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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:
  x86 ACPI: Add support for Always Running APIC timer
  ACPI x86: Make aperf/mperf MSR access in acpi_cpufreq read_only
  ACPI x86: Cleanup acpi_cpufreq structures related to aperf/mperf
  ACPICA: delete check for AML access to port 0x81-83
  ACPI: WMI: use .notify method instead of installing handler directly
  sony-laptop: use .notify method instead of installing handler directly
  panasonic-laptop: use .notify method instead of installing handler directly
  fujitsu-laptop: use .notify method instead of installing hotkey handler directly
  fujitsu-laptop: use .notify method instead of installing handler directly
  ACPI: video: use .notify method instead of installing handler directly
  ACPI: thermal: use .notify method instead of installing handler directly
  ACPI battery: fix async boot oops
  ACPI: delete acpi_device.g_list
  NULL noise: drivers/platform/x86/panasonic-laptop.c
  ACPI: cpufreq: remove dupilcated #include
  ACPI: Adjust Kelvin offset to match local implementation
  ACPI: convert acpi_device_lock spinlock to mutex
This commit is contained in:
Linus Torvalds 2009-04-08 15:32:06 -07:00
commit 7b85a88ca7
19 changed files with 131 additions and 248 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
arch/x86/include/asm/cpufeature.h
View file

@ -154,6 +154,7 @@
* CPUID levels like 0x6, 0xA etc
*/
#define X86_FEATURE_IDA (7*32+ 0) /* Intel Dynamic Acceleration */
#define X86_FEATURE_ARAT (7*32+ 1) /* Always Running APIC Timer */
/* Virtualization flags: Linux defined */
#define X86_FEATURE_TPR_SHADOW (8*32+ 0) /* Intel TPR Shadow */

6
arch/x86/kernel/apic/apic.c
View file

@ -431,6 +431,12 @@ static void __cpuinit setup_APIC_timer(void)
{
struct clock_event_device *levt = &__get_cpu_var(lapic_events);
if (cpu_has(&current_cpu_data, X86_FEATURE_ARAT)) {
lapic_clockevent.features &= ~CLOCK_EVT_FEAT_C3STOP;
/* Make LAPIC timer preferrable over percpu HPET */
lapic_clockevent.rating = 150;
}
memcpy(levt, &lapic_clockevent, sizeof(*levt));
levt->cpumask = cpumask_of(smp_processor_id());

1
arch/x86/kernel/cpu/addon_cpuid_features.c
View file

@ -31,6 +31,7 @@ void __cpuinit init_scattered_cpuid_features(struct cpuinfo_x86 *c)
static const struct cpuid_bit __cpuinitconst cpuid_bits[] = {
{ X86_FEATURE_IDA, CR_EAX, 1, 0x00000006 },
{ X86_FEATURE_ARAT, CR_EAX, 2, 0x00000006 },
{ 0, 0, 0, 0 }
};

55
arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
View file

@ -68,6 +68,7 @@ struct acpi_cpufreq_data {
unsigned int max_freq;
unsigned int resume;
unsigned int cpu_feature;
u64 saved_aperf, saved_mperf;
};
static DEFINE_PER_CPU(struct acpi_cpufreq_data *, drv_data);
@ -241,26 +242,23 @@ static u32 get_cur_val(const struct cpumask *mask)
return cmd.val;
}
struct perf_cur {
struct perf_pair {
union {
struct {
u32 lo;
u32 hi;
} split;
u64 whole;
} aperf_cur, mperf_cur;
} aperf, mperf;
};
static long read_measured_perf_ctrs(void *_cur)
{
struct perf_cur *cur = _cur;
struct perf_pair *cur = _cur;
rdmsr(MSR_IA32_APERF, cur->aperf_cur.split.lo, cur->aperf_cur.split.hi);
rdmsr(MSR_IA32_MPERF, cur->mperf_cur.split.lo, cur->mperf_cur.split.hi);
wrmsr(MSR_IA32_APERF, 0, 0);
wrmsr(MSR_IA32_MPERF, 0, 0);
rdmsr(MSR_IA32_APERF, cur->aperf.split.lo, cur->aperf.split.hi);
rdmsr(MSR_IA32_MPERF, cur->mperf.split.lo, cur->mperf.split.hi);
return 0;
}
@ -281,52 +279,57 @@ static long read_measured_perf_ctrs(void *_cur)
static unsigned int get_measured_perf(struct cpufreq_policy *policy,
unsigned int cpu)
{
struct perf_cur cur;
struct perf_pair readin, cur;
unsigned int perf_percent;
unsigned int retval;
if (!work_on_cpu(cpu, read_measured_perf_ctrs, &cur))
if (!work_on_cpu(cpu, read_measured_perf_ctrs, &readin))
return 0;
cur.aperf.whole = readin.aperf.whole -
per_cpu(drv_data, cpu)->saved_aperf;
cur.mperf.whole = readin.mperf.whole -
per_cpu(drv_data, cpu)->saved_mperf;
per_cpu(drv_data, cpu)->saved_aperf = readin.aperf.whole;
per_cpu(drv_data, cpu)->saved_mperf = readin.mperf.whole;
#ifdef __i386__
/*
* We dont want to do 64 bit divide with 32 bit kernel
* Get an approximate value. Return failure in case we cannot get
* an approximate value.
*/
if (unlikely(cur.aperf_cur.split.hi || cur.mperf_cur.split.hi)) {
if (unlikely(cur.aperf.split.hi || cur.mperf.split.hi)) {
int shift_count;
u32 h;
h = max_t(u32, cur.aperf_cur.split.hi, cur.mperf_cur.split.hi);
h = max_t(u32, cur.aperf.split.hi, cur.mperf.split.hi);
shift_count = fls(h);
cur.aperf_cur.whole >>= shift_count;
cur.mperf_cur.whole >>= shift_count;
cur.aperf.whole >>= shift_count;
cur.mperf.whole >>= shift_count;
}
if (((unsigned long)(-1) / 100) < cur.aperf_cur.split.lo) {
if (((unsigned long)(-1) / 100) < cur.aperf.split.lo) {
int shift_count = 7;
cur.aperf_cur.split.lo >>= shift_count;
cur.mperf_cur.split.lo >>= shift_count;
cur.aperf.split.lo >>= shift_count;
cur.mperf.split.lo >>= shift_count;
}
if (cur.aperf_cur.split.lo && cur.mperf_cur.split.lo)
perf_percent = (cur.aperf_cur.split.lo * 100) /
cur.mperf_cur.split.lo;
if (cur.aperf.split.lo && cur.mperf.split.lo)
perf_percent = (cur.aperf.split.lo * 100) / cur.mperf.split.lo;
else
perf_percent = 0;
#else
if (unlikely(((unsigned long)(-1) / 100) < cur.aperf_cur.whole)) {
if (unlikely(((unsigned long)(-1) / 100) < cur.aperf.whole)) {
int shift_count = 7;
cur.aperf_cur.whole >>= shift_count;
cur.mperf_cur.whole >>= shift_count;
cur.aperf.whole >>= shift_count;
cur.mperf.whole >>= shift_count;
}
if (cur.aperf_cur.whole && cur.mperf_cur.whole)
perf_percent = (cur.aperf_cur.whole * 100) /
cur.mperf_cur.whole;
if (cur.aperf.whole && cur.mperf.whole)
perf_percent = (cur.aperf.whole * 100) / cur.mperf.whole;
else
perf_percent = 0;

1
arch/x86/kernel/cpu/cpufreq/longhaul.c
View file

@ -33,7 +33,6 @@
#include <linux/timex.h>
#include <linux/io.h>
#include <linux/acpi.h>
#include <linux/kernel.h>
#include <asm/msr.h>
#include <acpi/processor.h>

1
drivers/acpi/acpica/hwvalid.c
View file

@ -90,7 +90,6 @@ static const struct acpi_port_info acpi_protected_ports[] = {
{"PIT2", 0x0048, 0x004B, ACPI_OSI_WIN_XP},
{"RTC", 0x0070, 0x0071, ACPI_OSI_WIN_XP},
{"CMOS", 0x0074, 0x0076, ACPI_OSI_WIN_XP},
{"DMA1", 0x0081, 0x0083, ACPI_OSI_WIN_XP},
{"DMA1L", 0x0087, 0x0087, ACPI_OSI_WIN_XP},
{"DMA2", 0x0089, 0x008B, ACPI_OSI_WIN_XP},
{"DMA2L", 0x008F, 0x008F, ACPI_OSI_WIN_XP},

2
drivers/acpi/battery.c
View file

@ -903,7 +903,7 @@ static struct acpi_driver acpi_battery_driver = {
},
};
static void __init acpi_battery_init_async(void *unused, async_cookie_t cookie)
static void acpi_battery_init_async(void *unused, async_cookie_t cookie)
{
if (acpi_disabled)
return;

13
drivers/acpi/proc.c
View file

@ -343,9 +343,6 @@ acpi_system_write_alarm(struct file *file,
}
#endif /* HAVE_ACPI_LEGACY_ALARM */
extern struct list_head acpi_wakeup_device_list;
extern spinlock_t acpi_device_lock;
static int
acpi_system_wakeup_device_seq_show(struct seq_file *seq, void *offset)
{
@ -353,7 +350,7 @@ acpi_system_wakeup_device_seq_show(struct seq_file *seq, void *offset)
seq_printf(seq, "Device\tS-state\t Status Sysfs node\n");
spin_lock(&acpi_device_lock);
mutex_lock(&acpi_device_lock);
list_for_each_safe(node, next, &acpi_wakeup_device_list) {
struct acpi_device *dev =
container_of(node, struct acpi_device, wakeup_list);
@ -361,7 +358,6 @@ acpi_system_wakeup_device_seq_show(struct seq_file *seq, void *offset)
if (!dev->wakeup.flags.valid)
continue;
spin_unlock(&acpi_device_lock);
ldev = acpi_get_physical_device(dev->handle);
seq_printf(seq, "%s\t S%d\t%c%-8s ",
@ -376,9 +372,8 @@ acpi_system_wakeup_device_seq_show(struct seq_file *seq, void *offset)
seq_printf(seq, "\n");
put_device(ldev);
spin_lock(&acpi_device_lock);
}
spin_unlock(&acpi_device_lock);
mutex_unlock(&acpi_device_lock);
return 0;
}
@ -409,7 +404,7 @@ acpi_system_write_wakeup_device(struct file *file,
strbuf[len] = '\0';
sscanf(strbuf, "%s", str);
spin_lock(&acpi_device_lock);
mutex_lock(&acpi_device_lock);
list_for_each_safe(node, next, &acpi_wakeup_device_list) {
struct acpi_device *dev =
container_of(node, struct acpi_device, wakeup_list);
@ -446,7 +441,7 @@ acpi_system_write_wakeup_device(struct file *file,
}
}
}
spin_unlock(&acpi_device_lock);
mutex_unlock(&acpi_device_lock);
return count;
}

3
drivers/acpi/processor_idle.c
View file

@ -145,6 +145,9 @@ static void acpi_timer_check_state(int state, struct acpi_processor *pr,
struct acpi_processor_power *pwr = &pr->power;
u8 type = local_apic_timer_c2_ok ? ACPI_STATE_C3 : ACPI_STATE_C2;
if (cpu_has(&cpu_data(pr->id), X86_FEATURE_ARAT))
return;
/*
* Check, if one of the previous states already marked the lapic
* unstable

31
drivers/acpi/scan.c
View file

@ -24,7 +24,7 @@ extern struct acpi_device *acpi_root;
static LIST_HEAD(acpi_device_list);
static LIST_HEAD(acpi_bus_id_list);
DEFINE_SPINLOCK(acpi_device_lock);
DEFINE_MUTEX(acpi_device_lock);
LIST_HEAD(acpi_wakeup_device_list);
struct acpi_device_bus_id{
@ -491,7 +491,6 @@ static int acpi_device_register(struct acpi_device *device,
*/
INIT_LIST_HEAD(&device->children);
INIT_LIST_HEAD(&device->node);
INIT_LIST_HEAD(&device->g_list);
INIT_LIST_HEAD(&device->wakeup_list);
new_bus_id = kzalloc(sizeof(struct acpi_device_bus_id), GFP_KERNEL);
@ -500,7 +499,7 @@ static int acpi_device_register(struct acpi_device *device,
return -ENOMEM;
}
spin_lock(&acpi_device_lock);
mutex_lock(&acpi_device_lock);
/*
* Find suitable bus_id and instance number in acpi_bus_id_list
* If failed, create one and link it into acpi_bus_id_list
@ -521,14 +520,12 @@ static int acpi_device_register(struct acpi_device *device,
}
dev_set_name(&device->dev, "%s:%02x", acpi_device_bus_id->bus_id, acpi_device_bus_id->instance_no);
if (device->parent) {
if (device->parent)
list_add_tail(&device->node, &device->parent->children);
list_add_tail(&device->g_list, &device->parent->g_list);
} else
list_add_tail(&device->g_list, &acpi_device_list);
if (device->wakeup.flags.valid)
list_add_tail(&device->wakeup_list, &acpi_wakeup_device_list);
spin_unlock(&acpi_device_lock);
mutex_unlock(&acpi_device_lock);
if (device->parent)
device->dev.parent = &parent->dev;
@ -549,28 +546,22 @@ static int acpi_device_register(struct acpi_device *device,
device->removal_type = ACPI_BUS_REMOVAL_NORMAL;
return 0;
end:
spin_lock(&acpi_device_lock);
if (device->parent) {
mutex_lock(&acpi_device_lock);
if (device->parent)
list_del(&device->node);
list_del(&device->g_list);
} else
list_del(&device->g_list);
list_del(&device->wakeup_list);
spin_unlock(&acpi_device_lock);
mutex_unlock(&acpi_device_lock);
return result;
}
static void acpi_device_unregister(struct acpi_device *device, int type)
{
spin_lock(&acpi_device_lock);
if (device->parent) {
mutex_lock(&acpi_device_lock);
if (device->parent)
list_del(&device->node);
list_del(&device->g_list);
} else
list_del(&device->g_list);
list_del(&device->wakeup_list);
spin_unlock(&acpi_device_lock);
mutex_unlock(&acpi_device_lock);
acpi_detach_data(device->handle, acpi_bus_data_handler);

3
drivers/acpi/sleep.h
View file

@ -5,3 +5,6 @@ extern int acpi_suspend (u32 state);
extern void acpi_enable_wakeup_device_prep(u8 sleep_state);
extern void acpi_enable_wakeup_device(u8 sleep_state);
extern void acpi_disable_wakeup_device(u8 sleep_state);
extern struct list_head acpi_wakeup_device_list;
extern struct mutex acpi_device_lock;

68
drivers/acpi/thermal.c
View file

@ -98,6 +98,7 @@ MODULE_PARM_DESC(psv, "Disable or override all passive trip points.");
static int acpi_thermal_add(struct acpi_device *device);
static int acpi_thermal_remove(struct acpi_device *device, int type);
static int acpi_thermal_resume(struct acpi_device *device);
static void acpi_thermal_notify(struct acpi_device *device, u32 event);
static int acpi_thermal_state_open_fs(struct inode *inode, struct file *file);
static int acpi_thermal_temp_open_fs(struct inode *inode, struct file *file);
static int acpi_thermal_trip_open_fs(struct inode *inode, struct file *file);
@ -123,6 +124,7 @@ static struct acpi_driver acpi_thermal_driver = {
.add = acpi_thermal_add,
.remove = acpi_thermal_remove,
.resume = acpi_thermal_resume,
.notify = acpi_thermal_notify,
},
};
@ -192,6 +194,7 @@ struct acpi_thermal {
struct acpi_handle_list devices;
struct thermal_zone_device *thermal_zone;
int tz_enabled;
int kelvin_offset;
struct mutex lock;
};
@ -581,7 +584,7 @@ static void acpi_thermal_check(void *data)
}
/* sys I/F for generic thermal sysfs support */
#define KELVIN_TO_MILLICELSIUS(t) (t * 100 - 273200)
#define KELVIN_TO_MILLICELSIUS(t, off) (((t) - (off)) * 100)
static int thermal_get_temp(struct thermal_zone_device *thermal,
unsigned long *temp)
@ -596,7 +599,7 @@ static int thermal_get_temp(struct thermal_zone_device *thermal,
if (result)
return result;
*temp = KELVIN_TO_MILLICELSIUS(tz->temperature);
*temp = KELVIN_TO_MILLICELSIUS(tz->temperature, tz->kelvin_offset);
return 0;
}
@ -702,7 +705,8 @@ static int thermal_get_trip_temp(struct thermal_zone_device *thermal,
if (tz->trips.critical.flags.valid) {
if (!trip) {
*temp = KELVIN_TO_MILLICELSIUS(
tz->trips.critical.temperature);
tz->trips.critical.temperature,
tz->kelvin_offset);
return 0;
}
trip--;
@ -711,7 +715,8 @@ static int thermal_get_trip_temp(struct thermal_zone_device *thermal,
if (tz->trips.hot.flags.valid) {
if (!trip) {
*temp = KELVIN_TO_MILLICELSIUS(
tz->trips.hot.temperature);
tz->trips.hot.temperature,
tz->kelvin_offset);
return 0;
}
trip--;
@ -720,7 +725,8 @@ static int thermal_get_trip_temp(struct thermal_zone_device *thermal,
if (tz->trips.passive.flags.valid) {
if (!trip) {
*temp = KELVIN_TO_MILLICELSIUS(
tz->trips.passive.temperature);
tz->trips.passive.temperature,
tz->kelvin_offset);
return 0;
}
trip--;
@ -730,7 +736,8 @@ static int thermal_get_trip_temp(struct thermal_zone_device *thermal,
tz->trips.active[i].flags.valid; i++) {
if (!trip) {
*temp = KELVIN_TO_MILLICELSIUS(
tz->trips.active[i].temperature);
tz->trips.active[i].temperature,
tz->kelvin_offset);
return 0;
}
trip--;
@ -745,7 +752,8 @@ static int thermal_get_crit_temp(struct thermal_zone_device *thermal,
if (tz->trips.critical.flags.valid) {
*temperature = KELVIN_TO_MILLICELSIUS(
tz->trips.critical.temperature);
tz->trips.critical.temperature,
tz->kelvin_offset);
return 0;
} else
return -EINVAL;
@ -1264,17 +1272,14 @@ static int acpi_thermal_remove_fs(struct acpi_device *device)
Driver Interface
-------------------------------------------------------------------------- */
static void acpi_thermal_notify(acpi_handle handle, u32 event, void *data)
static void acpi_thermal_notify(struct acpi_device *device, u32 event)
{
struct acpi_thermal *tz = data;
struct acpi_device *device = NULL;
struct acpi_thermal *tz = acpi_driver_data(device);
if (!tz)
return;
device = tz->device;
switch (event) {
case ACPI_THERMAL_NOTIFY_TEMPERATURE:
acpi_thermal_check(tz);
@ -1298,8 +1303,6 @@ static void acpi_thermal_notify(acpi_handle handle, u32 event, void *data)
"Unsupported event [0x%x]\n", event));
break;
}
return;
}
static int acpi_thermal_get_info(struct acpi_thermal *tz)
@ -1334,10 +1337,28 @@ static int acpi_thermal_get_info(struct acpi_thermal *tz)
return 0;
}
/*
* The exact offset between Kelvin and degree Celsius is 273.15. However ACPI
* handles temperature values with a single decimal place. As a consequence,
* some implementations use an offset of 273.1 and others use an offset of
* 273.2. Try to find out which one is being used, to present the most
* accurate and visually appealing number.
*
* The heuristic below should work for all ACPI thermal zones which have a
* critical trip point with a value being a multiple of 0.5 degree Celsius.
*/
static void acpi_thermal_guess_offset(struct acpi_thermal *tz)
{
if (tz->trips.critical.flags.valid &&
(tz->trips.critical.temperature % 5) == 1)
tz->kelvin_offset = 2731;
else
tz->kelvin_offset = 2732;
}
static int acpi_thermal_add(struct acpi_device *device)
{
int result = 0;
acpi_status status = AE_OK;
struct acpi_thermal *tz = NULL;
@ -1360,6 +1381,8 @@ static int acpi_thermal_add(struct acpi_device *device)
if (result)
goto free_memory;
acpi_thermal_guess_offset(tz);
result = acpi_thermal_register_thermal_zone(tz);
if (result)
goto free_memory;
@ -1368,21 +1391,11 @@ static int acpi_thermal_add(struct acpi_device *device)
if (result)
goto unregister_thermal_zone;
status = acpi_install_notify_handler(device->handle,
ACPI_DEVICE_NOTIFY,
acpi_thermal_notify, tz);
if (ACPI_FAILURE(status)) {
result = -ENODEV;
goto remove_fs;
}
printk(KERN_INFO PREFIX "%s [%s] (%ld C)\n",
acpi_device_name(device), acpi_device_bid(device),
KELVIN_TO_CELSIUS(tz->temperature));
goto end;
remove_fs:
acpi_thermal_remove_fs(device);
unregister_thermal_zone:
thermal_zone_device_unregister(tz->thermal_zone);
free_memory:
@ -1393,7 +1406,6 @@ static int acpi_thermal_add(struct acpi_device *device)
static int acpi_thermal_remove(struct acpi_device *device, int type)
{
acpi_status status = AE_OK;
struct acpi_thermal *tz = NULL;
if (!device || !acpi_driver_data(device))
@ -1401,10 +1413,6 @@ static int acpi_thermal_remove(struct acpi_device *device, int type)
tz = acpi_driver_data(device);
status = acpi_remove_notify_handler(device->handle,
ACPI_DEVICE_NOTIFY,
acpi_thermal_notify);
acpi_thermal_remove_fs(device);
acpi_thermal_unregister_thermal_zone(tz);
mutex_destroy(&tz->lock);

30
drivers/acpi/video.c
View file

@ -79,6 +79,7 @@ module_param(brightness_switch_enabled, bool, 0644);
static int acpi_video_bus_add(struct acpi_device *device);
static int acpi_video_bus_remove(struct acpi_device *device, int type);
static int acpi_video_resume(struct acpi_device *device);
static void acpi_video_bus_notify(struct acpi_device *device, u32 event);
static const struct acpi_device_id video_device_ids[] = {
{ACPI_VIDEO_HID, 0},
@ -94,6 +95,7 @@ static struct acpi_driver acpi_video_bus = {
.add = acpi_video_bus_add,
.remove = acpi_video_bus_remove,
.resume = acpi_video_resume,
.notify = acpi_video_bus_notify,
},
};
@ -1986,17 +1988,15 @@ static int acpi_video_bus_stop_devices(struct acpi_video_bus *video)
return acpi_video_bus_DOS(video, 0, 1);
}
static void acpi_video_bus_notify(acpi_handle handle, u32 event, void *data)
static void acpi_video_bus_notify(struct acpi_device *device, u32 event)
{
struct acpi_video_bus *video = data;
struct acpi_device *device = NULL;
struct acpi_video_bus *video = acpi_driver_data(device);
struct input_dev *input;
int keycode;
if (!video)
return;
device = video->device;
input = video->input;
switch (event) {
@ -2127,7 +2127,6 @@ static int acpi_video_resume(struct acpi_device *device)
static int acpi_video_bus_add(struct acpi_device *device)
{
acpi_status status;
struct acpi_video_bus *video;
struct input_dev *input;
int error;
@ -2169,20 +2168,10 @@ static int acpi_video_bus_add(struct acpi_device *device)
acpi_video_bus_get_devices(video, device);
acpi_video_bus_start_devices(video);
status = acpi_install_notify_handler(device->handle,
ACPI_DEVICE_NOTIFY,
acpi_video_bus_notify, video);
if (ACPI_FAILURE(status)) {
printk(KERN_ERR PREFIX
"Error installing notify handler\n");
error = -ENODEV;
goto err_stop_video;
}
video->input = input = input_allocate_device();
if (!input) {
error = -ENOMEM;
goto err_uninstall_notify;
goto err_stop_video;
}
snprintf(video->phys, sizeof(video->phys),
@ -2218,9 +2207,6 @@ static int acpi_video_bus_add(struct acpi_device *device)
err_free_input_dev:
input_free_device(input);
err_uninstall_notify:
acpi_remove_notify_handler(device->handle, ACPI_DEVICE_NOTIFY,
acpi_video_bus_notify);
err_stop_video:
acpi_video_bus_stop_devices(video);
acpi_video_bus_put_devices(video);
@ -2235,7 +2221,6 @@ static int acpi_video_bus_add(struct acpi_device *device)
static int acpi_video_bus_remove(struct acpi_device *device, int type)
{
acpi_status status = 0;
struct acpi_video_bus *video = NULL;
@ -2245,11 +2230,6 @@ static int acpi_video_bus_remove(struct acpi_device *device, int type)
video = acpi_driver_data(device);
acpi_video_bus_stop_devices(video);
status = acpi_remove_notify_handler(video->device->handle,
ACPI_DEVICE_NOTIFY,
acpi_video_bus_notify);
acpi_video_bus_put_devices(video);
acpi_video_bus_remove_fs(device);

30
drivers/acpi/wakeup.c
View file

@ -12,12 +12,14 @@
#include "internal.h"
#include "sleep.h"
/*
* We didn't lock acpi_device_lock in the file, because it invokes oops in
* suspend/resume and isn't really required as this is called in S-state. At
* that time, there is no device hotplug
**/
#define _COMPONENT ACPI_SYSTEM_COMPONENT
ACPI_MODULE_NAME("wakeup_devices")
extern struct list_head acpi_wakeup_device_list;
extern spinlock_t acpi_device_lock;
/**
* acpi_enable_wakeup_device_prep - prepare wakeup devices
* @sleep_state: ACPI state
@ -29,7 +31,6 @@ void acpi_enable_wakeup_device_prep(u8 sleep_state)
{
struct list_head *node, *next;
spin_lock(&acpi_device_lock);
list_for_each_safe(node, next, &acpi_wakeup_device_list) {
struct acpi_device *dev = container_of(node,
struct acpi_device,
@ -40,11 +41,8 @@ void acpi_enable_wakeup_device_prep(u8 sleep_state)
(sleep_state > (u32) dev->wakeup.sleep_state))
continue;
spin_unlock(&acpi_device_lock);
acpi_enable_wakeup_device_power(dev, sleep_state);
spin_lock(&acpi_device_lock);
}
spin_unlock(&acpi_device_lock);
}
/**
@ -60,7 +58,6 @@ void acpi_enable_wakeup_device(u8 sleep_state)
* Caution: this routine must be invoked when interrupt is disabled
* Refer ACPI2.0: P212
*/
spin_lock(&acpi_device_lock);
list_for_each_safe(node, next, &acpi_wakeup_device_list) {
struct acpi_device *dev =
container_of(node, struct acpi_device, wakeup_list);
@ -74,22 +71,17 @@ void acpi_enable_wakeup_device(u8 sleep_state)
if ((!dev->wakeup.state.enabled && !dev->wakeup.flags.prepared)
|| sleep_state > (u32) dev->wakeup.sleep_state) {
if (dev->wakeup.flags.run_wake) {
spin_unlock(&acpi_device_lock);
/* set_gpe_type will disable GPE, leave it like that */
acpi_set_gpe_type(dev->wakeup.gpe_device,
dev->wakeup.gpe_number,
ACPI_GPE_TYPE_RUNTIME);
spin_lock(&acpi_device_lock);
}
continue;
}
spin_unlock(&acpi_device_lock);
if (!dev->wakeup.flags.run_wake)
acpi_enable_gpe(dev->wakeup.gpe_device,
dev->wakeup.gpe_number);
spin_lock(&acpi_device_lock);
}
spin_unlock(&acpi_device_lock);
}
/**
@ -101,7 +93,6 @@ void acpi_disable_wakeup_device(u8 sleep_state)
{
struct list_head *node, *next;
spin_lock(&acpi_device_lock);
list_for_each_safe(node, next, &acpi_wakeup_device_list) {
struct acpi_device *dev =
container_of(node, struct acpi_device, wakeup_list);
@ -112,19 +103,16 @@ void acpi_disable_wakeup_device(u8 sleep_state)
if ((!dev->wakeup.state.enabled && !dev->wakeup.flags.prepared)
|| sleep_state > (u32) dev->wakeup.sleep_state) {
if (dev->wakeup.flags.run_wake) {
spin_unlock(&acpi_device_lock);
acpi_set_gpe_type(dev->wakeup.gpe_device,
dev->wakeup.gpe_number,
ACPI_GPE_TYPE_WAKE_RUN);
/* Re-enable it, since set_gpe_type will disable it */
acpi_enable_gpe(dev->wakeup.gpe_device,
dev->wakeup.gpe_number);
spin_lock(&acpi_device_lock);
}
continue;
}
spin_unlock(&acpi_device_lock);
acpi_disable_wakeup_device_power(dev);
/* Never disable run-wake GPE */
if (!dev->wakeup.flags.run_wake) {
@ -133,16 +121,14 @@ void acpi_disable_wakeup_device(u8 sleep_state)
acpi_clear_gpe(dev->wakeup.gpe_device,
dev->wakeup.gpe_number, ACPI_NOT_ISR);
}
spin_lock(&acpi_device_lock);
}
spin_unlock(&acpi_device_lock);
}
int __init acpi_wakeup_device_init(void)
{
struct list_head *node, *next;
spin_lock(&acpi_device_lock);
mutex_lock(&acpi_device_lock);
list_for_each_safe(node, next, &acpi_wakeup_device_list) {
struct acpi_device *dev = container_of(node,
struct acpi_device,
@ -150,15 +136,13 @@ int __init acpi_wakeup_device_init(void)
/* In case user doesn't load button driver */
if (!dev->wakeup.flags.run_wake || dev->wakeup.state.enabled)
continue;
spin_unlock(&acpi_device_lock);
acpi_set_gpe_type(dev->wakeup.gpe_device,
dev->wakeup.gpe_number,
ACPI_GPE_TYPE_WAKE_RUN);
acpi_enable_gpe(dev->wakeup.gpe_device,
dev->wakeup.gpe_number);
dev->wakeup.state.enabled = 1;
spin_lock(&acpi_device_lock);
}
spin_unlock(&acpi_device_lock);
mutex_unlock(&acpi_device_lock);
return 0;
}

60
drivers/platform/x86/fujitsu-laptop.c
View file

@ -174,8 +174,7 @@ struct fujitsu_hotkey_t {
static struct fujitsu_hotkey_t *fujitsu_hotkey;
static void acpi_fujitsu_hotkey_notify(acpi_handle handle, u32 event,
void *data);
static void acpi_fujitsu_hotkey_notify(struct acpi_device *device, u32 event);
#ifdef CONFIG_LEDS_CLASS
static enum led_brightness logolamp_get(struct led_classdev *cdev);
@ -203,7 +202,7 @@ struct led_classdev kblamps_led = {
static u32 dbg_level = 0x03;
#endif
static void acpi_fujitsu_notify(acpi_handle handle, u32 event, void *data);
static void acpi_fujitsu_notify(struct acpi_device *device, u32 event);
/* Fujitsu ACPI interface function */
@ -658,7 +657,6 @@ static struct dmi_system_id fujitsu_dmi_table[] = {
static int acpi_fujitsu_add(struct acpi_device *device)
{
acpi_status status;
acpi_handle handle;
int result = 0;
int state = 0;
@ -673,20 +671,10 @@ static int acpi_fujitsu_add(struct acpi_device *device)
sprintf(acpi_device_class(device), "%s", ACPI_FUJITSU_CLASS);
device->driver_data = fujitsu;
status = acpi_install_notify_handler(device->handle,
ACPI_DEVICE_NOTIFY,
acpi_fujitsu_notify, fujitsu);
if (ACPI_FAILURE(status)) {
printk(KERN_ERR "Error installing notify handler\n");
error = -ENODEV;
goto err_stop;
}
fujitsu->input = input = input_allocate_device();
if (!input) {
error = -ENOMEM;
goto err_uninstall_notify;
goto err_stop;
}
snprintf(fujitsu->phys, sizeof(fujitsu->phys),
@ -743,9 +731,6 @@ static int acpi_fujitsu_add(struct acpi_device *device)
end:
err_free_input_dev:
input_free_device(input);
err_uninstall_notify:
acpi_remove_notify_handler(device->handle, ACPI_DEVICE_NOTIFY,
acpi_fujitsu_notify);
err_stop:
return result;
@ -753,7 +738,6 @@ static int acpi_fujitsu_add(struct acpi_device *device)
static int acpi_fujitsu_remove(struct acpi_device *device, int type)
{
acpi_status status;
struct fujitsu_t *fujitsu = NULL;
if (!device || !acpi_driver_data(device))
@ -761,10 +745,6 @@ static int acpi_fujitsu_remove(struct acpi_device *device, int type)
fujitsu = acpi_driver_data(device);
status = acpi_remove_notify_handler(fujitsu->acpi_handle,
ACPI_DEVICE_NOTIFY,
acpi_fujitsu_notify);
if (!device || !acpi_driver_data(device))
return -EINVAL;
@ -775,7 +755,7 @@ static int acpi_fujitsu_remove(struct acpi_device *device, int type)
/* Brightness notify */
static void acpi_fujitsu_notify(acpi_handle handle, u32 event, void *data)
static void acpi_fujitsu_notify(struct acpi_device *device, u32 event)
{
struct input_dev *input;
int keycode;
@ -829,15 +809,12 @@ static void acpi_fujitsu_notify(acpi_handle handle, u32 event, void *data)
input_report_key(input, keycode, 0);
input_sync(input);
}
return;
}
/* ACPI device for hotkey handling */
static int acpi_fujitsu_hotkey_add(struct acpi_device *device)
{
acpi_status status;
acpi_handle handle;
int result = 0;
int state = 0;
@ -854,17 +831,6 @@ static int acpi_fujitsu_hotkey_add(struct acpi_device *device)
sprintf(acpi_device_class(device), "%s", ACPI_FUJITSU_CLASS);
device->driver_data = fujitsu_hotkey;
status = acpi_install_notify_handler(device->handle,
ACPI_DEVICE_NOTIFY,
acpi_fujitsu_hotkey_notify,
fujitsu_hotkey);
if (ACPI_FAILURE(status)) {
printk(KERN_ERR "Error installing notify handler\n");
error = -ENODEV;
goto err_stop;
}
/* kfifo */
spin_lock_init(&fujitsu_hotkey->fifo_lock);
fujitsu_hotkey->fifo =
@ -879,7 +845,7 @@ static int acpi_fujitsu_hotkey_add(struct acpi_device *device)
fujitsu_hotkey->input = input = input_allocate_device();
if (!input) {
error = -ENOMEM;
goto err_uninstall_notify;
goto err_free_fifo;
}
snprintf(fujitsu_hotkey->phys, sizeof(fujitsu_hotkey->phys),
@ -975,9 +941,7 @@ static int acpi_fujitsu_hotkey_add(struct acpi_device *device)
end:
err_free_input_dev:
input_free_device(input);
err_uninstall_notify:
acpi_remove_notify_handler(device->handle, ACPI_DEVICE_NOTIFY,
acpi_fujitsu_hotkey_notify);
err_free_fifo:
kfifo_free(fujitsu_hotkey->fifo);
err_stop:
@ -986,7 +950,6 @@ static int acpi_fujitsu_hotkey_add(struct acpi_device *device)
static int acpi_fujitsu_hotkey_remove(struct acpi_device *device, int type)
{
acpi_status status;
struct fujitsu_hotkey_t *fujitsu_hotkey = NULL;
if (!device || !acpi_driver_data(device))
@ -994,10 +957,6 @@ static int acpi_fujitsu_hotkey_remove(struct acpi_device *device, int type)
fujitsu_hotkey = acpi_driver_data(device);
status = acpi_remove_notify_handler(fujitsu_hotkey->acpi_handle,
ACPI_DEVICE_NOTIFY,
acpi_fujitsu_hotkey_notify);
fujitsu_hotkey->acpi_handle = NULL;
kfifo_free(fujitsu_hotkey->fifo);
@ -1005,8 +964,7 @@ static int acpi_fujitsu_hotkey_remove(struct acpi_device *device, int type)
return 0;
}
static void acpi_fujitsu_hotkey_notify(acpi_handle handle, u32 event,
void *data)
static void acpi_fujitsu_hotkey_notify(struct acpi_device *device, u32 event)
{
struct input_dev *input;
int keycode, keycode_r;
@ -1089,8 +1047,6 @@ static void acpi_fujitsu_hotkey_notify(acpi_handle handle, u32 event,
input_sync(input);
break;
}
return;
}
/* Initialization */
@ -1107,6 +1063,7 @@ static struct acpi_driver acpi_fujitsu_driver = {
.ops = {
.add = acpi_fujitsu_add,
.remove = acpi_fujitsu_remove,
.notify = acpi_fujitsu_notify,
},
};
@ -1122,6 +1079,7 @@ static struct acpi_driver acpi_fujitsu_hotkey_driver = {
.ops = {
.add = acpi_fujitsu_hotkey_add,
.remove = acpi_fujitsu_hotkey_remove,
.notify = acpi_fujitsu_hotkey_notify,
},
};

28
drivers/platform/x86/panasonic-laptop.c
View file

@ -176,6 +176,7 @@ enum SINF_BITS { SINF_NUM_BATTERIES = 0,
static int acpi_pcc_hotkey_add(struct acpi_device *device);
static int acpi_pcc_hotkey_remove(struct acpi_device *device, int type);
static int acpi_pcc_hotkey_resume(struct acpi_device *device);
static void acpi_pcc_hotkey_notify(struct acpi_device *device, u32 event);
static const struct acpi_device_id pcc_device_ids[] = {
{ "MAT0012", 0},
@ -194,6 +195,7 @@ static struct acpi_driver acpi_pcc_driver = {
.add = acpi_pcc_hotkey_add,
.remove = acpi_pcc_hotkey_remove,
.resume = acpi_pcc_hotkey_resume,
.notify = acpi_pcc_hotkey_notify,
},
};
@ -271,7 +273,7 @@ static int acpi_pcc_retrieve_biosdata(struct pcc_acpi *pcc, u32 *sinf)
union acpi_object *hkey = NULL;
int i;
status = acpi_evaluate_object(pcc->handle, METHOD_HKEY_SINF, 0,
status = acpi_evaluate_object(pcc->handle, METHOD_HKEY_SINF, NULL,
&buffer);
if (ACPI_FAILURE(status)) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
@ -527,9 +529,9 @@ static void acpi_pcc_generate_keyinput(struct pcc_acpi *pcc)
return;
}
static void acpi_pcc_hotkey_notify(acpi_handle handle, u32 event, void *data)
static void acpi_pcc_hotkey_notify(struct acpi_device *device, u32 event)
{
struct pcc_acpi *pcc = (struct pcc_acpi *) data;
struct pcc_acpi *pcc = acpi_driver_data(device);
switch (event) {
case HKEY_NOTIFY:
@ -599,7 +601,6 @@ static int acpi_pcc_hotkey_resume(struct acpi_device *device)
static int acpi_pcc_hotkey_add(struct acpi_device *device)
{
acpi_status status;
struct pcc_acpi *pcc;
int num_sifr, result;
@ -640,22 +641,11 @@ static int acpi_pcc_hotkey_add(struct acpi_device *device)
goto out_sinf;
}
/* initialize hotkey input device */
status = acpi_install_notify_handler(pcc->handle, ACPI_DEVICE_NOTIFY,
acpi_pcc_hotkey_notify, pcc);
if (ACPI_FAILURE(status)) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Error installing notify handler\n"));
result = -ENODEV;
goto out_input;
}
/* initialize backlight */
pcc->backlight = backlight_device_register("panasonic", NULL, pcc,
&pcc_backlight_ops);
if (IS_ERR(pcc->backlight))
goto out_notify;
goto out_input;
if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf)) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
@ -680,9 +670,6 @@ static int acpi_pcc_hotkey_add(struct acpi_device *device)
out_backlight:
backlight_device_unregister(pcc->backlight);
out_notify:
acpi_remove_notify_handler(pcc->handle, ACPI_DEVICE_NOTIFY,
acpi_pcc_hotkey_notify);
out_input:
input_unregister_device(pcc->input_dev);
/* no need to input_free_device() since core input API refcount and
@ -723,9 +710,6 @@ static int acpi_pcc_hotkey_remove(struct acpi_device *device, int type)
backlight_device_unregister(pcc->backlight);
acpi_remove_notify_handler(pcc->handle, ACPI_DEVICE_NOTIFY,
acpi_pcc_hotkey_notify);
input_unregister_device(pcc->input_dev);
/* no need to input_free_device() since core input API refcount and
* free()s the device */

30
drivers/platform/x86/sony-laptop.c
View file

@ -914,7 +914,7 @@ static struct sony_nc_event sony_127_events[] = {
/*
* ACPI callbacks
*/
static void sony_acpi_notify(acpi_handle handle, u32 event, void *data)
static void sony_nc_notify(struct acpi_device *device, u32 event)
{
u32 ev = event;
@ -933,7 +933,7 @@ static void sony_acpi_notify(acpi_handle handle, u32 event, void *data)
struct sony_nc_event *key_event;
if (sony_call_snc_handle(key_handle, 0x200, &result)) {
dprintk("sony_acpi_notify, unable to decode"
dprintk("sony_nc_notify, unable to decode"
" event 0x%.2x 0x%.2x\n", key_handle,
ev);
/* restore the original event */
@ -968,7 +968,7 @@ static void sony_acpi_notify(acpi_handle handle, u32 event, void *data)
} else
sony_laptop_report_input_event(ev);
dprintk("sony_acpi_notify, event: 0x%.2x\n", ev);
dprintk("sony_nc_notify, event: 0x%.2x\n", ev);
acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev);
}
@ -1276,15 +1276,6 @@ static int sony_nc_add(struct acpi_device *device)
goto outwalk;
}
status = acpi_install_notify_handler(sony_nc_acpi_handle,
ACPI_DEVICE_NOTIFY,
sony_acpi_notify, NULL);
if (ACPI_FAILURE(status)) {
printk(KERN_WARNING DRV_PFX "unable to install notify handler (%u)\n", status);
result = -ENODEV;
goto outinput;
}
if (acpi_video_backlight_support()) {
printk(KERN_INFO DRV_PFX "brightness ignored, must be "
"controlled by ACPI video driver\n");
@ -1362,13 +1353,6 @@ static int sony_nc_add(struct acpi_device *device)
if (sony_backlight_device)
backlight_device_unregister(sony_backlight_device);
status = acpi_remove_notify_handler(sony_nc_acpi_handle,
ACPI_DEVICE_NOTIFY,
sony_acpi_notify);
if (ACPI_FAILURE(status))
printk(KERN_WARNING DRV_PFX "unable to remove notify handler\n");
outinput:
sony_laptop_remove_input();
outwalk:
@ -1378,7 +1362,6 @@ static int sony_nc_add(struct acpi_device *device)
static int sony_nc_remove(struct acpi_device *device, int type)
{
acpi_status status;
struct sony_nc_value *item;
if (sony_backlight_device)
@ -1386,12 +1369,6 @@ static int sony_nc_remove(struct acpi_device *device, int type)
sony_nc_acpi_device = NULL;
status = acpi_remove_notify_handler(sony_nc_acpi_handle,
ACPI_DEVICE_NOTIFY,
sony_acpi_notify);
if (ACPI_FAILURE(status))
printk(KERN_WARNING DRV_PFX "unable to remove notify handler\n");
for (item = sony_nc_values; item->name; ++item) {
device_remove_file(&sony_pf_device->dev, &item->devattr);
}
@ -1425,6 +1402,7 @@ static struct acpi_driver sony_nc_driver = {
.add = sony_nc_add,
.remove = sony_nc_remove,
.resume = sony_nc_resume,
.notify = sony_nc_notify,
},
};

15
drivers/platform/x86/wmi.c
View file

@ -81,6 +81,7 @@ static struct wmi_block wmi_blocks;
static int acpi_wmi_remove(struct acpi_device *device, int type);
static int acpi_wmi_add(struct acpi_device *device);
static void acpi_wmi_notify(struct acpi_device *device, u32 event);
static const struct acpi_device_id wmi_device_ids[] = {
{"PNP0C14", 0},
@ -96,6 +97,7 @@ static struct acpi_driver acpi_wmi_driver = {
.ops = {
.add = acpi_wmi_add,
.remove = acpi_wmi_remove,
.notify = acpi_wmi_notify,
},
};
@ -643,12 +645,11 @@ acpi_wmi_ec_space_handler(u32 function, acpi_physical_address address,
}
}
static void acpi_wmi_notify(acpi_handle handle, u32 event, void *data)
static void acpi_wmi_notify(struct acpi_device *device, u32 event)
{
struct guid_block *block;
struct wmi_block *wblock;
struct list_head *p;
struct acpi_device *device = data;
list_for_each(p, &wmi_blocks.list) {
wblock = list_entry(p, struct wmi_block, list);
@ -669,9 +670,6 @@ static void acpi_wmi_notify(acpi_handle handle, u32 event, void *data)
static int acpi_wmi_remove(struct acpi_device *device, int type)
{
acpi_remove_notify_handler(device->handle, ACPI_DEVICE_NOTIFY,
acpi_wmi_notify);
acpi_remove_address_space_handler(device->handle,
ACPI_ADR_SPACE_EC, &acpi_wmi_ec_space_handler);
@ -683,13 +681,6 @@ static int __init acpi_wmi_add(struct acpi_device *device)
acpi_status status;
int result = 0;
status = acpi_install_notify_handler(device->handle, ACPI_DEVICE_NOTIFY,
acpi_wmi_notify, device);
if (ACPI_FAILURE(status)) {
printk(KERN_ERR PREFIX "Error installing notify handler\n");
return -ENODEV;
}
status = acpi_install_address_space_handler(device->handle,
ACPI_ADR_SPACE_EC,
&acpi_wmi_ec_space_handler,

1
include/acpi/acpi_bus.h
View file

@ -270,7 +270,6 @@ struct acpi_device {
struct list_head children;
struct list_head node;
struct list_head wakeup_list;
struct list_head g_list;
struct acpi_device_status status;
struct acpi_device_flags flags;
struct acpi_device_pnp pnp;