias, 0);
if (irq == NO_IRQ) {
- printk(KERN_ERR "via-pmu: can't map interruptn");
+ printk(KERN_ERR "via-pmu: can't map interrupt\n");
return -ENODEV;
}
- if (request_irq(irq, via_pmu_interrupt, 0, "VIA-PMU", (void *)0)) {
+ /* We set IRQF_TIMER because we don't want the interrupt to be disabled
+ * between the 2 passes of driver suspend, we control our own disabling
+ * for that one
+ */
+ if (request_irq(irq, via_pmu_interrupt, IRQF_TIMER, "VIA-PMU", (void *)0)) {
printk(KERN_ERR "via-pmu: can't request irq %d\n", irq);
return -ENODEV;
}
gpio_irq = irq_of_parse_and_map(gpio_node, 0);
if (gpio_irq != NO_IRQ) {
- if (request_irq(gpio_irq, gpio1_interrupt, 0,
+ if (request_irq(gpio_irq, gpio1_interrupt, IRQF_TIMER,
"GPIO1 ADB", (void *)0))
printk(KERN_ERR "pmu: can't get irq %d"
" (GPIO1)\n", gpio_irq);
pmu_batteries[0].flags |= PMU_BATT_TYPE_SMART;
pmu_batteries[1].flags |= PMU_BATT_TYPE_SMART;
} else {
- struct device_node* prim = find_devices("power-mgt");
+ struct device_node* prim =
+ of_find_node_by_name(NULL, "power-mgt");
const u32 *prim_info = NULL;
if (prim)
- prim_info = get_property(prim, "prim-info", NULL);
+ prim_info = of_get_property(prim, "prim-info", NULL);
if (prim_info) {
/* Other stuffs here yet unknown */
pmu_battery_count = (prim_info[6] >> 16) & 0xff;
if (pmu_battery_count > 1)
pmu_batteries[1].flags |= PMU_BATT_TYPE_SMART;
}
+ of_node_put(prim);
}
#endif /* CONFIG_PPC32 */
for (i=0; i<pmu_battery_count; i++) {
char title[16];
sprintf(title, "battery_%ld", i);
- proc_pmu_batt[i] = create_proc_read_entry(title, 0, proc_pmu_root,
- proc_get_batt, (void *)i);
+ proc_pmu_batt[i] = proc_create_data(title, 0, proc_pmu_root,
+ &pmu_battery_proc_fops, (void *)i);
}
- proc_pmu_info = create_proc_read_entry("info", 0, proc_pmu_root,
- proc_get_info, NULL);
- proc_pmu_irqstats = create_proc_read_entry("interrupts", 0, proc_pmu_root,
- proc_get_irqstats, NULL);
- proc_pmu_options = create_proc_entry("options", 0600, proc_pmu_root);
- if (proc_pmu_options) {
- proc_pmu_options->nlink = 1;
- proc_pmu_options->read_proc = proc_read_options;
- proc_pmu_options->write_proc = proc_write_options;
- }
+ proc_pmu_info = proc_create("info", 0, proc_pmu_root, &pmu_info_proc_fops);
+ proc_pmu_irqstats = proc_create("interrupts", 0, proc_pmu_root,
+ &pmu_irqstats_proc_fops);
+ proc_pmu_options = proc_create("options", 0600, proc_pmu_root,
+ &pmu_options_proc_fops);
}
return 0;
}
}
if (pmu_state == idle)
adb_int_pending = 1;
- via_pmu_interrupt(0, NULL, NULL);
+ via_pmu_interrupt(0, NULL);
udelay(10);
}
2, PMU_SMART_BATTERY_STATE, pmu_cur_battery+1);
}
-static int
-proc_get_info(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static int pmu_info_proc_show(struct seq_file *m, void *v)
{
- char* p = page;
-
- p += sprintf(p, "PMU driver version : %d\n", PMU_DRIVER_VERSION);
- p += sprintf(p, "PMU firmware version : %02x\n", pmu_version);
- p += sprintf(p, "AC Power : %d\n",
+ seq_printf(m, "PMU driver version : %d\n", PMU_DRIVER_VERSION);
+ seq_printf(m, "PMU firmware version : %02x\n", pmu_version);
+ seq_printf(m, "AC Power : %d\n",
((pmu_power_flags & PMU_PWR_AC_PRESENT) != 0) || pmu_battery_count == 0);
- p += sprintf(p, "Battery count : %d\n", pmu_battery_count);
+ seq_printf(m, "Battery count : %d\n", pmu_battery_count);
- return p - page;
+ return 0;
}
-static int
-proc_get_irqstats(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static int pmu_info_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, pmu_info_proc_show, NULL);
+}
+
+static const struct file_operations pmu_info_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = pmu_info_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int pmu_irqstats_proc_show(struct seq_file *m, void *v)
{
int i;
- char* p = page;
static const char *irq_names[] = {
"Total CB1 triggered events",
"Total GPIO1 triggered events",
};
for (i=0; i<11; i++) {
- p += sprintf(p, " %2u: %10u (%s)\n",
+ seq_printf(m, " %2u: %10u (%s)\n",
i, pmu_irq_stats[i], irq_names[i]);
}
- return p - page;
+ return 0;
}
-static int
-proc_get_batt(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static int pmu_irqstats_proc_open(struct inode *inode, struct file *file)
{
- long batnum = (long)data;
- char *p = page;
+ return single_open(file, pmu_irqstats_proc_show, NULL);
+}
+
+static const struct file_operations pmu_irqstats_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = pmu_irqstats_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int pmu_battery_proc_show(struct seq_file *m, void *v)
+{
+ long batnum = (long)m->private;
- p += sprintf(p, "\n");
- p += sprintf(p, "flags : %08x\n",
- pmu_batteries[batnum].flags);
- p += sprintf(p, "charge : %d\n",
- pmu_batteries[batnum].charge);
- p += sprintf(p, "max_charge : %d\n",
- pmu_batteries[batnum].max_charge);
- p += sprintf(p, "current : %d\n",
- pmu_batteries[batnum].amperage);
- p += sprintf(p, "voltage : %d\n",
- pmu_batteries[batnum].voltage);
- p += sprintf(p, "time rem. : %d\n",
- pmu_batteries[batnum].time_remaining);
-
- return p - page;
+ seq_putc(m, '\n');
+ seq_printf(m, "flags : %08x\n", pmu_batteries[batnum].flags);
+ seq_printf(m, "charge : %d\n", pmu_batteries[batnum].charge);
+ seq_printf(m, "max_charge : %d\n", pmu_batteries[batnum].max_charge);
+ seq_printf(m, "current : %d\n", pmu_batteries[batnum].amperage);
+ seq_printf(m, "voltage : %d\n", pmu_batteries[batnum].voltage);
+ seq_printf(m, "time rem. : %d\n", pmu_batteries[batnum].time_remaining);
+ return 0;
}
-static int
-proc_read_options(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static int pmu_battery_proc_open(struct inode *inode, struct file *file)
{
- char *p = page;
+ return single_open(file, pmu_battery_proc_show, PDE(inode)->data);
+}
+
+static const struct file_operations pmu_battery_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = pmu_battery_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
-#if defined(CONFIG_PM) && defined(CONFIG_PPC32)
+static int pmu_options_proc_show(struct seq_file *m, void *v)
+{
+#if defined(CONFIG_SUSPEND) && defined(CONFIG_PPC32)
if (pmu_kind == PMU_KEYLARGO_BASED &&
pmac_call_feature(PMAC_FTR_SLEEP_STATE,NULL,0,-1) >= 0)
- p += sprintf(p, "lid_wakeup=%d\n", option_lid_wakeup);
+ seq_printf(m, "lid_wakeup=%d\n", option_lid_wakeup);
#endif
if (pmu_kind == PMU_KEYLARGO_BASED)
- p += sprintf(p, "server_mode=%d\n", option_server_mode);
+ seq_printf(m, "server_mode=%d\n", option_server_mode);
+
+ return 0;
+}
- return p - page;
+static int pmu_options_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, pmu_options_proc_show, NULL);
}
-
-static int
-proc_write_options(struct file *file, const char __user *buffer,
- unsigned long count, void *data)
+
+static ssize_t pmu_options_proc_write(struct file *file,
+ const char __user *buffer, size_t count, loff_t *pos)
{
char tmp[33];
char *label, *val;
- unsigned long fcount = count;
+ size_t fcount = count;
if (!count)
return -EINVAL;
*(val++) = 0;
while(*val == ' ')
val++;
-#if defined(CONFIG_PM) && defined(CONFIG_PPC32)
+#if defined(CONFIG_SUSPEND) && defined(CONFIG_PPC32)
if (pmu_kind == PMU_KEYLARGO_BASED &&
pmac_call_feature(PMAC_FTR_SLEEP_STATE,NULL,0,-1) >= 0)
if (!strcmp(label, "lid_wakeup"))
return fcount;
}
+static const struct file_operations pmu_options_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = pmu_options_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .write = pmu_options_proc_write,
+};
+
#ifdef CONFIG_ADB
/* Send an ADB command */
-static int
-pmu_send_request(struct adb_request *req, int sync)
+static int pmu_send_request(struct adb_request *req, int sync)
{
int i, ret;
}
/* Enable/disable autopolling */
-static int
-pmu_adb_autopoll(int devs)
+static int __pmu_adb_autopoll(int devs)
{
struct adb_request req;
- if ((vias == NULL) || (!pmu_fully_inited) || !pmu_has_adb)
- return -ENXIO;
-
if (devs) {
- adb_dev_map = devs;
pmu_request(&req, NULL, 5, PMU_ADB_CMD, 0, 0x86,
adb_dev_map >> 8, adb_dev_map);
pmu_adb_flags = 2;
return 0;
}
+static int pmu_adb_autopoll(int devs)
+{
+ if ((vias == NULL) || (!pmu_fully_inited) || !pmu_has_adb)
+ return -ENXIO;
+
+ adb_dev_map = devs;
+ return __pmu_adb_autopoll(devs);
+}
+
/* Reset the ADB bus */
-static int
-pmu_adb_reset_bus(void)
+static int pmu_adb_reset_bus(void)
{
struct adb_request req;
int save_autopoll = adb_dev_map;
return -ENXIO;
/* anyone got a better idea?? */
- pmu_adb_autopoll(0);
+ __pmu_adb_autopoll(0);
- req.nbytes = 5;
+ req.nbytes = 4;
req.done = NULL;
req.data[0] = PMU_ADB_CMD;
- req.data[1] = 0;
- req.data[2] = ADB_BUSRESET;
+ req.data[1] = ADB_BUSRESET;
+ req.data[2] = 0;
req.data[3] = 0;
req.data[4] = 0;
req.reply_len = 0;
pmu_wait_complete(&req);
if (save_autopoll != 0)
- pmu_adb_autopoll(save_autopoll);
+ __pmu_adb_autopoll(save_autopoll);
return 0;
}
return;
if (disable_poll)
return;
- via_pmu_interrupt(0, NULL, NULL);
+ via_pmu_interrupt(0, NULL);
}
void
/* Kicks ADB read when PMU is suspended */
adb_int_pending = 1;
do {
- via_pmu_interrupt(0, NULL, NULL);
+ via_pmu_interrupt(0, NULL);
} while (pmu_suspended && (adb_int_pending || pmu_state != idle
|| req_awaiting_reply));
}
if (!via)
return;
while((pmu_state != idle && pmu_state != locked) || !req->complete)
- via_pmu_interrupt(0, NULL, NULL);
+ via_pmu_interrupt(0, NULL);
}
/* This function loops until the PMU is idle and prevents it from
pmu_suspend(void)
{
unsigned long flags;
-#ifdef SUSPEND_USES_PMU
- struct adb_request *req;
-#endif
+
if (!via)
return;
spin_unlock_irqrestore(&pmu_lock, flags);
if (req_awaiting_reply)
adb_int_pending = 1;
- via_pmu_interrupt(0, NULL, NULL);
+ via_pmu_interrupt(0, NULL);
spin_lock_irqsave(&pmu_lock, flags);
if (!adb_int_pending && pmu_state == idle && !req_awaiting_reply) {
-#ifdef SUSPEND_USES_PMU
- pmu_request(&req, NULL, 2, PMU_SET_INTR_MASK, 0);
- spin_unlock_irqrestore(&pmu_lock, flags);
- while(!req.complete)
- pmu_poll();
-#else /* SUSPEND_USES_PMU */
if (gpio_irq >= 0)
disable_irq_nosync(gpio_irq);
out_8(&via[IER], CB1_INT | IER_CLR);
spin_unlock_irqrestore(&pmu_lock, flags);
-#endif /* SUSPEND_USES_PMU */
break;
}
} while (1);
return;
}
adb_int_pending = 1;
-#ifdef SUSPEND_USES_PMU
- pmu_request(&req, NULL, 2, PMU_SET_INTR_MASK, pmu_intr_mask);
- spin_unlock_irqrestore(&pmu_lock, flags);
- while(!req.complete)
- pmu_poll();
-#else /* SUSPEND_USES_PMU */
if (gpio_irq >= 0)
enable_irq(gpio_irq);
out_8(&via[IER], CB1_INT | IER_SET);
spin_unlock_irqrestore(&pmu_lock, flags);
pmu_poll();
-#endif /* SUSPEND_USES_PMU */
}
/* Interrupt data could be the result data from an ADB cmd */
static void
-pmu_handle_data(unsigned char *data, int len, struct pt_regs *regs)
+pmu_handle_data(unsigned char *data, int len)
{
unsigned char ints, pirq;
int i = 0;
if (!(pmu_kind == PMU_OHARE_BASED && len == 4
&& data[1] == 0x2c && data[3] == 0xff
&& (data[2] & ~1) == 0xf4))
- adb_input(data+1, len-1, regs, 1);
+ adb_input(data+1, len-1, 1);
#endif /* CONFIG_ADB */
}
}
}
static struct adb_request*
-pmu_sr_intr(struct pt_regs *regs)
+pmu_sr_intr(void)
{
struct adb_request *req;
int bite = 0;
req = current_req;
/*
* For PMU sleep and freq change requests, we lock the
- * PMU until it's explicitely unlocked. This avoids any
+ * PMU until it's explicitly unlocked. This avoids any
* spurrious event polling getting in
*/
current_req = req->next;
}
static irqreturn_t
-via_pmu_interrupt(int irq, void *arg, struct pt_regs *regs)
+via_pmu_interrupt(int irq, void *arg)
{
unsigned long flags;
int intr;
pmu_irq_stats[0]++;
}
if (intr & SR_INT) {
- req = pmu_sr_intr(regs);
+ req = pmu_sr_intr();
if (req)
break;
}
/* Deal with interrupt datas outside of the lock */
if (int_data >= 0) {
- pmu_handle_data(interrupt_data[int_data], interrupt_data_len[int_data], regs);
+ pmu_handle_data(interrupt_data[int_data], interrupt_data_len[int_data]);
spin_lock_irqsave(&pmu_lock, flags);
++disable_poll;
int_data_state[int_data] = int_data_empty;
static irqreturn_t
-gpio1_interrupt(int irq, void *arg, struct pt_regs *regs)
+gpio1_interrupt(int irq, void *arg)
{
unsigned long flags;
pmu_irq_stats[1]++;
adb_int_pending = 1;
spin_unlock_irqrestore(&pmu_lock, flags);
- via_pmu_interrupt(0, NULL, NULL);
+ via_pmu_interrupt(0, NULL);
return IRQ_HANDLED;
}
return IRQ_NONE;
return via != 0;
}
-#ifdef CONFIG_PM
-
-static LIST_HEAD(sleep_notifiers);
-
-int
-pmu_register_sleep_notifier(struct pmu_sleep_notifier *n)
-{
- struct list_head *list;
- struct pmu_sleep_notifier *notifier;
-
- for (list = sleep_notifiers.next; list != &sleep_notifiers;
- list = list->next) {
- notifier = list_entry(list, struct pmu_sleep_notifier, list);
- if (n->priority > notifier->priority)
- break;
- }
- __list_add(&n->list, list->prev, list);
- return 0;
-}
-EXPORT_SYMBOL(pmu_register_sleep_notifier);
-
-int
-pmu_unregister_sleep_notifier(struct pmu_sleep_notifier* n)
-{
- if (n->list.next == 0)
- return -ENOENT;
- list_del(&n->list);
- n->list.next = NULL;
- return 0;
-}
-EXPORT_SYMBOL(pmu_unregister_sleep_notifier);
-#endif /* CONFIG_PM */
-
-#if defined(CONFIG_PM) && defined(CONFIG_PPC32)
-
-/* Sleep is broadcast last-to-first */
-static int
-broadcast_sleep(int when, int fallback)
-{
- int ret = PBOOK_SLEEP_OK;
- struct list_head *list;
- struct pmu_sleep_notifier *notifier;
-
- for (list = sleep_notifiers.prev; list != &sleep_notifiers;
- list = list->prev) {
- notifier = list_entry(list, struct pmu_sleep_notifier, list);
- ret = notifier->notifier_call(notifier, when);
- if (ret != PBOOK_SLEEP_OK) {
- printk(KERN_DEBUG "sleep %d rejected by %p (%p)\n",
- when, notifier, notifier->notifier_call);
- for (; list != &sleep_notifiers; list = list->next) {
- notifier = list_entry(list, struct pmu_sleep_notifier, list);
- notifier->notifier_call(notifier, fallback);
- }
- return ret;
- }
- }
- return ret;
-}
-
-/* Wake is broadcast first-to-last */
-static int
-broadcast_wake(void)
-{
- int ret = PBOOK_SLEEP_OK;
- struct list_head *list;
- struct pmu_sleep_notifier *notifier;
-
- for (list = sleep_notifiers.next; list != &sleep_notifiers;
- list = list->next) {
- notifier = list_entry(list, struct pmu_sleep_notifier, list);
- notifier->notifier_call(notifier, PBOOK_WAKE);
- }
- return ret;
-}
-
-/*
- * This struct is used to store config register values for
- * PCI devices which may get powered off when we sleep.
- */
-static struct pci_save {
-#ifndef HACKED_PCI_SAVE
- u16 command;
- u16 cache_lat;
- u16 intr;
- u32 rom_address;
-#else
- u32 config[16];
-#endif
-} *pbook_pci_saves;
-static int pbook_npci_saves;
-
-static void
-pbook_alloc_pci_save(void)
-{
- int npci;
- struct pci_dev *pd = NULL;
-
- npci = 0;
- while ((pd = pci_find_device(PCI_ANY_ID, PCI_ANY_ID, pd)) != NULL) {
- ++npci;
- }
- if (npci == 0)
- return;
- pbook_pci_saves = (struct pci_save *)
- kmalloc(npci * sizeof(struct pci_save), GFP_KERNEL);
- pbook_npci_saves = npci;
-}
-
-static void
-pbook_free_pci_save(void)
-{
- if (pbook_pci_saves == NULL)
- return;
- kfree(pbook_pci_saves);
- pbook_pci_saves = NULL;
- pbook_npci_saves = 0;
-}
-
-static void
-pbook_pci_save(void)
-{
- struct pci_save *ps = pbook_pci_saves;
- struct pci_dev *pd = NULL;
- int npci = pbook_npci_saves;
-
- if (ps == NULL)
- return;
-
- while ((pd = pci_find_device(PCI_ANY_ID, PCI_ANY_ID, pd)) != NULL) {
- if (npci-- == 0)
- return;
-#ifndef HACKED_PCI_SAVE
- pci_read_config_word(pd, PCI_COMMAND, &ps->command);
- pci_read_config_word(pd, PCI_CACHE_LINE_SIZE, &ps->cache_lat);
- pci_read_config_word(pd, PCI_INTERRUPT_LINE, &ps->intr);
- pci_read_config_dword(pd, PCI_ROM_ADDRESS, &ps->rom_address);
-#else
- int i;
- for (i=1;i<16;i++)
- pci_read_config_dword(pd, i<<4, &ps->config[i]);
-#endif
- ++ps;
- }
-}
-
-/* For this to work, we must take care of a few things: If gmac was enabled
- * during boot, it will be in the pci dev list. If it's disabled at this point
- * (and it will probably be), then you can't access it's config space.
- */
-static void
-pbook_pci_restore(void)
-{
- u16 cmd;
- struct pci_save *ps = pbook_pci_saves - 1;
- struct pci_dev *pd = NULL;
- int npci = pbook_npci_saves;
- int j;
-
- while ((pd = pci_find_device(PCI_ANY_ID, PCI_ANY_ID, pd)) != NULL) {
-#ifdef HACKED_PCI_SAVE
- int i;
- if (npci-- == 0)
- return;
- ps++;
- for (i=2;i<16;i++)
- pci_write_config_dword(pd, i<<4, ps->config[i]);
- pci_write_config_dword(pd, 4, ps->config[1]);
-#else
- if (npci-- == 0)
- return;
- ps++;
- if (ps->command == 0)
- continue;
- pci_read_config_word(pd, PCI_COMMAND, &cmd);
- if ((ps->command & ~cmd) == 0)
- continue;
- switch (pd->hdr_type) {
- case PCI_HEADER_TYPE_NORMAL:
- for (j = 0; j < 6; ++j)
- pci_write_config_dword(pd,
- PCI_BASE_ADDRESS_0 + j*4,
- pd->resource[j].start);
- pci_write_config_dword(pd, PCI_ROM_ADDRESS,
- ps->rom_address);
- pci_write_config_word(pd, PCI_CACHE_LINE_SIZE,
- ps->cache_lat);
- pci_write_config_word(pd, PCI_INTERRUPT_LINE,
- ps->intr);
- pci_write_config_word(pd, PCI_COMMAND, ps->command);
- break;
- }
-#endif
- }
-}
-
-#ifdef DEBUG_SLEEP
-/* N.B. This doesn't work on the 3400 */
-void
-pmu_blink(int n)
-{
- struct adb_request req;
-
- memset(&req, 0, sizeof(req));
-
- for (; n > 0; --n) {
- req.nbytes = 4;
- req.done = NULL;
- req.data[0] = 0xee;
- req.data[1] = 4;
- req.data[2] = 0;
- req.data[3] = 1;
- req.reply[0] = ADB_RET_OK;
- req.reply_len = 1;
- req.reply_expected = 0;
- pmu_polled_request(&req);
- mdelay(50);
- req.nbytes = 4;
- req.done = NULL;
- req.data[0] = 0xee;
- req.data[1] = 4;
- req.data[2] = 0;
- req.data[3] = 0;
- req.reply[0] = ADB_RET_OK;
- req.reply_len = 1;
- req.reply_expected = 0;
- pmu_polled_request(&req);
- mdelay(50);
- }
- mdelay(50);
-}
-#endif
-
+#if defined(CONFIG_SUSPEND) && defined(CONFIG_PPC32)
/*
* Put the powerbook to sleep.
*/
out_8(&via[IER], IER_SET | SR_INT | CB1_INT);
}
-extern void pmu_backlight_set_sleep(int sleep);
-
-static int
-pmac_suspend_devices(void)
-{
- int ret;
-
- pm_prepare_console();
-
- /* Notify old-style device drivers & userland */
- ret = broadcast_sleep(PBOOK_SLEEP_REQUEST, PBOOK_SLEEP_REJECT);
- if (ret != PBOOK_SLEEP_OK) {
- printk(KERN_ERR "Sleep rejected by drivers\n");
- return -EBUSY;
- }
-
- /* Sync the disks. */
- /* XXX It would be nice to have some way to ensure that
- * nobody is dirtying any new buffers while we wait. That
- * could be achieved using the refrigerator for processes
- * that swsusp uses
- */
- sys_sync();
-
- /* Sleep can fail now. May not be very robust but useful for debugging */
- ret = broadcast_sleep(PBOOK_SLEEP_NOW, PBOOK_WAKE);
- if (ret != PBOOK_SLEEP_OK) {
- printk(KERN_ERR "Driver sleep failed\n");
- return -EBUSY;
- }
-
- /* Send suspend call to devices, hold the device core's dpm_sem */
- ret = device_suspend(PMSG_SUSPEND);
- if (ret) {
- broadcast_wake();
- printk(KERN_ERR "Driver sleep failed\n");
- return -EBUSY;
- }
-
-#ifdef CONFIG_PMAC_BACKLIGHT
- /* Tell backlight code not to muck around with the chip anymore */
- pmu_backlight_set_sleep(1);
-#endif
-
- /* Call platform functions marked "on sleep" */
- pmac_pfunc_i2c_suspend();
- pmac_pfunc_base_suspend();
-
- /* Stop preemption */
- preempt_disable();
-
- /* Make sure the decrementer won't interrupt us */
- asm volatile("mtdec %0" : : "r" (0x7fffffff));
- /* Make sure any pending DEC interrupt occurring while we did
- * the above didn't re-enable the DEC */
- mb();
- asm volatile("mtdec %0" : : "r" (0x7fffffff));
-
- /* We can now disable MSR_EE. This code of course works properly only
- * on UP machines... For SMP, if we ever implement sleep, we'll have to
- * stop the "other" CPUs way before we do all that stuff.
- */
- local_irq_disable();
-
- /* Broadcast power down irq
- * This isn't that useful in most cases (only directly wired devices can
- * use this but still... This will take care of sysdev's as well, so
- * we exit from here with local irqs disabled and PIC off.
- */
- ret = device_power_down(PMSG_SUSPEND);
- if (ret) {
- wakeup_decrementer();
- local_irq_enable();
- preempt_enable();
- device_resume();
- broadcast_wake();
- printk(KERN_ERR "Driver powerdown failed\n");
- return -EBUSY;
- }
-
- /* Wait for completion of async requests */
- while (!batt_req.complete)
- pmu_poll();
-
- /* Giveup the lazy FPU & vec so we don't have to back them
- * up from the low level code
- */
- enable_kernel_fp();
-
-#ifdef CONFIG_ALTIVEC
- if (cpu_has_feature(CPU_FTR_ALTIVEC))
- enable_kernel_altivec();
-#endif /* CONFIG_ALTIVEC */
-
- return 0;
-}
-
-static int
-pmac_wakeup_devices(void)
-{
- mdelay(100);
-
-#ifdef CONFIG_PMAC_BACKLIGHT
- /* Tell backlight code it can use the chip again */
- pmu_backlight_set_sleep(0);
-#endif
-
- /* Power back up system devices (including the PIC) */
- device_power_up();
-
- /* Force a poll of ADB interrupts */
- adb_int_pending = 1;
- via_pmu_interrupt(0, NULL, NULL);
-
- /* Restart jiffies & scheduling */
- wakeup_decrementer();
-
- /* Re-enable local CPU interrupts */
- local_irq_enable();
- mdelay(10);
- preempt_enable();
-
- /* Call platform functions marked "on wake" */
- pmac_pfunc_base_resume();
- pmac_pfunc_i2c_resume();
-
- /* Resume devices */
- device_resume();
-
- /* Notify old style drivers */
- broadcast_wake();
-
- pm_restore_console();
-
- return 0;
-}
-
#define GRACKLE_PM (1<<7)
#define GRACKLE_DOZE (1<<5)
#define GRACKLE_NAP (1<<4)
unsigned long save_l2cr;
unsigned short pmcr1;
struct adb_request req;
- int ret;
struct pci_dev *grackle;
- grackle = pci_find_slot(0, 0);
+ grackle = pci_get_bus_and_slot(0, 0);
if (!grackle)
return -ENODEV;
- ret = pmac_suspend_devices();
- if (ret) {
- printk(KERN_ERR "Sleep rejected by devices\n");
- return ret;
- }
-
/* Turn off various things. Darwin does some retry tests here... */
pmu_request(&req, NULL, 2, PMU_POWER_CTRL0, PMU_POW0_OFF|PMU_POW0_HARD_DRIVE);
pmu_wait_complete(&req);
pmcr1 &= ~(GRACKLE_PM|GRACKLE_DOZE|GRACKLE_SLEEP|GRACKLE_NAP);
pci_write_config_word(grackle, 0x70, pmcr1);
+ pci_dev_put(grackle);
+
/* Make sure the PMU is idle */
pmac_call_feature(PMAC_FTR_SLEEP_STATE,NULL,0,0);
restore_via_state();
_set_L2CR(save_l2cr);
/* Restore userland MMU context */
- set_context(current->active_mm->context.id, current->active_mm->pgd);
+ switch_mmu_context(NULL, current->active_mm);
/* Power things up */
pmu_unlock();
PMU_POW_ON|PMU_POW_BACKLIGHT|PMU_POW_CHARGER|PMU_POW_IRLED|PMU_POW_MEDIABAY);
pmu_wait_complete(&req);
- pmac_wakeup_devices();
-
return 0;
}
unsigned long save_l2cr;
unsigned long save_l3cr;
struct adb_request req;
- int ret;
if (pmac_call_feature(PMAC_FTR_SLEEP_STATE,NULL,0,-1) < 0) {
printk(KERN_ERR "Sleep mode not supported on this machine\n");
if (num_online_cpus() > 1 || cpu_is_offline(0))
return -EAGAIN;
- ret = pmac_suspend_devices();
- if (ret) {
- printk(KERN_ERR "Sleep rejected by devices\n");
- return ret;
- }
-
/* Stop environment and ADB interrupts */
pmu_request(&req, NULL, 2, PMU_SET_INTR_MASK, 0);
pmu_wait_complete(&req);
_set_L3CR(save_l3cr);
/* Restore userland MMU context */
- set_context(current->active_mm->context.id, current->active_mm->pgd);
+ switch_mmu_context(NULL, current->active_mm);
/* Tell PMU we are ready */
pmu_unlock();
/* Restore LPJ, cpufreq will adjust the cpu frequency */
loops_per_jiffy /= 2;
- pmac_wakeup_devices();
-
return 0;
}
#define PB3400_MEM_CTRL 0xf8000000
#define PB3400_MEM_CTRL_SLEEP 0x70
-static int
-powerbook_sleep_3400(void)
+static void __iomem *pb3400_mem_ctrl;
+
+static void powerbook_sleep_init_3400(void)
+{
+ /* map in the memory controller registers */
+ pb3400_mem_ctrl = ioremap(PB3400_MEM_CTRL, 0x100);
+ if (pb3400_mem_ctrl == NULL)
+ printk(KERN_WARNING "ioremap failed: sleep won't be possible");
+}
+
+static int powerbook_sleep_3400(void)
{
- int ret, i, x;
+ int i, x;
unsigned int hid0;
- unsigned long p;
+ unsigned long msr;
struct adb_request sleep_req;
- void __iomem *mem_ctrl;
unsigned int __iomem *mem_ctrl_sleep;
- /* first map in the memory controller registers */
- mem_ctrl = ioremap(PB3400_MEM_CTRL, 0x100);
- if (mem_ctrl == NULL) {
- printk("powerbook_sleep_3400: ioremap failed\n");
+ if (pb3400_mem_ctrl == NULL)
return -ENOMEM;
- }
- mem_ctrl_sleep = mem_ctrl + PB3400_MEM_CTRL_SLEEP;
-
- /* Allocate room for PCI save */
- pbook_alloc_pci_save();
-
- ret = pmac_suspend_devices();
- if (ret) {
- pbook_free_pci_save();
- printk(KERN_ERR "Sleep rejected by devices\n");
- return ret;
- }
-
- /* Save the state of PCI config space for some slots */
- pbook_pci_save();
+ mem_ctrl_sleep = pb3400_mem_ctrl + PB3400_MEM_CTRL_SLEEP;
/* Set the memory controller to keep the memory refreshed
while we're asleep */
/* Ask the PMU to put us to sleep */
pmu_request(&sleep_req, NULL, 5, PMU_SLEEP, 'M', 'A', 'T', 'T');
- while (!sleep_req.complete)
- mb();
+ pmu_wait_complete(&sleep_req);
+ pmu_unlock();
- pmac_call_feature(PMAC_FTR_SLEEP_STATE,NULL,0,1);
+ pmac_call_feature(PMAC_FTR_SLEEP_STATE, NULL, 0, 1);
- /* displacement-flush the L2 cache - necessary? */
- for (p = KERNELBASE; p < KERNELBASE + 0x100000; p += 0x1000)
- i = *(volatile int *)p;
asleep = 1;
/* Put the CPU into sleep mode */
hid0 = mfspr(SPRN_HID0);
hid0 = (hid0 & ~(HID0_NAP | HID0_DOZE)) | HID0_SLEEP;
mtspr(SPRN_HID0, hid0);
- mtmsr(mfmsr() | MSR_POW | MSR_EE);
- udelay(10);
+ local_irq_enable();
+ msr = mfmsr() | MSR_POW;
+ while (asleep) {
+ mb();
+ mtmsr(msr);
+ isync();
+ }
+ local_irq_disable();
/* OK, we're awake again, start restoring things */
out_be32(mem_ctrl_sleep, 0x3f);
- pmac_call_feature(PMAC_FTR_SLEEP_STATE,NULL,0,0);
- pbook_pci_restore();
- pmu_unlock();
-
- /* wait for the PMU interrupt sequence to complete */
- while (asleep)
- mb();
-
- pmac_wakeup_devices();
- pbook_free_pci_save();
- iounmap(mem_ctrl);
+ pmac_call_feature(PMAC_FTR_SLEEP_STATE, NULL, 0, 0);
return 0;
}
-#endif /* CONFIG_PM && CONFIG_PPC32 */
+#endif /* CONFIG_SUSPEND && CONFIG_PPC32 */
/*
* Support for /dev/pmu device
pp->rb_get = pp->rb_put = 0;
spin_lock_init(&pp->lock);
init_waitqueue_head(&pp->wait);
+ lock_kernel();
spin_lock_irqsave(&all_pvt_lock, flags);
#if defined(CONFIG_INPUT_ADBHID) && defined(CONFIG_PMAC_BACKLIGHT)
pp->backlight_locker = 0;
list_add(&pp->list, &all_pmu_pvt);
spin_unlock_irqrestore(&all_pvt_lock, flags);
file->private_data = pp;
+ unlock_kernel();
return 0;
}
struct pmu_private *pp = file->private_data;
unsigned long flags;
- lock_kernel();
if (pp != 0) {
file->private_data = NULL;
spin_lock_irqsave(&all_pvt_lock, flags);
kfree(pp);
}
- unlock_kernel();
return 0;
}
+#if defined(CONFIG_SUSPEND) && defined(CONFIG_PPC32)
+static void pmac_suspend_disable_irqs(void)
+{
+ /* Call platform functions marked "on sleep" */
+ pmac_pfunc_i2c_suspend();
+ pmac_pfunc_base_suspend();
+}
+
+static int powerbook_sleep(suspend_state_t state)
+{
+ int error = 0;
+
+ /* Wait for completion of async requests */
+ while (!batt_req.complete)
+ pmu_poll();
+
+ /* Giveup the lazy FPU & vec so we don't have to back them
+ * up from the low level code
+ */
+ enable_kernel_fp();
+
+#ifdef CONFIG_ALTIVEC
+ if (cpu_has_feature(CPU_FTR_ALTIVEC))
+ enable_kernel_altivec();
+#endif /* CONFIG_ALTIVEC */
+
+ switch (pmu_kind) {
+ case PMU_OHARE_BASED:
+ error = powerbook_sleep_3400();
+ break;
+ case PMU_HEATHROW_BASED:
+ case PMU_PADDINGTON_BASED:
+ error = powerbook_sleep_grackle();
+ break;
+ case PMU_KEYLARGO_BASED:
+ error = powerbook_sleep_Core99();
+ break;
+ default:
+ return -ENOSYS;
+ }
+
+ if (error)
+ return error;
+
+ mdelay(100);
+
+ return 0;
+}
+
+static void pmac_suspend_enable_irqs(void)
+{
+ /* Force a poll of ADB interrupts */
+ adb_int_pending = 1;
+ via_pmu_interrupt(0, NULL);
+
+ mdelay(10);
+
+ /* Call platform functions marked "on wake" */
+ pmac_pfunc_base_resume();
+ pmac_pfunc_i2c_resume();
+}
+
+static int pmu_sleep_valid(suspend_state_t state)
+{
+ return state == PM_SUSPEND_MEM
+ && (pmac_call_feature(PMAC_FTR_SLEEP_STATE, NULL, 0, -1) >= 0);
+}
+
+static struct platform_suspend_ops pmu_pm_ops = {
+ .enter = powerbook_sleep,
+ .valid = pmu_sleep_valid,
+};
+
+static int register_pmu_pm_ops(void)
+{
+ if (pmu_kind == PMU_OHARE_BASED)
+ powerbook_sleep_init_3400();
+ ppc_md.suspend_disable_irqs = pmac_suspend_disable_irqs;
+ ppc_md.suspend_enable_irqs = pmac_suspend_enable_irqs;
+ suspend_set_ops(&pmu_pm_ops);
+
+ return 0;
+}
+
+device_initcall(register_pmu_pm_ops);
+#endif
+
static int
pmu_ioctl(struct inode * inode, struct file *filp,
u_int cmd, u_long arg)
int error = -EINVAL;
switch (cmd) {
-#if defined(CONFIG_PM) && defined(CONFIG_PPC32)
case PMU_IOC_SLEEP:
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
- if (sleep_in_progress)
- return -EBUSY;
- sleep_in_progress = 1;
- switch (pmu_kind) {
- case PMU_OHARE_BASED:
- error = powerbook_sleep_3400();
- break;
- case PMU_HEATHROW_BASED:
- case PMU_PADDINGTON_BASED:
- error = powerbook_sleep_grackle();
- break;
- case PMU_KEYLARGO_BASED:
- error = powerbook_sleep_Core99();
- break;
- default:
- error = -ENOSYS;
- }
- sleep_in_progress = 0;
- break;
+ return pm_suspend(PM_SUSPEND_MEM);
case PMU_IOC_CAN_SLEEP:
- if (pmac_call_feature(PMAC_FTR_SLEEP_STATE,NULL,0,-1) < 0)
+ if (pmac_call_feature(PMAC_FTR_SLEEP_STATE, NULL, 0, -1) < 0)
return put_user(0, argp);
else
return put_user(1, argp);
-#endif /* CONFIG_PM && CONFIG_PPC32 */
#ifdef CONFIG_PMAC_BACKLIGHT_LEGACY
/* Compatibility ioctl's for backlight */
{
int brightness;
- if (sleep_in_progress)
- return -EBUSY;
-
brightness = pmac_backlight_get_legacy_brightness();
if (brightness < 0)
return brightness;
{
int brightness;
- if (sleep_in_progress)
- return -EBUSY;
-
error = get_user(brightness, argp);
if (error)
return error;
return error;
}
-static struct file_operations pmu_device_fops = {
+static const struct file_operations pmu_device_fops = {
.read = pmu_read,
.write = pmu_write,
.poll = pmu_fpoll,
local_irq_restore(flags);
return 0;
}
-#endif /* DEBUG_SLEEP */
+/* N.B. This doesn't work on the 3400 */
+void pmu_blink(int n)
+{
+ struct adb_request req;
-/* FIXME: This is a temporary set of callbacks to enable us
- * to do suspend-to-disk.
- */
+ memset(&req, 0, sizeof(req));
-#if defined(CONFIG_PM) && defined(CONFIG_PPC32)
+ for (; n > 0; --n) {
+ req.nbytes = 4;
+ req.done = NULL;
+ req.data[0] = 0xee;
+ req.data[1] = 4;
+ req.data[2] = 0;
+ req.data[3] = 1;
+ req.reply[0] = ADB_RET_OK;
+ req.reply_len = 1;
+ req.reply_expected = 0;
+ pmu_polled_request(&req);
+ mdelay(50);
+ req.nbytes = 4;
+ req.done = NULL;
+ req.data[0] = 0xee;
+ req.data[1] = 4;
+ req.data[2] = 0;
+ req.data[3] = 0;
+ req.reply[0] = ADB_RET_OK;
+ req.reply_len = 1;
+ req.reply_expected = 0;
+ pmu_polled_request(&req);
+ mdelay(50);
+ }
+ mdelay(50);
+}
+#endif /* DEBUG_SLEEP */
-static int pmu_sys_suspended = 0;
+#if defined(CONFIG_SUSPEND) && defined(CONFIG_PPC32)
+int pmu_sys_suspended;
static int pmu_sys_suspend(struct sys_device *sysdev, pm_message_t state)
{
if (state.event != PM_EVENT_SUSPEND || pmu_sys_suspended)
return 0;
- /* Suspend PMU event interrupts */
+ /* Suspend PMU event interrupts */\
pmu_suspend();
-
pmu_sys_suspended = 1;
+
+#ifdef CONFIG_PMAC_BACKLIGHT
+ /* Tell backlight code not to muck around with the chip anymore */
+ pmu_backlight_set_sleep(1);
+#endif
+
return 0;
}
pmu_request(&req, NULL, 2, PMU_SYSTEM_READY, 2);
pmu_wait_complete(&req);
+#ifdef CONFIG_PMAC_BACKLIGHT
+ /* Tell backlight code it can use the chip again */
+ pmu_backlight_set_sleep(0);
+#endif
/* Resume PMU event interrupts */
pmu_resume();
-
pmu_sys_suspended = 0;
return 0;
}
-#endif /* CONFIG_PM && CONFIG_PPC32 */
+#endif /* CONFIG_SUSPEND && CONFIG_PPC32 */
static struct sysdev_class pmu_sysclass = {
- set_kset_name("pmu"),
+ .name = "pmu",
};
static struct sys_device device_pmu = {
- .id = 0,
.cls = &pmu_sysclass,
};
static struct sysdev_driver driver_pmu = {
-#if defined(CONFIG_PM) && defined(CONFIG_PPC32)
+#if defined(CONFIG_SUSPEND) && defined(CONFIG_PPC32)
.suspend = &pmu_sys_suspend,
.resume = &pmu_sys_resume,
-#endif /* CONFIG_PM && CONFIG_PPC32 */
+#endif /* CONFIG_SUSPEND && CONFIG_PPC32 */
};
static int __init init_pmu_sysfs(void)
EXPORT_SYMBOL(pmu_suspend);
EXPORT_SYMBOL(pmu_resume);
EXPORT_SYMBOL(pmu_unlock);
-#if defined(CONFIG_PM) && defined(CONFIG_PPC32)
+#if defined(CONFIG_PPC32)
EXPORT_SYMBOL(pmu_enable_irled);
EXPORT_SYMBOL(pmu_battery_count);
EXPORT_SYMBOL(pmu_batteries);
EXPORT_SYMBOL(pmu_power_flags);
-#endif /* CONFIG_PM && CONFIG_PPC32 */
+#endif /* CONFIG_SUSPEND && CONFIG_PPC32 */