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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2011-01-10 23:10:08 -0500
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2011-01-10 23:10:08 -0500
commiteed0ba0b4ab2d1668588219a8efa81bf8636a12d (patch)
treef5aa3c732e7830a1b24e6071f8bed0f799881187 /drivers/acpi
parent98b14d6b290d96b24ae993ceaccc59b2aa4b130c (diff)
parentc9de9333f5a860cab82052bce6ac28bcac9b2c26 (diff)
Merge remote branch 'gcl/next' into next
Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/ac.c46
-rw-r--r--drivers/acpi/acpica/evgpeinit.c3
-rw-r--r--drivers/acpi/apei/erst.c34
-rw-r--r--drivers/acpi/apei/hest.c10
-rw-r--r--drivers/acpi/ec.c3
-rw-r--r--drivers/acpi/osl.c113
-rw-r--r--drivers/acpi/power.c12
-rw-r--r--drivers/acpi/processor_thermal.c9
-rw-r--r--drivers/acpi/scan.c97
-rw-r--r--drivers/acpi/sleep.c12
10 files changed, 210 insertions, 129 deletions
diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c
index ba9afeaa23ac..25d3aaebc10d 100644
--- a/drivers/acpi/ac.c
+++ b/drivers/acpi/ac.c
@@ -100,24 +100,7 @@ static const struct file_operations acpi_ac_fops = {
100 .release = single_release, 100 .release = single_release,
101}; 101};
102#endif 102#endif
103static int get_ac_property(struct power_supply *psy,
104 enum power_supply_property psp,
105 union power_supply_propval *val)
106{
107 struct acpi_ac *ac = to_acpi_ac(psy);
108 switch (psp) {
109 case POWER_SUPPLY_PROP_ONLINE:
110 val->intval = ac->state;
111 break;
112 default:
113 return -EINVAL;
114 }
115 return 0;
116}
117 103
118static enum power_supply_property ac_props[] = {
119 POWER_SUPPLY_PROP_ONLINE,
120};
121/* -------------------------------------------------------------------------- 104/* --------------------------------------------------------------------------
122 AC Adapter Management 105 AC Adapter Management
123 -------------------------------------------------------------------------- */ 106 -------------------------------------------------------------------------- */
@@ -140,6 +123,35 @@ static int acpi_ac_get_state(struct acpi_ac *ac)
140 return 0; 123 return 0;
141} 124}
142 125
126/* --------------------------------------------------------------------------
127 sysfs I/F
128 -------------------------------------------------------------------------- */
129static int get_ac_property(struct power_supply *psy,
130 enum power_supply_property psp,
131 union power_supply_propval *val)
132{
133 struct acpi_ac *ac = to_acpi_ac(psy);
134
135 if (!ac)
136 return -ENODEV;
137
138 if (acpi_ac_get_state(ac))
139 return -ENODEV;
140
141 switch (psp) {
142 case POWER_SUPPLY_PROP_ONLINE:
143 val->intval = ac->state;
144 break;
145 default:
146 return -EINVAL;
147 }
148 return 0;
149}
150
151static enum power_supply_property ac_props[] = {
152 POWER_SUPPLY_PROP_ONLINE,
153};
154
143#ifdef CONFIG_ACPI_PROCFS_POWER 155#ifdef CONFIG_ACPI_PROCFS_POWER
144/* -------------------------------------------------------------------------- 156/* --------------------------------------------------------------------------
145 FS Interface (/proc) 157 FS Interface (/proc)
diff --git a/drivers/acpi/acpica/evgpeinit.c b/drivers/acpi/acpica/evgpeinit.c
index 2c7def95f721..4c8dea513b66 100644
--- a/drivers/acpi/acpica/evgpeinit.c
+++ b/drivers/acpi/acpica/evgpeinit.c
@@ -408,6 +408,9 @@ acpi_ev_match_gpe_method(acpi_handle obj_handle,
408 return_ACPI_STATUS(AE_OK); 408 return_ACPI_STATUS(AE_OK);
409 } 409 }
410 410
411 /* Disable the GPE in case it's been enabled already. */
412 (void)acpi_hw_low_set_gpe(gpe_event_info, ACPI_GPE_DISABLE);
413
411 /* 414 /*
412 * Add the GPE information from above to the gpe_event_info block for 415 * Add the GPE information from above to the gpe_event_info block for
413 * use during dispatch of this GPE. 416 * use during dispatch of this GPE.
diff --git a/drivers/acpi/apei/erst.c b/drivers/acpi/apei/erst.c
index 1211c03149e8..5850d320404c 100644
--- a/drivers/acpi/apei/erst.c
+++ b/drivers/acpi/apei/erst.c
@@ -86,7 +86,7 @@ static struct erst_erange {
86 * It is used to provide exclusive accessing for ERST Error Log 86 * It is used to provide exclusive accessing for ERST Error Log
87 * Address Range too. 87 * Address Range too.
88 */ 88 */
89static DEFINE_SPINLOCK(erst_lock); 89static DEFINE_RAW_SPINLOCK(erst_lock);
90 90
91static inline int erst_errno(int command_status) 91static inline int erst_errno(int command_status)
92{ 92{
@@ -421,9 +421,9 @@ ssize_t erst_get_record_count(void)
421 if (erst_disable) 421 if (erst_disable)
422 return -ENODEV; 422 return -ENODEV;
423 423
424 spin_lock_irqsave(&erst_lock, flags); 424 raw_spin_lock_irqsave(&erst_lock, flags);
425 count = __erst_get_record_count(); 425 count = __erst_get_record_count();
426 spin_unlock_irqrestore(&erst_lock, flags); 426 raw_spin_unlock_irqrestore(&erst_lock, flags);
427 427
428 return count; 428 return count;
429} 429}
@@ -456,9 +456,9 @@ int erst_get_next_record_id(u64 *record_id)
456 if (erst_disable) 456 if (erst_disable)
457 return -ENODEV; 457 return -ENODEV;
458 458
459 spin_lock_irqsave(&erst_lock, flags); 459 raw_spin_lock_irqsave(&erst_lock, flags);
460 rc = __erst_get_next_record_id(record_id); 460 rc = __erst_get_next_record_id(record_id);
461 spin_unlock_irqrestore(&erst_lock, flags); 461 raw_spin_unlock_irqrestore(&erst_lock, flags);
462 462
463 return rc; 463 return rc;
464} 464}
@@ -624,17 +624,17 @@ int erst_write(const struct cper_record_header *record)
624 return -EINVAL; 624 return -EINVAL;
625 625
626 if (erst_erange.attr & ERST_RANGE_NVRAM) { 626 if (erst_erange.attr & ERST_RANGE_NVRAM) {
627 if (!spin_trylock_irqsave(&erst_lock, flags)) 627 if (!raw_spin_trylock_irqsave(&erst_lock, flags))
628 return -EBUSY; 628 return -EBUSY;
629 rc = __erst_write_to_nvram(record); 629 rc = __erst_write_to_nvram(record);
630 spin_unlock_irqrestore(&erst_lock, flags); 630 raw_spin_unlock_irqrestore(&erst_lock, flags);
631 return rc; 631 return rc;
632 } 632 }
633 633
634 if (record->record_length > erst_erange.size) 634 if (record->record_length > erst_erange.size)
635 return -EINVAL; 635 return -EINVAL;
636 636
637 if (!spin_trylock_irqsave(&erst_lock, flags)) 637 if (!raw_spin_trylock_irqsave(&erst_lock, flags))
638 return -EBUSY; 638 return -EBUSY;
639 memcpy(erst_erange.vaddr, record, record->record_length); 639 memcpy(erst_erange.vaddr, record, record->record_length);
640 rcd_erange = erst_erange.vaddr; 640 rcd_erange = erst_erange.vaddr;
@@ -642,7 +642,7 @@ int erst_write(const struct cper_record_header *record)
642 memcpy(&rcd_erange->persistence_information, "ER", 2); 642 memcpy(&rcd_erange->persistence_information, "ER", 2);
643 643
644 rc = __erst_write_to_storage(0); 644 rc = __erst_write_to_storage(0);
645 spin_unlock_irqrestore(&erst_lock, flags); 645 raw_spin_unlock_irqrestore(&erst_lock, flags);
646 646
647 return rc; 647 return rc;
648} 648}
@@ -696,9 +696,9 @@ ssize_t erst_read(u64 record_id, struct cper_record_header *record,
696 if (erst_disable) 696 if (erst_disable)
697 return -ENODEV; 697 return -ENODEV;
698 698
699 spin_lock_irqsave(&erst_lock, flags); 699 raw_spin_lock_irqsave(&erst_lock, flags);
700 len = __erst_read(record_id, record, buflen); 700 len = __erst_read(record_id, record, buflen);
701 spin_unlock_irqrestore(&erst_lock, flags); 701 raw_spin_unlock_irqrestore(&erst_lock, flags);
702 return len; 702 return len;
703} 703}
704EXPORT_SYMBOL_GPL(erst_read); 704EXPORT_SYMBOL_GPL(erst_read);
@@ -719,20 +719,20 @@ ssize_t erst_read_next(struct cper_record_header *record, size_t buflen)
719 if (erst_disable) 719 if (erst_disable)
720 return -ENODEV; 720 return -ENODEV;
721 721
722 spin_lock_irqsave(&erst_lock, flags); 722 raw_spin_lock_irqsave(&erst_lock, flags);
723 rc = __erst_get_next_record_id(&record_id); 723 rc = __erst_get_next_record_id(&record_id);
724 if (rc) { 724 if (rc) {
725 spin_unlock_irqrestore(&erst_lock, flags); 725 raw_spin_unlock_irqrestore(&erst_lock, flags);
726 return rc; 726 return rc;
727 } 727 }
728 /* no more record */ 728 /* no more record */
729 if (record_id == APEI_ERST_INVALID_RECORD_ID) { 729 if (record_id == APEI_ERST_INVALID_RECORD_ID) {
730 spin_unlock_irqrestore(&erst_lock, flags); 730 raw_spin_unlock_irqrestore(&erst_lock, flags);
731 return 0; 731 return 0;
732 } 732 }
733 733
734 len = __erst_read(record_id, record, buflen); 734 len = __erst_read(record_id, record, buflen);
735 spin_unlock_irqrestore(&erst_lock, flags); 735 raw_spin_unlock_irqrestore(&erst_lock, flags);
736 736
737 return len; 737 return len;
738} 738}
@@ -746,12 +746,12 @@ int erst_clear(u64 record_id)
746 if (erst_disable) 746 if (erst_disable)
747 return -ENODEV; 747 return -ENODEV;
748 748
749 spin_lock_irqsave(&erst_lock, flags); 749 raw_spin_lock_irqsave(&erst_lock, flags);
750 if (erst_erange.attr & ERST_RANGE_NVRAM) 750 if (erst_erange.attr & ERST_RANGE_NVRAM)
751 rc = __erst_clear_from_nvram(record_id); 751 rc = __erst_clear_from_nvram(record_id);
752 else 752 else
753 rc = __erst_clear_from_storage(record_id); 753 rc = __erst_clear_from_storage(record_id);
754 spin_unlock_irqrestore(&erst_lock, flags); 754 raw_spin_unlock_irqrestore(&erst_lock, flags);
755 755
756 return rc; 756 return rc;
757} 757}
diff --git a/drivers/acpi/apei/hest.c b/drivers/acpi/apei/hest.c
index 1a3508a7fe03..daa7bc63f1d4 100644
--- a/drivers/acpi/apei/hest.c
+++ b/drivers/acpi/apei/hest.c
@@ -46,9 +46,9 @@ EXPORT_SYMBOL_GPL(hest_disable);
46 46
47/* HEST table parsing */ 47/* HEST table parsing */
48 48
49static struct acpi_table_hest *hest_tab; 49static struct acpi_table_hest *__read_mostly hest_tab;
50 50
51static int hest_esrc_len_tab[ACPI_HEST_TYPE_RESERVED] = { 51static const int hest_esrc_len_tab[ACPI_HEST_TYPE_RESERVED] = {
52 [ACPI_HEST_TYPE_IA32_CHECK] = -1, /* need further calculation */ 52 [ACPI_HEST_TYPE_IA32_CHECK] = -1, /* need further calculation */
53 [ACPI_HEST_TYPE_IA32_CORRECTED_CHECK] = -1, 53 [ACPI_HEST_TYPE_IA32_CORRECTED_CHECK] = -1,
54 [ACPI_HEST_TYPE_IA32_NMI] = sizeof(struct acpi_hest_ia_nmi), 54 [ACPI_HEST_TYPE_IA32_NMI] = sizeof(struct acpi_hest_ia_nmi),
@@ -126,7 +126,7 @@ struct ghes_arr {
126 unsigned int count; 126 unsigned int count;
127}; 127};
128 128
129static int hest_parse_ghes_count(struct acpi_hest_header *hest_hdr, void *data) 129static int __init hest_parse_ghes_count(struct acpi_hest_header *hest_hdr, void *data)
130{ 130{
131 int *count = data; 131 int *count = data;
132 132
@@ -135,7 +135,7 @@ static int hest_parse_ghes_count(struct acpi_hest_header *hest_hdr, void *data)
135 return 0; 135 return 0;
136} 136}
137 137
138static int hest_parse_ghes(struct acpi_hest_header *hest_hdr, void *data) 138static int __init hest_parse_ghes(struct acpi_hest_header *hest_hdr, void *data)
139{ 139{
140 struct platform_device *ghes_dev; 140 struct platform_device *ghes_dev;
141 struct ghes_arr *ghes_arr = data; 141 struct ghes_arr *ghes_arr = data;
@@ -165,7 +165,7 @@ err:
165 return rc; 165 return rc;
166} 166}
167 167
168static int hest_ghes_dev_register(unsigned int ghes_count) 168static int __init hest_ghes_dev_register(unsigned int ghes_count)
169{ 169{
170 int rc, i; 170 int rc, i;
171 struct ghes_arr ghes_arr; 171 struct ghes_arr ghes_arr;
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 372ff80b7b0c..302b31ed31f1 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -934,6 +934,9 @@ static struct dmi_system_id __initdata ec_dmi_table[] = {
934 ec_flag_msi, "MSI hardware", { 934 ec_flag_msi, "MSI hardware", {
935 DMI_MATCH(DMI_CHASSIS_VENDOR, "MICRO-Star")}, NULL}, 935 DMI_MATCH(DMI_CHASSIS_VENDOR, "MICRO-Star")}, NULL},
936 { 936 {
937 ec_flag_msi, "MSI hardware", {
938 DMI_MATCH(DMI_CHASSIS_VENDOR, "MICRO-STAR")}, NULL},
939 {
937 ec_validate_ecdt, "ASUS hardware", { 940 ec_validate_ecdt, "ASUS hardware", {
938 DMI_MATCH(DMI_BIOS_VENDOR, "ASUS") }, NULL}, 941 DMI_MATCH(DMI_BIOS_VENDOR, "ASUS") }, NULL},
939 {}, 942 {},
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 966feddf6b1b..055d7b701fff 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -110,9 +110,6 @@ struct acpi_ioremap {
110static LIST_HEAD(acpi_ioremaps); 110static LIST_HEAD(acpi_ioremaps);
111static DEFINE_SPINLOCK(acpi_ioremap_lock); 111static DEFINE_SPINLOCK(acpi_ioremap_lock);
112 112
113#define OSI_STRING_LENGTH_MAX 64 /* arbitrary */
114static char osi_setup_string[OSI_STRING_LENGTH_MAX];
115
116static void __init acpi_osi_setup_late(void); 113static void __init acpi_osi_setup_late(void);
117 114
118/* 115/*
@@ -152,8 +149,7 @@ static struct osi_linux {
152 unsigned int enable:1; 149 unsigned int enable:1;
153 unsigned int dmi:1; 150 unsigned int dmi:1;
154 unsigned int cmdline:1; 151 unsigned int cmdline:1;
155 unsigned int known:1; 152} osi_linux = {0, 0, 0};
156} osi_linux = { 0, 0, 0, 0};
157 153
158static u32 acpi_osi_handler(acpi_string interface, u32 supported) 154static u32 acpi_osi_handler(acpi_string interface, u32 supported)
159{ 155{
@@ -1055,13 +1051,53 @@ static int __init acpi_os_name_setup(char *str)
1055 1051
1056__setup("acpi_os_name=", acpi_os_name_setup); 1052__setup("acpi_os_name=", acpi_os_name_setup);
1057 1053
1054#define OSI_STRING_LENGTH_MAX 64 /* arbitrary */
1055#define OSI_STRING_ENTRIES_MAX 16 /* arbitrary */
1056
1057struct osi_setup_entry {
1058 char string[OSI_STRING_LENGTH_MAX];
1059 bool enable;
1060};
1061
1062static struct osi_setup_entry __initdata osi_setup_entries[OSI_STRING_ENTRIES_MAX];
1063
1064void __init acpi_osi_setup(char *str)
1065{
1066 struct osi_setup_entry *osi;
1067 bool enable = true;
1068 int i;
1069
1070 if (!acpi_gbl_create_osi_method)
1071 return;
1072
1073 if (str == NULL || *str == '\0') {
1074 printk(KERN_INFO PREFIX "_OSI method disabled\n");
1075 acpi_gbl_create_osi_method = FALSE;
1076 return;
1077 }
1078
1079 if (*str == '!') {
1080 str++;
1081 enable = false;
1082 }
1083
1084 for (i = 0; i < OSI_STRING_ENTRIES_MAX; i++) {
1085 osi = &osi_setup_entries[i];
1086 if (!strcmp(osi->string, str)) {
1087 osi->enable = enable;
1088 break;
1089 } else if (osi->string[0] == '\0') {
1090 osi->enable = enable;
1091 strncpy(osi->string, str, OSI_STRING_LENGTH_MAX);
1092 break;
1093 }
1094 }
1095}
1096
1058static void __init set_osi_linux(unsigned int enable) 1097static void __init set_osi_linux(unsigned int enable)
1059{ 1098{
1060 if (osi_linux.enable != enable) { 1099 if (osi_linux.enable != enable)
1061 osi_linux.enable = enable; 1100 osi_linux.enable = enable;
1062 printk(KERN_NOTICE PREFIX "%sed _OSI(Linux)\n",
1063 enable ? "Add": "Delet");
1064 }
1065 1101
1066 if (osi_linux.enable) 1102 if (osi_linux.enable)
1067 acpi_osi_setup("Linux"); 1103 acpi_osi_setup("Linux");
@@ -1073,7 +1109,8 @@ static void __init set_osi_linux(unsigned int enable)
1073 1109
1074static void __init acpi_cmdline_osi_linux(unsigned int enable) 1110static void __init acpi_cmdline_osi_linux(unsigned int enable)
1075{ 1111{
1076 osi_linux.cmdline = 1; /* cmdline set the default */ 1112 osi_linux.cmdline = 1; /* cmdline set the default and override DMI */
1113 osi_linux.dmi = 0;
1077 set_osi_linux(enable); 1114 set_osi_linux(enable);
1078 1115
1079 return; 1116 return;
@@ -1081,15 +1118,12 @@ static void __init acpi_cmdline_osi_linux(unsigned int enable)
1081 1118
1082void __init acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d) 1119void __init acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d)
1083{ 1120{
1084 osi_linux.dmi = 1; /* DMI knows that this box asks OSI(Linux) */
1085
1086 printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident); 1121 printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident);
1087 1122
1088 if (enable == -1) 1123 if (enable == -1)
1089 return; 1124 return;
1090 1125
1091 osi_linux.known = 1; /* DMI knows which OSI(Linux) default needed */ 1126 osi_linux.dmi = 1; /* DMI knows that this box asks OSI(Linux) */
1092
1093 set_osi_linux(enable); 1127 set_osi_linux(enable);
1094 1128
1095 return; 1129 return;
@@ -1104,37 +1138,44 @@ void __init acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d)
1104 */ 1138 */
1105static void __init acpi_osi_setup_late(void) 1139static void __init acpi_osi_setup_late(void)
1106{ 1140{
1107 char *str = osi_setup_string; 1141 struct osi_setup_entry *osi;
1142 char *str;
1143 int i;
1144 acpi_status status;
1108 1145
1109 if (*str == '\0') 1146 for (i = 0; i < OSI_STRING_ENTRIES_MAX; i++) {
1110 return; 1147 osi = &osi_setup_entries[i];
1148 str = osi->string;
1111 1149
1112 if (!strcmp("!Linux", str)) { 1150 if (*str == '\0')
1113 acpi_cmdline_osi_linux(0); /* !enable */ 1151 break;
1114 } else if (*str == '!') { 1152 if (osi->enable) {
1115 if (acpi_remove_interface(++str) == AE_OK) 1153 status = acpi_install_interface(str);
1116 printk(KERN_INFO PREFIX "Deleted _OSI(%s)\n", str); 1154
1117 } else if (!strcmp("Linux", str)) { 1155 if (ACPI_SUCCESS(status))
1118 acpi_cmdline_osi_linux(1); /* enable */ 1156 printk(KERN_INFO PREFIX "Added _OSI(%s)\n", str);
1119 } else { 1157 } else {
1120 if (acpi_install_interface(str) == AE_OK) 1158 status = acpi_remove_interface(str);
1121 printk(KERN_INFO PREFIX "Added _OSI(%s)\n", str); 1159
1160 if (ACPI_SUCCESS(status))
1161 printk(KERN_INFO PREFIX "Deleted _OSI(%s)\n", str);
1162 }
1122 } 1163 }
1123} 1164}
1124 1165
1125int __init acpi_osi_setup(char *str) 1166static int __init osi_setup(char *str)
1126{ 1167{
1127 if (str == NULL || *str == '\0') { 1168 if (str && !strcmp("Linux", str))
1128 printk(KERN_INFO PREFIX "_OSI method disabled\n"); 1169 acpi_cmdline_osi_linux(1);
1129 acpi_gbl_create_osi_method = FALSE; 1170 else if (str && !strcmp("!Linux", str))
1130 } else { 1171 acpi_cmdline_osi_linux(0);
1131 strncpy(osi_setup_string, str, OSI_STRING_LENGTH_MAX); 1172 else
1132 } 1173 acpi_osi_setup(str);
1133 1174
1134 return 1; 1175 return 1;
1135} 1176}
1136 1177
1137__setup("acpi_osi=", acpi_osi_setup); 1178__setup("acpi_osi=", osi_setup);
1138 1179
1139/* enable serialization to combat AE_ALREADY_EXISTS errors */ 1180/* enable serialization to combat AE_ALREADY_EXISTS errors */
1140static int __init acpi_serialize_setup(char *str) 1181static int __init acpi_serialize_setup(char *str)
@@ -1530,7 +1571,7 @@ acpi_status __init acpi_os_initialize(void)
1530 return AE_OK; 1571 return AE_OK;
1531} 1572}
1532 1573
1533acpi_status acpi_os_initialize1(void) 1574acpi_status __init acpi_os_initialize1(void)
1534{ 1575{
1535 kacpid_wq = create_workqueue("kacpid"); 1576 kacpid_wq = create_workqueue("kacpid");
1536 kacpi_notify_wq = create_workqueue("kacpi_notify"); 1577 kacpi_notify_wq = create_workqueue("kacpi_notify");
diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index 67dedeed144c..4c9c2fb5d98f 100644
--- a/drivers/acpi/power.c
+++ b/drivers/acpi/power.c
@@ -213,11 +213,13 @@ static int acpi_power_on(acpi_handle handle)
213 resource->name)); 213 resource->name));
214 } else { 214 } else {
215 result = __acpi_power_on(resource); 215 result = __acpi_power_on(resource);
216 if (result)
217 resource->ref_count--;
216 } 218 }
217 219
218 mutex_unlock(&resource->resource_lock); 220 mutex_unlock(&resource->resource_lock);
219 221
220 return 0; 222 return result;
221} 223}
222 224
223static int acpi_power_off_device(acpi_handle handle) 225static int acpi_power_off_device(acpi_handle handle)
@@ -465,10 +467,12 @@ int acpi_power_transition(struct acpi_device *device, int state)
465 struct acpi_handle_list *tl = NULL; /* Target Resources */ 467 struct acpi_handle_list *tl = NULL; /* Target Resources */
466 int i = 0; 468 int i = 0;
467 469
468
469 if (!device || (state < ACPI_STATE_D0) || (state > ACPI_STATE_D3)) 470 if (!device || (state < ACPI_STATE_D0) || (state > ACPI_STATE_D3))
470 return -EINVAL; 471 return -EINVAL;
471 472
473 if (device->power.state == state)
474 return 0;
475
472 if ((device->power.state < ACPI_STATE_D0) 476 if ((device->power.state < ACPI_STATE_D0)
473 || (device->power.state > ACPI_STATE_D3)) 477 || (device->power.state > ACPI_STATE_D3))
474 return -ENODEV; 478 return -ENODEV;
@@ -488,10 +492,6 @@ int acpi_power_transition(struct acpi_device *device, int state)
488 goto end; 492 goto end;
489 } 493 }
490 494
491 if (device->power.state == state) {
492 goto end;
493 }
494
495 /* 495 /*
496 * Then we dereference all power resources used in the current list. 496 * Then we dereference all power resources used in the current list.
497 */ 497 */
diff --git a/drivers/acpi/processor_thermal.c b/drivers/acpi/processor_thermal.c
index fde49b9b1d99..79cb65332894 100644
--- a/drivers/acpi/processor_thermal.c
+++ b/drivers/acpi/processor_thermal.c
@@ -156,15 +156,6 @@ static int cpufreq_set_cur_state(unsigned int cpu, int state)
156 return 0; 156 return 0;
157} 157}
158 158
159static int acpi_thermal_cpufreq_increase(unsigned int cpu)
160{
161 return -ENODEV;
162}
163static int acpi_thermal_cpufreq_decrease(unsigned int cpu)
164{
165 return -ENODEV;
166}
167
168#endif 159#endif
169 160
170int acpi_processor_get_limit_info(struct acpi_processor *pr) 161int acpi_processor_get_limit_info(struct acpi_processor *pr)
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 2b6c21d86b98..29ef505c487b 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -705,54 +705,85 @@ static int acpi_bus_get_perf_flags(struct acpi_device *device)
705} 705}
706 706
707static acpi_status 707static acpi_status
708acpi_bus_extract_wakeup_device_power_package(struct acpi_device *device, 708acpi_bus_extract_wakeup_device_power_package(acpi_handle handle,
709 union acpi_object *package) 709 struct acpi_device_wakeup *wakeup)
710{ 710{
711 int i = 0; 711 struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
712 union acpi_object *package = NULL;
712 union acpi_object *element = NULL; 713 union acpi_object *element = NULL;
714 acpi_status status;
715 int i = 0;
713 716
714 if (!device || !package || (package->package.count < 2)) 717 if (!wakeup)
715 return AE_BAD_PARAMETER; 718 return AE_BAD_PARAMETER;
716 719
720 /* _PRW */
721 status = acpi_evaluate_object(handle, "_PRW", NULL, &buffer);
722 if (ACPI_FAILURE(status)) {
723 ACPI_EXCEPTION((AE_INFO, status, "Evaluating _PRW"));
724 return status;
725 }
726
727 package = (union acpi_object *)buffer.pointer;
728
729 if (!package || (package->package.count < 2)) {
730 status = AE_BAD_DATA;
731 goto out;
732 }
733
717 element = &(package->package.elements[0]); 734 element = &(package->package.elements[0]);
718 if (!element) 735 if (!element) {
719 return AE_BAD_PARAMETER; 736 status = AE_BAD_DATA;
737 goto out;
738 }
720 if (element->type == ACPI_TYPE_PACKAGE) { 739 if (element->type == ACPI_TYPE_PACKAGE) {
721 if ((element->package.count < 2) || 740 if ((element->package.count < 2) ||
722 (element->package.elements[0].type != 741 (element->package.elements[0].type !=
723 ACPI_TYPE_LOCAL_REFERENCE) 742 ACPI_TYPE_LOCAL_REFERENCE)
724 || (element->package.elements[1].type != ACPI_TYPE_INTEGER)) 743 || (element->package.elements[1].type != ACPI_TYPE_INTEGER)) {
725 return AE_BAD_DATA; 744 status = AE_BAD_DATA;
726 device->wakeup.gpe_device = 745 goto out;
746 }
747 wakeup->gpe_device =
727 element->package.elements[0].reference.handle; 748 element->package.elements[0].reference.handle;
728 device->wakeup.gpe_number = 749 wakeup->gpe_number =
729 (u32) element->package.elements[1].integer.value; 750 (u32) element->package.elements[1].integer.value;
730 } else if (element->type == ACPI_TYPE_INTEGER) { 751 } else if (element->type == ACPI_TYPE_INTEGER) {
731 device->wakeup.gpe_number = element->integer.value; 752 wakeup->gpe_device = NULL;
732 } else 753 wakeup->gpe_number = element->integer.value;
733 return AE_BAD_DATA; 754 } else {
755 status = AE_BAD_DATA;
756 goto out;
757 }
734 758
735 element = &(package->package.elements[1]); 759 element = &(package->package.elements[1]);
736 if (element->type != ACPI_TYPE_INTEGER) { 760 if (element->type != ACPI_TYPE_INTEGER) {
737 return AE_BAD_DATA; 761 status = AE_BAD_DATA;
762 goto out;
738 } 763 }
739 device->wakeup.sleep_state = element->integer.value; 764 wakeup->sleep_state = element->integer.value;
740 765
741 if ((package->package.count - 2) > ACPI_MAX_HANDLES) { 766 if ((package->package.count - 2) > ACPI_MAX_HANDLES) {
742 return AE_NO_MEMORY; 767 status = AE_NO_MEMORY;
768 goto out;
743 } 769 }
744 device->wakeup.resources.count = package->package.count - 2; 770 wakeup->resources.count = package->package.count - 2;
745 for (i = 0; i < device->wakeup.resources.count; i++) { 771 for (i = 0; i < wakeup->resources.count; i++) {
746 element = &(package->package.elements[i + 2]); 772 element = &(package->package.elements[i + 2]);
747 if (element->type != ACPI_TYPE_LOCAL_REFERENCE) 773 if (element->type != ACPI_TYPE_LOCAL_REFERENCE) {
748 return AE_BAD_DATA; 774 status = AE_BAD_DATA;
775 goto out;
776 }
749 777
750 device->wakeup.resources.handles[i] = element->reference.handle; 778 wakeup->resources.handles[i] = element->reference.handle;
751 } 779 }
752 780
753 acpi_gpe_can_wake(device->wakeup.gpe_device, device->wakeup.gpe_number); 781 acpi_gpe_can_wake(wakeup->gpe_device, wakeup->gpe_number);
754 782
755 return AE_OK; 783 out:
784 kfree(buffer.pointer);
785
786 return status;
756} 787}
757 788
758static void acpi_bus_set_run_wake_flags(struct acpi_device *device) 789static void acpi_bus_set_run_wake_flags(struct acpi_device *device)
@@ -787,26 +818,15 @@ static void acpi_bus_set_run_wake_flags(struct acpi_device *device)
787static int acpi_bus_get_wakeup_device_flags(struct acpi_device *device) 818static int acpi_bus_get_wakeup_device_flags(struct acpi_device *device)
788{ 819{
789 acpi_status status = 0; 820 acpi_status status = 0;
790 struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
791 union acpi_object *package = NULL;
792 int psw_error; 821 int psw_error;
793 822
794 /* _PRW */ 823 status = acpi_bus_extract_wakeup_device_power_package(device->handle,
795 status = acpi_evaluate_object(device->handle, "_PRW", NULL, &buffer); 824 &device->wakeup);
796 if (ACPI_FAILURE(status)) {
797 ACPI_EXCEPTION((AE_INFO, status, "Evaluating _PRW"));
798 goto end;
799 }
800
801 package = (union acpi_object *)buffer.pointer;
802 status = acpi_bus_extract_wakeup_device_power_package(device, package);
803 if (ACPI_FAILURE(status)) { 825 if (ACPI_FAILURE(status)) {
804 ACPI_EXCEPTION((AE_INFO, status, "Extracting _PRW package")); 826 ACPI_EXCEPTION((AE_INFO, status, "Extracting _PRW package"));
805 goto end; 827 goto end;
806 } 828 }
807 829
808 kfree(buffer.pointer);
809
810 device->wakeup.flags.valid = 1; 830 device->wakeup.flags.valid = 1;
811 device->wakeup.prepare_count = 0; 831 device->wakeup.prepare_count = 0;
812 acpi_bus_set_run_wake_flags(device); 832 acpi_bus_set_run_wake_flags(device);
@@ -1351,6 +1371,7 @@ static acpi_status acpi_bus_check_add(acpi_handle handle, u32 lvl,
1351 struct acpi_bus_ops *ops = context; 1371 struct acpi_bus_ops *ops = context;
1352 int type; 1372 int type;
1353 unsigned long long sta; 1373 unsigned long long sta;
1374 struct acpi_device_wakeup wakeup;
1354 struct acpi_device *device; 1375 struct acpi_device *device;
1355 acpi_status status; 1376 acpi_status status;
1356 int result; 1377 int result;
@@ -1360,8 +1381,10 @@ static acpi_status acpi_bus_check_add(acpi_handle handle, u32 lvl,
1360 return AE_OK; 1381 return AE_OK;
1361 1382
1362 if (!(sta & ACPI_STA_DEVICE_PRESENT) && 1383 if (!(sta & ACPI_STA_DEVICE_PRESENT) &&
1363 !(sta & ACPI_STA_DEVICE_FUNCTIONING)) 1384 !(sta & ACPI_STA_DEVICE_FUNCTIONING)) {
1385 acpi_bus_extract_wakeup_device_power_package(handle, &wakeup);
1364 return AE_CTRL_DEPTH; 1386 return AE_CTRL_DEPTH;
1387 }
1365 1388
1366 /* 1389 /*
1367 * We may already have an acpi_device from a previous enumeration. If 1390 * We may already have an acpi_device from a previous enumeration. If
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 721d93b3ceee..febb153b5a68 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -27,8 +27,6 @@
27 27
28static u8 sleep_states[ACPI_S_STATE_COUNT]; 28static u8 sleep_states[ACPI_S_STATE_COUNT];
29 29
30static u32 acpi_target_sleep_state = ACPI_STATE_S0;
31
32static void acpi_sleep_tts_switch(u32 acpi_state) 30static void acpi_sleep_tts_switch(u32 acpi_state)
33{ 31{
34 union acpi_object in_arg = { ACPI_TYPE_INTEGER }; 32 union acpi_object in_arg = { ACPI_TYPE_INTEGER };
@@ -81,6 +79,8 @@ static int acpi_sleep_prepare(u32 acpi_state)
81} 79}
82 80
83#ifdef CONFIG_ACPI_SLEEP 81#ifdef CONFIG_ACPI_SLEEP
82static u32 acpi_target_sleep_state = ACPI_STATE_S0;
83
84/* 84/*
85 * The ACPI specification wants us to save NVS memory regions during hibernation 85 * The ACPI specification wants us to save NVS memory regions during hibernation
86 * and to restore them during the subsequent resume. Windows does that also for 86 * and to restore them during the subsequent resume. Windows does that also for
@@ -427,6 +427,14 @@ static struct dmi_system_id __initdata acpisleep_dmi_table[] = {
427 DMI_MATCH(DMI_PRODUCT_NAME, "VPCEB1Z1E"), 427 DMI_MATCH(DMI_PRODUCT_NAME, "VPCEB1Z1E"),
428 }, 428 },
429 }, 429 },
430 {
431 .callback = init_nvs_nosave,
432 .ident = "Sony Vaio VGN-NW130D",
433 .matches = {
434 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
435 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NW130D"),
436 },
437 },
430 {}, 438 {},
431}; 439};
432#endif /* CONFIG_SUSPEND */ 440#endif /* CONFIG_SUSPEND */