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-rw-r--r--drivers/acpi/Kconfig10
-rw-r--r--drivers/acpi/Makefile1
-rw-r--r--drivers/acpi/ac.c9
-rw-r--r--drivers/acpi/acpi_memhotplug.c9
-rw-r--r--drivers/acpi/asus_acpi.c20
-rw-r--r--drivers/acpi/battery.c24
-rw-r--r--drivers/acpi/bay.c107
-rw-r--r--drivers/acpi/bus.c30
-rw-r--r--drivers/acpi/button.c7
-rw-r--r--drivers/acpi/cm_sbs.c2
-rw-r--r--drivers/acpi/container.c9
-rw-r--r--drivers/acpi/debug.c2
-rw-r--r--drivers/acpi/dispatcher/dsmethod.c12
-rw-r--r--drivers/acpi/dock.c8
-rw-r--r--drivers/acpi/ec.c9
-rw-r--r--drivers/acpi/event.c2
-rw-r--r--drivers/acpi/events/evgpe.c11
-rw-r--r--drivers/acpi/events/evmisc.c11
-rw-r--r--drivers/acpi/executer/exdump.c2
-rw-r--r--drivers/acpi/executer/exmutex.c36
-rw-r--r--drivers/acpi/fan.c9
-rw-r--r--drivers/acpi/glue.c62
-rw-r--r--drivers/acpi/hardware/hwsleep.c13
-rw-r--r--drivers/acpi/hotkey.c1042
-rw-r--r--drivers/acpi/i2c_ec.c7
-rw-r--r--drivers/acpi/ibm_acpi.c18
-rw-r--r--drivers/acpi/namespace/nsinit.c9
-rw-r--r--drivers/acpi/numa.c18
-rw-r--r--drivers/acpi/osl.c35
-rw-r--r--drivers/acpi/pci_bind.c2
-rw-r--r--drivers/acpi/pci_irq.c2
-rw-r--r--drivers/acpi/pci_link.c5
-rw-r--r--drivers/acpi/pci_root.c5
-rw-r--r--drivers/acpi/power.c156
-rw-r--r--drivers/acpi/processor_core.c13
-rw-r--r--drivers/acpi/processor_idle.c125
-rw-r--r--drivers/acpi/processor_perflib.c3
-rw-r--r--drivers/acpi/processor_thermal.c3
-rw-r--r--drivers/acpi/processor_throttling.c3
-rw-r--r--drivers/acpi/sbs.c5
-rw-r--r--drivers/acpi/scan.c3
-rw-r--r--drivers/acpi/sleep/main.c3
-rw-r--r--drivers/acpi/sleep/poweroff.c1
-rw-r--r--drivers/acpi/system.c3
-rw-r--r--drivers/acpi/tables.c42
-rw-r--r--drivers/acpi/tables/tbxface.c9
-rw-r--r--drivers/acpi/thermal.c40
-rw-r--r--drivers/acpi/toshiba_acpi.c6
-rw-r--r--drivers/acpi/utilities/utdelete.c1
-rw-r--r--drivers/acpi/utils.c2
-rw-r--r--drivers/acpi/video.c9
51 files changed, 526 insertions, 1449 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 20eacc2c9e0e..e942ffe8b57e 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -13,6 +13,7 @@ config ACPI
13 depends on IA64 || X86 13 depends on IA64 || X86
14 depends on PCI 14 depends on PCI
15 depends on PM 15 depends on PM
16 select PNP
16 default y 17 default y
17 ---help--- 18 ---help---
18 Advanced Configuration and Power Interface (ACPI) support for 19 Advanced Configuration and Power Interface (ACPI) support for
@@ -132,15 +133,6 @@ config ACPI_VIDEO
132 Note that this is an ref. implementation only. It may or may not work 133 Note that this is an ref. implementation only. It may or may not work
133 for your integrated video device. 134 for your integrated video device.
134 135
135config ACPI_HOTKEY
136 tristate "Generic Hotkey (EXPERIMENTAL)"
137 depends on EXPERIMENTAL
138 depends on X86
139 default n
140 help
141 Experimental consolidated hotkey driver.
142 If you are unsure, say N.
143
144config ACPI_FAN 136config ACPI_FAN
145 tristate "Fan" 137 tristate "Fan"
146 default y 138 default y
diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile
index 856c32bccacb..5956e9f64a8b 100644
--- a/drivers/acpi/Makefile
+++ b/drivers/acpi/Makefile
@@ -46,7 +46,6 @@ obj-$(CONFIG_ACPI_FAN) += fan.o
46obj-$(CONFIG_ACPI_DOCK) += dock.o 46obj-$(CONFIG_ACPI_DOCK) += dock.o
47obj-$(CONFIG_ACPI_BAY) += bay.o 47obj-$(CONFIG_ACPI_BAY) += bay.o
48obj-$(CONFIG_ACPI_VIDEO) += video.o 48obj-$(CONFIG_ACPI_VIDEO) += video.o
49obj-$(CONFIG_ACPI_HOTKEY) += hotkey.o
50obj-y += pci_root.o pci_link.o pci_irq.o pci_bind.o 49obj-y += pci_root.o pci_link.o pci_irq.o pci_bind.o
51obj-$(CONFIG_ACPI_POWER) += power.o 50obj-$(CONFIG_ACPI_POWER) += power.o
52obj-$(CONFIG_ACPI_PROCESSOR) += processor.o 51obj-$(CONFIG_ACPI_PROCESSOR) += processor.o
diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c
index 6daeace796a8..37c7dc4f9fe5 100644
--- a/drivers/acpi/ac.c
+++ b/drivers/acpi/ac.c
@@ -35,7 +35,6 @@
35#define ACPI_AC_COMPONENT 0x00020000 35#define ACPI_AC_COMPONENT 0x00020000
36#define ACPI_AC_CLASS "ac_adapter" 36#define ACPI_AC_CLASS "ac_adapter"
37#define ACPI_AC_HID "ACPI0003" 37#define ACPI_AC_HID "ACPI0003"
38#define ACPI_AC_DRIVER_NAME "ACPI AC Adapter Driver"
39#define ACPI_AC_DEVICE_NAME "AC Adapter" 38#define ACPI_AC_DEVICE_NAME "AC Adapter"
40#define ACPI_AC_FILE_STATE "state" 39#define ACPI_AC_FILE_STATE "state"
41#define ACPI_AC_NOTIFY_STATUS 0x80 40#define ACPI_AC_NOTIFY_STATUS 0x80
@@ -44,10 +43,10 @@
44#define ACPI_AC_STATUS_UNKNOWN 0xFF 43#define ACPI_AC_STATUS_UNKNOWN 0xFF
45 44
46#define _COMPONENT ACPI_AC_COMPONENT 45#define _COMPONENT ACPI_AC_COMPONENT
47ACPI_MODULE_NAME("acpi_ac") 46ACPI_MODULE_NAME("ac");
48 47
49 MODULE_AUTHOR("Paul Diefenbaugh"); 48MODULE_AUTHOR("Paul Diefenbaugh");
50MODULE_DESCRIPTION(ACPI_AC_DRIVER_NAME); 49MODULE_DESCRIPTION("ACPI AC Adapter Driver");
51MODULE_LICENSE("GPL"); 50MODULE_LICENSE("GPL");
52 51
53extern struct proc_dir_entry *acpi_lock_ac_dir(void); 52extern struct proc_dir_entry *acpi_lock_ac_dir(void);
@@ -58,7 +57,7 @@ static int acpi_ac_remove(struct acpi_device *device, int type);
58static int acpi_ac_open_fs(struct inode *inode, struct file *file); 57static int acpi_ac_open_fs(struct inode *inode, struct file *file);
59 58
60static struct acpi_driver acpi_ac_driver = { 59static struct acpi_driver acpi_ac_driver = {
61 .name = ACPI_AC_DRIVER_NAME, 60 .name = "ac",
62 .class = ACPI_AC_CLASS, 61 .class = ACPI_AC_CLASS,
63 .ids = ACPI_AC_HID, 62 .ids = ACPI_AC_HID,
64 .ops = { 63 .ops = {
diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c
index cd946ed192d3..c26172671fd8 100644
--- a/drivers/acpi/acpi_memhotplug.c
+++ b/drivers/acpi/acpi_memhotplug.c
@@ -35,14 +35,13 @@
35#define ACPI_MEMORY_DEVICE_COMPONENT 0x08000000UL 35#define ACPI_MEMORY_DEVICE_COMPONENT 0x08000000UL
36#define ACPI_MEMORY_DEVICE_CLASS "memory" 36#define ACPI_MEMORY_DEVICE_CLASS "memory"
37#define ACPI_MEMORY_DEVICE_HID "PNP0C80" 37#define ACPI_MEMORY_DEVICE_HID "PNP0C80"
38#define ACPI_MEMORY_DEVICE_DRIVER_NAME "Hotplug Mem Driver"
39#define ACPI_MEMORY_DEVICE_NAME "Hotplug Mem Device" 38#define ACPI_MEMORY_DEVICE_NAME "Hotplug Mem Device"
40 39
41#define _COMPONENT ACPI_MEMORY_DEVICE_COMPONENT 40#define _COMPONENT ACPI_MEMORY_DEVICE_COMPONENT
42 41
43ACPI_MODULE_NAME("acpi_memory") 42ACPI_MODULE_NAME("acpi_memhotplug");
44 MODULE_AUTHOR("Naveen B S <naveen.b.s@intel.com>"); 43MODULE_AUTHOR("Naveen B S <naveen.b.s@intel.com>");
45MODULE_DESCRIPTION(ACPI_MEMORY_DEVICE_DRIVER_NAME); 44MODULE_DESCRIPTION("Hotplug Mem Driver");
46MODULE_LICENSE("GPL"); 45MODULE_LICENSE("GPL");
47 46
48/* ACPI _STA method values */ 47/* ACPI _STA method values */
@@ -60,7 +59,7 @@ static int acpi_memory_device_remove(struct acpi_device *device, int type);
60static int acpi_memory_device_start(struct acpi_device *device); 59static int acpi_memory_device_start(struct acpi_device *device);
61 60
62static struct acpi_driver acpi_memory_device_driver = { 61static struct acpi_driver acpi_memory_device_driver = {
63 .name = ACPI_MEMORY_DEVICE_DRIVER_NAME, 62 .name = "acpi_memhotplug",
64 .class = ACPI_MEMORY_DEVICE_CLASS, 63 .class = ACPI_MEMORY_DEVICE_CLASS,
65 .ids = ACPI_MEMORY_DEVICE_HID, 64 .ids = ACPI_MEMORY_DEVICE_HID,
66 .ops = { 65 .ops = {
diff --git a/drivers/acpi/asus_acpi.c b/drivers/acpi/asus_acpi.c
index 31ad70a6e22e..772299fb5f9d 100644
--- a/drivers/acpi/asus_acpi.c
+++ b/drivers/acpi/asus_acpi.c
@@ -141,6 +141,7 @@ struct asus_hotk {
141 W5A, //W5A 141 W5A, //W5A
142 W3V, //W3030V 142 W3V, //W3030V
143 xxN, //M2400N, M3700N, M5200N, M6800N, S1300N, S5200N 143 xxN, //M2400N, M3700N, M5200N, M6800N, S1300N, S5200N
144 A4S, //Z81sp
144 //(Centrino) 145 //(Centrino)
145 END_MODEL 146 END_MODEL
146 } model; //Models currently supported 147 } model; //Models currently supported
@@ -397,7 +398,16 @@ static struct model_data model_conf[END_MODEL] = {
397 .brightness_set = "SPLV", 398 .brightness_set = "SPLV",
398 .brightness_get = "GPLV", 399 .brightness_get = "GPLV",
399 .display_set = "SDSP", 400 .display_set = "SDSP",
400 .display_get = "\\ADVG"} 401 .display_get = "\\ADVG"},
402
403 {
404 .name = "A4S",
405 .brightness_set = "SPLV",
406 .brightness_get = "GPLV",
407 .mt_bt_switch = "BLED",
408 .mt_wled = "WLED"
409 }
410
401}; 411};
402 412
403/* procdir we use */ 413/* procdir we use */
@@ -421,7 +431,7 @@ static struct asus_hotk *hotk;
421static int asus_hotk_add(struct acpi_device *device); 431static int asus_hotk_add(struct acpi_device *device);
422static int asus_hotk_remove(struct acpi_device *device, int type); 432static int asus_hotk_remove(struct acpi_device *device, int type);
423static struct acpi_driver asus_hotk_driver = { 433static struct acpi_driver asus_hotk_driver = {
424 .name = ACPI_HOTK_NAME, 434 .name = "asus_acpi",
425 .class = ACPI_HOTK_CLASS, 435 .class = ACPI_HOTK_CLASS,
426 .ids = ACPI_HOTK_HID, 436 .ids = ACPI_HOTK_HID,
427 .ops = { 437 .ops = {
@@ -1117,6 +1127,8 @@ static int asus_model_match(char *model)
1117 return W3V; 1127 return W3V;
1118 else if (strncmp(model, "W5A", 3) == 0) 1128 else if (strncmp(model, "W5A", 3) == 0)
1119 return W5A; 1129 return W5A;
1130 else if (strncmp(model, "A4S", 3) == 0)
1131 return A4S;
1120 else 1132 else
1121 return END_MODEL; 1133 return END_MODEL;
1122} 1134}
@@ -1365,10 +1377,6 @@ static int __init asus_acpi_init(void)
1365 if (acpi_disabled) 1377 if (acpi_disabled)
1366 return -ENODEV; 1378 return -ENODEV;
1367 1379
1368 if (!acpi_specific_hotkey_enabled) {
1369 printk(KERN_ERR "Using generic hotkey driver\n");
1370 return -ENODEV;
1371 }
1372 asus_proc_dir = proc_mkdir(PROC_ASUS, acpi_root_dir); 1380 asus_proc_dir = proc_mkdir(PROC_ASUS, acpi_root_dir);
1373 if (!asus_proc_dir) { 1381 if (!asus_proc_dir) {
1374 printk(KERN_ERR "Asus ACPI: Unable to create /proc entry\n"); 1382 printk(KERN_ERR "Asus ACPI: Unable to create /proc entry\n");
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 2f4521a48fe7..e64c76c8b726 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -42,7 +42,6 @@
42#define ACPI_BATTERY_COMPONENT 0x00040000 42#define ACPI_BATTERY_COMPONENT 0x00040000
43#define ACPI_BATTERY_CLASS "battery" 43#define ACPI_BATTERY_CLASS "battery"
44#define ACPI_BATTERY_HID "PNP0C0A" 44#define ACPI_BATTERY_HID "PNP0C0A"
45#define ACPI_BATTERY_DRIVER_NAME "ACPI Battery Driver"
46#define ACPI_BATTERY_DEVICE_NAME "Battery" 45#define ACPI_BATTERY_DEVICE_NAME "Battery"
47#define ACPI_BATTERY_FILE_INFO "info" 46#define ACPI_BATTERY_FILE_INFO "info"
48#define ACPI_BATTERY_FILE_STATUS "state" 47#define ACPI_BATTERY_FILE_STATUS "state"
@@ -53,10 +52,10 @@
53#define ACPI_BATTERY_UNITS_AMPS "mA" 52#define ACPI_BATTERY_UNITS_AMPS "mA"
54 53
55#define _COMPONENT ACPI_BATTERY_COMPONENT 54#define _COMPONENT ACPI_BATTERY_COMPONENT
56ACPI_MODULE_NAME("acpi_battery") 55ACPI_MODULE_NAME("battery");
57 56
58 MODULE_AUTHOR("Paul Diefenbaugh"); 57MODULE_AUTHOR("Paul Diefenbaugh");
59MODULE_DESCRIPTION(ACPI_BATTERY_DRIVER_NAME); 58MODULE_DESCRIPTION("ACPI Battery Driver");
60MODULE_LICENSE("GPL"); 59MODULE_LICENSE("GPL");
61 60
62extern struct proc_dir_entry *acpi_lock_battery_dir(void); 61extern struct proc_dir_entry *acpi_lock_battery_dir(void);
@@ -67,7 +66,7 @@ static int acpi_battery_remove(struct acpi_device *device, int type);
67static int acpi_battery_resume(struct acpi_device *device); 66static int acpi_battery_resume(struct acpi_device *device);
68 67
69static struct acpi_driver acpi_battery_driver = { 68static struct acpi_driver acpi_battery_driver = {
70 .name = ACPI_BATTERY_DRIVER_NAME, 69 .name = "battery",
71 .class = ACPI_BATTERY_CLASS, 70 .class = ACPI_BATTERY_CLASS,
72 .ids = ACPI_BATTERY_HID, 71 .ids = ACPI_BATTERY_HID,
73 .ops = { 72 .ops = {
@@ -324,6 +323,13 @@ static int acpi_battery_check(struct acpi_battery *battery)
324 return result; 323 return result;
325} 324}
326 325
326static void acpi_battery_check_present(struct acpi_battery *battery)
327{
328 if (!battery->flags.present) {
329 acpi_battery_check(battery);
330 }
331}
332
327/* -------------------------------------------------------------------------- 333/* --------------------------------------------------------------------------
328 FS Interface (/proc) 334 FS Interface (/proc)
329 -------------------------------------------------------------------------- */ 335 -------------------------------------------------------------------------- */
@@ -340,6 +346,8 @@ static int acpi_battery_read_info(struct seq_file *seq, void *offset)
340 if (!battery) 346 if (!battery)
341 goto end; 347 goto end;
342 348
349 acpi_battery_check_present(battery);
350
343 if (battery->flags.present) 351 if (battery->flags.present)
344 seq_printf(seq, "present: yes\n"); 352 seq_printf(seq, "present: yes\n");
345 else { 353 else {
@@ -424,6 +432,8 @@ static int acpi_battery_read_state(struct seq_file *seq, void *offset)
424 if (!battery) 432 if (!battery)
425 goto end; 433 goto end;
426 434
435 acpi_battery_check_present(battery);
436
427 if (battery->flags.present) 437 if (battery->flags.present)
428 seq_printf(seq, "present: yes\n"); 438 seq_printf(seq, "present: yes\n");
429 else { 439 else {
@@ -499,6 +509,8 @@ static int acpi_battery_read_alarm(struct seq_file *seq, void *offset)
499 if (!battery) 509 if (!battery)
500 goto end; 510 goto end;
501 511
512 acpi_battery_check_present(battery);
513
502 if (!battery->flags.present) { 514 if (!battery->flags.present) {
503 seq_printf(seq, "present: no\n"); 515 seq_printf(seq, "present: no\n");
504 goto end; 516 goto end;
@@ -536,6 +548,8 @@ acpi_battery_write_alarm(struct file *file,
536 if (!battery || (count > sizeof(alarm_string) - 1)) 548 if (!battery || (count > sizeof(alarm_string) - 1))
537 return -EINVAL; 549 return -EINVAL;
538 550
551 acpi_battery_check_present(battery);
552
539 if (!battery->flags.present) 553 if (!battery->flags.present)
540 return -ENODEV; 554 return -ENODEV;
541 555
diff --git a/drivers/acpi/bay.c b/drivers/acpi/bay.c
index 91082ce6f5d1..fb3f31b5e69f 100644
--- a/drivers/acpi/bay.c
+++ b/drivers/acpi/bay.c
@@ -32,11 +32,9 @@
32#include <asm/uaccess.h> 32#include <asm/uaccess.h>
33#include <linux/platform_device.h> 33#include <linux/platform_device.h>
34 34
35#define ACPI_BAY_DRIVER_NAME "ACPI Removable Drive Bay Driver" 35ACPI_MODULE_NAME("bay");
36
37ACPI_MODULE_NAME("bay")
38MODULE_AUTHOR("Kristen Carlson Accardi"); 36MODULE_AUTHOR("Kristen Carlson Accardi");
39MODULE_DESCRIPTION(ACPI_BAY_DRIVER_NAME); 37MODULE_DESCRIPTION("ACPI Removable Drive Bay Driver");
40MODULE_LICENSE("GPL"); 38MODULE_LICENSE("GPL");
41#define ACPI_BAY_CLASS "bay" 39#define ACPI_BAY_CLASS "bay"
42#define ACPI_BAY_COMPONENT 0x10000000 40#define ACPI_BAY_COMPONENT 0x10000000
@@ -47,18 +45,6 @@ MODULE_LICENSE("GPL");
47 acpi_get_name(h, ACPI_FULL_PATHNAME, &buffer);\ 45 acpi_get_name(h, ACPI_FULL_PATHNAME, &buffer);\
48 printk(KERN_DEBUG PREFIX "%s: %s\n", prefix, s); } 46 printk(KERN_DEBUG PREFIX "%s: %s\n", prefix, s); }
49static void bay_notify(acpi_handle handle, u32 event, void *data); 47static void bay_notify(acpi_handle handle, u32 event, void *data);
50static int acpi_bay_add(struct acpi_device *device);
51static int acpi_bay_remove(struct acpi_device *device, int type);
52
53static struct acpi_driver acpi_bay_driver = {
54 .name = ACPI_BAY_DRIVER_NAME,
55 .class = ACPI_BAY_CLASS,
56 .ids = ACPI_BAY_HID,
57 .ops = {
58 .add = acpi_bay_add,
59 .remove = acpi_bay_remove,
60 },
61};
62 48
63struct bay { 49struct bay {
64 acpi_handle handle; 50 acpi_handle handle;
@@ -234,14 +220,6 @@ int eject_removable_drive(struct device *dev)
234} 220}
235EXPORT_SYMBOL_GPL(eject_removable_drive); 221EXPORT_SYMBOL_GPL(eject_removable_drive);
236 222
237static int acpi_bay_add(struct acpi_device *device)
238{
239 bay_dprintk(device->handle, "adding bay device");
240 strcpy(acpi_device_name(device), "Dockable Bay");
241 strcpy(acpi_device_class(device), "bay");
242 return 0;
243}
244
245static int acpi_bay_add_fs(struct bay *bay) 223static int acpi_bay_add_fs(struct bay *bay)
246{ 224{
247 int ret; 225 int ret;
@@ -303,7 +281,7 @@ static int bay_add(acpi_handle handle, int id)
303 281
304 /* initialize platform device stuff */ 282 /* initialize platform device stuff */
305 pdev = platform_device_register_simple(ACPI_BAY_CLASS, id, NULL, 0); 283 pdev = platform_device_register_simple(ACPI_BAY_CLASS, id, NULL, 0);
306 if (pdev == NULL) { 284 if (IS_ERR(pdev)) {
307 printk(KERN_ERR PREFIX "Error registering bay device\n"); 285 printk(KERN_ERR PREFIX "Error registering bay device\n");
308 goto bay_add_err; 286 goto bay_add_err;
309 } 287 }
@@ -339,52 +317,6 @@ bay_add_err:
339 return -ENODEV; 317 return -ENODEV;
340} 318}
341 319
342static int acpi_bay_remove(struct acpi_device *device, int type)
343{
344 /*** FIXME: do something here */
345 return 0;
346}
347
348/**
349 * bay_create_acpi_device - add new devices to acpi
350 * @handle - handle of the device to add
351 *
352 * This function will create a new acpi_device for the given
353 * handle if one does not exist already. This should cause
354 * acpi to scan for drivers for the given devices, and call
355 * matching driver's add routine.
356 *
357 * Returns a pointer to the acpi_device corresponding to the handle.
358 */
359static struct acpi_device * bay_create_acpi_device(acpi_handle handle)
360{
361 struct acpi_device *device = NULL;
362 struct acpi_device *parent_device;
363 acpi_handle parent;
364 int ret;
365
366 bay_dprintk(handle, "Trying to get device");
367 if (acpi_bus_get_device(handle, &device)) {
368 /*
369 * no device created for this object,
370 * so we should create one.
371 */
372 bay_dprintk(handle, "No device for handle");
373 acpi_get_parent(handle, &parent);
374 if (acpi_bus_get_device(parent, &parent_device))
375 parent_device = NULL;
376
377 ret = acpi_bus_add(&device, parent_device, handle,
378 ACPI_BUS_TYPE_DEVICE);
379 if (ret) {
380 pr_debug("error adding bus, %x\n",
381 -ret);
382 return NULL;
383 }
384 }
385 return device;
386}
387
388/** 320/**
389 * bay_notify - act upon an acpi bay notification 321 * bay_notify - act upon an acpi bay notification
390 * @handle: the bay handle 322 * @handle: the bay handle
@@ -394,38 +326,19 @@ static struct acpi_device * bay_create_acpi_device(acpi_handle handle)
394 */ 326 */
395static void bay_notify(acpi_handle handle, u32 event, void *data) 327static void bay_notify(acpi_handle handle, u32 event, void *data)
396{ 328{
397 struct acpi_device *dev; 329 struct bay *bay_dev = (struct bay *)data;
330 struct device *dev = &bay_dev->pdev->dev;
398 331
399 bay_dprintk(handle, "Bay event"); 332 bay_dprintk(handle, "Bay event");
400 333
401 switch(event) { 334 switch(event) {
402 case ACPI_NOTIFY_BUS_CHECK: 335 case ACPI_NOTIFY_BUS_CHECK:
403 printk("Bus Check\n");
404 case ACPI_NOTIFY_DEVICE_CHECK: 336 case ACPI_NOTIFY_DEVICE_CHECK:
405 printk("Device Check\n");
406 dev = bay_create_acpi_device(handle);
407 if (dev)
408 acpi_bus_generate_event(dev, event, 0);
409 else
410 printk("No device for generating event\n");
411 /* wouldn't it be a good idea to just rescan SATA
412 * right here?
413 */
414 break;
415 case ACPI_NOTIFY_EJECT_REQUEST: 337 case ACPI_NOTIFY_EJECT_REQUEST:
416 printk("Eject request\n"); 338 kobject_uevent(&dev->kobj, KOBJ_CHANGE);
417 dev = bay_create_acpi_device(handle);
418 if (dev)
419 acpi_bus_generate_event(dev, event, 0);
420 else
421 printk("No device for generating eventn");
422
423 /* wouldn't it be a good idea to just call the
424 * eject_device here if we were a SATA device?
425 */
426 break; 339 break;
427 default: 340 default:
428 printk("unknown event %d\n", event); 341 printk(KERN_ERR PREFIX "Bay: unknown event %d\n", event);
429 } 342 }
430} 343}
431 344
@@ -457,10 +370,6 @@ static int __init bay_init(void)
457 acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT, 370 acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
458 ACPI_UINT32_MAX, find_bay, &bays, NULL); 371 ACPI_UINT32_MAX, find_bay, &bays, NULL);
459 372
460 if (bays)
461 if ((acpi_bus_register_driver(&acpi_bay_driver) < 0))
462 printk(KERN_ERR "Unable to register bay driver\n");
463
464 if (!bays) 373 if (!bays)
465 return -ENODEV; 374 return -ENODEV;
466 375
@@ -481,8 +390,6 @@ static void __exit bay_exit(void)
481 kfree(bay->name); 390 kfree(bay->name);
482 kfree(bay); 391 kfree(bay);
483 } 392 }
484
485 acpi_bus_unregister_driver(&acpi_bay_driver);
486} 393}
487 394
488postcore_initcall(bay_init); 395postcore_initcall(bay_init);
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index c26468da4295..dd49ea0d0ed3 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -39,7 +39,7 @@
39#include <acpi/acpi_drivers.h> 39#include <acpi/acpi_drivers.h>
40 40
41#define _COMPONENT ACPI_BUS_COMPONENT 41#define _COMPONENT ACPI_BUS_COMPONENT
42ACPI_MODULE_NAME("acpi_bus") 42ACPI_MODULE_NAME("bus");
43#ifdef CONFIG_X86 43#ifdef CONFIG_X86
44extern void __init acpi_pic_sci_set_trigger(unsigned int irq, u16 trigger); 44extern void __init acpi_pic_sci_set_trigger(unsigned int irq, u16 trigger);
45#endif 45#endif
@@ -147,7 +147,7 @@ int acpi_bus_get_power(acpi_handle handle, int *state)
147 *state = ACPI_STATE_D0; 147 *state = ACPI_STATE_D0;
148 } else { 148 } else {
149 /* 149 /*
150 * Get the device's power state either directly (via _PSC) or 150 * Get the device's power state either directly (via _PSC) or
151 * indirectly (via power resources). 151 * indirectly (via power resources).
152 */ 152 */
153 if (device->power.flags.explicit_get) { 153 if (device->power.flags.explicit_get) {
@@ -199,15 +199,14 @@ int acpi_bus_set_power(acpi_handle handle, int state)
199 * Get device's current power state if it's unknown 199 * Get device's current power state if it's unknown
200 * This means device power state isn't initialized or previous setting failed 200 * This means device power state isn't initialized or previous setting failed
201 */ 201 */
202 if (!device->flags.force_power_state) { 202 if ((device->power.state == ACPI_STATE_UNKNOWN) || device->flags.force_power_state)
203 if (device->power.state == ACPI_STATE_UNKNOWN) 203 acpi_bus_get_power(device->handle, &device->power.state);
204 acpi_bus_get_power(device->handle, &device->power.state); 204 if ((state == device->power.state) && !device->flags.force_power_state) {
205 if (state == device->power.state) { 205 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device is already at D%d\n",
206 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device is already at D%d\n", 206 state));
207 state)); 207 return 0;
208 return 0;
209 }
210 } 208 }
209
211 if (!device->power.states[state].flags.valid) { 210 if (!device->power.states[state].flags.valid) {
212 printk(KERN_WARNING PREFIX "Device does not support D%d\n", state); 211 printk(KERN_WARNING PREFIX "Device does not support D%d\n", state);
213 return -ENODEV; 212 return -ENODEV;
@@ -462,7 +461,7 @@ static void acpi_bus_notify(acpi_handle handle, u32 type, void *data)
462 "Received BUS CHECK notification for device [%s]\n", 461 "Received BUS CHECK notification for device [%s]\n",
463 device->pnp.bus_id)); 462 device->pnp.bus_id));
464 result = acpi_bus_check_scope(device); 463 result = acpi_bus_check_scope(device);
465 /* 464 /*
466 * TBD: We'll need to outsource certain events to non-ACPI 465 * TBD: We'll need to outsource certain events to non-ACPI
467 * drivers via the device manager (device.c). 466 * drivers via the device manager (device.c).
468 */ 467 */
@@ -473,7 +472,7 @@ static void acpi_bus_notify(acpi_handle handle, u32 type, void *data)
473 "Received DEVICE CHECK notification for device [%s]\n", 472 "Received DEVICE CHECK notification for device [%s]\n",
474 device->pnp.bus_id)); 473 device->pnp.bus_id));
475 result = acpi_bus_check_device(device, NULL); 474 result = acpi_bus_check_device(device, NULL);
476 /* 475 /*
477 * TBD: We'll need to outsource certain events to non-ACPI 476 * TBD: We'll need to outsource certain events to non-ACPI
478 * drivers via the device manager (device.c). 477 * drivers via the device manager (device.c).
479 */ 478 */
@@ -543,7 +542,7 @@ static int __init acpi_bus_init_irq(void)
543 char *message = NULL; 542 char *message = NULL;
544 543
545 544
546 /* 545 /*
547 * Let the system know what interrupt model we are using by 546 * Let the system know what interrupt model we are using by
548 * evaluating the \_PIC object, if exists. 547 * evaluating the \_PIC object, if exists.
549 */ 548 */
@@ -684,7 +683,7 @@ static int __init acpi_bus_init(void)
684 * the EC device is found in the namespace (i.e. before acpi_initialize_objects() 683 * the EC device is found in the namespace (i.e. before acpi_initialize_objects()
685 * is called). 684 * is called).
686 * 685 *
687 * This is accomplished by looking for the ECDT table, and getting 686 * This is accomplished by looking for the ECDT table, and getting
688 * the EC parameters out of that. 687 * the EC parameters out of that.
689 */ 688 */
690 status = acpi_ec_ecdt_probe(); 689 status = acpi_ec_ecdt_probe();
@@ -699,6 +698,9 @@ static int __init acpi_bus_init(void)
699 698
700 printk(KERN_INFO PREFIX "Interpreter enabled\n"); 699 printk(KERN_INFO PREFIX "Interpreter enabled\n");
701 700
701 /* Initialize sleep structures */
702 acpi_sleep_init();
703
702 /* 704 /*
703 * Get the system interrupt model and evaluate \_PIC. 705 * Get the system interrupt model and evaluate \_PIC.
704 */ 706 */
diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c
index c726612fafb6..cb4110b50cd0 100644
--- a/drivers/acpi/button.c
+++ b/drivers/acpi/button.c
@@ -34,7 +34,6 @@
34#include <acpi/acpi_drivers.h> 34#include <acpi/acpi_drivers.h>
35 35
36#define ACPI_BUTTON_COMPONENT 0x00080000 36#define ACPI_BUTTON_COMPONENT 0x00080000
37#define ACPI_BUTTON_DRIVER_NAME "ACPI Button Driver"
38#define ACPI_BUTTON_CLASS "button" 37#define ACPI_BUTTON_CLASS "button"
39#define ACPI_BUTTON_FILE_INFO "info" 38#define ACPI_BUTTON_FILE_INFO "info"
40#define ACPI_BUTTON_FILE_STATE "state" 39#define ACPI_BUTTON_FILE_STATE "state"
@@ -61,10 +60,10 @@
61#define ACPI_BUTTON_TYPE_LID 0x05 60#define ACPI_BUTTON_TYPE_LID 0x05
62 61
63#define _COMPONENT ACPI_BUTTON_COMPONENT 62#define _COMPONENT ACPI_BUTTON_COMPONENT
64ACPI_MODULE_NAME("acpi_button") 63ACPI_MODULE_NAME("button");
65 64
66MODULE_AUTHOR("Paul Diefenbaugh"); 65MODULE_AUTHOR("Paul Diefenbaugh");
67MODULE_DESCRIPTION(ACPI_BUTTON_DRIVER_NAME); 66MODULE_DESCRIPTION("ACPI Button Driver");
68MODULE_LICENSE("GPL"); 67MODULE_LICENSE("GPL");
69 68
70static int acpi_button_add(struct acpi_device *device); 69static int acpi_button_add(struct acpi_device *device);
@@ -73,7 +72,7 @@ static int acpi_button_info_open_fs(struct inode *inode, struct file *file);
73static int acpi_button_state_open_fs(struct inode *inode, struct file *file); 72static int acpi_button_state_open_fs(struct inode *inode, struct file *file);
74 73
75static struct acpi_driver acpi_button_driver = { 74static struct acpi_driver acpi_button_driver = {
76 .name = ACPI_BUTTON_DRIVER_NAME, 75 .name = "button",
77 .class = ACPI_BUTTON_CLASS, 76 .class = ACPI_BUTTON_CLASS,
78 .ids = "button_power,button_sleep,PNP0C0D,PNP0C0C,PNP0C0E", 77 .ids = "button_power,button_sleep,PNP0C0D,PNP0C0C,PNP0C0E",
79 .ops = { 78 .ops = {
diff --git a/drivers/acpi/cm_sbs.c b/drivers/acpi/cm_sbs.c
index 4a9b7bf6f44e..f9db4f444bd0 100644
--- a/drivers/acpi/cm_sbs.c
+++ b/drivers/acpi/cm_sbs.c
@@ -31,7 +31,7 @@
31#include <acpi/actypes.h> 31#include <acpi/actypes.h>
32#include <acpi/acutils.h> 32#include <acpi/acutils.h>
33 33
34ACPI_MODULE_NAME("cm_sbs") 34ACPI_MODULE_NAME("cm_sbs");
35#define ACPI_AC_CLASS "ac_adapter" 35#define ACPI_AC_CLASS "ac_adapter"
36#define ACPI_BATTERY_CLASS "battery" 36#define ACPI_BATTERY_CLASS "battery"
37#define ACPI_SBS_COMPONENT 0x00080000 37#define ACPI_SBS_COMPONENT 0x00080000
diff --git a/drivers/acpi/container.c b/drivers/acpi/container.c
index 69a68fd394cf..0930d9413dfa 100644
--- a/drivers/acpi/container.c
+++ b/drivers/acpi/container.c
@@ -35,7 +35,6 @@
35#include <acpi/acpi_drivers.h> 35#include <acpi/acpi_drivers.h>
36#include <acpi/container.h> 36#include <acpi/container.h>
37 37
38#define ACPI_CONTAINER_DRIVER_NAME "ACPI container driver"
39#define ACPI_CONTAINER_DEVICE_NAME "ACPI container device" 38#define ACPI_CONTAINER_DEVICE_NAME "ACPI container device"
40#define ACPI_CONTAINER_CLASS "container" 39#define ACPI_CONTAINER_CLASS "container"
41 40
@@ -44,10 +43,10 @@
44 43
45#define ACPI_CONTAINER_COMPONENT 0x01000000 44#define ACPI_CONTAINER_COMPONENT 0x01000000
46#define _COMPONENT ACPI_CONTAINER_COMPONENT 45#define _COMPONENT ACPI_CONTAINER_COMPONENT
47ACPI_MODULE_NAME("acpi_container") 46ACPI_MODULE_NAME("container");
48 47
49 MODULE_AUTHOR("Anil S Keshavamurthy"); 48MODULE_AUTHOR("Anil S Keshavamurthy");
50MODULE_DESCRIPTION(ACPI_CONTAINER_DRIVER_NAME); 49MODULE_DESCRIPTION("ACPI container driver");
51MODULE_LICENSE("GPL"); 50MODULE_LICENSE("GPL");
52 51
53#define ACPI_STA_PRESENT (0x00000001) 52#define ACPI_STA_PRESENT (0x00000001)
@@ -56,7 +55,7 @@ static int acpi_container_add(struct acpi_device *device);
56static int acpi_container_remove(struct acpi_device *device, int type); 55static int acpi_container_remove(struct acpi_device *device, int type);
57 56
58static struct acpi_driver acpi_container_driver = { 57static struct acpi_driver acpi_container_driver = {
59 .name = ACPI_CONTAINER_DRIVER_NAME, 58 .name = "container",
60 .class = ACPI_CONTAINER_CLASS, 59 .class = ACPI_CONTAINER_CLASS,
61 .ids = "ACPI0004,PNP0A05,PNP0A06", 60 .ids = "ACPI0004,PNP0A05,PNP0A06",
62 .ops = { 61 .ops = {
diff --git a/drivers/acpi/debug.c b/drivers/acpi/debug.c
index d48f65a8f658..bf513e07b773 100644
--- a/drivers/acpi/debug.c
+++ b/drivers/acpi/debug.c
@@ -12,7 +12,7 @@
12#include <acpi/acglobal.h> 12#include <acpi/acglobal.h>
13 13
14#define _COMPONENT ACPI_SYSTEM_COMPONENT 14#define _COMPONENT ACPI_SYSTEM_COMPONENT
15ACPI_MODULE_NAME("debug") 15ACPI_MODULE_NAME("debug");
16 16
17#ifdef MODULE_PARAM_PREFIX 17#ifdef MODULE_PARAM_PREFIX
18#undef MODULE_PARAM_PREFIX 18#undef MODULE_PARAM_PREFIX
diff --git a/drivers/acpi/dispatcher/dsmethod.c b/drivers/acpi/dispatcher/dsmethod.c
index 1cbe61905824..1683e5c5b94c 100644
--- a/drivers/acpi/dispatcher/dsmethod.c
+++ b/drivers/acpi/dispatcher/dsmethod.c
@@ -231,10 +231,8 @@ acpi_ds_begin_method_execution(struct acpi_namespace_node *method_node,
231 * Obtain the method mutex if necessary. Do not acquire mutex for a 231 * Obtain the method mutex if necessary. Do not acquire mutex for a
232 * recursive call. 232 * recursive call.
233 */ 233 */
234 if (!walk_state || 234 if (acpi_os_get_thread_id() !=
235 !obj_desc->method.mutex->mutex.owner_thread || 235 obj_desc->method.mutex->mutex.owner_thread_id) {
236 (walk_state->thread !=
237 obj_desc->method.mutex->mutex.owner_thread)) {
238 /* 236 /*
239 * Acquire the method mutex. This releases the interpreter if we 237 * Acquire the method mutex. This releases the interpreter if we
240 * block (and reacquires it before it returns) 238 * block (and reacquires it before it returns)
@@ -248,14 +246,14 @@ acpi_ds_begin_method_execution(struct acpi_namespace_node *method_node,
248 } 246 }
249 247
250 /* Update the mutex and walk info and save the original sync_level */ 248 /* Update the mutex and walk info and save the original sync_level */
249 obj_desc->method.mutex->mutex.owner_thread_id =
250 acpi_os_get_thread_id();
251 251
252 if (walk_state) { 252 if (walk_state) {
253 obj_desc->method.mutex->mutex. 253 obj_desc->method.mutex->mutex.
254 original_sync_level = 254 original_sync_level =
255 walk_state->thread->current_sync_level; 255 walk_state->thread->current_sync_level;
256 256
257 obj_desc->method.mutex->mutex.owner_thread =
258 walk_state->thread;
259 walk_state->thread->current_sync_level = 257 walk_state->thread->current_sync_level =
260 obj_desc->method.sync_level; 258 obj_desc->method.sync_level;
261 } else { 259 } else {
@@ -569,7 +567,7 @@ acpi_ds_terminate_control_method(union acpi_operand_object *method_desc,
569 567
570 acpi_os_release_mutex(method_desc->method.mutex->mutex. 568 acpi_os_release_mutex(method_desc->method.mutex->mutex.
571 os_mutex); 569 os_mutex);
572 method_desc->method.mutex->mutex.owner_thread = NULL; 570 method_desc->method.mutex->mutex.owner_thread_id = ACPI_MUTEX_NOT_ACQUIRED;
573 } 571 }
574 } 572 }
575 573
diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
index 688e83a16906..54a697f9aa18 100644
--- a/drivers/acpi/dock.c
+++ b/drivers/acpi/dock.c
@@ -32,11 +32,11 @@
32#include <acpi/acpi_bus.h> 32#include <acpi/acpi_bus.h>
33#include <acpi/acpi_drivers.h> 33#include <acpi/acpi_drivers.h>
34 34
35#define ACPI_DOCK_DRIVER_NAME "ACPI Dock Station Driver" 35#define ACPI_DOCK_DRIVER_DESCRIPTION "ACPI Dock Station Driver"
36 36
37ACPI_MODULE_NAME("dock") 37ACPI_MODULE_NAME("dock");
38MODULE_AUTHOR("Kristen Carlson Accardi"); 38MODULE_AUTHOR("Kristen Carlson Accardi");
39MODULE_DESCRIPTION(ACPI_DOCK_DRIVER_NAME); 39MODULE_DESCRIPTION(ACPI_DOCK_DRIVER_DESCRIPTION);
40MODULE_LICENSE("GPL"); 40MODULE_LICENSE("GPL");
41 41
42static struct atomic_notifier_head dock_notifier_list; 42static struct atomic_notifier_head dock_notifier_list;
@@ -741,7 +741,7 @@ static int dock_add(acpi_handle handle)
741 goto dock_add_err; 741 goto dock_add_err;
742 } 742 }
743 743
744 printk(KERN_INFO PREFIX "%s \n", ACPI_DOCK_DRIVER_NAME); 744 printk(KERN_INFO PREFIX "%s \n", ACPI_DOCK_DRIVER_DESCRIPTION);
745 745
746 return 0; 746 return 0;
747 747
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 743ce27fa0bb..ab6888373795 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -38,11 +38,10 @@
38#include <acpi/actypes.h> 38#include <acpi/actypes.h>
39 39
40#define _COMPONENT ACPI_EC_COMPONENT 40#define _COMPONENT ACPI_EC_COMPONENT
41ACPI_MODULE_NAME("acpi_ec") 41ACPI_MODULE_NAME("ec");
42#define ACPI_EC_COMPONENT 0x00100000 42#define ACPI_EC_COMPONENT 0x00100000
43#define ACPI_EC_CLASS "embedded_controller" 43#define ACPI_EC_CLASS "embedded_controller"
44#define ACPI_EC_HID "PNP0C09" 44#define ACPI_EC_HID "PNP0C09"
45#define ACPI_EC_DRIVER_NAME "ACPI Embedded Controller Driver"
46#define ACPI_EC_DEVICE_NAME "Embedded Controller" 45#define ACPI_EC_DEVICE_NAME "Embedded Controller"
47#define ACPI_EC_FILE_INFO "info" 46#define ACPI_EC_FILE_INFO "info"
48#undef PREFIX 47#undef PREFIX
@@ -80,7 +79,7 @@ static int acpi_ec_stop(struct acpi_device *device, int type);
80static int acpi_ec_add(struct acpi_device *device); 79static int acpi_ec_add(struct acpi_device *device);
81 80
82static struct acpi_driver acpi_ec_driver = { 81static struct acpi_driver acpi_ec_driver = {
83 .name = ACPI_EC_DRIVER_NAME, 82 .name = "ec",
84 .class = ACPI_EC_CLASS, 83 .class = ACPI_EC_CLASS,
85 .ids = ACPI_EC_HID, 84 .ids = ACPI_EC_HID,
86 .ops = { 85 .ops = {
@@ -280,8 +279,10 @@ static int acpi_ec_transaction(struct acpi_ec *ec, u8 command,
280 mutex_lock(&ec->lock); 279 mutex_lock(&ec->lock);
281 if (ec->global_lock) { 280 if (ec->global_lock) {
282 status = acpi_acquire_global_lock(ACPI_EC_UDELAY_GLK, &glk); 281 status = acpi_acquire_global_lock(ACPI_EC_UDELAY_GLK, &glk);
283 if (ACPI_FAILURE(status)) 282 if (ACPI_FAILURE(status)) {
283 mutex_unlock(&ec->lock);
284 return -ENODEV; 284 return -ENODEV;
285 }
285 } 286 }
286 287
287 /* Make sure GPE is enabled before doing transaction */ 288 /* Make sure GPE is enabled before doing transaction */
diff --git a/drivers/acpi/event.c b/drivers/acpi/event.c
index 959a893c8d1f..3b23562e6f92 100644
--- a/drivers/acpi/event.c
+++ b/drivers/acpi/event.c
@@ -13,7 +13,7 @@
13#include <acpi/acpi_drivers.h> 13#include <acpi/acpi_drivers.h>
14 14
15#define _COMPONENT ACPI_SYSTEM_COMPONENT 15#define _COMPONENT ACPI_SYSTEM_COMPONENT
16ACPI_MODULE_NAME("event") 16ACPI_MODULE_NAME("event");
17 17
18/* Global vars for handling event proc entry */ 18/* Global vars for handling event proc entry */
19static DEFINE_SPINLOCK(acpi_system_event_lock); 19static DEFINE_SPINLOCK(acpi_system_event_lock);
diff --git a/drivers/acpi/events/evgpe.c b/drivers/acpi/events/evgpe.c
index dfac3ecc596e..635ba449ebc2 100644
--- a/drivers/acpi/events/evgpe.c
+++ b/drivers/acpi/events/evgpe.c
@@ -636,17 +636,6 @@ acpi_ev_gpe_dispatch(struct acpi_gpe_event_info *gpe_event_info, u32 gpe_number)
636 } 636 }
637 } 637 }
638 638
639 if (!acpi_gbl_system_awake_and_running) {
640 /*
641 * We just woke up because of a wake GPE. Disable any further GPEs
642 * until we are fully up and running (Only wake GPEs should be enabled
643 * at this time, but we just brute-force disable them all.)
644 * 1) We must disable this particular wake GPE so it won't fire again
645 * 2) We want to disable all wake GPEs, since we are now awake
646 */
647 (void)acpi_hw_disable_all_gpes();
648 }
649
650 /* 639 /*
651 * Dispatch the GPE to either an installed handler, or the control method 640 * Dispatch the GPE to either an installed handler, or the control method
652 * associated with this GPE (_Lxx or _Exx). If a handler exists, we invoke 641 * associated with this GPE (_Lxx or _Exx). If a handler exists, we invoke
diff --git a/drivers/acpi/events/evmisc.c b/drivers/acpi/events/evmisc.c
index 1b784ffe54c3..d572700197f3 100644
--- a/drivers/acpi/events/evmisc.c
+++ b/drivers/acpi/events/evmisc.c
@@ -196,12 +196,11 @@ acpi_ev_queue_notify_request(struct acpi_namespace_node * node,
196 notify_info->notify.value = (u16) notify_value; 196 notify_info->notify.value = (u16) notify_value;
197 notify_info->notify.handler_obj = handler_obj; 197 notify_info->notify.handler_obj = handler_obj;
198 198
199 status = 199 acpi_ex_relinquish_interpreter();
200 acpi_os_execute(OSL_NOTIFY_HANDLER, acpi_ev_notify_dispatch, 200
201 notify_info); 201 acpi_ev_notify_dispatch(notify_info);
202 if (ACPI_FAILURE(status)) { 202
203 acpi_ut_delete_generic_state(notify_info); 203 acpi_ex_reacquire_interpreter();
204 }
205 } 204 }
206 205
207 if (!handler_obj) { 206 if (!handler_obj) {
diff --git a/drivers/acpi/executer/exdump.c b/drivers/acpi/executer/exdump.c
index 68d283fd60e7..1a73c14df2c5 100644
--- a/drivers/acpi/executer/exdump.c
+++ b/drivers/acpi/executer/exdump.c
@@ -134,7 +134,7 @@ static struct acpi_exdump_info acpi_ex_dump_method[8] = {
134static struct acpi_exdump_info acpi_ex_dump_mutex[5] = { 134static struct acpi_exdump_info acpi_ex_dump_mutex[5] = {
135 {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_mutex), NULL}, 135 {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_mutex), NULL},
136 {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(mutex.sync_level), "Sync Level"}, 136 {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(mutex.sync_level), "Sync Level"},
137 {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(mutex.owner_thread), "Owner Thread"}, 137 {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(mutex.owner_thread_id), "Owner Thread"},
138 {ACPI_EXD_UINT16, ACPI_EXD_OFFSET(mutex.acquisition_depth), 138 {ACPI_EXD_UINT16, ACPI_EXD_OFFSET(mutex.acquisition_depth),
139 "Acquire Depth"}, 139 "Acquire Depth"},
140 {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(mutex.os_mutex), "OsMutex"} 140 {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(mutex.os_mutex), "OsMutex"}
diff --git a/drivers/acpi/executer/exmutex.c b/drivers/acpi/executer/exmutex.c
index 5101bad5baf8..4eb883bda6ae 100644
--- a/drivers/acpi/executer/exmutex.c
+++ b/drivers/acpi/executer/exmutex.c
@@ -66,10 +66,9 @@ acpi_ex_link_mutex(union acpi_operand_object *obj_desc,
66 * 66 *
67 ******************************************************************************/ 67 ******************************************************************************/
68 68
69void acpi_ex_unlink_mutex(union acpi_operand_object *obj_desc) 69void acpi_ex_unlink_mutex(union acpi_operand_object *obj_desc,
70 struct acpi_thread_state *thread)
70{ 71{
71 struct acpi_thread_state *thread = obj_desc->mutex.owner_thread;
72
73 if (!thread) { 72 if (!thread) {
74 return; 73 return;
75 } 74 }
@@ -174,16 +173,13 @@ acpi_ex_acquire_mutex(union acpi_operand_object *time_desc,
174 173
175 /* Support for multiple acquires by the owning thread */ 174 /* Support for multiple acquires by the owning thread */
176 175
177 if (obj_desc->mutex.owner_thread) { 176 if (obj_desc->mutex.owner_thread_id == acpi_os_get_thread_id()) {
178 if (obj_desc->mutex.owner_thread->thread_id == 177 /*
179 walk_state->thread->thread_id) { 178 * The mutex is already owned by this thread, just increment the
180 /* 179 * acquisition depth
181 * The mutex is already owned by this thread, just increment the 180 */
182 * acquisition depth 181 obj_desc->mutex.acquisition_depth++;
183 */ 182 return_ACPI_STATUS(AE_OK);
184 obj_desc->mutex.acquisition_depth++;
185 return_ACPI_STATUS(AE_OK);
186 }
187 } 183 }
188 184
189 /* Acquire the mutex, wait if necessary. Special case for Global Lock */ 185 /* Acquire the mutex, wait if necessary. Special case for Global Lock */
@@ -206,7 +202,7 @@ acpi_ex_acquire_mutex(union acpi_operand_object *time_desc,
206 202
207 /* Have the mutex: update mutex and walk info and save the sync_level */ 203 /* Have the mutex: update mutex and walk info and save the sync_level */
208 204
209 obj_desc->mutex.owner_thread = walk_state->thread; 205 obj_desc->mutex.owner_thread_id = acpi_os_get_thread_id();
210 obj_desc->mutex.acquisition_depth = 1; 206 obj_desc->mutex.acquisition_depth = 1;
211 obj_desc->mutex.original_sync_level = 207 obj_desc->mutex.original_sync_level =
212 walk_state->thread->current_sync_level; 208 walk_state->thread->current_sync_level;
@@ -246,7 +242,7 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
246 242
247 /* The mutex must have been previously acquired in order to release it */ 243 /* The mutex must have been previously acquired in order to release it */
248 244
249 if (!obj_desc->mutex.owner_thread) { 245 if (!obj_desc->mutex.owner_thread_id) {
250 ACPI_ERROR((AE_INFO, 246 ACPI_ERROR((AE_INFO,
251 "Cannot release Mutex [%4.4s], not acquired", 247 "Cannot release Mutex [%4.4s], not acquired",
252 acpi_ut_get_node_name(obj_desc->mutex.node))); 248 acpi_ut_get_node_name(obj_desc->mutex.node)));
@@ -266,14 +262,14 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
266 * The Mutex is owned, but this thread must be the owner. 262 * The Mutex is owned, but this thread must be the owner.
267 * Special case for Global Lock, any thread can release 263 * Special case for Global Lock, any thread can release
268 */ 264 */
269 if ((obj_desc->mutex.owner_thread->thread_id != 265 if ((obj_desc->mutex.owner_thread_id !=
270 walk_state->thread->thread_id) 266 walk_state->thread->thread_id)
271 && (obj_desc->mutex.os_mutex != acpi_gbl_global_lock_mutex)) { 267 && (obj_desc->mutex.os_mutex != acpi_gbl_global_lock_mutex)) {
272 ACPI_ERROR((AE_INFO, 268 ACPI_ERROR((AE_INFO,
273 "Thread %lX cannot release Mutex [%4.4s] acquired by thread %lX", 269 "Thread %lX cannot release Mutex [%4.4s] acquired by thread %lX",
274 (unsigned long)walk_state->thread->thread_id, 270 (unsigned long)walk_state->thread->thread_id,
275 acpi_ut_get_node_name(obj_desc->mutex.node), 271 acpi_ut_get_node_name(obj_desc->mutex.node),
276 (unsigned long)obj_desc->mutex.owner_thread->thread_id)); 272 (unsigned long)obj_desc->mutex.owner_thread_id));
277 return_ACPI_STATUS(AE_AML_NOT_OWNER); 273 return_ACPI_STATUS(AE_AML_NOT_OWNER);
278 } 274 }
279 275
@@ -300,7 +296,7 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
300 296
301 /* Unlink the mutex from the owner's list */ 297 /* Unlink the mutex from the owner's list */
302 298
303 acpi_ex_unlink_mutex(obj_desc); 299 acpi_ex_unlink_mutex(obj_desc, walk_state->thread);
304 300
305 /* Release the mutex, special case for Global Lock */ 301 /* Release the mutex, special case for Global Lock */
306 302
@@ -312,7 +308,7 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
312 308
313 /* Update the mutex and restore sync_level */ 309 /* Update the mutex and restore sync_level */
314 310
315 obj_desc->mutex.owner_thread = NULL; 311 obj_desc->mutex.owner_thread_id = ACPI_MUTEX_NOT_ACQUIRED;
316 walk_state->thread->current_sync_level = 312 walk_state->thread->current_sync_level =
317 obj_desc->mutex.original_sync_level; 313 obj_desc->mutex.original_sync_level;
318 314
@@ -367,7 +363,7 @@ void acpi_ex_release_all_mutexes(struct acpi_thread_state *thread)
367 363
368 /* Mark mutex unowned */ 364 /* Mark mutex unowned */
369 365
370 obj_desc->mutex.owner_thread = NULL; 366 obj_desc->mutex.owner_thread_id = ACPI_MUTEX_NOT_ACQUIRED;
371 367
372 /* Update Thread sync_level (Last mutex is the important one) */ 368 /* Update Thread sync_level (Last mutex is the important one) */
373 369
diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c
index af22fdf73413..ec655c539492 100644
--- a/drivers/acpi/fan.c
+++ b/drivers/acpi/fan.c
@@ -36,14 +36,13 @@
36 36
37#define ACPI_FAN_COMPONENT 0x00200000 37#define ACPI_FAN_COMPONENT 0x00200000
38#define ACPI_FAN_CLASS "fan" 38#define ACPI_FAN_CLASS "fan"
39#define ACPI_FAN_DRIVER_NAME "ACPI Fan Driver"
40#define ACPI_FAN_FILE_STATE "state" 39#define ACPI_FAN_FILE_STATE "state"
41 40
42#define _COMPONENT ACPI_FAN_COMPONENT 41#define _COMPONENT ACPI_FAN_COMPONENT
43ACPI_MODULE_NAME("acpi_fan") 42ACPI_MODULE_NAME("fan");
44 43
45 MODULE_AUTHOR("Paul Diefenbaugh"); 44MODULE_AUTHOR("Paul Diefenbaugh");
46MODULE_DESCRIPTION(ACPI_FAN_DRIVER_NAME); 45MODULE_DESCRIPTION("ACPI Fan Driver");
47MODULE_LICENSE("GPL"); 46MODULE_LICENSE("GPL");
48 47
49static int acpi_fan_add(struct acpi_device *device); 48static int acpi_fan_add(struct acpi_device *device);
@@ -52,7 +51,7 @@ static int acpi_fan_suspend(struct acpi_device *device, pm_message_t state);
52static int acpi_fan_resume(struct acpi_device *device); 51static int acpi_fan_resume(struct acpi_device *device);
53 52
54static struct acpi_driver acpi_fan_driver = { 53static struct acpi_driver acpi_fan_driver = {
55 .name = ACPI_FAN_DRIVER_NAME, 54 .name = "fan",
56 .class = ACPI_FAN_CLASS, 55 .class = ACPI_FAN_CLASS,
57 .ids = "PNP0C0B", 56 .ids = "PNP0C0B",
58 .ops = { 57 .ops = {
diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c
index 7b6c9ff9bebe..4334c208841a 100644
--- a/drivers/acpi/glue.c
+++ b/drivers/acpi/glue.c
@@ -241,3 +241,65 @@ static int __init init_acpi_device_notify(void)
241} 241}
242 242
243arch_initcall(init_acpi_device_notify); 243arch_initcall(init_acpi_device_notify);
244
245
246#if defined(CONFIG_RTC_DRV_CMOS) || defined(CONFIG_RTC_DRV_CMOS_MODULE)
247
248/* Every ACPI platform has a mc146818 compatible "cmos rtc". Here we find
249 * its device node and pass extra config data. This helps its driver use
250 * capabilities that the now-obsolete mc146818 didn't have, and informs it
251 * that this board's RTC is wakeup-capable (per ACPI spec).
252 */
253#include <linux/mc146818rtc.h>
254
255static struct cmos_rtc_board_info rtc_info;
256
257
258/* PNP devices are registered in a subsys_initcall();
259 * ACPI specifies the PNP IDs to use.
260 */
261#include <linux/pnp.h>
262
263static int __init pnp_match(struct device *dev, void *data)
264{
265 static const char *ids[] = { "PNP0b00", "PNP0b01", "PNP0b02", };
266 struct pnp_dev *pnp = to_pnp_dev(dev);
267 int i;
268
269 for (i = 0; i < ARRAY_SIZE(ids); i++) {
270 if (compare_pnp_id(pnp->id, ids[i]) != 0)
271 return 1;
272 }
273 return 0;
274}
275
276static struct device *__init get_rtc_dev(void)
277{
278 return bus_find_device(&pnp_bus_type, NULL, NULL, pnp_match);
279}
280
281static int __init acpi_rtc_init(void)
282{
283 struct device *dev = get_rtc_dev();
284
285 if (dev) {
286 rtc_info.rtc_day_alarm = acpi_gbl_FADT.day_alarm;
287 rtc_info.rtc_mon_alarm = acpi_gbl_FADT.month_alarm;
288 rtc_info.rtc_century = acpi_gbl_FADT.century;
289
290 /* NOTE: acpi_gbl_FADT->rtcs4 is NOT currently useful */
291
292 dev->platform_data = &rtc_info;
293
294 /* RTC always wakes from S1/S2/S3, and often S4/STD */
295 device_init_wakeup(dev, 1);
296
297 put_device(dev);
298 } else
299 pr_debug("ACPI: RTC unavailable?\n");
300 return 0;
301}
302/* do this between RTC subsys_initcall() and rtc_cmos driver_initcall() */
303fs_initcall(acpi_rtc_init);
304
305#endif
diff --git a/drivers/acpi/hardware/hwsleep.c b/drivers/acpi/hardware/hwsleep.c
index 57901ca3ade9..8fa93125fd4c 100644
--- a/drivers/acpi/hardware/hwsleep.c
+++ b/drivers/acpi/hardware/hwsleep.c
@@ -235,6 +235,14 @@ acpi_status acpi_enter_sleep_state_prep(u8 sleep_state)
235 "While executing method _SST")); 235 "While executing method _SST"));
236 } 236 }
237 237
238 /*
239 * 1) Disable/Clear all GPEs
240 */
241 status = acpi_hw_disable_all_gpes();
242 if (ACPI_FAILURE(status)) {
243 return_ACPI_STATUS(status);
244 }
245
238 return_ACPI_STATUS(AE_OK); 246 return_ACPI_STATUS(AE_OK);
239} 247}
240 248
@@ -290,13 +298,8 @@ acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state)
290 } 298 }
291 299
292 /* 300 /*
293 * 1) Disable/Clear all GPEs
294 * 2) Enable all wakeup GPEs 301 * 2) Enable all wakeup GPEs
295 */ 302 */
296 status = acpi_hw_disable_all_gpes();
297 if (ACPI_FAILURE(status)) {
298 return_ACPI_STATUS(status);
299 }
300 acpi_gbl_system_awake_and_running = FALSE; 303 acpi_gbl_system_awake_and_running = FALSE;
301 304
302 status = acpi_hw_enable_all_wakeup_gpes(); 305 status = acpi_hw_enable_all_wakeup_gpes();
diff --git a/drivers/acpi/hotkey.c b/drivers/acpi/hotkey.c
deleted file mode 100644
index 8edfb92f7ede..000000000000
--- a/drivers/acpi/hotkey.c
+++ /dev/null
@@ -1,1042 +0,0 @@
1/*
2 * hotkey.c - ACPI Hotkey Driver ($Revision: 0.2 $)
3 *
4 * Copyright (C) 2004 Luming Yu <luming.yu@intel.com>
5 *
6 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or (at
11 * your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License along
19 * with this program; if not, write to the Free Software Foundation, Inc.,
20 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
21 *
22 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
23 */
24#include <linux/kernel.h>
25#include <linux/module.h>
26#include <linux/init.h>
27#include <linux/types.h>
28#include <linux/proc_fs.h>
29#include <linux/sched.h>
30#include <linux/kmod.h>
31#include <linux/seq_file.h>
32#include <acpi/acpi_drivers.h>
33#include <acpi/acpi_bus.h>
34#include <asm/uaccess.h>
35
36#define HOTKEY_ACPI_VERSION "0.1"
37
38#define HOTKEY_PROC "hotkey"
39#define HOTKEY_EV_CONFIG "event_config"
40#define HOTKEY_PL_CONFIG "poll_config"
41#define HOTKEY_ACTION "action"
42#define HOTKEY_INFO "info"
43
44#define ACPI_HOTK_NAME "Generic Hotkey Driver"
45#define ACPI_HOTK_CLASS "Hotkey"
46#define ACPI_HOTK_DEVICE_NAME "Hotkey"
47#define ACPI_HOTK_HID "Unknown?"
48#define ACPI_HOTKEY_COMPONENT 0x20000000
49
50#define ACPI_HOTKEY_EVENT 0x1
51#define ACPI_HOTKEY_POLLING 0x2
52#define ACPI_UNDEFINED_EVENT 0xf
53
54#define RESULT_STR_LEN 80
55
56#define ACTION_METHOD 0
57#define POLL_METHOD 1
58
59#define IS_EVENT(e) ((e) <= 10000 && (e) >0)
60#define IS_POLL(e) ((e) > 10000)
61#define IS_OTHERS(e) ((e)<=0 || (e)>=20000)
62#define _COMPONENT ACPI_HOTKEY_COMPONENT
63ACPI_MODULE_NAME("acpi_hotkey")
64
65 MODULE_AUTHOR("luming.yu@intel.com");
66MODULE_DESCRIPTION(ACPI_HOTK_NAME);
67MODULE_LICENSE("GPL");
68
69/* standardized internal hotkey number/event */
70enum {
71 /* Video Extension event */
72 HK_EVENT_CYCLE_OUTPUT_DEVICE = 0x80,
73 HK_EVENT_OUTPUT_DEVICE_STATUS_CHANGE,
74 HK_EVENT_CYCLE_DISPLAY_OUTPUT,
75 HK_EVENT_NEXT_DISPLAY_OUTPUT,
76 HK_EVENT_PREVIOUS_DISPLAY_OUTPUT,
77 HK_EVENT_CYCLE_BRIGHTNESS,
78 HK_EVENT_INCREASE_BRIGHTNESS,
79 HK_EVENT_DECREASE_BRIGHTNESS,
80 HK_EVENT_ZERO_BRIGHTNESS,
81 HK_EVENT_DISPLAY_DEVICE_OFF,
82
83 /* Snd Card event */
84 HK_EVENT_VOLUME_MUTE,
85 HK_EVENT_VOLUME_INCLREASE,
86 HK_EVENT_VOLUME_DECREASE,
87
88 /* running state control */
89 HK_EVENT_ENTERRING_S3,
90 HK_EVENT_ENTERRING_S4,
91 HK_EVENT_ENTERRING_S5,
92};
93
94enum conf_entry_enum {
95 bus_handle = 0,
96 bus_method = 1,
97 action_handle = 2,
98 method = 3,
99 LAST_CONF_ENTRY
100};
101
102/* procdir we use */
103static struct proc_dir_entry *hotkey_proc_dir;
104static struct proc_dir_entry *hotkey_config;
105static struct proc_dir_entry *hotkey_poll_config;
106static struct proc_dir_entry *hotkey_action;
107static struct proc_dir_entry *hotkey_info;
108
109/* linkage for all type of hotkey */
110struct acpi_hotkey_link {
111 struct list_head entries;
112 int hotkey_type; /* event or polling based hotkey */
113 int hotkey_standard_num; /* standardized hotkey(event) number */
114};
115
116/* event based hotkey */
117struct acpi_event_hotkey {
118 struct acpi_hotkey_link hotkey_link;
119 int flag;
120 acpi_handle bus_handle; /* bus to install notify handler */
121 int external_hotkey_num; /* external hotkey/event number */
122 acpi_handle action_handle; /* acpi handle attached aml action method */
123 char *action_method; /* action method */
124};
125
126/*
127 * There are two ways to poll status
128 * 1. directy call read_xxx method, without any arguments passed in
129 * 2. call write_xxx method, with arguments passed in, you need
130 * the result is saved in acpi_polling_hotkey.poll_result.
131 * anthoer read command through polling interface.
132 *
133 */
134
135/* polling based hotkey */
136struct acpi_polling_hotkey {
137 struct acpi_hotkey_link hotkey_link;
138 int flag;
139 acpi_handle poll_handle; /* acpi handle attached polling method */
140 char *poll_method; /* poll method */
141 acpi_handle action_handle; /* acpi handle attached action method */
142 char *action_method; /* action method */
143 union acpi_object *poll_result; /* polling_result */
144 struct proc_dir_entry *proc;
145};
146
147/* hotkey object union */
148union acpi_hotkey {
149 struct list_head entries;
150 struct acpi_hotkey_link link;
151 struct acpi_event_hotkey event_hotkey;
152 struct acpi_polling_hotkey poll_hotkey;
153};
154
155/* hotkey object list */
156struct acpi_hotkey_list {
157 struct list_head *entries;
158 int count;
159};
160
161static int auto_hotkey_add(struct acpi_device *device);
162static int auto_hotkey_remove(struct acpi_device *device, int type);
163
164static struct acpi_driver hotkey_driver = {
165 .name = ACPI_HOTK_NAME,
166 .class = ACPI_HOTK_CLASS,
167 .ids = ACPI_HOTK_HID,
168 .ops = {
169 .add = auto_hotkey_add,
170 .remove = auto_hotkey_remove,
171 },
172};
173
174static void free_hotkey_device(union acpi_hotkey *key);
175static void free_hotkey_buffer(union acpi_hotkey *key);
176static void free_poll_hotkey_buffer(union acpi_hotkey *key);
177static int hotkey_open_config(struct inode *inode, struct file *file);
178static int hotkey_poll_open_config(struct inode *inode, struct file *file);
179static ssize_t hotkey_write_config(struct file *file,
180 const char __user * buffer,
181 size_t count, loff_t * data);
182static int hotkey_info_open_fs(struct inode *inode, struct file *file);
183static int hotkey_action_open_fs(struct inode *inode, struct file *file);
184static ssize_t hotkey_execute_aml_method(struct file *file,
185 const char __user * buffer,
186 size_t count, loff_t * data);
187static int hotkey_config_seq_show(struct seq_file *seq, void *offset);
188static int hotkey_poll_config_seq_show(struct seq_file *seq, void *offset);
189static int hotkey_polling_open_fs(struct inode *inode, struct file *file);
190static union acpi_hotkey *get_hotkey_by_event(struct
191 acpi_hotkey_list
192 *hotkey_list, int event);
193
194/* event based config */
195static const struct file_operations hotkey_config_fops = {
196 .open = hotkey_open_config,
197 .read = seq_read,
198 .write = hotkey_write_config,
199 .llseek = seq_lseek,
200 .release = single_release,
201};
202
203/* polling based config */
204static const struct file_operations hotkey_poll_config_fops = {
205 .open = hotkey_poll_open_config,
206 .read = seq_read,
207 .write = hotkey_write_config,
208 .llseek = seq_lseek,
209 .release = single_release,
210};
211
212/* hotkey driver info */
213static const struct file_operations hotkey_info_fops = {
214 .open = hotkey_info_open_fs,
215 .read = seq_read,
216 .llseek = seq_lseek,
217 .release = single_release,
218};
219
220/* action */
221static const struct file_operations hotkey_action_fops = {
222 .open = hotkey_action_open_fs,
223 .read = seq_read,
224 .write = hotkey_execute_aml_method,
225 .llseek = seq_lseek,
226 .release = single_release,
227};
228
229/* polling results */
230static const struct file_operations hotkey_polling_fops = {
231 .open = hotkey_polling_open_fs,
232 .read = seq_read,
233 .llseek = seq_lseek,
234 .release = single_release,
235};
236
237struct acpi_hotkey_list global_hotkey_list; /* link all ev or pl hotkey */
238struct list_head hotkey_entries; /* head of the list of hotkey_list */
239
240static int hotkey_info_seq_show(struct seq_file *seq, void *offset)
241{
242
243 seq_printf(seq, "Hotkey generic driver ver: %s\n", HOTKEY_ACPI_VERSION);
244
245 return 0;
246}
247
248static int hotkey_info_open_fs(struct inode *inode, struct file *file)
249{
250 return single_open(file, hotkey_info_seq_show, PDE(inode)->data);
251}
252
253static char *format_result(union acpi_object *object)
254{
255 char *buf;
256
257 buf = kzalloc(RESULT_STR_LEN, GFP_KERNEL);
258 if (!buf)
259 return NULL;
260 /* Now, just support integer type */
261 if (object->type == ACPI_TYPE_INTEGER)
262 sprintf(buf, "%d\n", (u32) object->integer.value);
263 return buf;
264}
265
266static int hotkey_polling_seq_show(struct seq_file *seq, void *offset)
267{
268 struct acpi_polling_hotkey *poll_hotkey = seq->private;
269 char *buf;
270
271
272 if (poll_hotkey->poll_result) {
273 buf = format_result(poll_hotkey->poll_result);
274 if (buf)
275 seq_printf(seq, "%s", buf);
276 kfree(buf);
277 }
278 return 0;
279}
280
281static int hotkey_polling_open_fs(struct inode *inode, struct file *file)
282{
283 return single_open(file, hotkey_polling_seq_show, PDE(inode)->data);
284}
285
286static int hotkey_action_open_fs(struct inode *inode, struct file *file)
287{
288 return single_open(file, hotkey_info_seq_show, PDE(inode)->data);
289}
290
291/* Mapping external hotkey number to standardized hotkey event num */
292static int hotkey_get_internal_event(int event, struct acpi_hotkey_list *list)
293{
294 struct list_head *entries;
295 int val = -1;
296
297
298 list_for_each(entries, list->entries) {
299 union acpi_hotkey *key =
300 container_of(entries, union acpi_hotkey, entries);
301 if (key->link.hotkey_type == ACPI_HOTKEY_EVENT
302 && key->event_hotkey.external_hotkey_num == event) {
303 val = key->link.hotkey_standard_num;
304 break;
305 }
306 }
307
308 return val;
309}
310
311static void
312acpi_hotkey_notify_handler(acpi_handle handle, u32 event, void *data)
313{
314 struct acpi_device *device = NULL;
315 u32 internal_event;
316
317
318 if (acpi_bus_get_device(handle, &device))
319 return;
320
321 internal_event = hotkey_get_internal_event(event, &global_hotkey_list);
322 acpi_bus_generate_event(device, internal_event, 0);
323
324 return;
325}
326
327/* Need to invent automatically hotkey add method */
328static int auto_hotkey_add(struct acpi_device *device)
329{
330 /* Implement me */
331 return 0;
332}
333
334/* Need to invent automatically hotkey remove method */
335static int auto_hotkey_remove(struct acpi_device *device, int type)
336{
337 /* Implement me */
338 return 0;
339}
340
341/* Create a proc file for each polling method */
342static int create_polling_proc(union acpi_hotkey *device)
343{
344 struct proc_dir_entry *proc;
345 char proc_name[80];
346 mode_t mode;
347
348 mode = S_IFREG | S_IRUGO | S_IWUGO;
349
350 sprintf(proc_name, "%d", device->link.hotkey_standard_num);
351 /*
352 strcat(proc_name, device->poll_hotkey.poll_method);
353 */
354 proc = create_proc_entry(proc_name, mode, hotkey_proc_dir);
355
356 if (!proc) {
357 return -ENODEV;
358 } else {
359 proc->proc_fops = &hotkey_polling_fops;
360 proc->owner = THIS_MODULE;
361 proc->data = device;
362 proc->uid = 0;
363 proc->gid = 0;
364 device->poll_hotkey.proc = proc;
365 }
366 return 0;
367}
368
369static int hotkey_add(union acpi_hotkey *device)
370{
371 int status = 0;
372 struct acpi_device *dev = NULL;
373
374
375 if (device->link.hotkey_type == ACPI_HOTKEY_EVENT) {
376 acpi_bus_get_device(device->event_hotkey.bus_handle, &dev);
377 status = acpi_install_notify_handler(dev->handle,
378 ACPI_DEVICE_NOTIFY,
379 acpi_hotkey_notify_handler,
380 dev);
381 } else /* Add polling hotkey */
382 create_polling_proc(device);
383
384 global_hotkey_list.count++;
385
386 list_add_tail(&device->link.entries, global_hotkey_list.entries);
387
388 return status;
389}
390
391static int hotkey_remove(union acpi_hotkey *device)
392{
393 struct list_head *entries, *next;
394
395
396 list_for_each_safe(entries, next, global_hotkey_list.entries) {
397 union acpi_hotkey *key =
398 container_of(entries, union acpi_hotkey, entries);
399 if (key->link.hotkey_standard_num ==
400 device->link.hotkey_standard_num) {
401 list_del(&key->link.entries);
402 free_hotkey_device(key);
403 global_hotkey_list.count--;
404 break;
405 }
406 }
407 kfree(device);
408 return 0;
409}
410
411static int hotkey_update(union acpi_hotkey *key)
412{
413 struct list_head *entries;
414
415
416 list_for_each(entries, global_hotkey_list.entries) {
417 union acpi_hotkey *tmp =
418 container_of(entries, union acpi_hotkey, entries);
419 if (tmp->link.hotkey_standard_num ==
420 key->link.hotkey_standard_num) {
421 if (key->link.hotkey_type == ACPI_HOTKEY_EVENT) {
422 free_hotkey_buffer(tmp);
423 tmp->event_hotkey.bus_handle =
424 key->event_hotkey.bus_handle;
425 tmp->event_hotkey.external_hotkey_num =
426 key->event_hotkey.external_hotkey_num;
427 tmp->event_hotkey.action_handle =
428 key->event_hotkey.action_handle;
429 tmp->event_hotkey.action_method =
430 key->event_hotkey.action_method;
431 kfree(key);
432 } else {
433 /*
434 char proc_name[80];
435
436 sprintf(proc_name, "%d", tmp->link.hotkey_standard_num);
437 strcat(proc_name, tmp->poll_hotkey.poll_method);
438 remove_proc_entry(proc_name,hotkey_proc_dir);
439 */
440 free_poll_hotkey_buffer(tmp);
441 tmp->poll_hotkey.poll_handle =
442 key->poll_hotkey.poll_handle;
443 tmp->poll_hotkey.poll_method =
444 key->poll_hotkey.poll_method;
445 tmp->poll_hotkey.action_handle =
446 key->poll_hotkey.action_handle;
447 tmp->poll_hotkey.action_method =
448 key->poll_hotkey.action_method;
449 tmp->poll_hotkey.poll_result =
450 key->poll_hotkey.poll_result;
451 /*
452 create_polling_proc(tmp);
453 */
454 kfree(key);
455 }
456 return 0;
457 break;
458 }
459 }
460
461 return -ENODEV;
462}
463
464static void free_hotkey_device(union acpi_hotkey *key)
465{
466 struct acpi_device *dev;
467
468
469 if (key->link.hotkey_type == ACPI_HOTKEY_EVENT) {
470 acpi_bus_get_device(key->event_hotkey.bus_handle, &dev);
471 if (dev->handle)
472 acpi_remove_notify_handler(dev->handle,
473 ACPI_DEVICE_NOTIFY,
474 acpi_hotkey_notify_handler);
475 free_hotkey_buffer(key);
476 } else {
477 char proc_name[80];
478
479 sprintf(proc_name, "%d", key->link.hotkey_standard_num);
480 /*
481 strcat(proc_name, key->poll_hotkey.poll_method);
482 */
483 remove_proc_entry(proc_name, hotkey_proc_dir);
484 free_poll_hotkey_buffer(key);
485 }
486 kfree(key);
487 return;
488}
489
490static void free_hotkey_buffer(union acpi_hotkey *key)
491{
492 /* key would never be null, action method could be */
493 kfree(key->event_hotkey.action_method);
494}
495
496static void free_poll_hotkey_buffer(union acpi_hotkey *key)
497{
498 /* key would never be null, others could be*/
499 kfree(key->poll_hotkey.action_method);
500 kfree(key->poll_hotkey.poll_method);
501 kfree(key->poll_hotkey.poll_result);
502}
503static int
504init_hotkey_device(union acpi_hotkey *key, char **config_entry,
505 int std_num, int external_num)
506{
507 acpi_handle tmp_handle;
508 acpi_status status = AE_OK;
509
510 if (std_num < 0 || IS_POLL(std_num) || !key)
511 goto do_fail;
512
513 if (!config_entry[bus_handle] || !config_entry[action_handle]
514 || !config_entry[method])
515 goto do_fail;
516
517 key->link.hotkey_type = ACPI_HOTKEY_EVENT;
518 key->link.hotkey_standard_num = std_num;
519 key->event_hotkey.flag = 0;
520 key->event_hotkey.action_method = config_entry[method];
521
522 status = acpi_get_handle(NULL, config_entry[bus_handle],
523 &(key->event_hotkey.bus_handle));
524 if (ACPI_FAILURE(status))
525 goto do_fail_zero;
526 key->event_hotkey.external_hotkey_num = external_num;
527 status = acpi_get_handle(NULL, config_entry[action_handle],
528 &(key->event_hotkey.action_handle));
529 if (ACPI_FAILURE(status))
530 goto do_fail_zero;
531 status = acpi_get_handle(key->event_hotkey.action_handle,
532 config_entry[method], &tmp_handle);
533 if (ACPI_FAILURE(status))
534 goto do_fail_zero;
535 return AE_OK;
536do_fail_zero:
537 key->event_hotkey.action_method = NULL;
538do_fail:
539 return -ENODEV;
540}
541
542static int
543init_poll_hotkey_device(union acpi_hotkey *key, char **config_entry,
544 int std_num)
545{
546 acpi_status status = AE_OK;
547 acpi_handle tmp_handle;
548
549 if (std_num < 0 || IS_EVENT(std_num) || !key)
550 goto do_fail;
551 if (!config_entry[bus_handle] ||!config_entry[bus_method] ||
552 !config_entry[action_handle] || !config_entry[method])
553 goto do_fail;
554
555 key->link.hotkey_type = ACPI_HOTKEY_POLLING;
556 key->link.hotkey_standard_num = std_num;
557 key->poll_hotkey.flag = 0;
558 key->poll_hotkey.poll_method = config_entry[bus_method];
559 key->poll_hotkey.action_method = config_entry[method];
560
561 status = acpi_get_handle(NULL, config_entry[bus_handle],
562 &(key->poll_hotkey.poll_handle));
563 if (ACPI_FAILURE(status))
564 goto do_fail_zero;
565 status = acpi_get_handle(key->poll_hotkey.poll_handle,
566 config_entry[bus_method], &tmp_handle);
567 if (ACPI_FAILURE(status))
568 goto do_fail_zero;
569 status =
570 acpi_get_handle(NULL, config_entry[action_handle],
571 &(key->poll_hotkey.action_handle));
572 if (ACPI_FAILURE(status))
573 goto do_fail_zero;
574 status = acpi_get_handle(key->poll_hotkey.action_handle,
575 config_entry[method], &tmp_handle);
576 if (ACPI_FAILURE(status))
577 goto do_fail_zero;
578 key->poll_hotkey.poll_result =
579 kmalloc(sizeof(union acpi_object), GFP_KERNEL);
580 if (!key->poll_hotkey.poll_result)
581 goto do_fail_zero;
582 return AE_OK;
583
584do_fail_zero:
585 key->poll_hotkey.poll_method = NULL;
586 key->poll_hotkey.action_method = NULL;
587do_fail:
588 return -ENODEV;
589}
590
591static int hotkey_open_config(struct inode *inode, struct file *file)
592{
593 return (single_open
594 (file, hotkey_config_seq_show, PDE(inode)->data));
595}
596
597static int hotkey_poll_open_config(struct inode *inode, struct file *file)
598{
599 return (single_open
600 (file, hotkey_poll_config_seq_show, PDE(inode)->data));
601}
602
603static int hotkey_config_seq_show(struct seq_file *seq, void *offset)
604{
605 struct acpi_hotkey_list *hotkey_list = &global_hotkey_list;
606 struct list_head *entries;
607 char bus_name[ACPI_PATHNAME_MAX] = { 0 };
608 char action_name[ACPI_PATHNAME_MAX] = { 0 };
609 struct acpi_buffer bus = { ACPI_PATHNAME_MAX, bus_name };
610 struct acpi_buffer act = { ACPI_PATHNAME_MAX, action_name };
611
612
613 list_for_each(entries, hotkey_list->entries) {
614 union acpi_hotkey *key =
615 container_of(entries, union acpi_hotkey, entries);
616 if (key->link.hotkey_type == ACPI_HOTKEY_EVENT) {
617 acpi_get_name(key->event_hotkey.bus_handle,
618 ACPI_NAME_TYPE_MAX, &bus);
619 acpi_get_name(key->event_hotkey.action_handle,
620 ACPI_NAME_TYPE_MAX, &act);
621 seq_printf(seq, "%s:%s:%s:%d:%d\n", bus_name,
622 action_name,
623 key->event_hotkey.action_method,
624 key->link.hotkey_standard_num,
625 key->event_hotkey.external_hotkey_num);
626 }
627 }
628 seq_puts(seq, "\n");
629 return 0;
630}
631
632static int hotkey_poll_config_seq_show(struct seq_file *seq, void *offset)
633{
634 struct acpi_hotkey_list *hotkey_list = &global_hotkey_list;
635 struct list_head *entries;
636 char bus_name[ACPI_PATHNAME_MAX] = { 0 };
637 char action_name[ACPI_PATHNAME_MAX] = { 0 };
638 struct acpi_buffer bus = { ACPI_PATHNAME_MAX, bus_name };
639 struct acpi_buffer act = { ACPI_PATHNAME_MAX, action_name };
640
641
642 list_for_each(entries, hotkey_list->entries) {
643 union acpi_hotkey *key =
644 container_of(entries, union acpi_hotkey, entries);
645 if (key->link.hotkey_type == ACPI_HOTKEY_POLLING) {
646 acpi_get_name(key->poll_hotkey.poll_handle,
647 ACPI_NAME_TYPE_MAX, &bus);
648 acpi_get_name(key->poll_hotkey.action_handle,
649 ACPI_NAME_TYPE_MAX, &act);
650 seq_printf(seq, "%s:%s:%s:%s:%d\n", bus_name,
651 key->poll_hotkey.poll_method,
652 action_name,
653 key->poll_hotkey.action_method,
654 key->link.hotkey_standard_num);
655 }
656 }
657 seq_puts(seq, "\n");
658 return 0;
659}
660
661static int
662get_parms(char *config_record, int *cmd, char **config_entry,
663 int *internal_event_num, int *external_event_num)
664{
665/* the format of *config_record =
666 * "1:\d+:*" : "cmd:internal_event_num"
667 * "\d+:\w+:\w+:\w+:\w+:\d+:\d+" :
668 * "cmd:bus_handle:bus_method:action_handle:method:internal_event_num:external_event_num"
669 */
670 char *tmp, *tmp1, count;
671 int i;
672
673 sscanf(config_record, "%d", cmd);
674 if (*cmd == 1) {
675 if (sscanf(config_record, "%d:%d", cmd, internal_event_num) !=
676 2)
677 goto do_fail;
678 else
679 return (6);
680 }
681 tmp = strchr(config_record, ':');
682 if (!tmp)
683 goto do_fail;
684 tmp++;
685 for (i = 0; i < LAST_CONF_ENTRY; i++) {
686 tmp1 = strchr(tmp, ':');
687 if (!tmp1) {
688 goto do_fail;
689 }
690 count = tmp1 - tmp;
691 config_entry[i] = kzalloc(count + 1, GFP_KERNEL);
692 if (!config_entry[i])
693 goto handle_failure;
694 strncpy(config_entry[i], tmp, count);
695 tmp = tmp1 + 1;
696 }
697 if (sscanf(tmp, "%d:%d", internal_event_num, external_event_num) <= 0)
698 goto handle_failure;
699 if (!IS_OTHERS(*internal_event_num)) {
700 return 6;
701 }
702handle_failure:
703 while (i-- > 0)
704 kfree(config_entry[i]);
705do_fail:
706 return -1;
707}
708
709/* count is length for one input record */
710static ssize_t hotkey_write_config(struct file *file,
711 const char __user * buffer,
712 size_t count, loff_t * data)
713{
714 char *config_record = NULL;
715 char *config_entry[LAST_CONF_ENTRY];
716 int cmd, internal_event_num, external_event_num;
717 int ret = 0;
718 union acpi_hotkey *key = kzalloc(sizeof(union acpi_hotkey), GFP_KERNEL);
719
720 if (!key)
721 return -ENOMEM;
722
723 config_record = kzalloc(count + 1, GFP_KERNEL);
724 if (!config_record) {
725 kfree(key);
726 return -ENOMEM;
727 }
728
729 if (copy_from_user(config_record, buffer, count)) {
730 kfree(config_record);
731 kfree(key);
732 printk(KERN_ERR PREFIX "Invalid data\n");
733 return -EINVAL;
734 }
735 ret = get_parms(config_record, &cmd, config_entry,
736 &internal_event_num, &external_event_num);
737 kfree(config_record);
738 if (ret != 6) {
739 printk(KERN_ERR PREFIX "Invalid data format ret=%d\n", ret);
740 return -EINVAL;
741 }
742
743 if (cmd == 1) {
744 union acpi_hotkey *tmp = NULL;
745 tmp = get_hotkey_by_event(&global_hotkey_list,
746 internal_event_num);
747 if (!tmp)
748 printk(KERN_ERR PREFIX "Invalid key\n");
749 else
750 memcpy(key, tmp, sizeof(union acpi_hotkey));
751 goto cont_cmd;
752 }
753 if (IS_EVENT(internal_event_num)) {
754 if (init_hotkey_device(key, config_entry,
755 internal_event_num, external_event_num))
756 goto init_hotkey_fail;
757 } else {
758 if (init_poll_hotkey_device(key, config_entry,
759 internal_event_num))
760 goto init_poll_hotkey_fail;
761 }
762cont_cmd:
763 switch (cmd) {
764 case 0:
765 if (get_hotkey_by_event(&global_hotkey_list,
766 key->link.hotkey_standard_num))
767 goto fail_out;
768 else
769 hotkey_add(key);
770 break;
771 case 1:
772 hotkey_remove(key);
773 break;
774 case 2:
775 /* key is kfree()ed if matched*/
776 if (hotkey_update(key))
777 goto fail_out;
778 break;
779 default:
780 goto fail_out;
781 break;
782 }
783 return count;
784
785init_poll_hotkey_fail: /* failed init_poll_hotkey_device */
786 kfree(config_entry[bus_method]);
787 config_entry[bus_method] = NULL;
788init_hotkey_fail: /* failed init_hotkey_device */
789 kfree(config_entry[method]);
790fail_out:
791 kfree(config_entry[bus_handle]);
792 kfree(config_entry[action_handle]);
793 /* No double free since elements =NULL for error cases */
794 if (IS_EVENT(internal_event_num)) {
795 if (config_entry[bus_method])
796 kfree(config_entry[bus_method]);
797 free_hotkey_buffer(key); /* frees [method] */
798 } else
799 free_poll_hotkey_buffer(key); /* frees [bus_method]+[method] */
800 kfree(key);
801 printk(KERN_ERR PREFIX "invalid key\n");
802 return -EINVAL;
803}
804
805/*
806 * This function evaluates an ACPI method, given an int as parameter, the
807 * method is searched within the scope of the handle, can be NULL. The output
808 * of the method is written is output, which can also be NULL
809 *
810 * returns 1 if write is successful, 0 else.
811 */
812static int write_acpi_int(acpi_handle handle, const char *method, int val,
813 struct acpi_buffer *output)
814{
815 struct acpi_object_list params; /* list of input parameters (an int here) */
816 union acpi_object in_obj; /* the only param we use */
817 acpi_status status;
818
819 params.count = 1;
820 params.pointer = &in_obj;
821 in_obj.type = ACPI_TYPE_INTEGER;
822 in_obj.integer.value = val;
823
824 status = acpi_evaluate_object(handle, (char *)method, &params, output);
825
826 return (status == AE_OK);
827}
828
829static int read_acpi_int(acpi_handle handle, const char *method,
830 union acpi_object *val)
831{
832 struct acpi_buffer output;
833 union acpi_object out_obj;
834 acpi_status status;
835
836 output.length = sizeof(out_obj);
837 output.pointer = &out_obj;
838
839 status = acpi_evaluate_object(handle, (char *)method, NULL, &output);
840 if (val) {
841 val->integer.value = out_obj.integer.value;
842 val->type = out_obj.type;
843 } else
844 printk(KERN_ERR PREFIX "null val pointer\n");
845 return ((status == AE_OK)
846 && (out_obj.type == ACPI_TYPE_INTEGER));
847}
848
849static union acpi_hotkey *get_hotkey_by_event(struct
850 acpi_hotkey_list
851 *hotkey_list, int event)
852{
853 struct list_head *entries;
854
855 list_for_each(entries, hotkey_list->entries) {
856 union acpi_hotkey *key =
857 container_of(entries, union acpi_hotkey, entries);
858 if (key->link.hotkey_standard_num == event) {
859 return (key);
860 }
861 }
862 return (NULL);
863}
864
865/*
866 * user call AML method interface:
867 * Call convention:
868 * echo "event_num: arg type : value"
869 * example: echo "1:1:30" > /proc/acpi/action
870 * Just support 1 integer arg passing to AML method
871 */
872
873static ssize_t hotkey_execute_aml_method(struct file *file,
874 const char __user * buffer,
875 size_t count, loff_t * data)
876{
877 struct acpi_hotkey_list *hotkey_list = &global_hotkey_list;
878 char *arg;
879 int event, method_type, type, value;
880 union acpi_hotkey *key;
881
882
883 arg = kzalloc(count + 1, GFP_KERNEL);
884 if (!arg)
885 return -ENOMEM;
886
887 if (copy_from_user(arg, buffer, count)) {
888 kfree(arg);
889 printk(KERN_ERR PREFIX "Invalid argument 2\n");
890 return -EINVAL;
891 }
892
893 if (sscanf(arg, "%d:%d:%d:%d", &event, &method_type, &type, &value) !=
894 4) {
895 kfree(arg);
896 printk(KERN_ERR PREFIX "Invalid argument 3\n");
897 return -EINVAL;
898 }
899 kfree(arg);
900 if (type == ACPI_TYPE_INTEGER) {
901 key = get_hotkey_by_event(hotkey_list, event);
902 if (!key)
903 goto do_fail;
904 if (IS_EVENT(event))
905 write_acpi_int(key->event_hotkey.action_handle,
906 key->event_hotkey.action_method, value,
907 NULL);
908 else if (IS_POLL(event)) {
909 if (method_type == POLL_METHOD)
910 read_acpi_int(key->poll_hotkey.poll_handle,
911 key->poll_hotkey.poll_method,
912 key->poll_hotkey.poll_result);
913 else if (method_type == ACTION_METHOD)
914 write_acpi_int(key->poll_hotkey.action_handle,
915 key->poll_hotkey.action_method,
916 value, NULL);
917 else
918 goto do_fail;
919
920 }
921 } else {
922 printk(KERN_WARNING "Not supported\n");
923 return -EINVAL;
924 }
925 return count;
926 do_fail:
927 return -EINVAL;
928
929}
930
931static int __init hotkey_init(void)
932{
933 int result;
934 mode_t mode = S_IFREG | S_IRUGO | S_IWUGO;
935
936
937 if (acpi_disabled)
938 return -ENODEV;
939
940 if (acpi_specific_hotkey_enabled) {
941 printk("Using specific hotkey driver\n");
942 return -ENODEV;
943 }
944
945 hotkey_proc_dir = proc_mkdir(HOTKEY_PROC, acpi_root_dir);
946 if (!hotkey_proc_dir) {
947 return (-ENODEV);
948 }
949 hotkey_proc_dir->owner = THIS_MODULE;
950
951 hotkey_config =
952 create_proc_entry(HOTKEY_EV_CONFIG, mode, hotkey_proc_dir);
953 if (!hotkey_config) {
954 goto do_fail1;
955 } else {
956 hotkey_config->proc_fops = &hotkey_config_fops;
957 hotkey_config->data = &global_hotkey_list;
958 hotkey_config->owner = THIS_MODULE;
959 hotkey_config->uid = 0;
960 hotkey_config->gid = 0;
961 }
962
963 hotkey_poll_config =
964 create_proc_entry(HOTKEY_PL_CONFIG, mode, hotkey_proc_dir);
965 if (!hotkey_poll_config) {
966 goto do_fail2;
967 } else {
968 hotkey_poll_config->proc_fops = &hotkey_poll_config_fops;
969 hotkey_poll_config->data = &global_hotkey_list;
970 hotkey_poll_config->owner = THIS_MODULE;
971 hotkey_poll_config->uid = 0;
972 hotkey_poll_config->gid = 0;
973 }
974
975 hotkey_action = create_proc_entry(HOTKEY_ACTION, mode, hotkey_proc_dir);
976 if (!hotkey_action) {
977 goto do_fail3;
978 } else {
979 hotkey_action->proc_fops = &hotkey_action_fops;
980 hotkey_action->owner = THIS_MODULE;
981 hotkey_action->uid = 0;
982 hotkey_action->gid = 0;
983 }
984
985 hotkey_info = create_proc_entry(HOTKEY_INFO, mode, hotkey_proc_dir);
986 if (!hotkey_info) {
987 goto do_fail4;
988 } else {
989 hotkey_info->proc_fops = &hotkey_info_fops;
990 hotkey_info->owner = THIS_MODULE;
991 hotkey_info->uid = 0;
992 hotkey_info->gid = 0;
993 }
994
995 result = acpi_bus_register_driver(&hotkey_driver);
996 if (result < 0)
997 goto do_fail5;
998 global_hotkey_list.count = 0;
999 global_hotkey_list.entries = &hotkey_entries;
1000
1001 INIT_LIST_HEAD(&hotkey_entries);
1002
1003 return (0);
1004
1005 do_fail5:
1006 remove_proc_entry(HOTKEY_INFO, hotkey_proc_dir);
1007 do_fail4:
1008 remove_proc_entry(HOTKEY_ACTION, hotkey_proc_dir);
1009 do_fail3:
1010 remove_proc_entry(HOTKEY_PL_CONFIG, hotkey_proc_dir);
1011 do_fail2:
1012 remove_proc_entry(HOTKEY_EV_CONFIG, hotkey_proc_dir);
1013 do_fail1:
1014 remove_proc_entry(HOTKEY_PROC, acpi_root_dir);
1015 return (-ENODEV);
1016}
1017
1018static void __exit hotkey_exit(void)
1019{
1020 struct list_head *entries, *next;
1021
1022
1023 list_for_each_safe(entries, next, global_hotkey_list.entries) {
1024 union acpi_hotkey *key =
1025 container_of(entries, union acpi_hotkey, entries);
1026
1027 acpi_os_wait_events_complete(NULL);
1028 list_del(&key->link.entries);
1029 global_hotkey_list.count--;
1030 free_hotkey_device(key);
1031 }
1032 acpi_bus_unregister_driver(&hotkey_driver);
1033 remove_proc_entry(HOTKEY_EV_CONFIG, hotkey_proc_dir);
1034 remove_proc_entry(HOTKEY_PL_CONFIG, hotkey_proc_dir);
1035 remove_proc_entry(HOTKEY_ACTION, hotkey_proc_dir);
1036 remove_proc_entry(HOTKEY_INFO, hotkey_proc_dir);
1037 remove_proc_entry(HOTKEY_PROC, acpi_root_dir);
1038 return;
1039}
1040
1041module_init(hotkey_init);
1042module_exit(hotkey_exit);
diff --git a/drivers/acpi/i2c_ec.c b/drivers/acpi/i2c_ec.c
index 8338be0990bc..acab4a481897 100644
--- a/drivers/acpi/i2c_ec.c
+++ b/drivers/acpi/i2c_ec.c
@@ -14,7 +14,6 @@
14#include <linux/slab.h> 14#include <linux/slab.h>
15#include <linux/kernel.h> 15#include <linux/kernel.h>
16#include <linux/stddef.h> 16#include <linux/stddef.h>
17#include <linux/sched.h>
18#include <linux/init.h> 17#include <linux/init.h>
19#include <linux/i2c.h> 18#include <linux/i2c.h>
20#include <linux/acpi.h> 19#include <linux/acpi.h>
@@ -28,18 +27,17 @@
28#define ACPI_EC_HC_COMPONENT 0x00080000 27#define ACPI_EC_HC_COMPONENT 0x00080000
29#define ACPI_EC_HC_CLASS "ec_hc_smbus" 28#define ACPI_EC_HC_CLASS "ec_hc_smbus"
30#define ACPI_EC_HC_HID "ACPI0001" 29#define ACPI_EC_HC_HID "ACPI0001"
31#define ACPI_EC_HC_DRIVER_NAME "ACPI EC HC smbus driver"
32#define ACPI_EC_HC_DEVICE_NAME "EC HC smbus" 30#define ACPI_EC_HC_DEVICE_NAME "EC HC smbus"
33 31
34#define _COMPONENT ACPI_EC_HC_COMPONENT 32#define _COMPONENT ACPI_EC_HC_COMPONENT
35 33
36ACPI_MODULE_NAME("acpi_smbus") 34ACPI_MODULE_NAME("i2c_ec");
37 35
38static int acpi_ec_hc_add(struct acpi_device *device); 36static int acpi_ec_hc_add(struct acpi_device *device);
39static int acpi_ec_hc_remove(struct acpi_device *device, int type); 37static int acpi_ec_hc_remove(struct acpi_device *device, int type);
40 38
41static struct acpi_driver acpi_ec_hc_driver = { 39static struct acpi_driver acpi_ec_hc_driver = {
42 .name = ACPI_EC_HC_DRIVER_NAME, 40 .name = "i2c_ec",
43 .class = ACPI_EC_HC_CLASS, 41 .class = ACPI_EC_HC_CLASS,
44 .ids = ACPI_EC_HC_HID, 42 .ids = ACPI_EC_HC_HID,
45 .ops = { 43 .ops = {
@@ -340,6 +338,7 @@ static int acpi_ec_hc_add(struct acpi_device *device)
340 smbus->adapter.owner = THIS_MODULE; 338 smbus->adapter.owner = THIS_MODULE;
341 smbus->adapter.algo = &acpi_ec_smbus_algorithm; 339 smbus->adapter.algo = &acpi_ec_smbus_algorithm;
342 smbus->adapter.algo_data = smbus; 340 smbus->adapter.algo_data = smbus;
341 smbus->adapter.dev.parent = &device->dev;
343 342
344 if (i2c_add_adapter(&smbus->adapter)) { 343 if (i2c_add_adapter(&smbus->adapter)) {
345 ACPI_DEBUG_PRINT((ACPI_DB_WARN, 344 ACPI_DEBUG_PRINT((ACPI_DB_WARN,
diff --git a/drivers/acpi/ibm_acpi.c b/drivers/acpi/ibm_acpi.c
index c6144ca66638..1a0ed3dc409c 100644
--- a/drivers/acpi/ibm_acpi.c
+++ b/drivers/acpi/ibm_acpi.c
@@ -496,6 +496,10 @@ static int ibm_acpi_driver_init(void)
496 printk(IBM_INFO "%s v%s\n", IBM_DESC, IBM_VERSION); 496 printk(IBM_INFO "%s v%s\n", IBM_DESC, IBM_VERSION);
497 printk(IBM_INFO "%s\n", IBM_URL); 497 printk(IBM_INFO "%s\n", IBM_URL);
498 498
499 if (ibm_thinkpad_ec_found)
500 printk(IBM_INFO "ThinkPad EC firmware %s\n",
501 ibm_thinkpad_ec_found);
502
499 return 0; 503 return 0;
500} 504}
501 505
@@ -2617,7 +2621,7 @@ static void __init ibm_handle_init(char *name,
2617 ibm_handle_init(#object, &object##_handle, *object##_parent, \ 2621 ibm_handle_init(#object, &object##_handle, *object##_parent, \
2618 object##_paths, ARRAY_SIZE(object##_paths), &object##_path) 2622 object##_paths, ARRAY_SIZE(object##_paths), &object##_path)
2619 2623
2620static int set_ibm_param(const char *val, struct kernel_param *kp) 2624static int __init set_ibm_param(const char *val, struct kernel_param *kp)
2621{ 2625{
2622 unsigned int i; 2626 unsigned int i;
2623 2627
@@ -2659,7 +2663,8 @@ static void acpi_ibm_exit(void)
2659 for (i = ARRAY_SIZE(ibms) - 1; i >= 0; i--) 2663 for (i = ARRAY_SIZE(ibms) - 1; i >= 0; i--)
2660 ibm_exit(&ibms[i]); 2664 ibm_exit(&ibms[i]);
2661 2665
2662 remove_proc_entry(IBM_DIR, acpi_root_dir); 2666 if (proc_dir)
2667 remove_proc_entry(IBM_DIR, acpi_root_dir);
2663 2668
2664 if (ibm_thinkpad_ec_found) 2669 if (ibm_thinkpad_ec_found)
2665 kfree(ibm_thinkpad_ec_found); 2670 kfree(ibm_thinkpad_ec_found);
@@ -2696,11 +2701,6 @@ static int __init acpi_ibm_init(void)
2696 if (acpi_disabled) 2701 if (acpi_disabled)
2697 return -ENODEV; 2702 return -ENODEV;
2698 2703
2699 if (!acpi_specific_hotkey_enabled) {
2700 printk(IBM_ERR "using generic hotkey driver\n");
2701 return -ENODEV;
2702 }
2703
2704 /* ec is required because many other handles are relative to it */ 2704 /* ec is required because many other handles are relative to it */
2705 IBM_HANDLE_INIT(ec); 2705 IBM_HANDLE_INIT(ec);
2706 if (!ec_handle) { 2706 if (!ec_handle) {
@@ -2710,9 +2710,6 @@ static int __init acpi_ibm_init(void)
2710 2710
2711 /* Models with newer firmware report the EC in DMI */ 2711 /* Models with newer firmware report the EC in DMI */
2712 ibm_thinkpad_ec_found = check_dmi_for_ec(); 2712 ibm_thinkpad_ec_found = check_dmi_for_ec();
2713 if (ibm_thinkpad_ec_found)
2714 printk(IBM_INFO "ThinkPad EC firmware %s\n",
2715 ibm_thinkpad_ec_found);
2716 2713
2717 /* these handles are not required */ 2714 /* these handles are not required */
2718 IBM_HANDLE_INIT(vid); 2715 IBM_HANDLE_INIT(vid);
@@ -2742,6 +2739,7 @@ static int __init acpi_ibm_init(void)
2742 proc_dir = proc_mkdir(IBM_DIR, acpi_root_dir); 2739 proc_dir = proc_mkdir(IBM_DIR, acpi_root_dir);
2743 if (!proc_dir) { 2740 if (!proc_dir) {
2744 printk(IBM_ERR "unable to create proc dir %s", IBM_DIR); 2741 printk(IBM_ERR "unable to create proc dir %s", IBM_DIR);
2742 acpi_ibm_exit();
2745 return -ENODEV; 2743 return -ENODEV;
2746 } 2744 }
2747 proc_dir->owner = THIS_MODULE; 2745 proc_dir->owner = THIS_MODULE;
diff --git a/drivers/acpi/namespace/nsinit.c b/drivers/acpi/namespace/nsinit.c
index 326af8fc0ce7..33db2241044e 100644
--- a/drivers/acpi/namespace/nsinit.c
+++ b/drivers/acpi/namespace/nsinit.c
@@ -45,6 +45,7 @@
45#include <acpi/acnamesp.h> 45#include <acpi/acnamesp.h>
46#include <acpi/acdispat.h> 46#include <acpi/acdispat.h>
47#include <acpi/acinterp.h> 47#include <acpi/acinterp.h>
48#include <linux/nmi.h>
48 49
49#define _COMPONENT ACPI_NAMESPACE 50#define _COMPONENT ACPI_NAMESPACE
50ACPI_MODULE_NAME("nsinit") 51ACPI_MODULE_NAME("nsinit")
@@ -534,7 +535,15 @@ acpi_ns_init_one_device(acpi_handle obj_handle,
534 info->parameter_type = ACPI_PARAM_ARGS; 535 info->parameter_type = ACPI_PARAM_ARGS;
535 info->flags = ACPI_IGNORE_RETURN_VALUE; 536 info->flags = ACPI_IGNORE_RETURN_VALUE;
536 537
538 /*
539 * Some hardware relies on this being executed as atomically
540 * as possible (without an NMI being received in the middle of
541 * this) - so disable NMIs and initialize the device:
542 */
543 acpi_nmi_disable();
537 status = acpi_ns_evaluate(info); 544 status = acpi_ns_evaluate(info);
545 acpi_nmi_enable();
546
538 if (ACPI_SUCCESS(status)) { 547 if (ACPI_SUCCESS(status)) {
539 walk_info->num_INI++; 548 walk_info->num_INI++;
540 549
diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c
index 4a9faff4c01d..8fcd6a15517f 100644
--- a/drivers/acpi/numa.c
+++ b/drivers/acpi/numa.c
@@ -33,7 +33,7 @@
33 33
34#define ACPI_NUMA 0x80000000 34#define ACPI_NUMA 0x80000000
35#define _COMPONENT ACPI_NUMA 35#define _COMPONENT ACPI_NUMA
36ACPI_MODULE_NAME("numa") 36ACPI_MODULE_NAME("numa");
37 37
38static nodemask_t nodes_found_map = NODE_MASK_NONE; 38static nodemask_t nodes_found_map = NODE_MASK_NONE;
39#define PXM_INVAL -1 39#define PXM_INVAL -1
@@ -45,12 +45,6 @@ int __cpuinitdata pxm_to_node_map[MAX_PXM_DOMAINS]
45int __cpuinitdata node_to_pxm_map[MAX_NUMNODES] 45int __cpuinitdata node_to_pxm_map[MAX_NUMNODES]
46 = { [0 ... MAX_NUMNODES - 1] = PXM_INVAL }; 46 = { [0 ... MAX_NUMNODES - 1] = PXM_INVAL };
47 47
48extern int __init acpi_table_parse_madt_family(char *id,
49 unsigned long madt_size,
50 int entry_id,
51 acpi_madt_entry_handler handler,
52 unsigned int max_entries);
53
54int __cpuinit pxm_to_node(int pxm) 48int __cpuinit pxm_to_node(int pxm)
55{ 49{
56 if (pxm < 0) 50 if (pxm < 0)
@@ -208,9 +202,9 @@ static int __init acpi_parse_srat(struct acpi_table_header *table)
208 202
209int __init 203int __init
210acpi_table_parse_srat(enum acpi_srat_type id, 204acpi_table_parse_srat(enum acpi_srat_type id,
211 acpi_madt_entry_handler handler, unsigned int max_entries) 205 acpi_table_entry_handler handler, unsigned int max_entries)
212{ 206{
213 return acpi_table_parse_madt_family(ACPI_SIG_SRAT, 207 return acpi_table_parse_entries(ACPI_SIG_SRAT,
214 sizeof(struct acpi_table_srat), id, 208 sizeof(struct acpi_table_srat), id,
215 handler, max_entries); 209 handler, max_entries);
216} 210}
@@ -220,9 +214,7 @@ int __init acpi_numa_init(void)
220 int result; 214 int result;
221 215
222 /* SRAT: Static Resource Affinity Table */ 216 /* SRAT: Static Resource Affinity Table */
223 result = acpi_table_parse(ACPI_SIG_SRAT, acpi_parse_srat); 217 if (!acpi_table_parse(ACPI_SIG_SRAT, acpi_parse_srat)) {
224
225 if (result > 0) {
226 result = acpi_table_parse_srat(ACPI_SRAT_TYPE_CPU_AFFINITY, 218 result = acpi_table_parse_srat(ACPI_SRAT_TYPE_CPU_AFFINITY,
227 acpi_parse_processor_affinity, 219 acpi_parse_processor_affinity,
228 NR_CPUS); 220 NR_CPUS);
@@ -230,7 +222,7 @@ int __init acpi_numa_init(void)
230 } 222 }
231 223
232 /* SLIT: System Locality Information Table */ 224 /* SLIT: System Locality Information Table */
233 result = acpi_table_parse(ACPI_SIG_SLIT, acpi_parse_slit); 225 acpi_table_parse(ACPI_SIG_SLIT, acpi_parse_slit);
234 226
235 acpi_numa_arch_fixup(); 227 acpi_numa_arch_fixup();
236 return 0; 228 return 0;
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 0f6f3bcbc8eb..971eca4864fa 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -46,7 +46,7 @@
46#include <linux/efi.h> 46#include <linux/efi.h>
47 47
48#define _COMPONENT ACPI_OS_SERVICES 48#define _COMPONENT ACPI_OS_SERVICES
49ACPI_MODULE_NAME("osl") 49ACPI_MODULE_NAME("osl");
50#define PREFIX "ACPI: " 50#define PREFIX "ACPI: "
51struct acpi_os_dpc { 51struct acpi_os_dpc {
52 acpi_osd_exec_callback function; 52 acpi_osd_exec_callback function;
@@ -68,9 +68,6 @@ EXPORT_SYMBOL(acpi_in_debugger);
68extern char line_buf[80]; 68extern char line_buf[80];
69#endif /*ENABLE_DEBUGGER */ 69#endif /*ENABLE_DEBUGGER */
70 70
71int acpi_specific_hotkey_enabled = TRUE;
72EXPORT_SYMBOL(acpi_specific_hotkey_enabled);
73
74static unsigned int acpi_irq_irq; 71static unsigned int acpi_irq_irq;
75static acpi_osd_handler acpi_irq_handler; 72static acpi_osd_handler acpi_irq_handler;
76static void *acpi_irq_context; 73static void *acpi_irq_context;
@@ -205,7 +202,7 @@ void __iomem *acpi_os_map_memory(acpi_physical_address phys, acpi_size size)
205{ 202{
206 if (phys > ULONG_MAX) { 203 if (phys > ULONG_MAX) {
207 printk(KERN_ERR PREFIX "Cannot map memory that high\n"); 204 printk(KERN_ERR PREFIX "Cannot map memory that high\n");
208 return 0; 205 return NULL;
209 } 206 }
210 if (acpi_gbl_permanent_mmap) 207 if (acpi_gbl_permanent_mmap)
211 /* 208 /*
@@ -890,26 +887,6 @@ u32 acpi_os_get_line(char *buffer)
890} 887}
891#endif /* ACPI_FUTURE_USAGE */ 888#endif /* ACPI_FUTURE_USAGE */
892 889
893/* Assumes no unreadable holes inbetween */
894u8 acpi_os_readable(void *ptr, acpi_size len)
895{
896#if defined(__i386__) || defined(__x86_64__)
897 char tmp;
898 return !__get_user(tmp, (char __user *)ptr)
899 && !__get_user(tmp, (char __user *)ptr + len - 1);
900#endif
901 return 1;
902}
903
904#ifdef ACPI_FUTURE_USAGE
905u8 acpi_os_writable(void *ptr, acpi_size len)
906{
907 /* could do dummy write (racy) or a kernel page table lookup.
908 The later may be difficult at early boot when kmap doesn't work yet. */
909 return 1;
910}
911#endif
912
913acpi_status acpi_os_signal(u32 function, void *info) 890acpi_status acpi_os_signal(u32 function, void *info)
914{ 891{
915 switch (function) { 892 switch (function) {
@@ -1012,14 +989,6 @@ static int __init acpi_wake_gpes_always_on_setup(char *str)
1012 989
1013__setup("acpi_wake_gpes_always_on", acpi_wake_gpes_always_on_setup); 990__setup("acpi_wake_gpes_always_on", acpi_wake_gpes_always_on_setup);
1014 991
1015static int __init acpi_hotkey_setup(char *str)
1016{
1017 acpi_specific_hotkey_enabled = FALSE;
1018 return 1;
1019}
1020
1021__setup("acpi_generic_hotkey", acpi_hotkey_setup);
1022
1023/* 992/*
1024 * max_cstate is defined in the base kernel so modules can 993 * max_cstate is defined in the base kernel so modules can
1025 * change it w/o depending on the state of the processor module. 994 * change it w/o depending on the state of the processor module.
diff --git a/drivers/acpi/pci_bind.c b/drivers/acpi/pci_bind.c
index 55f57a61c55e..028969370bbf 100644
--- a/drivers/acpi/pci_bind.c
+++ b/drivers/acpi/pci_bind.c
@@ -36,7 +36,7 @@
36#include <acpi/acpi_drivers.h> 36#include <acpi/acpi_drivers.h>
37 37
38#define _COMPONENT ACPI_PCI_COMPONENT 38#define _COMPONENT ACPI_PCI_COMPONENT
39ACPI_MODULE_NAME("pci_bind") 39ACPI_MODULE_NAME("pci_bind");
40 40
41struct acpi_pci_data { 41struct acpi_pci_data {
42 struct acpi_pci_id id; 42 struct acpi_pci_id id;
diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c
index fe7d007833ad..dd3186abe07a 100644
--- a/drivers/acpi/pci_irq.c
+++ b/drivers/acpi/pci_irq.c
@@ -38,7 +38,7 @@
38#include <acpi/acpi_drivers.h> 38#include <acpi/acpi_drivers.h>
39 39
40#define _COMPONENT ACPI_PCI_COMPONENT 40#define _COMPONENT ACPI_PCI_COMPONENT
41ACPI_MODULE_NAME("pci_irq") 41ACPI_MODULE_NAME("pci_irq");
42 42
43static struct acpi_prt_list acpi_prt; 43static struct acpi_prt_list acpi_prt;
44static DEFINE_SPINLOCK(acpi_prt_lock); 44static DEFINE_SPINLOCK(acpi_prt_lock);
diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c
index 0f683c8c6fbc..acc594771379 100644
--- a/drivers/acpi/pci_link.c
+++ b/drivers/acpi/pci_link.c
@@ -44,10 +44,9 @@
44#include <acpi/acpi_drivers.h> 44#include <acpi/acpi_drivers.h>
45 45
46#define _COMPONENT ACPI_PCI_COMPONENT 46#define _COMPONENT ACPI_PCI_COMPONENT
47ACPI_MODULE_NAME("pci_link") 47ACPI_MODULE_NAME("pci_link");
48#define ACPI_PCI_LINK_CLASS "pci_irq_routing" 48#define ACPI_PCI_LINK_CLASS "pci_irq_routing"
49#define ACPI_PCI_LINK_HID "PNP0C0F" 49#define ACPI_PCI_LINK_HID "PNP0C0F"
50#define ACPI_PCI_LINK_DRIVER_NAME "ACPI PCI Interrupt Link Driver"
51#define ACPI_PCI_LINK_DEVICE_NAME "PCI Interrupt Link" 50#define ACPI_PCI_LINK_DEVICE_NAME "PCI Interrupt Link"
52#define ACPI_PCI_LINK_FILE_INFO "info" 51#define ACPI_PCI_LINK_FILE_INFO "info"
53#define ACPI_PCI_LINK_FILE_STATUS "state" 52#define ACPI_PCI_LINK_FILE_STATUS "state"
@@ -56,7 +55,7 @@ static int acpi_pci_link_add(struct acpi_device *device);
56static int acpi_pci_link_remove(struct acpi_device *device, int type); 55static int acpi_pci_link_remove(struct acpi_device *device, int type);
57 56
58static struct acpi_driver acpi_pci_link_driver = { 57static struct acpi_driver acpi_pci_link_driver = {
59 .name = ACPI_PCI_LINK_DRIVER_NAME, 58 .name = "pci_link",
60 .class = ACPI_PCI_LINK_CLASS, 59 .class = ACPI_PCI_LINK_CLASS,
61 .ids = ACPI_PCI_LINK_HID, 60 .ids = ACPI_PCI_LINK_HID,
62 .ops = { 61 .ops = {
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index 4ecf701687e8..ad4145a37786 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -36,17 +36,16 @@
36#include <acpi/acpi_drivers.h> 36#include <acpi/acpi_drivers.h>
37 37
38#define _COMPONENT ACPI_PCI_COMPONENT 38#define _COMPONENT ACPI_PCI_COMPONENT
39ACPI_MODULE_NAME("pci_root") 39ACPI_MODULE_NAME("pci_root");
40#define ACPI_PCI_ROOT_CLASS "pci_bridge" 40#define ACPI_PCI_ROOT_CLASS "pci_bridge"
41#define ACPI_PCI_ROOT_HID "PNP0A03" 41#define ACPI_PCI_ROOT_HID "PNP0A03"
42#define ACPI_PCI_ROOT_DRIVER_NAME "ACPI PCI Root Bridge Driver"
43#define ACPI_PCI_ROOT_DEVICE_NAME "PCI Root Bridge" 42#define ACPI_PCI_ROOT_DEVICE_NAME "PCI Root Bridge"
44static int acpi_pci_root_add(struct acpi_device *device); 43static int acpi_pci_root_add(struct acpi_device *device);
45static int acpi_pci_root_remove(struct acpi_device *device, int type); 44static int acpi_pci_root_remove(struct acpi_device *device, int type);
46static int acpi_pci_root_start(struct acpi_device *device); 45static int acpi_pci_root_start(struct acpi_device *device);
47 46
48static struct acpi_driver acpi_pci_root_driver = { 47static struct acpi_driver acpi_pci_root_driver = {
49 .name = ACPI_PCI_ROOT_DRIVER_NAME, 48 .name = "pci_root",
50 .class = ACPI_PCI_ROOT_CLASS, 49 .class = ACPI_PCI_ROOT_CLASS,
51 .ids = ACPI_PCI_ROOT_HID, 50 .ids = ACPI_PCI_ROOT_HID,
52 .ops = { 51 .ops = {
diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index 0ba7dfbbb2ee..1ef338545dfe 100644
--- a/drivers/acpi/power.c
+++ b/drivers/acpi/power.c
@@ -45,10 +45,9 @@
45#include <acpi/acpi_drivers.h> 45#include <acpi/acpi_drivers.h>
46 46
47#define _COMPONENT ACPI_POWER_COMPONENT 47#define _COMPONENT ACPI_POWER_COMPONENT
48ACPI_MODULE_NAME("acpi_power") 48ACPI_MODULE_NAME("power");
49#define ACPI_POWER_COMPONENT 0x00800000 49#define ACPI_POWER_COMPONENT 0x00800000
50#define ACPI_POWER_CLASS "power_resource" 50#define ACPI_POWER_CLASS "power_resource"
51#define ACPI_POWER_DRIVER_NAME "ACPI Power Resource Driver"
52#define ACPI_POWER_DEVICE_NAME "Power Resource" 51#define ACPI_POWER_DEVICE_NAME "Power Resource"
53#define ACPI_POWER_FILE_INFO "info" 52#define ACPI_POWER_FILE_INFO "info"
54#define ACPI_POWER_FILE_STATUS "state" 53#define ACPI_POWER_FILE_STATUS "state"
@@ -57,25 +56,33 @@ ACPI_MODULE_NAME("acpi_power")
57#define ACPI_POWER_RESOURCE_STATE_UNKNOWN 0xFF 56#define ACPI_POWER_RESOURCE_STATE_UNKNOWN 0xFF
58static int acpi_power_add(struct acpi_device *device); 57static int acpi_power_add(struct acpi_device *device);
59static int acpi_power_remove(struct acpi_device *device, int type); 58static int acpi_power_remove(struct acpi_device *device, int type);
59static int acpi_power_resume(struct acpi_device *device);
60static int acpi_power_open_fs(struct inode *inode, struct file *file); 60static int acpi_power_open_fs(struct inode *inode, struct file *file);
61 61
62static struct acpi_driver acpi_power_driver = { 62static struct acpi_driver acpi_power_driver = {
63 .name = ACPI_POWER_DRIVER_NAME, 63 .name = "power",
64 .class = ACPI_POWER_CLASS, 64 .class = ACPI_POWER_CLASS,
65 .ids = ACPI_POWER_HID, 65 .ids = ACPI_POWER_HID,
66 .ops = { 66 .ops = {
67 .add = acpi_power_add, 67 .add = acpi_power_add,
68 .remove = acpi_power_remove, 68 .remove = acpi_power_remove,
69 .resume = acpi_power_resume,
69 }, 70 },
70}; 71};
71 72
73struct acpi_power_reference {
74 struct list_head node;
75 struct acpi_device *device;
76};
77
72struct acpi_power_resource { 78struct acpi_power_resource {
73 struct acpi_device * device; 79 struct acpi_device * device;
74 acpi_bus_id name; 80 acpi_bus_id name;
75 u32 system_level; 81 u32 system_level;
76 u32 order; 82 u32 order;
77 int state; 83 int state;
78 int references; 84 struct mutex resource_lock;
85 struct list_head reference;
79}; 86};
80 87
81static struct list_head acpi_power_resource_list; 88static struct list_head acpi_power_resource_list;
@@ -171,22 +178,47 @@ static int acpi_power_get_list_state(struct acpi_handle_list *list, int *state)
171 return result; 178 return result;
172} 179}
173 180
174static int acpi_power_on(acpi_handle handle) 181static int acpi_power_on(acpi_handle handle, struct acpi_device *dev)
175{ 182{
176 int result = 0; 183 int result = 0;
184 int found = 0;
177 acpi_status status = AE_OK; 185 acpi_status status = AE_OK;
178 struct acpi_device *device = NULL;
179 struct acpi_power_resource *resource = NULL; 186 struct acpi_power_resource *resource = NULL;
187 struct list_head *node, *next;
188 struct acpi_power_reference *ref;
180 189
181 190
182 result = acpi_power_get_context(handle, &resource); 191 result = acpi_power_get_context(handle, &resource);
183 if (result) 192 if (result)
184 return result; 193 return result;
185 194
186 resource->references++; 195 mutex_lock(&resource->resource_lock);
196 list_for_each_safe(node, next, &resource->reference) {
197 ref = container_of(node, struct acpi_power_reference, node);
198 if (dev->handle == ref->device->handle) {
199 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device [%s] already referenced by resource [%s]\n",
200 dev->pnp.bus_id, resource->name));
201 found = 1;
202 break;
203 }
204 }
205
206 if (!found) {
207 ref = kmalloc(sizeof (struct acpi_power_reference),
208 irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL);
209 if (!ref) {
210 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "kmalloc() failed\n"));
211 mutex_unlock(&resource->resource_lock);
212 return -ENOMEM;
213 }
214 list_add_tail(&ref->node, &resource->reference);
215 ref->device = dev;
216 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device [%s] added to resource [%s] references\n",
217 dev->pnp.bus_id, resource->name));
218 }
219 mutex_unlock(&resource->resource_lock);
187 220
188 if ((resource->references > 1) 221 if (resource->state == ACPI_POWER_RESOURCE_STATE_ON) {
189 || (resource->state == ACPI_POWER_RESOURCE_STATE_ON)) {
190 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Resource [%s] already on\n", 222 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Resource [%s] already on\n",
191 resource->name)); 223 resource->name));
192 return 0; 224 return 0;
@@ -203,38 +235,49 @@ static int acpi_power_on(acpi_handle handle)
203 return -ENOEXEC; 235 return -ENOEXEC;
204 236
205 /* Update the power resource's _device_ power state */ 237 /* Update the power resource's _device_ power state */
206 device = resource->device;
207 resource->device->power.state = ACPI_STATE_D0; 238 resource->device->power.state = ACPI_STATE_D0;
208 239
209 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Resource [%s] turned on\n", 240 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Resource [%s] turned on\n",
210 resource->name)); 241 resource->name));
211
212 return 0; 242 return 0;
213} 243}
214 244
215static int acpi_power_off_device(acpi_handle handle) 245static int acpi_power_off_device(acpi_handle handle, struct acpi_device *dev)
216{ 246{
217 int result = 0; 247 int result = 0;
218 acpi_status status = AE_OK; 248 acpi_status status = AE_OK;
219 struct acpi_power_resource *resource = NULL; 249 struct acpi_power_resource *resource = NULL;
250 struct list_head *node, *next;
251 struct acpi_power_reference *ref;
252
220 253
221 result = acpi_power_get_context(handle, &resource); 254 result = acpi_power_get_context(handle, &resource);
222 if (result) 255 if (result)
223 return result; 256 return result;
224 257
225 if (resource->references) 258 mutex_lock(&resource->resource_lock);
226 resource->references--; 259 list_for_each_safe(node, next, &resource->reference) {
260 ref = container_of(node, struct acpi_power_reference, node);
261 if (dev->handle == ref->device->handle) {
262 list_del(&ref->node);
263 kfree(ref);
264 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device [%s] removed from resource [%s] references\n",
265 dev->pnp.bus_id, resource->name));
266 break;
267 }
268 }
227 269
228 if (resource->references) { 270 if (!list_empty(&resource->reference)) {
229 ACPI_DEBUG_PRINT((ACPI_DB_INFO, 271 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Cannot turn resource [%s] off - resource is in use\n",
230 "Resource [%s] is still in use, dereferencing\n", 272 resource->name));
231 resource->device->pnp.bus_id)); 273 mutex_unlock(&resource->resource_lock);
232 return 0; 274 return 0;
233 } 275 }
276 mutex_unlock(&resource->resource_lock);
234 277
235 if (resource->state == ACPI_POWER_RESOURCE_STATE_OFF) { 278 if (resource->state == ACPI_POWER_RESOURCE_STATE_OFF) {
236 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Resource [%s] already off\n", 279 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Resource [%s] already off\n",
237 resource->device->pnp.bus_id)); 280 resource->name));
238 return 0; 281 return 0;
239 } 282 }
240 283
@@ -276,7 +319,7 @@ int acpi_enable_wakeup_device_power(struct acpi_device *dev)
276 arg.integer.value = 1; 319 arg.integer.value = 1;
277 /* Open power resource */ 320 /* Open power resource */
278 for (i = 0; i < dev->wakeup.resources.count; i++) { 321 for (i = 0; i < dev->wakeup.resources.count; i++) {
279 ret = acpi_power_on(dev->wakeup.resources.handles[i]); 322 ret = acpi_power_on(dev->wakeup.resources.handles[i], dev);
280 if (ret) { 323 if (ret) {
281 printk(KERN_ERR PREFIX "Transition power state\n"); 324 printk(KERN_ERR PREFIX "Transition power state\n");
282 dev->wakeup.flags.valid = 0; 325 dev->wakeup.flags.valid = 0;
@@ -323,7 +366,7 @@ int acpi_disable_wakeup_device_power(struct acpi_device *dev)
323 366
324 /* Close power resource */ 367 /* Close power resource */
325 for (i = 0; i < dev->wakeup.resources.count; i++) { 368 for (i = 0; i < dev->wakeup.resources.count; i++) {
326 ret = acpi_power_off_device(dev->wakeup.resources.handles[i]); 369 ret = acpi_power_off_device(dev->wakeup.resources.handles[i], dev);
327 if (ret) { 370 if (ret) {
328 printk(KERN_ERR PREFIX "Transition power state\n"); 371 printk(KERN_ERR PREFIX "Transition power state\n");
329 dev->wakeup.flags.valid = 0; 372 dev->wakeup.flags.valid = 0;
@@ -407,16 +450,20 @@ int acpi_power_transition(struct acpi_device *device, int state)
407 * (e.g. so the device doesn't lose power while transitioning). 450 * (e.g. so the device doesn't lose power while transitioning).
408 */ 451 */
409 for (i = 0; i < tl->count; i++) { 452 for (i = 0; i < tl->count; i++) {
410 result = acpi_power_on(tl->handles[i]); 453 result = acpi_power_on(tl->handles[i], device);
411 if (result) 454 if (result)
412 goto end; 455 goto end;
413 } 456 }
414 457
458 if (device->power.state == state) {
459 goto end;
460 }
461
415 /* 462 /*
416 * Then we dereference all power resources used in the current list. 463 * Then we dereference all power resources used in the current list.
417 */ 464 */
418 for (i = 0; i < cl->count; i++) { 465 for (i = 0; i < cl->count; i++) {
419 result = acpi_power_off_device(cl->handles[i]); 466 result = acpi_power_off_device(cl->handles[i], device);
420 if (result) 467 if (result)
421 goto end; 468 goto end;
422 } 469 }
@@ -439,7 +486,11 @@ static struct proc_dir_entry *acpi_power_dir;
439 486
440static int acpi_power_seq_show(struct seq_file *seq, void *offset) 487static int acpi_power_seq_show(struct seq_file *seq, void *offset)
441{ 488{
489 int count = 0;
490 int result = 0;
442 struct acpi_power_resource *resource = NULL; 491 struct acpi_power_resource *resource = NULL;
492 struct list_head *node, *next;
493 struct acpi_power_reference *ref;
443 494
444 495
445 resource = seq->private; 496 resource = seq->private;
@@ -447,6 +498,10 @@ static int acpi_power_seq_show(struct seq_file *seq, void *offset)
447 if (!resource) 498 if (!resource)
448 goto end; 499 goto end;
449 500
501 result = acpi_power_get_state(resource);
502 if (result)
503 goto end;
504
450 seq_puts(seq, "state: "); 505 seq_puts(seq, "state: ");
451 switch (resource->state) { 506 switch (resource->state) {
452 case ACPI_POWER_RESOURCE_STATE_ON: 507 case ACPI_POWER_RESOURCE_STATE_ON:
@@ -460,11 +515,18 @@ static int acpi_power_seq_show(struct seq_file *seq, void *offset)
460 break; 515 break;
461 } 516 }
462 517
518 mutex_lock(&resource->resource_lock);
519 list_for_each_safe(node, next, &resource->reference) {
520 ref = container_of(node, struct acpi_power_reference, node);
521 count++;
522 }
523 mutex_unlock(&resource->resource_lock);
524
463 seq_printf(seq, "system level: S%d\n" 525 seq_printf(seq, "system level: S%d\n"
464 "order: %d\n" 526 "order: %d\n"
465 "reference count: %d\n", 527 "reference count: %d\n",
466 resource->system_level, 528 resource->system_level,
467 resource->order, resource->references); 529 resource->order, count);
468 530
469 end: 531 end:
470 return 0; 532 return 0;
@@ -537,6 +599,8 @@ static int acpi_power_add(struct acpi_device *device)
537 return -ENOMEM; 599 return -ENOMEM;
538 600
539 resource->device = device; 601 resource->device = device;
602 mutex_init(&resource->resource_lock);
603 INIT_LIST_HEAD(&resource->reference);
540 strcpy(resource->name, device->pnp.bus_id); 604 strcpy(resource->name, device->pnp.bus_id);
541 strcpy(acpi_device_name(device), ACPI_POWER_DEVICE_NAME); 605 strcpy(acpi_device_name(device), ACPI_POWER_DEVICE_NAME);
542 strcpy(acpi_device_class(device), ACPI_POWER_CLASS); 606 strcpy(acpi_device_class(device), ACPI_POWER_CLASS);
@@ -584,6 +648,7 @@ static int acpi_power_add(struct acpi_device *device)
584static int acpi_power_remove(struct acpi_device *device, int type) 648static int acpi_power_remove(struct acpi_device *device, int type)
585{ 649{
586 struct acpi_power_resource *resource = NULL; 650 struct acpi_power_resource *resource = NULL;
651 struct list_head *node, *next;
587 652
588 653
589 if (!device || !acpi_driver_data(device)) 654 if (!device || !acpi_driver_data(device))
@@ -593,11 +658,54 @@ static int acpi_power_remove(struct acpi_device *device, int type)
593 658
594 acpi_power_remove_fs(device); 659 acpi_power_remove_fs(device);
595 660
661 mutex_lock(&resource->resource_lock);
662 list_for_each_safe(node, next, &resource->reference) {
663 struct acpi_power_reference *ref = container_of(node, struct acpi_power_reference, node);
664 list_del(&ref->node);
665 kfree(ref);
666 }
667 mutex_unlock(&resource->resource_lock);
668
596 kfree(resource); 669 kfree(resource);
597 670
598 return 0; 671 return 0;
599} 672}
600 673
674static int acpi_power_resume(struct acpi_device *device)
675{
676 int result = 0;
677 struct acpi_power_resource *resource = NULL;
678 struct acpi_power_reference *ref;
679
680 if (!device || !acpi_driver_data(device))
681 return -EINVAL;
682
683 resource = (struct acpi_power_resource *)acpi_driver_data(device);
684
685 result = acpi_power_get_state(resource);
686 if (result)
687 return result;
688
689 mutex_lock(&resource->resource_lock);
690 if ((resource->state == ACPI_POWER_RESOURCE_STATE_ON) &&
691 list_empty(&resource->reference)) {
692 mutex_unlock(&resource->resource_lock);
693 result = acpi_power_off_device(device->handle, NULL);
694 return result;
695 }
696
697 if ((resource->state == ACPI_POWER_RESOURCE_STATE_OFF) &&
698 !list_empty(&resource->reference)) {
699 ref = container_of(resource->reference.next, struct acpi_power_reference, node);
700 mutex_unlock(&resource->resource_lock);
701 result = acpi_power_on(device->handle, ref->device);
702 return result;
703 }
704
705 mutex_unlock(&resource->resource_lock);
706 return 0;
707}
708
601static int __init acpi_power_init(void) 709static int __init acpi_power_init(void)
602{ 710{
603 int result = 0; 711 int result = 0;
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index 0079bc51082c..99d1516d1e70 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -60,7 +60,6 @@
60 60
61#define ACPI_PROCESSOR_COMPONENT 0x01000000 61#define ACPI_PROCESSOR_COMPONENT 0x01000000
62#define ACPI_PROCESSOR_CLASS "processor" 62#define ACPI_PROCESSOR_CLASS "processor"
63#define ACPI_PROCESSOR_DRIVER_NAME "ACPI Processor Driver"
64#define ACPI_PROCESSOR_DEVICE_NAME "Processor" 63#define ACPI_PROCESSOR_DEVICE_NAME "Processor"
65#define ACPI_PROCESSOR_FILE_INFO "info" 64#define ACPI_PROCESSOR_FILE_INFO "info"
66#define ACPI_PROCESSOR_FILE_THROTTLING "throttling" 65#define ACPI_PROCESSOR_FILE_THROTTLING "throttling"
@@ -74,10 +73,10 @@
74#define ACPI_STA_PRESENT 0x00000001 73#define ACPI_STA_PRESENT 0x00000001
75 74
76#define _COMPONENT ACPI_PROCESSOR_COMPONENT 75#define _COMPONENT ACPI_PROCESSOR_COMPONENT
77ACPI_MODULE_NAME("acpi_processor") 76ACPI_MODULE_NAME("processor_core");
78 77
79 MODULE_AUTHOR("Paul Diefenbaugh"); 78MODULE_AUTHOR("Paul Diefenbaugh");
80MODULE_DESCRIPTION(ACPI_PROCESSOR_DRIVER_NAME); 79MODULE_DESCRIPTION("ACPI Processor Driver");
81MODULE_LICENSE("GPL"); 80MODULE_LICENSE("GPL");
82 81
83static int acpi_processor_add(struct acpi_device *device); 82static int acpi_processor_add(struct acpi_device *device);
@@ -89,7 +88,7 @@ static acpi_status acpi_processor_hotadd_init(acpi_handle handle, int *p_cpu);
89static int acpi_processor_handle_eject(struct acpi_processor *pr); 88static int acpi_processor_handle_eject(struct acpi_processor *pr);
90 89
91static struct acpi_driver acpi_processor_driver = { 90static struct acpi_driver acpi_processor_driver = {
92 .name = ACPI_PROCESSOR_DRIVER_NAME, 91 .name = "processor",
93 .class = ACPI_PROCESSOR_CLASS, 92 .class = ACPI_PROCESSOR_CLASS,
94 .ids = ACPI_PROCESSOR_HID, 93 .ids = ACPI_PROCESSOR_HID,
95 .ops = { 94 .ops = {
@@ -404,7 +403,7 @@ static int map_lsapic_id(struct acpi_subtable_header *entry,
404 if (lsapic->lapic_flags & ACPI_MADT_ENABLED) { 403 if (lsapic->lapic_flags & ACPI_MADT_ENABLED) {
405 /* First check against id */ 404 /* First check against id */
406 if (lsapic->processor_id == acpi_id) { 405 if (lsapic->processor_id == acpi_id) {
407 *apic_id = lsapic->id; 406 *apic_id = (lsapic->id << 8) | lsapic->eid;
408 return 1; 407 return 1;
409 /* Check against optional uid */ 408 /* Check against optional uid */
410 } else if (entry->length >= 16 && 409 } else if (entry->length >= 16 &&
@@ -1005,7 +1004,7 @@ static int __init acpi_processor_init(void)
1005#ifdef CONFIG_SMP 1004#ifdef CONFIG_SMP
1006 if (ACPI_FAILURE(acpi_get_table(ACPI_SIG_MADT, 0, 1005 if (ACPI_FAILURE(acpi_get_table(ACPI_SIG_MADT, 0,
1007 (struct acpi_table_header **)&madt))) 1006 (struct acpi_table_header **)&madt)))
1008 madt = 0; 1007 madt = NULL;
1009#endif 1008#endif
1010 1009
1011 acpi_processor_dir = proc_mkdir(ACPI_PROCESSOR_CLASS, acpi_root_dir); 1010 acpi_processor_dir = proc_mkdir(ACPI_PROCESSOR_CLASS, acpi_root_dir);
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 6c6751b1405b..60773005b8af 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -39,6 +39,25 @@
39#include <linux/moduleparam.h> 39#include <linux/moduleparam.h>
40#include <linux/sched.h> /* need_resched() */ 40#include <linux/sched.h> /* need_resched() */
41#include <linux/latency.h> 41#include <linux/latency.h>
42#include <linux/clockchips.h>
43
44/*
45 * Include the apic definitions for x86 to have the APIC timer related defines
46 * available also for UP (on SMP it gets magically included via linux/smp.h).
47 * asm/acpi.h is not an option, as it would require more include magic. Also
48 * creating an empty asm-ia64/apic.h would just trade pest vs. cholera.
49 */
50#ifdef CONFIG_X86
51#include <asm/apic.h>
52#endif
53
54/*
55 * Include the apic definitions for x86 to have the APIC timer related defines
56 * available also for UP (on SMP it gets magically included via linux/smp.h).
57 */
58#ifdef CONFIG_X86
59#include <asm/apic.h>
60#endif
42 61
43#include <asm/io.h> 62#include <asm/io.h>
44#include <asm/uaccess.h> 63#include <asm/uaccess.h>
@@ -48,9 +67,8 @@
48 67
49#define ACPI_PROCESSOR_COMPONENT 0x01000000 68#define ACPI_PROCESSOR_COMPONENT 0x01000000
50#define ACPI_PROCESSOR_CLASS "processor" 69#define ACPI_PROCESSOR_CLASS "processor"
51#define ACPI_PROCESSOR_DRIVER_NAME "ACPI Processor Driver"
52#define _COMPONENT ACPI_PROCESSOR_COMPONENT 70#define _COMPONENT ACPI_PROCESSOR_COMPONENT
53ACPI_MODULE_NAME("acpi_processor") 71ACPI_MODULE_NAME("processor_idle");
54#define ACPI_PROCESSOR_FILE_POWER "power" 72#define ACPI_PROCESSOR_FILE_POWER "power"
55#define US_TO_PM_TIMER_TICKS(t) ((t * (PM_TIMER_FREQUENCY/1000)) / 1000) 73#define US_TO_PM_TIMER_TICKS(t) ((t * (PM_TIMER_FREQUENCY/1000)) / 1000)
56#define C2_OVERHEAD 4 /* 1us (3.579 ticks per us) */ 74#define C2_OVERHEAD 4 /* 1us (3.579 ticks per us) */
@@ -238,6 +256,81 @@ static void acpi_cstate_enter(struct acpi_processor_cx *cstate)
238 } 256 }
239} 257}
240 258
259#ifdef ARCH_APICTIMER_STOPS_ON_C3
260
261/*
262 * Some BIOS implementations switch to C3 in the published C2 state.
263 * This seems to be a common problem on AMD boxen, but other vendors
264 * are affected too. We pick the most conservative approach: we assume
265 * that the local APIC stops in both C2 and C3.
266 */
267static void acpi_timer_check_state(int state, struct acpi_processor *pr,
268 struct acpi_processor_cx *cx)
269{
270 struct acpi_processor_power *pwr = &pr->power;
271
272 /*
273 * Check, if one of the previous states already marked the lapic
274 * unstable
275 */
276 if (pwr->timer_broadcast_on_state < state)
277 return;
278
279 if (cx->type >= ACPI_STATE_C2)
280 pr->power.timer_broadcast_on_state = state;
281}
282
283static void acpi_propagate_timer_broadcast(struct acpi_processor *pr)
284{
285#ifdef CONFIG_GENERIC_CLOCKEVENTS
286 unsigned long reason;
287
288 reason = pr->power.timer_broadcast_on_state < INT_MAX ?
289 CLOCK_EVT_NOTIFY_BROADCAST_ON : CLOCK_EVT_NOTIFY_BROADCAST_OFF;
290
291 clockevents_notify(reason, &pr->id);
292#else
293 cpumask_t mask = cpumask_of_cpu(pr->id);
294
295 if (pr->power.timer_broadcast_on_state < INT_MAX)
296 on_each_cpu(switch_APIC_timer_to_ipi, &mask, 1, 1);
297 else
298 on_each_cpu(switch_ipi_to_APIC_timer, &mask, 1, 1);
299#endif
300}
301
302/* Power(C) State timer broadcast control */
303static void acpi_state_timer_broadcast(struct acpi_processor *pr,
304 struct acpi_processor_cx *cx,
305 int broadcast)
306{
307#ifdef CONFIG_GENERIC_CLOCKEVENTS
308
309 int state = cx - pr->power.states;
310
311 if (state >= pr->power.timer_broadcast_on_state) {
312 unsigned long reason;
313
314 reason = broadcast ? CLOCK_EVT_NOTIFY_BROADCAST_ENTER :
315 CLOCK_EVT_NOTIFY_BROADCAST_EXIT;
316 clockevents_notify(reason, &pr->id);
317 }
318#endif
319}
320
321#else
322
323static void acpi_timer_check_state(int state, struct acpi_processor *pr,
324 struct acpi_processor_cx *cstate) { }
325static void acpi_propagate_timer_broadcast(struct acpi_processor *pr) { }
326static void acpi_state_timer_broadcast(struct acpi_processor *pr,
327 struct acpi_processor_cx *cx,
328 int broadcast)
329{
330}
331
332#endif
333
241static void acpi_processor_idle(void) 334static void acpi_processor_idle(void)
242{ 335{
243 struct acpi_processor *pr = NULL; 336 struct acpi_processor *pr = NULL;
@@ -382,6 +475,7 @@ static void acpi_processor_idle(void)
382 /* Get start time (ticks) */ 475 /* Get start time (ticks) */
383 t1 = inl(acpi_gbl_FADT.xpm_timer_block.address); 476 t1 = inl(acpi_gbl_FADT.xpm_timer_block.address);
384 /* Invoke C2 */ 477 /* Invoke C2 */
478 acpi_state_timer_broadcast(pr, cx, 1);
385 acpi_cstate_enter(cx); 479 acpi_cstate_enter(cx);
386 /* Get end time (ticks) */ 480 /* Get end time (ticks) */
387 t2 = inl(acpi_gbl_FADT.xpm_timer_block.address); 481 t2 = inl(acpi_gbl_FADT.xpm_timer_block.address);
@@ -396,6 +490,7 @@ static void acpi_processor_idle(void)
396 /* Compute time (ticks) that we were actually asleep */ 490 /* Compute time (ticks) that we were actually asleep */
397 sleep_ticks = 491 sleep_ticks =
398 ticks_elapsed(t1, t2) - cx->latency_ticks - C2_OVERHEAD; 492 ticks_elapsed(t1, t2) - cx->latency_ticks - C2_OVERHEAD;
493 acpi_state_timer_broadcast(pr, cx, 0);
399 break; 494 break;
400 495
401 case ACPI_STATE_C3: 496 case ACPI_STATE_C3:
@@ -417,6 +512,7 @@ static void acpi_processor_idle(void)
417 /* Get start time (ticks) */ 512 /* Get start time (ticks) */
418 t1 = inl(acpi_gbl_FADT.xpm_timer_block.address); 513 t1 = inl(acpi_gbl_FADT.xpm_timer_block.address);
419 /* Invoke C3 */ 514 /* Invoke C3 */
515 acpi_state_timer_broadcast(pr, cx, 1);
420 acpi_cstate_enter(cx); 516 acpi_cstate_enter(cx);
421 /* Get end time (ticks) */ 517 /* Get end time (ticks) */
422 t2 = inl(acpi_gbl_FADT.xpm_timer_block.address); 518 t2 = inl(acpi_gbl_FADT.xpm_timer_block.address);
@@ -436,6 +532,7 @@ static void acpi_processor_idle(void)
436 /* Compute time (ticks) that we were actually asleep */ 532 /* Compute time (ticks) that we were actually asleep */
437 sleep_ticks = 533 sleep_ticks =
438 ticks_elapsed(t1, t2) - cx->latency_ticks - C3_OVERHEAD; 534 ticks_elapsed(t1, t2) - cx->latency_ticks - C3_OVERHEAD;
535 acpi_state_timer_broadcast(pr, cx, 0);
439 break; 536 break;
440 537
441 default: 538 default:
@@ -904,11 +1001,7 @@ static int acpi_processor_power_verify(struct acpi_processor *pr)
904 unsigned int i; 1001 unsigned int i;
905 unsigned int working = 0; 1002 unsigned int working = 0;
906 1003
907#ifdef ARCH_APICTIMER_STOPS_ON_C3 1004 pr->power.timer_broadcast_on_state = INT_MAX;
908 int timer_broadcast = 0;
909 cpumask_t mask = cpumask_of_cpu(pr->id);
910 on_each_cpu(switch_ipi_to_APIC_timer, &mask, 1, 1);
911#endif
912 1005
913 for (i = 1; i < ACPI_PROCESSOR_MAX_POWER; i++) { 1006 for (i = 1; i < ACPI_PROCESSOR_MAX_POWER; i++) {
914 struct acpi_processor_cx *cx = &pr->power.states[i]; 1007 struct acpi_processor_cx *cx = &pr->power.states[i];
@@ -920,21 +1013,14 @@ static int acpi_processor_power_verify(struct acpi_processor *pr)
920 1013
921 case ACPI_STATE_C2: 1014 case ACPI_STATE_C2:
922 acpi_processor_power_verify_c2(cx); 1015 acpi_processor_power_verify_c2(cx);
923#ifdef ARCH_APICTIMER_STOPS_ON_C3 1016 if (cx->valid)
924 /* Some AMD systems fake C3 as C2, but still 1017 acpi_timer_check_state(i, pr, cx);
925 have timer troubles */
926 if (cx->valid &&
927 boot_cpu_data.x86_vendor == X86_VENDOR_AMD)
928 timer_broadcast++;
929#endif
930 break; 1018 break;
931 1019
932 case ACPI_STATE_C3: 1020 case ACPI_STATE_C3:
933 acpi_processor_power_verify_c3(pr, cx); 1021 acpi_processor_power_verify_c3(pr, cx);
934#ifdef ARCH_APICTIMER_STOPS_ON_C3
935 if (cx->valid) 1022 if (cx->valid)
936 timer_broadcast++; 1023 acpi_timer_check_state(i, pr, cx);
937#endif
938 break; 1024 break;
939 } 1025 }
940 1026
@@ -942,10 +1028,7 @@ static int acpi_processor_power_verify(struct acpi_processor *pr)
942 working++; 1028 working++;
943 } 1029 }
944 1030
945#ifdef ARCH_APICTIMER_STOPS_ON_C3 1031 acpi_propagate_timer_broadcast(pr);
946 if (timer_broadcast)
947 on_each_cpu(switch_APIC_timer_to_ipi, &mask, 1, 1);
948#endif
949 1032
950 return (working); 1033 return (working);
951} 1034}
diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c
index 058f13cf3b79..2f2e7964226d 100644
--- a/drivers/acpi/processor_perflib.c
+++ b/drivers/acpi/processor_perflib.c
@@ -44,10 +44,9 @@
44 44
45#define ACPI_PROCESSOR_COMPONENT 0x01000000 45#define ACPI_PROCESSOR_COMPONENT 0x01000000
46#define ACPI_PROCESSOR_CLASS "processor" 46#define ACPI_PROCESSOR_CLASS "processor"
47#define ACPI_PROCESSOR_DRIVER_NAME "ACPI Processor Driver"
48#define ACPI_PROCESSOR_FILE_PERFORMANCE "performance" 47#define ACPI_PROCESSOR_FILE_PERFORMANCE "performance"
49#define _COMPONENT ACPI_PROCESSOR_COMPONENT 48#define _COMPONENT ACPI_PROCESSOR_COMPONENT
50ACPI_MODULE_NAME("acpi_processor") 49ACPI_MODULE_NAME("processor_perflib");
51 50
52static DEFINE_MUTEX(performance_mutex); 51static DEFINE_MUTEX(performance_mutex);
53 52
diff --git a/drivers/acpi/processor_thermal.c b/drivers/acpi/processor_thermal.c
index 40fecd67ad83..06e6f3fb8825 100644
--- a/drivers/acpi/processor_thermal.c
+++ b/drivers/acpi/processor_thermal.c
@@ -41,9 +41,8 @@
41 41
42#define ACPI_PROCESSOR_COMPONENT 0x01000000 42#define ACPI_PROCESSOR_COMPONENT 0x01000000
43#define ACPI_PROCESSOR_CLASS "processor" 43#define ACPI_PROCESSOR_CLASS "processor"
44#define ACPI_PROCESSOR_DRIVER_NAME "ACPI Processor Driver"
45#define _COMPONENT ACPI_PROCESSOR_COMPONENT 44#define _COMPONENT ACPI_PROCESSOR_COMPONENT
46ACPI_MODULE_NAME("acpi_processor") 45ACPI_MODULE_NAME("processor_thermal");
47 46
48/* -------------------------------------------------------------------------- 47/* --------------------------------------------------------------------------
49 Limit Interface 48 Limit Interface
diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c
index 89dff3639abe..b33486009f41 100644
--- a/drivers/acpi/processor_throttling.c
+++ b/drivers/acpi/processor_throttling.c
@@ -41,9 +41,8 @@
41 41
42#define ACPI_PROCESSOR_COMPONENT 0x01000000 42#define ACPI_PROCESSOR_COMPONENT 0x01000000
43#define ACPI_PROCESSOR_CLASS "processor" 43#define ACPI_PROCESSOR_CLASS "processor"
44#define ACPI_PROCESSOR_DRIVER_NAME "ACPI Processor Driver"
45#define _COMPONENT ACPI_PROCESSOR_COMPONENT 44#define _COMPONENT ACPI_PROCESSOR_COMPONENT
46ACPI_MODULE_NAME("acpi_processor") 45ACPI_MODULE_NAME("processor_throttling");
47 46
48/* -------------------------------------------------------------------------- 47/* --------------------------------------------------------------------------
49 Throttling Control 48 Throttling Control
diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c
index 87b48f838164..59640d9a0acc 100644
--- a/drivers/acpi/sbs.c
+++ b/drivers/acpi/sbs.c
@@ -59,7 +59,6 @@ extern void acpi_unlock_battery_dir(struct proc_dir_entry *acpi_battery_dir);
59#define ACPI_AC_CLASS "ac_adapter" 59#define ACPI_AC_CLASS "ac_adapter"
60#define ACPI_BATTERY_CLASS "battery" 60#define ACPI_BATTERY_CLASS "battery"
61#define ACPI_SBS_HID "ACPI0002" 61#define ACPI_SBS_HID "ACPI0002"
62#define ACPI_SBS_DRIVER_NAME "ACPI Smart Battery System Driver"
63#define ACPI_SBS_DEVICE_NAME "Smart Battery System" 62#define ACPI_SBS_DEVICE_NAME "Smart Battery System"
64#define ACPI_SBS_FILE_INFO "info" 63#define ACPI_SBS_FILE_INFO "info"
65#define ACPI_SBS_FILE_STATE "state" 64#define ACPI_SBS_FILE_STATE "state"
@@ -78,7 +77,7 @@ extern void acpi_unlock_battery_dir(struct proc_dir_entry *acpi_battery_dir);
78#define MAX_SBS_BAT 4 77#define MAX_SBS_BAT 4
79#define MAX_SMBUS_ERR 1 78#define MAX_SMBUS_ERR 1
80 79
81ACPI_MODULE_NAME("acpi_sbs"); 80ACPI_MODULE_NAME("sbs");
82 81
83MODULE_AUTHOR("Rich Townsend"); 82MODULE_AUTHOR("Rich Townsend");
84MODULE_DESCRIPTION("Smart Battery System ACPI interface driver"); 83MODULE_DESCRIPTION("Smart Battery System ACPI interface driver");
@@ -110,7 +109,7 @@ static void acpi_battery_smbus_err_handler(struct acpi_ec_smbus *smbus);
110static void acpi_sbs_update_queue(void *data); 109static void acpi_sbs_update_queue(void *data);
111 110
112static struct acpi_driver acpi_sbs_driver = { 111static struct acpi_driver acpi_sbs_driver = {
113 .name = ACPI_SBS_DRIVER_NAME, 112 .name = "sbs",
114 .class = ACPI_SBS_CLASS, 113 .class = ACPI_SBS_CLASS,
115 .ids = ACPI_SBS_HID, 114 .ids = ACPI_SBS_HID,
116 .ops = { 115 .ops = {
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 64f26db10c8e..bb0e0da39fb1 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -11,13 +11,12 @@
11#include <acpi/acinterp.h> /* for acpi_ex_eisa_id_to_string() */ 11#include <acpi/acinterp.h> /* for acpi_ex_eisa_id_to_string() */
12 12
13#define _COMPONENT ACPI_BUS_COMPONENT 13#define _COMPONENT ACPI_BUS_COMPONENT
14ACPI_MODULE_NAME("scan") 14ACPI_MODULE_NAME("scan");
15#define STRUCT_TO_INT(s) (*((int*)&s)) 15#define STRUCT_TO_INT(s) (*((int*)&s))
16extern struct acpi_device *acpi_root; 16extern struct acpi_device *acpi_root;
17 17
18#define ACPI_BUS_CLASS "system_bus" 18#define ACPI_BUS_CLASS "system_bus"
19#define ACPI_BUS_HID "ACPI_BUS" 19#define ACPI_BUS_HID "ACPI_BUS"
20#define ACPI_BUS_DRIVER_NAME "ACPI Bus Driver"
21#define ACPI_BUS_DEVICE_NAME "System Bus" 20#define ACPI_BUS_DEVICE_NAME "System Bus"
22 21
23static LIST_HEAD(acpi_device_list); 22static LIST_HEAD(acpi_device_list);
diff --git a/drivers/acpi/sleep/main.c b/drivers/acpi/sleep/main.c
index 62ce87d71651..37a0930fc0a6 100644
--- a/drivers/acpi/sleep/main.c
+++ b/drivers/acpi/sleep/main.c
@@ -200,7 +200,7 @@ static struct dmi_system_id __initdata acpisleep_dmi_table[] = {
200 {}, 200 {},
201}; 201};
202 202
203static int __init acpi_sleep_init(void) 203int __init acpi_sleep_init(void)
204{ 204{
205 int i = 0; 205 int i = 0;
206 206
@@ -229,4 +229,3 @@ static int __init acpi_sleep_init(void)
229 return 0; 229 return 0;
230} 230}
231 231
232late_initcall(acpi_sleep_init);
diff --git a/drivers/acpi/sleep/poweroff.c b/drivers/acpi/sleep/poweroff.c
index 47fb4b394eec..d9801eff6489 100644
--- a/drivers/acpi/sleep/poweroff.c
+++ b/drivers/acpi/sleep/poweroff.c
@@ -12,7 +12,6 @@
12#include <linux/pm.h> 12#include <linux/pm.h>
13#include <linux/init.h> 13#include <linux/init.h>
14#include <acpi/acpi_bus.h> 14#include <acpi/acpi_bus.h>
15#include <linux/sched.h>
16#include <linux/sysdev.h> 15#include <linux/sysdev.h>
17#include <asm/io.h> 16#include <asm/io.h>
18#include "sleep.h" 17#include "sleep.h"
diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c
index 7147b0bdab0a..83a8d3097904 100644
--- a/drivers/acpi/system.c
+++ b/drivers/acpi/system.c
@@ -31,14 +31,13 @@
31#include <acpi/acpi_drivers.h> 31#include <acpi/acpi_drivers.h>
32 32
33#define _COMPONENT ACPI_SYSTEM_COMPONENT 33#define _COMPONENT ACPI_SYSTEM_COMPONENT
34ACPI_MODULE_NAME("acpi_system") 34ACPI_MODULE_NAME("system");
35#ifdef MODULE_PARAM_PREFIX 35#ifdef MODULE_PARAM_PREFIX
36#undef MODULE_PARAM_PREFIX 36#undef MODULE_PARAM_PREFIX
37#endif 37#endif
38#define MODULE_PARAM_PREFIX "acpi." 38#define MODULE_PARAM_PREFIX "acpi."
39 39
40#define ACPI_SYSTEM_CLASS "system" 40#define ACPI_SYSTEM_CLASS "system"
41#define ACPI_SYSTEM_DRIVER_NAME "ACPI System Driver"
42#define ACPI_SYSTEM_DEVICE_NAME "System" 41#define ACPI_SYSTEM_DEVICE_NAME "System"
43#define ACPI_SYSTEM_FILE_INFO "info" 42#define ACPI_SYSTEM_FILE_INFO "info"
44#define ACPI_SYSTEM_FILE_EVENT "event" 43#define ACPI_SYSTEM_FILE_EVENT "event"
diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c
index ba4cb200314a..849e2c361804 100644
--- a/drivers/acpi/tables.c
+++ b/drivers/acpi/tables.c
@@ -25,7 +25,6 @@
25 25
26#include <linux/init.h> 26#include <linux/init.h>
27#include <linux/kernel.h> 27#include <linux/kernel.h>
28#include <linux/sched.h>
29#include <linux/smp.h> 28#include <linux/smp.h>
30#include <linux/string.h> 29#include <linux/string.h>
31#include <linux/types.h> 30#include <linux/types.h>
@@ -170,40 +169,40 @@ void acpi_table_print_madt_entry(struct acpi_subtable_header * header)
170 169
171 170
172int __init 171int __init
173acpi_table_parse_madt_family(char *id, 172acpi_table_parse_entries(char *id,
174 unsigned long madt_size, 173 unsigned long table_size,
175 int entry_id, 174 int entry_id,
176 acpi_madt_entry_handler handler, 175 acpi_table_entry_handler handler,
177 unsigned int max_entries) 176 unsigned int max_entries)
178{ 177{
179 struct acpi_table_header *madt = NULL; 178 struct acpi_table_header *table_header = NULL;
180 struct acpi_subtable_header *entry; 179 struct acpi_subtable_header *entry;
181 unsigned int count = 0; 180 unsigned int count = 0;
182 unsigned long madt_end; 181 unsigned long table_end;
183 182
184 if (!handler) 183 if (!handler)
185 return -EINVAL; 184 return -EINVAL;
186 185
187 /* Locate the MADT (if exists). There should only be one. */ 186 /* Locate the table (if exists). There should only be one. */
188 acpi_get_table(id, 0, &madt); 187 acpi_get_table(id, 0, &table_header);
189 188
190 if (!madt) { 189 if (!table_header) {
191 printk(KERN_WARNING PREFIX "%4.4s not present\n", id); 190 printk(KERN_WARNING PREFIX "%4.4s not present\n", id);
192 return -ENODEV; 191 return -ENODEV;
193 } 192 }
194 193
195 madt_end = (unsigned long)madt + madt->length; 194 table_end = (unsigned long)table_header + table_header->length;
196 195
197 /* Parse all entries looking for a match. */ 196 /* Parse all entries looking for a match. */
198 197
199 entry = (struct acpi_subtable_header *) 198 entry = (struct acpi_subtable_header *)
200 ((unsigned long)madt + madt_size); 199 ((unsigned long)table_header + table_size);
201 200
202 while (((unsigned long)entry) + sizeof(struct acpi_subtable_header) < 201 while (((unsigned long)entry) + sizeof(struct acpi_subtable_header) <
203 madt_end) { 202 table_end) {
204 if (entry->type == entry_id 203 if (entry->type == entry_id
205 && (!max_entries || count++ < max_entries)) 204 && (!max_entries || count++ < max_entries))
206 if (handler(entry, madt_end)) 205 if (handler(entry, table_end))
207 return -EINVAL; 206 return -EINVAL;
208 207
209 entry = (struct acpi_subtable_header *) 208 entry = (struct acpi_subtable_header *)
@@ -219,13 +218,22 @@ acpi_table_parse_madt_family(char *id,
219 218
220int __init 219int __init
221acpi_table_parse_madt(enum acpi_madt_type id, 220acpi_table_parse_madt(enum acpi_madt_type id,
222 acpi_madt_entry_handler handler, unsigned int max_entries) 221 acpi_table_entry_handler handler, unsigned int max_entries)
223{ 222{
224 return acpi_table_parse_madt_family(ACPI_SIG_MADT, 223 return acpi_table_parse_entries(ACPI_SIG_MADT,
225 sizeof(struct acpi_table_madt), id, 224 sizeof(struct acpi_table_madt), id,
226 handler, max_entries); 225 handler, max_entries);
227} 226}
228 227
228/**
229 * acpi_table_parse - find table with @id, run @handler on it
230 *
231 * @id: table id to find
232 * @handler: handler to run
233 *
234 * Scan the ACPI System Descriptor Table (STD) for a table matching @id,
235 * run @handler on it. Return 0 if table found, return on if not.
236 */
229int __init acpi_table_parse(char *id, acpi_table_handler handler) 237int __init acpi_table_parse(char *id, acpi_table_handler handler)
230{ 238{
231 struct acpi_table_header *table = NULL; 239 struct acpi_table_header *table = NULL;
@@ -235,9 +243,9 @@ int __init acpi_table_parse(char *id, acpi_table_handler handler)
235 acpi_get_table(id, 0, &table); 243 acpi_get_table(id, 0, &table);
236 if (table) { 244 if (table) {
237 handler(table); 245 handler(table);
238 return 1;
239 } else
240 return 0; 246 return 0;
247 } else
248 return 1;
241} 249}
242 250
243/* 251/*
diff --git a/drivers/acpi/tables/tbxface.c b/drivers/acpi/tables/tbxface.c
index 807978d5381a..417ef5fa7666 100644
--- a/drivers/acpi/tables/tbxface.c
+++ b/drivers/acpi/tables/tbxface.c
@@ -338,9 +338,9 @@ acpi_status acpi_unload_table_id(acpi_owner_id id)
338 int i; 338 int i;
339 acpi_status status = AE_NOT_EXIST; 339 acpi_status status = AE_NOT_EXIST;
340 340
341 ACPI_FUNCTION_TRACE(acpi_unload_table); 341 ACPI_FUNCTION_TRACE(acpi_unload_table_id);
342 342
343 /* Find table from the requested type list */ 343 /* Find table in the global table list */
344 for (i = 0; i < acpi_gbl_root_table_list.count; ++i) { 344 for (i = 0; i < acpi_gbl_root_table_list.count; ++i) {
345 if (id != acpi_gbl_root_table_list.tables[i].owner_id) { 345 if (id != acpi_gbl_root_table_list.tables[i].owner_id) {
346 continue; 346 continue;
@@ -352,8 +352,9 @@ acpi_status acpi_unload_table_id(acpi_owner_id id)
352 * simply a position within the hierarchy 352 * simply a position within the hierarchy
353 */ 353 */
354 acpi_tb_delete_namespace_by_owner(i); 354 acpi_tb_delete_namespace_by_owner(i);
355 acpi_tb_release_owner_id(i); 355 status = acpi_tb_release_owner_id(i);
356 acpi_tb_set_table_loaded_flag(i, FALSE); 356 acpi_tb_set_table_loaded_flag(i, FALSE);
357 break;
357 } 358 }
358 return_ACPI_STATUS(status); 359 return_ACPI_STATUS(status);
359} 360}
@@ -408,7 +409,7 @@ acpi_get_table(char *signature,
408 } 409 }
409 410
410 if (!acpi_gbl_permanent_mmap) { 411 if (!acpi_gbl_permanent_mmap) {
411 acpi_gbl_root_table_list.tables[i].pointer = 0; 412 acpi_gbl_root_table_list.tables[i].pointer = NULL;
412 } 413 }
413 414
414 return (status); 415 return (status);
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index f76d3168c2b2..0ae8b9310cbf 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -36,7 +36,8 @@
36#include <linux/init.h> 36#include <linux/init.h>
37#include <linux/types.h> 37#include <linux/types.h>
38#include <linux/proc_fs.h> 38#include <linux/proc_fs.h>
39#include <linux/sched.h> 39#include <linux/timer.h>
40#include <linux/jiffies.h>
40#include <linux/kmod.h> 41#include <linux/kmod.h>
41#include <linux/seq_file.h> 42#include <linux/seq_file.h>
42#include <asm/uaccess.h> 43#include <asm/uaccess.h>
@@ -46,7 +47,6 @@
46 47
47#define ACPI_THERMAL_COMPONENT 0x04000000 48#define ACPI_THERMAL_COMPONENT 0x04000000
48#define ACPI_THERMAL_CLASS "thermal_zone" 49#define ACPI_THERMAL_CLASS "thermal_zone"
49#define ACPI_THERMAL_DRIVER_NAME "ACPI Thermal Zone Driver"
50#define ACPI_THERMAL_DEVICE_NAME "Thermal Zone" 50#define ACPI_THERMAL_DEVICE_NAME "Thermal Zone"
51#define ACPI_THERMAL_FILE_STATE "state" 51#define ACPI_THERMAL_FILE_STATE "state"
52#define ACPI_THERMAL_FILE_TEMPERATURE "temperature" 52#define ACPI_THERMAL_FILE_TEMPERATURE "temperature"
@@ -70,10 +70,10 @@
70#define CELSIUS_TO_KELVIN(t) ((t+273)*10) 70#define CELSIUS_TO_KELVIN(t) ((t+273)*10)
71 71
72#define _COMPONENT ACPI_THERMAL_COMPONENT 72#define _COMPONENT ACPI_THERMAL_COMPONENT
73ACPI_MODULE_NAME("acpi_thermal") 73ACPI_MODULE_NAME("thermal");
74 74
75MODULE_AUTHOR("Paul Diefenbaugh"); 75MODULE_AUTHOR("Paul Diefenbaugh");
76MODULE_DESCRIPTION(ACPI_THERMAL_DRIVER_NAME); 76MODULE_DESCRIPTION("ACPI Thermal Zone Driver");
77MODULE_LICENSE("GPL"); 77MODULE_LICENSE("GPL");
78 78
79static int tzp; 79static int tzp;
@@ -98,7 +98,7 @@ static ssize_t acpi_thermal_write_polling(struct file *, const char __user *,
98 size_t, loff_t *); 98 size_t, loff_t *);
99 99
100static struct acpi_driver acpi_thermal_driver = { 100static struct acpi_driver acpi_thermal_driver = {
101 .name = ACPI_THERMAL_DRIVER_NAME, 101 .name = "thermal",
102 .class = ACPI_THERMAL_CLASS, 102 .class = ACPI_THERMAL_CLASS,
103 .ids = ACPI_THERMAL_HID, 103 .ids = ACPI_THERMAL_HID,
104 .ops = { 104 .ops = {
@@ -269,7 +269,7 @@ static int acpi_thermal_set_polling(struct acpi_thermal *tz, int seconds)
269 269
270 ACPI_DEBUG_PRINT((ACPI_DB_INFO, 270 ACPI_DEBUG_PRINT((ACPI_DB_INFO,
271 "Polling frequency set to %lu seconds\n", 271 "Polling frequency set to %lu seconds\n",
272 tz->polling_frequency)); 272 tz->polling_frequency/10));
273 273
274 return 0; 274 return 0;
275} 275}
@@ -1356,28 +1356,32 @@ static int acpi_thermal_remove(struct acpi_device *device, int type)
1356static int acpi_thermal_resume(struct acpi_device *device) 1356static int acpi_thermal_resume(struct acpi_device *device)
1357{ 1357{
1358 struct acpi_thermal *tz = NULL; 1358 struct acpi_thermal *tz = NULL;
1359 int i; 1359 int i, j, power_state, result;
1360
1360 1361
1361 if (!device || !acpi_driver_data(device)) 1362 if (!device || !acpi_driver_data(device))
1362 return -EINVAL; 1363 return -EINVAL;
1363 1364
1364 tz = acpi_driver_data(device); 1365 tz = acpi_driver_data(device);
1365 1366
1366 acpi_thermal_get_temperature(tz);
1367
1368 for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++) { 1367 for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++) {
1369 if (tz->trips.active[i].flags.valid) { 1368 if (!(&tz->trips.active[i]))
1370 tz->temperature = tz->trips.active[i].temperature; 1369 break;
1371 tz->trips.active[i].flags.enabled = 0; 1370 if (!tz->trips.active[i].flags.valid)
1372 1371 break;
1373 acpi_thermal_active(tz); 1372 tz->trips.active[i].flags.enabled = 1;
1374 1373 for (j = 0; j < tz->trips.active[i].devices.count; j++) {
1375 tz->state.active |= tz->trips.active[i].flags.enabled; 1374 result = acpi_bus_get_power(tz->trips.active[i].devices.
1376 tz->state.active_index = i; 1375 handles[j], &power_state);
1376 if (result || (power_state != ACPI_STATE_D0)) {
1377 tz->trips.active[i].flags.enabled = 0;
1378 break;
1379 }
1377 } 1380 }
1381 tz->state.active |= tz->trips.active[i].flags.enabled;
1378 } 1382 }
1379 1383
1380 acpi_thermal_check(tz); 1384 acpi_thermal_check(tz);
1381 1385
1382 return AE_OK; 1386 return AE_OK;
1383} 1387}
diff --git a/drivers/acpi/toshiba_acpi.c b/drivers/acpi/toshiba_acpi.c
index d9b651ffcdc0..faf8a5232d8e 100644
--- a/drivers/acpi/toshiba_acpi.c
+++ b/drivers/acpi/toshiba_acpi.c
@@ -125,7 +125,7 @@ static int write_acpi_int(const char *methodName, int val)
125 union acpi_object in_objs[1]; 125 union acpi_object in_objs[1];
126 acpi_status status; 126 acpi_status status;
127 127
128 params.count = sizeof(in_objs) / sizeof(in_objs[0]); 128 params.count = ARRAY_SIZE(in_objs);
129 params.pointer = in_objs; 129 params.pointer = in_objs;
130 in_objs[0].type = ACPI_TYPE_INTEGER; 130 in_objs[0].type = ACPI_TYPE_INTEGER;
131 in_objs[0].integer.value = val; 131 in_objs[0].integer.value = val;
@@ -561,10 +561,6 @@ static int __init toshiba_acpi_init(void)
561 if (acpi_disabled) 561 if (acpi_disabled)
562 return -ENODEV; 562 return -ENODEV;
563 563
564 if (!acpi_specific_hotkey_enabled) {
565 printk(MY_INFO "Using generic hotkey driver\n");
566 return -ENODEV;
567 }
568 /* simple device detection: look for HCI method */ 564 /* simple device detection: look for HCI method */
569 if (is_valid_acpi_path(METHOD_HCI_1)) 565 if (is_valid_acpi_path(METHOD_HCI_1))
570 method_hci = METHOD_HCI_1; 566 method_hci = METHOD_HCI_1;
diff --git a/drivers/acpi/utilities/utdelete.c b/drivers/acpi/utilities/utdelete.c
index f777cebdc46d..673a0caa4073 100644
--- a/drivers/acpi/utilities/utdelete.c
+++ b/drivers/acpi/utilities/utdelete.c
@@ -170,7 +170,6 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object)
170 acpi_os_delete_mutex(object->mutex.os_mutex); 170 acpi_os_delete_mutex(object->mutex.os_mutex);
171 acpi_gbl_global_lock_mutex = NULL; 171 acpi_gbl_global_lock_mutex = NULL;
172 } else { 172 } else {
173 acpi_ex_unlink_mutex(object);
174 acpi_os_delete_mutex(object->mutex.os_mutex); 173 acpi_os_delete_mutex(object->mutex.os_mutex);
175 } 174 }
176 break; 175 break;
diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c
index 68a809fa7b19..34f157571080 100644
--- a/drivers/acpi/utils.c
+++ b/drivers/acpi/utils.c
@@ -31,7 +31,7 @@
31#include <acpi/acpi_drivers.h> 31#include <acpi/acpi_drivers.h>
32 32
33#define _COMPONENT ACPI_BUS_COMPONENT 33#define _COMPONENT ACPI_BUS_COMPONENT
34ACPI_MODULE_NAME("acpi_utils") 34ACPI_MODULE_NAME("utils");
35 35
36/* -------------------------------------------------------------------------- 36/* --------------------------------------------------------------------------
37 Object Evaluation Helpers 37 Object Evaluation Helpers
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index e0b97add8c63..bf525cca3b63 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -40,7 +40,6 @@
40 40
41#define ACPI_VIDEO_COMPONENT 0x08000000 41#define ACPI_VIDEO_COMPONENT 0x08000000
42#define ACPI_VIDEO_CLASS "video" 42#define ACPI_VIDEO_CLASS "video"
43#define ACPI_VIDEO_DRIVER_NAME "ACPI Video Driver"
44#define ACPI_VIDEO_BUS_NAME "Video Bus" 43#define ACPI_VIDEO_BUS_NAME "Video Bus"
45#define ACPI_VIDEO_DEVICE_NAME "Video Device" 44#define ACPI_VIDEO_DEVICE_NAME "Video Device"
46#define ACPI_VIDEO_NOTIFY_SWITCH 0x80 45#define ACPI_VIDEO_NOTIFY_SWITCH 0x80
@@ -65,17 +64,17 @@
65#define ACPI_VIDEO_DISPLAY_LCD 4 64#define ACPI_VIDEO_DISPLAY_LCD 4
66 65
67#define _COMPONENT ACPI_VIDEO_COMPONENT 66#define _COMPONENT ACPI_VIDEO_COMPONENT
68ACPI_MODULE_NAME("acpi_video") 67ACPI_MODULE_NAME("video");
69 68
70 MODULE_AUTHOR("Bruno Ducrot"); 69MODULE_AUTHOR("Bruno Ducrot");
71MODULE_DESCRIPTION(ACPI_VIDEO_DRIVER_NAME); 70MODULE_DESCRIPTION("ACPI Video Driver");
72MODULE_LICENSE("GPL"); 71MODULE_LICENSE("GPL");
73 72
74static int acpi_video_bus_add(struct acpi_device *device); 73static int acpi_video_bus_add(struct acpi_device *device);
75static int acpi_video_bus_remove(struct acpi_device *device, int type); 74static int acpi_video_bus_remove(struct acpi_device *device, int type);
76 75
77static struct acpi_driver acpi_video_bus = { 76static struct acpi_driver acpi_video_bus = {
78 .name = ACPI_VIDEO_DRIVER_NAME, 77 .name = "video",
79 .class = ACPI_VIDEO_CLASS, 78 .class = ACPI_VIDEO_CLASS,
80 .ids = ACPI_VIDEO_HID, 79 .ids = ACPI_VIDEO_HID,
81 .ops = { 80 .ops = {
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-26 09:09:36 -0500