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Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6

Browse Source 
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6:
  pnpacpi: print resource shortage message only once
  PM: ACPI and APM must not be enabled at the same time
  ACPI: apply quirk_ich6_lpc_acpi to more ICH8 and ICH9
  ACPICA: fix acpi_serialize hang regression
  ACPI : Not register gsi for PCI IDE controller in legacy mode
  ACPI: Reintroduce run time configurable max_cstate for !CPU_IDLE case
  ACPI: Make sysfs interface in ACPI power optional.
  ACPI: EC: Enable boot EC before bus_scan
  increase PNP_MAX_PORT to 40 from 24
This commit is contained in:
Linus Torvalds 2008-01-13 09:58:22 -08:00
commit 417009f64f
19 changed files with 139 additions and 44 deletions
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10
arch/x86/kernel/apm_32.c
View File

@ -2256,14 +2256,12 @@ static int __init apm_init(void)
apm_info.disabled = 1;
return -ENODEV;
}
if (PM_IS_ACTIVE()) {
if (pm_flags & PM_ACPI) {
printk(KERN_NOTICE "apm: overridden by ACPI.\n");
apm_info.disabled = 1;
return -ENODEV;
}
#ifdef CONFIG_PM_LEGACY
pm_active = 1;
#endif
pm_flags |= PM_APM;
/*
* Set up a segment that references the real mode segment 0x40
@ -2366,9 +2364,7 @@ static void __exit apm_exit(void)
kthread_stop(kapmd_task);
kapmd_task = NULL;
}
#ifdef CONFIG_PM_LEGACY
pm_active = 0;
#endif
pm_flags &= ~PM_APM;
}
module_init(apm_init);

9
drivers/acpi/Kconfig
View File

@ -82,6 +82,12 @@ config ACPI_PROCFS_POWER
and functions, which do not yet exist in /sys
Say N to delete power /proc/acpi/ folders that have moved to /sys/
config ACPI_SYSFS_POWER
bool "Future power /sys interface"
select POWER_SUPPLY
default y
---help---
Say N to disable power /sys interface
config ACPI_PROC_EVENT
bool "Deprecated /proc/acpi/event support"
depends on PROC_FS
@ -103,7 +109,6 @@ config ACPI_PROC_EVENT
config ACPI_AC
tristate "AC Adapter"
depends on X86
select POWER_SUPPLY
default y
help
This driver adds support for the AC Adapter object, which indicates
@ -113,7 +118,6 @@ config ACPI_AC
config ACPI_BATTERY
tristate "Battery"
depends on X86
select POWER_SUPPLY
default y
help
This driver adds support for battery information through
@ -368,7 +372,6 @@ config ACPI_HOTPLUG_MEMORY
config ACPI_SBS
tristate "Smart Battery System"
depends on X86
select POWER_SUPPLY
help
This driver adds support for the Smart Battery System, another
type of access to battery information, found on some laptops.

16
drivers/acpi/ac.c
View File

@ -31,7 +31,9 @@
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#endif
#ifdef CONFIG_ACPI_SYSFS_POWER
#include <linux/power_supply.h>
#endif
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
@ -79,7 +81,9 @@ static struct acpi_driver acpi_ac_driver = {
};
struct acpi_ac {
#ifdef CONFIG_ACPI_SYSFS_POWER
struct power_supply charger;
#endif
struct acpi_device * device;
unsigned long state;
};
@ -94,7 +98,7 @@ static const struct file_operations acpi_ac_fops = {
.release = single_release,
};
#endif
#ifdef CONFIG_ACPI_SYSFS_POWER
static int get_ac_property(struct power_supply *psy,
enum power_supply_property psp,
union power_supply_propval *val)
@ -113,7 +117,7 @@ static int get_ac_property(struct power_supply *psy,
static enum power_supply_property ac_props[] = {
POWER_SUPPLY_PROP_ONLINE,
};
#endif
/* --------------------------------------------------------------------------
AC Adapter Management
-------------------------------------------------------------------------- */
@ -241,7 +245,9 @@ static void acpi_ac_notify(acpi_handle handle, u32 event, void *data)
acpi_bus_generate_netlink_event(device->pnp.device_class,
device->dev.bus_id, event,
(u32) ac->state);
#ifdef CONFIG_ACPI_SYSFS_POWER
kobject_uevent(&ac->charger.dev->kobj, KOBJ_CHANGE);
#endif
break;
default:
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
@ -280,12 +286,14 @@ static int acpi_ac_add(struct acpi_device *device)
#endif
if (result)
goto end;
#ifdef CONFIG_ACPI_SYSFS_POWER
ac->charger.name = acpi_device_bid(device);
ac->charger.type = POWER_SUPPLY_TYPE_MAINS;
ac->charger.properties = ac_props;
ac->charger.num_properties = ARRAY_SIZE(ac_props);
ac->charger.get_property = get_ac_property;
power_supply_register(&ac->device->dev, &ac->charger);
#endif
status = acpi_install_notify_handler(device->handle,
ACPI_ALL_NOTIFY, acpi_ac_notify,
ac);
@ -319,8 +327,10 @@ static int acpi_ac_resume(struct acpi_device *device)
old_state = ac->state;
if (acpi_ac_get_state(ac))
return 0;
#ifdef CONFIG_ACPI_SYSFS_POWER
if (old_state != ac->state)
kobject_uevent(&ac->charger.dev->kobj, KOBJ_CHANGE);
#endif
return 0;
}
@ -337,8 +347,10 @@ static int acpi_ac_remove(struct acpi_device *device, int type)
status = acpi_remove_notify_handler(device->handle,
ACPI_ALL_NOTIFY, acpi_ac_notify);
#ifdef CONFIG_ACPI_SYSFS_POWER
if (ac->charger.dev)
power_supply_unregister(&ac->charger);
#endif
#ifdef CONFIG_ACPI_PROCFS_POWER
acpi_ac_remove_fs(device);
#endif

31
drivers/acpi/battery.c
View File

@ -40,7 +40,9 @@
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
#ifdef CONFIG_ACPI_SYSFS_POWER
#include <linux/power_supply.h>
#endif
#define ACPI_BATTERY_VALUE_UNKNOWN 0xFFFFFFFF
@ -86,7 +88,9 @@ MODULE_DEVICE_TABLE(acpi, battery_device_ids);
struct acpi_battery {
struct mutex lock;
#ifdef CONFIG_ACPI_SYSFS_POWER
struct power_supply bat;
#endif
struct acpi_device *device;
unsigned long update_time;
int current_now;
@ -117,6 +121,7 @@ inline int acpi_battery_present(struct acpi_battery *battery)
return battery->device->status.battery_present;
}
#ifdef CONFIG_ACPI_SYSFS_POWER
static int acpi_battery_technology(struct acpi_battery *battery)
{
if (!strcasecmp("NiCd", battery->type))
@ -222,6 +227,7 @@ static enum power_supply_property energy_battery_props[] = {
POWER_SUPPLY_PROP_MODEL_NAME,
POWER_SUPPLY_PROP_MANUFACTURER,
};
#endif
#ifdef CONFIG_ACPI_PROCFS_POWER
inline char *acpi_battery_units(struct acpi_battery *battery)
@ -398,6 +404,7 @@ static int acpi_battery_init_alarm(struct acpi_battery *battery)
return acpi_battery_set_alarm(battery);
}
#ifdef CONFIG_ACPI_SYSFS_POWER
static ssize_t acpi_battery_alarm_show(struct device *dev,
struct device_attribute *attr,
char *buf)
@ -429,11 +436,6 @@ static int sysfs_add_battery(struct acpi_battery *battery)
{
int result;
battery->update_time = 0;
result = acpi_battery_get_info(battery);
acpi_battery_init_alarm(battery);
if (result)
return result;
if (battery->power_unit) {
battery->bat.properties = charge_battery_props;
battery->bat.num_properties =
@ -462,18 +464,31 @@ static void sysfs_remove_battery(struct acpi_battery *battery)
power_supply_unregister(&battery->bat);
battery->bat.dev = NULL;
}
#endif
static int acpi_battery_update(struct acpi_battery *battery)
{
int result = acpi_battery_get_status(battery);
int result;
result = acpi_battery_get_status(battery);
if (result)
return result;
#ifdef CONFIG_ACPI_SYSFS_POWER
if (!acpi_battery_present(battery)) {
sysfs_remove_battery(battery);
battery->update_time = 0;
return 0;
}
#endif
if (!battery->update_time) {
result = acpi_battery_get_info(battery);
if (result)
return result;
acpi_battery_init_alarm(battery);
}
#ifdef CONFIG_ACPI_SYSFS_POWER
if (!battery->bat.dev)
sysfs_add_battery(battery);
#endif
return acpi_battery_get_state(battery);
}
@ -767,9 +782,11 @@ static void acpi_battery_notify(acpi_handle handle, u32 event, void *data)
acpi_bus_generate_netlink_event(device->pnp.device_class,
device->dev.bus_id, event,
acpi_battery_present(battery));
#ifdef CONFIG_ACPI_SYSFS_POWER
/* acpi_batter_update could remove power_supply object */
if (battery->bat.dev)
kobject_uevent(&battery->bat.dev->kobj, KOBJ_CHANGE);
#endif
}
static int acpi_battery_add(struct acpi_device *device)
@ -828,7 +845,9 @@ static int acpi_battery_remove(struct acpi_device *device, int type)
#ifdef CONFIG_ACPI_PROCFS_POWER
acpi_battery_remove_fs(device);
#endif
#ifdef CONFIG_ACPI_SYSFS_POWER
sysfs_remove_battery(battery);
#endif
mutex_destroy(&battery->lock);
kfree(battery);
return 0;

7
drivers/acpi/bus.c
View File

@ -29,7 +29,6 @@
#include <linux/list.h>
#include <linux/sched.h>
#include <linux/pm.h>
#include <linux/pm_legacy.h>
#include <linux/device.h>
#include <linux/proc_fs.h>
#ifdef CONFIG_X86
@ -764,16 +763,14 @@ static int __init acpi_init(void)
result = acpi_bus_init();
if (!result) {
#ifdef CONFIG_PM_LEGACY
if (!PM_IS_ACTIVE())
pm_active = 1;
if (!(pm_flags & PM_APM))
pm_flags |= PM_ACPI;
else {
printk(KERN_INFO PREFIX
"APM is already active, exiting\n");
disable_acpi();
result = -ENODEV;
}
#endif
} else
disable_acpi();

14
drivers/acpi/ec.c
View File

@ -892,6 +892,17 @@ static int acpi_ec_stop(struct acpi_device *device, int type)
return 0;
}
int __init acpi_boot_ec_enable(void)
{
if (!boot_ec || boot_ec->handlers_installed)
return 0;
if (!ec_install_handlers(boot_ec)) {
first_ec = boot_ec;
return 0;
}
return -EFAULT;
}
int __init acpi_ec_ecdt_probe(void)
{
int ret;
@ -924,9 +935,10 @@ int __init acpi_ec_ecdt_probe(void)
goto error;
/* We really need to limit this workaround, the only ASUS,
* which needs it, has fake EC._INI method, so use it as flag.
* Keep boot_ec struct as it will be needed soon.
*/
if (ACPI_FAILURE(acpi_get_handle(boot_ec->handle, "_INI", &x)))
goto error;
return -ENODEV;
}
ret = ec_install_handlers(boot_ec);

8
drivers/acpi/events/evregion.c
View File

@ -344,7 +344,7 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
* setup will potentially execute control methods
* (e.g., _REG method for this region)
*/
acpi_ex_relinquish_interpreter();
acpi_ex_exit_interpreter();
status = region_setup(region_obj, ACPI_REGION_ACTIVATE,
handler_desc->address_space.context,
@ -352,7 +352,7 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
/* Re-enter the interpreter */
acpi_ex_reacquire_interpreter();
acpi_ex_enter_interpreter();
/* Check for failure of the Region Setup */
@ -405,7 +405,7 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
* exit the interpreter because the handler *might* block -- we don't
* know what it will do, so we can't hold the lock on the intepreter.
*/
acpi_ex_relinquish_interpreter();
acpi_ex_exit_interpreter();
}
/* Call the handler */
@ -426,7 +426,7 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
* We just returned from a non-default handler, we must re-enter the
* interpreter
*/
acpi_ex_reacquire_interpreter();
acpi_ex_enter_interpreter();
}
return_ACPI_STATUS(status);

9
drivers/acpi/pci_irq.c
View File

@ -429,6 +429,15 @@ int acpi_pci_irq_enable(struct pci_dev *dev)
&polarity, &link,
acpi_pci_allocate_irq);
if (irq < 0) {
/*
* IDE legacy mode controller IRQs are magic. Why do compat
* extensions always make such a nasty mess.
*/
if (dev->class >> 8 == PCI_CLASS_STORAGE_IDE &&
(dev->class & 0x05) == 0)
return 0;
}
/*
* No IRQ known to the ACPI subsystem - maybe the BIOS /
* driver reported one, then use it. Exit in any case.

4
drivers/acpi/processor_idle.c
View File

@ -76,7 +76,11 @@ static void (*pm_idle_save) (void) __read_mostly;
#define PM_TIMER_TICKS_TO_US(p) (((p) * 1000)/(PM_TIMER_FREQUENCY/1000))
static unsigned int max_cstate __read_mostly = ACPI_PROCESSOR_MAX_POWER;
#ifdef CONFIG_CPU_IDLE
module_param(max_cstate, uint, 0000);
#else
module_param(max_cstate, uint, 0644);
#endif
static unsigned int nocst __read_mostly;
module_param(nocst, uint, 0000);

23
drivers/acpi/sbs.c
View File

@ -40,7 +40,9 @@
#include <linux/jiffies.h>
#include <linux/delay.h>
#ifdef CONFIG_ACPI_SYSFS_POWER
#include <linux/power_supply.h>
#endif
#include "sbshc.h"
@ -80,7 +82,9 @@ static const struct acpi_device_id sbs_device_ids[] = {
MODULE_DEVICE_TABLE(acpi, sbs_device_ids);
struct acpi_battery {
#ifdef CONFIG_ACPI_SYSFS_POWER
struct power_supply bat;
#endif
struct acpi_sbs *sbs;
#ifdef CONFIG_ACPI_PROCFS_POWER
struct proc_dir_entry *proc_entry;
@ -113,7 +117,9 @@ struct acpi_battery {
#define to_acpi_battery(x) container_of(x, struct acpi_battery, bat);
struct acpi_sbs {
#ifdef CONFIG_ACPI_SYSFS_POWER
struct power_supply charger;
#endif
struct acpi_device *device;
struct acpi_smb_hc *hc;
struct mutex lock;
@ -157,6 +163,7 @@ static inline int acpi_battery_scale(struct acpi_battery *battery)
acpi_battery_ipscale(battery);
}
#ifdef CONFIG_ACPI_SYSFS_POWER
static int sbs_get_ac_property(struct power_supply *psy,
enum power_supply_property psp,
union power_supply_propval *val)
@ -294,6 +301,7 @@ static enum power_supply_property sbs_energy_battery_props[] = {
POWER_SUPPLY_PROP_MODEL_NAME,
POWER_SUPPLY_PROP_MANUFACTURER,
};
#endif
/* --------------------------------------------------------------------------
Smart Battery System Management
@ -429,6 +437,7 @@ static int acpi_ac_get_present(struct acpi_sbs *sbs)
return result;
}
#ifdef CONFIG_ACPI_SYSFS_POWER
static ssize_t acpi_battery_alarm_show(struct device *dev,
struct device_attribute *attr,
char *buf)
@ -458,6 +467,7 @@ static struct device_attribute alarm_attr = {
.show = acpi_battery_alarm_show,
.store = acpi_battery_alarm_store,
};
#endif
/* --------------------------------------------------------------------------
FS Interface (/proc/acpi)
@ -793,6 +803,7 @@ static int acpi_battery_add(struct acpi_sbs *sbs, int id)
&acpi_battery_state_fops, &acpi_battery_alarm_fops,
battery);
#endif
#ifdef CONFIG_ACPI_SYSFS_POWER
battery->bat.name = battery->name;
battery->bat.type = POWER_SUPPLY_TYPE_BATTERY;
if (!acpi_battery_mode(battery)) {
@ -813,6 +824,7 @@ static int acpi_battery_add(struct acpi_sbs *sbs, int id)
goto end;
battery->have_sysfs_alarm = 1;
end:
#endif
printk(KERN_INFO PREFIX "%s [%s]: Battery Slot [%s] (battery %s)\n",
ACPI_SBS_DEVICE_NAME, acpi_device_bid(sbs->device),
battery->name, sbs->battery->present ? "present" : "absent");
@ -822,12 +834,13 @@ static int acpi_battery_add(struct acpi_sbs *sbs, int id)
static void acpi_battery_remove(struct acpi_sbs *sbs, int id)
{
struct acpi_battery *battery = &sbs->battery[id];
#ifdef CONFIG_ACPI_SYSFS_POWER
if (battery->bat.dev) {
if (battery->have_sysfs_alarm)
device_remove_file(battery->bat.dev, &alarm_attr);
power_supply_unregister(&battery->bat);
}
#endif
#ifdef CONFIG_ACPI_PROCFS_POWER
if (battery->proc_entry)
acpi_sbs_remove_fs(&battery->proc_entry, acpi_battery_dir);
@ -848,12 +861,14 @@ static int acpi_charger_add(struct acpi_sbs *sbs)
if (result)
goto end;
#endif
#ifdef CONFIG_ACPI_SYSFS_POWER
sbs->charger.name = "sbs-charger";
sbs->charger.type = POWER_SUPPLY_TYPE_MAINS;
sbs->charger.properties = sbs_ac_props;
sbs->charger.num_properties = ARRAY_SIZE(sbs_ac_props);
sbs->charger.get_property = sbs_get_ac_property;
power_supply_register(&sbs->device->dev, &sbs->charger);
#endif
printk(KERN_INFO PREFIX "%s [%s]: AC Adapter [%s] (%s)\n",
ACPI_SBS_DEVICE_NAME, acpi_device_bid(sbs->device),
ACPI_AC_DIR_NAME, sbs->charger_present ? "on-line" : "off-line");
@ -863,8 +878,10 @@ static int acpi_charger_add(struct acpi_sbs *sbs)
static void acpi_charger_remove(struct acpi_sbs *sbs)
{
#ifdef CONFIG_ACPI_SYSFS_POWER
if (sbs->charger.dev)
power_supply_unregister(&sbs->charger);
#endif
#ifdef CONFIG_ACPI_PROCFS_POWER
if (sbs->charger_entry)
acpi_sbs_remove_fs(&sbs->charger_entry, acpi_ac_dir);
@ -885,7 +902,9 @@ void acpi_sbs_callback(void *context)
ACPI_SBS_NOTIFY_STATUS,
sbs->charger_present);
#endif
#ifdef CONFIG_ACPI_SYSFS_POWER
kobject_uevent(&sbs->charger.dev->kobj, KOBJ_CHANGE);
#endif
}
if (sbs->manager_present) {
for (id = 0; id < MAX_SBS_BAT; ++id) {
@ -902,7 +921,9 @@ void acpi_sbs_callback(void *context)
ACPI_SBS_NOTIFY_STATUS,
bat->present);
#endif
#ifdef CONFIG_ACPI_SYSFS_POWER
kobject_uevent(&bat->bat.dev->kobj, KOBJ_CHANGE);
#endif
}
}
}

6
drivers/acpi/scan.c
View File

@ -1449,6 +1449,8 @@ static int acpi_bus_scan_fixed(struct acpi_device *root)
return result;
}
int __init acpi_boot_ec_enable(void);
static int __init acpi_scan_init(void)
{
int result;
@ -1480,6 +1482,10 @@ static int __init acpi_scan_init(void)
* Enumerate devices in the ACPI namespace.
*/
result = acpi_bus_scan_fixed(acpi_root);
/* EC region might be needed at bus_scan, so enable it now */
acpi_boot_ec_enable();
if (!result)
result = acpi_bus_scan(acpi_root, &ops);

6
drivers/pci/quirks.c
View File

@ -465,6 +465,12 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_31, quirk
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH8_0, quirk_ich6_lpc_acpi );
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH8_2, quirk_ich6_lpc_acpi );
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH8_3, quirk_ich6_lpc_acpi );
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH8_1, quirk_ich6_lpc_acpi );
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH8_4, quirk_ich6_lpc_acpi );
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH9_2, quirk_ich6_lpc_acpi );
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH9_4, quirk_ich6_lpc_acpi );
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH9_7, quirk_ich6_lpc_acpi );
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH9_8, quirk_ich6_lpc_acpi );
/*
* VIA ACPI: One IO region pointed to by longword at

14
drivers/pnp/pnpacpi/rsparser.c
View File

@ -76,6 +76,7 @@ static void pnpacpi_parse_allocated_irqresource(struct pnp_resource_table *res,
int i = 0;
int irq;
int p, t;
static unsigned char warned;
if (!valid_IRQ(gsi))
return;
@ -83,9 +84,10 @@ static void pnpacpi_parse_allocated_irqresource(struct pnp_resource_table *res,
while (!(res->irq_resource[i].flags & IORESOURCE_UNSET) &&
i < PNP_MAX_IRQ)
i++;
if (i >= PNP_MAX_IRQ) {
if (i >= PNP_MAX_IRQ && !warned) {
printk(KERN_ERR "pnpacpi: exceeded the max number of IRQ "
"resources: %d \n", PNP_MAX_IRQ);
warned = 1;
return;
}
/*
@ -169,6 +171,7 @@ static void pnpacpi_parse_allocated_dmaresource(struct pnp_resource_table *res,
int bus_master, int transfer)
{
int i = 0;
static unsigned char warned;
while (i < PNP_MAX_DMA &&
!(res->dma_resource[i].flags & IORESOURCE_UNSET))
@ -183,9 +186,10 @@ static void pnpacpi_parse_allocated_dmaresource(struct pnp_resource_table *res,
}
res->dma_resource[i].start = dma;
res->dma_resource[i].end = dma;
} else {
} else if (!warned) {
printk(KERN_ERR "pnpacpi: exceeded the max number of DMA "
"resources: %d \n", PNP_MAX_DMA);
warned = 1;
}
}
@ -193,6 +197,7 @@ static void pnpacpi_parse_allocated_ioresource(struct pnp_resource_table *res,
u64 io, u64 len, int io_decode)
{
int i = 0;
static unsigned char warned;
while (!(res->port_resource[i].flags & IORESOURCE_UNSET) &&
i < PNP_MAX_PORT)
@ -207,7 +212,7 @@ static void pnpacpi_parse_allocated_ioresource(struct pnp_resource_table *res,
}
res->port_resource[i].start = io;
res->port_resource[i].end = io + len - 1;
} else {
} else if (!warned) {
printk(KERN_ERR "pnpacpi: exceeded the max number of IO "
"resources: %d \n", PNP_MAX_PORT);
}
@ -218,6 +223,7 @@ static void pnpacpi_parse_allocated_memresource(struct pnp_resource_table *res,
int write_protect)
{
int i = 0;
static unsigned char warned;
while (!(res->mem_resource[i].flags & IORESOURCE_UNSET) &&
(i < PNP_MAX_MEM))
@ -233,7 +239,7 @@ static void pnpacpi_parse_allocated_memresource(struct pnp_resource_table *res,
res->mem_resource[i].start = mem;
res->mem_resource[i].end = mem + len - 1;
} else {
} else if (!warned) {
printk(KERN_ERR "pnpacpi: exceeded the max number of mem "
"resources: %d\n", PNP_MAX_MEM);
}

2
include/linux/pci_ids.h
View File

@ -2322,6 +2322,8 @@
#define PCI_DEVICE_ID_INTEL_ICH9_4 0x2914
#define PCI_DEVICE_ID_INTEL_ICH9_5 0x2919
#define PCI_DEVICE_ID_INTEL_ICH9_6 0x2930
#define PCI_DEVICE_ID_INTEL_ICH9_7 0x2916
#define PCI_DEVICE_ID_INTEL_ICH9_8 0x2918
#define PCI_DEVICE_ID_INTEL_82855PM_HB 0x3340
#define PCI_DEVICE_ID_INTEL_82830_HB 0x3575
#define PCI_DEVICE_ID_INTEL_82830_CGC 0x3577

9
include/linux/pm.h
View File

@ -246,6 +246,15 @@ static inline int call_platform_enable_wakeup(struct device *dev, int is_on)
device_set_wakeup_enable(dev,val); \
} while(0)
/*
* Global Power Management flags
* Used to keep APM and ACPI from both being active
*/
extern unsigned int pm_flags;
#define PM_APM 1
#define PM_ACPI 2
#endif /* __KERNEL__ */
#endif /* _LINUX_PM_H */

6
include/linux/pm_legacy.h
View File

@ -4,10 +4,6 @@
#ifdef CONFIG_PM_LEGACY
extern int pm_active;
#define PM_IS_ACTIVE() (pm_active != 0)
/*
* Register a device with power management
*/
@ -21,8 +17,6 @@ int __deprecated pm_send_all(pm_request_t rqst, void *data);
#else /* CONFIG_PM_LEGACY */
#define PM_IS_ACTIVE() 0
static inline struct pm_dev *pm_register(pm_dev_t type,
unsigned long id,
pm_callback callback)

2
include/linux/pnp.h
View File

@ -13,7 +13,7 @@
#include <linux/errno.h>
#include <linux/mod_devicetable.h>
#define PNP_MAX_PORT 24
#define PNP_MAX_PORT 40
#define PNP_MAX_MEM 12
#define PNP_MAX_IRQ 2
#define PNP_MAX_DMA 2

3
kernel/power/main.c
View File

@ -28,6 +28,9 @@ BLOCKING_NOTIFIER_HEAD(pm_chain_head);
DEFINE_MUTEX(pm_mutex);
unsigned int pm_flags;
EXPORT_SYMBOL(pm_flags);
#ifdef CONFIG_SUSPEND
/* This is just an arbitrary number */

4
kernel/power/pm.c
View File

@ -27,8 +27,6 @@
#include <linux/interrupt.h>
#include <linux/mutex.h>
int pm_active;
/*
* Locking notes:
* pm_devs_lock can be a semaphore providing pm ops are not called
@ -204,6 +202,4 @@ int pm_send_all(pm_request_t rqst, void *data)
EXPORT_SYMBOL(pm_register);
EXPORT_SYMBOL(pm_send_all);
EXPORT_SYMBOL(pm_active);