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authorLinus Torvalds <torvalds@linux-foundation.org>2008-06-11 20:16:32 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-06-11 20:16:32 -0400
commitda50ccc6a0f32ad29c1168837330a78e6e2e2923 (patch)
tree26b04cc168e1ad98a308f2771e913f213f46b5ac /drivers
parenta4df1ac12dd2d2812713a5fdd56af954d1bc251d (diff)
parent3549dba2c334e82df90f5e00ff85d2a7a2cdd1af (diff)
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (23 commits) ACPICA: fix stray va_end() caused by mis-merge ACPI: Reject below-freezing temperatures as invalid critical temperatures ACPICA: Fix for access to deleted object <regression> ACPICA: Fix to make _SST method optional ACPICA: Fix for Load operator, load table at the namespace root ACPICA: Ignore ACPI table signature for Load() operator ACPICA: Fix to allow zero-length ASL field declarations ACPI: use memory_read_from_buffer() bay: exit if notify handler cannot be installed dock.c remove trailing printk whitespace proper prototype for acpi_processor_tstate_has_changed() ACPI: handle invalid ACPI SLIT table PNPACPI: use _CRS IRQ descriptor length for _SRS pnpacpi: fix shareable IRQ encode/decode pnpacpi: fix IRQ flag decoding MAINTAINERS: update ACPI homepage ACPI 2.6.26-rc2: Add missing newline to DSDT/SSDT warning message ACPI: EC: Use msleep instead of udelay while waiting for event. thinkpad-acpi: fix LED handling on older ThinkPads thinkpad-acpi: fix initialization error paths ...
Diffstat (limited to 'drivers')
-rw-r--r--drivers/acpi/bay.c16
-rw-r--r--drivers/acpi/dispatcher/dsfield.c5
-rw-r--r--drivers/acpi/dock.c2
-rw-r--r--drivers/acpi/ec.c2
-rw-r--r--drivers/acpi/executer/exconfig.c10
-rw-r--r--drivers/acpi/glue.c6
-rw-r--r--drivers/acpi/hardware/hwsleep.c8
-rw-r--r--drivers/acpi/numa.c31
-rw-r--r--drivers/acpi/parser/psargs.c4
-rw-r--r--drivers/acpi/processor_core.c1
-rw-r--r--drivers/acpi/processor_idle.c13
-rw-r--r--drivers/acpi/sleep/proc.c6
-rw-r--r--drivers/acpi/system.c15
-rw-r--r--drivers/acpi/tables/tbinstal.c25
-rw-r--r--drivers/acpi/tables/tbxface.c2
-rw-r--r--drivers/acpi/thermal.c11
-rw-r--r--drivers/acpi/utilities/utmisc.c2
-rw-r--r--drivers/cpuidle/cpuidle.c40
-rw-r--r--drivers/misc/thinkpad_acpi.c494
-rw-r--r--drivers/pnp/pnpacpi/rsparser.c46
20 files changed, 417 insertions, 322 deletions
diff --git a/drivers/acpi/bay.c b/drivers/acpi/bay.c
index d2fc94161848..26038c2a2a71 100644
--- a/drivers/acpi/bay.c
+++ b/drivers/acpi/bay.c
@@ -301,16 +301,20 @@ static int bay_add(acpi_handle handle, int id)
301 */ 301 */
302 pdev->dev.uevent_suppress = 0; 302 pdev->dev.uevent_suppress = 0;
303 303
304 if (acpi_bay_add_fs(new_bay)) {
305 platform_device_unregister(new_bay->pdev);
306 goto bay_add_err;
307 }
308
309 /* register for events on this device */ 304 /* register for events on this device */
310 status = acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY, 305 status = acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
311 bay_notify, new_bay); 306 bay_notify, new_bay);
312 if (ACPI_FAILURE(status)) { 307 if (ACPI_FAILURE(status)) {
313 printk(KERN_ERR PREFIX "Error installing bay notify handler\n"); 308 printk(KERN_INFO PREFIX "Error installing bay notify handler\n");
309 platform_device_unregister(new_bay->pdev);
310 goto bay_add_err;
311 }
312
313 if (acpi_bay_add_fs(new_bay)) {
314 acpi_remove_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
315 bay_notify);
316 platform_device_unregister(new_bay->pdev);
317 goto bay_add_err;
314 } 318 }
315 319
316 /* if we are on a dock station, we should register for dock 320 /* if we are on a dock station, we should register for dock
diff --git a/drivers/acpi/dispatcher/dsfield.c b/drivers/acpi/dispatcher/dsfield.c
index c78078315be9..f988a5e7d2b4 100644
--- a/drivers/acpi/dispatcher/dsfield.c
+++ b/drivers/acpi/dispatcher/dsfield.c
@@ -450,10 +450,6 @@ acpi_ds_init_field_objects(union acpi_parse_object *op,
450 return_ACPI_STATUS(AE_BAD_PARAMETER); 450 return_ACPI_STATUS(AE_BAD_PARAMETER);
451 } 451 }
452 452
453 if (!arg) {
454 return_ACPI_STATUS(AE_AML_NO_OPERAND);
455 }
456
457 /* Creating new namespace node(s), should not already exist */ 453 /* Creating new namespace node(s), should not already exist */
458 454
459 flags = ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE | 455 flags = ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE |
@@ -467,6 +463,7 @@ acpi_ds_init_field_objects(union acpi_parse_object *op,
467 463
468 /* 464 /*
469 * Walk the list of entries in the field_list 465 * Walk the list of entries in the field_list
466 * Note: field_list can be of zero length. In this case, Arg will be NULL.
470 */ 467 */
471 while (arg) { 468 while (arg) {
472 /* 469 /*
diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
index fa44fb96fc34..96c542f7fded 100644
--- a/drivers/acpi/dock.c
+++ b/drivers/acpi/dock.c
@@ -834,7 +834,7 @@ static int dock_add(acpi_handle handle)
834 goto dock_add_err; 834 goto dock_add_err;
835 } 835 }
836 836
837 printk(KERN_INFO PREFIX "%s \n", ACPI_DOCK_DRIVER_DESCRIPTION); 837 printk(KERN_INFO PREFIX "%s\n", ACPI_DOCK_DRIVER_DESCRIPTION);
838 838
839 return 0; 839 return 0;
840 840
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 0924992187e8..5622aee996b2 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -194,7 +194,7 @@ static int acpi_ec_wait(struct acpi_ec *ec, enum ec_event event, int force_poll)
194 while (time_before(jiffies, delay)) { 194 while (time_before(jiffies, delay)) {
195 if (acpi_ec_check_status(ec, event)) 195 if (acpi_ec_check_status(ec, event))
196 return 0; 196 return 0;
197 udelay(ACPI_EC_UDELAY); 197 msleep(1);
198 } 198 }
199 } 199 }
200 pr_err(PREFIX "acpi_ec_wait timeout, status = 0x%2.2x, event = %s\n", 200 pr_err(PREFIX "acpi_ec_wait timeout, status = 0x%2.2x, event = %s\n",
diff --git a/drivers/acpi/executer/exconfig.c b/drivers/acpi/executer/exconfig.c
index 24da921d13e3..39d742190584 100644
--- a/drivers/acpi/executer/exconfig.c
+++ b/drivers/acpi/executer/exconfig.c
@@ -375,9 +375,15 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
375 goto cleanup; 375 goto cleanup;
376 } 376 }
377 377
378 /*
379 * Add the table to the namespace.
380 *
381 * Note: We load the table objects relative to the root of the namespace.
382 * This appears to go against the ACPI specification, but we do it for
383 * compatibility with other ACPI implementations.
384 */
378 status = 385 status =
379 acpi_ex_add_table(table_index, walk_state->scope_info->scope.node, 386 acpi_ex_add_table(table_index, acpi_gbl_root_node, &ddb_handle);
380 &ddb_handle);
381 if (ACPI_FAILURE(status)) { 387 if (ACPI_FAILURE(status)) {
382 388
383 /* On error, table_ptr was deallocated above */ 389 /* On error, table_ptr was deallocated above */
diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c
index 06f8634fe58b..2808dc60fd67 100644
--- a/drivers/acpi/glue.c
+++ b/drivers/acpi/glue.c
@@ -272,6 +272,12 @@ static u32 rtc_handler(void *context)
272static inline void rtc_wake_setup(void) 272static inline void rtc_wake_setup(void)
273{ 273{
274 acpi_install_fixed_event_handler(ACPI_EVENT_RTC, rtc_handler, NULL); 274 acpi_install_fixed_event_handler(ACPI_EVENT_RTC, rtc_handler, NULL);
275 /*
276 * After the RTC handler is installed, the Fixed_RTC event should
277 * be disabled. Only when the RTC alarm is set will it be enabled.
278 */
279 acpi_clear_event(ACPI_EVENT_RTC);
280 acpi_disable_event(ACPI_EVENT_RTC, 0);
275} 281}
276 282
277static void rtc_wake_on(struct device *dev) 283static void rtc_wake_on(struct device *dev)
diff --git a/drivers/acpi/hardware/hwsleep.c b/drivers/acpi/hardware/hwsleep.c
index d9937e05ec6a..dba3cfbe8cba 100644
--- a/drivers/acpi/hardware/hwsleep.c
+++ b/drivers/acpi/hardware/hwsleep.c
@@ -223,15 +223,17 @@ acpi_status acpi_enter_sleep_state_prep(u8 sleep_state)
223 break; 223 break;
224 } 224 }
225 225
226 /* Set the system indicators to show the desired sleep state. */ 226 /*
227 227 * Set the system indicators to show the desired sleep state.
228 * _SST is an optional method (return no error if not found)
229 */
228 status = acpi_evaluate_object(NULL, METHOD_NAME__SST, &arg_list, NULL); 230 status = acpi_evaluate_object(NULL, METHOD_NAME__SST, &arg_list, NULL);
229 if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) { 231 if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
230 ACPI_EXCEPTION((AE_INFO, status, 232 ACPI_EXCEPTION((AE_INFO, status,
231 "While executing method _SST")); 233 "While executing method _SST"));
232 } 234 }
233 235
234 return_ACPI_STATUS(status); 236 return_ACPI_STATUS(AE_OK);
235} 237}
236 238
237ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state_prep) 239ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state_prep)
diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c
index 5d59cb33b1a5..658e5f3abae0 100644
--- a/drivers/acpi/numa.c
+++ b/drivers/acpi/numa.c
@@ -140,19 +140,42 @@ acpi_table_print_srat_entry(struct acpi_subtable_header *header)
140 } 140 }
141} 141}
142 142
143/*
144 * A lot of BIOS fill in 10 (= no distance) everywhere. This messes
145 * up the NUMA heuristics which wants the local node to have a smaller
146 * distance than the others.
147 * Do some quick checks here and only use the SLIT if it passes.
148 */
149static __init int slit_valid(struct acpi_table_slit *slit)
150{
151 int i, j;
152 int d = slit->locality_count;
153 for (i = 0; i < d; i++) {
154 for (j = 0; j < d; j++) {
155 u8 val = slit->entry[d*i + j];
156 if (i == j) {
157 if (val != LOCAL_DISTANCE)
158 return 0;
159 } else if (val <= LOCAL_DISTANCE)
160 return 0;
161 }
162 }
163 return 1;
164}
165
143static int __init acpi_parse_slit(struct acpi_table_header *table) 166static int __init acpi_parse_slit(struct acpi_table_header *table)
144{ 167{
145 struct acpi_table_slit *slit; 168 struct acpi_table_slit *slit;
146 u32 localities;
147 169
148 if (!table) 170 if (!table)
149 return -EINVAL; 171 return -EINVAL;
150 172
151 slit = (struct acpi_table_slit *)table; 173 slit = (struct acpi_table_slit *)table;
152 174
153 /* downcast just for %llu vs %lu for i386/ia64 */ 175 if (!slit_valid(slit)) {
154 localities = (u32) slit->locality_count; 176 printk(KERN_INFO "ACPI: SLIT table looks invalid. Not used.\n");
155 177 return -EINVAL;
178 }
156 acpi_numa_slit_init(slit); 179 acpi_numa_slit_init(slit);
157 180
158 return 0; 181 return 0;
diff --git a/drivers/acpi/parser/psargs.c b/drivers/acpi/parser/psargs.c
index f1e8bf65e24e..e94463778845 100644
--- a/drivers/acpi/parser/psargs.c
+++ b/drivers/acpi/parser/psargs.c
@@ -268,7 +268,7 @@ acpi_ps_get_next_namepath(struct acpi_walk_state *walk_state,
268 */ 268 */
269 if (ACPI_SUCCESS(status) && 269 if (ACPI_SUCCESS(status) &&
270 possible_method_call && (node->type == ACPI_TYPE_METHOD)) { 270 possible_method_call && (node->type == ACPI_TYPE_METHOD)) {
271 if (walk_state->op->common.aml_opcode == AML_UNLOAD_OP) { 271 if (walk_state->opcode == AML_UNLOAD_OP) {
272 /* 272 /*
273 * acpi_ps_get_next_namestring has increased the AML pointer, 273 * acpi_ps_get_next_namestring has increased the AML pointer,
274 * so we need to restore the saved AML pointer for method call. 274 * so we need to restore the saved AML pointer for method call.
@@ -691,7 +691,7 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state,
691 691
692 /* To support super_name arg of Unload */ 692 /* To support super_name arg of Unload */
693 693
694 if (walk_state->op->common.aml_opcode == AML_UNLOAD_OP) { 694 if (walk_state->opcode == AML_UNLOAD_OP) {
695 status = 695 status =
696 acpi_ps_get_next_namepath(walk_state, 696 acpi_ps_get_next_namepath(walk_state,
697 parser_state, arg, 697 parser_state, arg,
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index 386e5aa48834..9dd0fa93b9e1 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -86,7 +86,6 @@ static int acpi_processor_info_open_fs(struct inode *inode, struct file *file);
86static void acpi_processor_notify(acpi_handle handle, u32 event, void *data); 86static void acpi_processor_notify(acpi_handle handle, u32 event, void *data);
87static acpi_status acpi_processor_hotadd_init(acpi_handle handle, int *p_cpu); 87static acpi_status acpi_processor_hotadd_init(acpi_handle handle, int *p_cpu);
88static int acpi_processor_handle_eject(struct acpi_processor *pr); 88static int acpi_processor_handle_eject(struct acpi_processor *pr);
89extern int acpi_processor_tstate_has_changed(struct acpi_processor *pr);
90 89
91 90
92static const struct acpi_device_id processor_device_ids[] = { 91static const struct acpi_device_id processor_device_ids[] = {
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 2dd2c1f3a01c..556ee1585192 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -1669,6 +1669,7 @@ static int acpi_processor_setup_cpuidle(struct acpi_processor *pr)
1669 return -EINVAL; 1669 return -EINVAL;
1670 } 1670 }
1671 1671
1672 dev->cpu = pr->id;
1672 for (i = 0; i < CPUIDLE_STATE_MAX; i++) { 1673 for (i = 0; i < CPUIDLE_STATE_MAX; i++) {
1673 dev->states[i].name[0] = '\0'; 1674 dev->states[i].name[0] = '\0';
1674 dev->states[i].desc[0] = '\0'; 1675 dev->states[i].desc[0] = '\0';
@@ -1738,7 +1739,7 @@ static int acpi_processor_setup_cpuidle(struct acpi_processor *pr)
1738 1739
1739int acpi_processor_cst_has_changed(struct acpi_processor *pr) 1740int acpi_processor_cst_has_changed(struct acpi_processor *pr)
1740{ 1741{
1741 int ret; 1742 int ret = 0;
1742 1743
1743 if (boot_option_idle_override) 1744 if (boot_option_idle_override)
1744 return 0; 1745 return 0;
@@ -1756,8 +1757,10 @@ int acpi_processor_cst_has_changed(struct acpi_processor *pr)
1756 cpuidle_pause_and_lock(); 1757 cpuidle_pause_and_lock();
1757 cpuidle_disable_device(&pr->power.dev); 1758 cpuidle_disable_device(&pr->power.dev);
1758 acpi_processor_get_power_info(pr); 1759 acpi_processor_get_power_info(pr);
1759 acpi_processor_setup_cpuidle(pr); 1760 if (pr->flags.power) {
1760 ret = cpuidle_enable_device(&pr->power.dev); 1761 acpi_processor_setup_cpuidle(pr);
1762 ret = cpuidle_enable_device(&pr->power.dev);
1763 }
1761 cpuidle_resume_and_unlock(); 1764 cpuidle_resume_and_unlock();
1762 1765
1763 return ret; 1766 return ret;
@@ -1813,7 +1816,6 @@ int __cpuinit acpi_processor_power_init(struct acpi_processor *pr,
1813 if (pr->flags.power) { 1816 if (pr->flags.power) {
1814#ifdef CONFIG_CPU_IDLE 1817#ifdef CONFIG_CPU_IDLE
1815 acpi_processor_setup_cpuidle(pr); 1818 acpi_processor_setup_cpuidle(pr);
1816 pr->power.dev.cpu = pr->id;
1817 if (cpuidle_register_device(&pr->power.dev)) 1819 if (cpuidle_register_device(&pr->power.dev))
1818 return -EIO; 1820 return -EIO;
1819#endif 1821#endif
@@ -1850,8 +1852,7 @@ int acpi_processor_power_exit(struct acpi_processor *pr,
1850 return 0; 1852 return 0;
1851 1853
1852#ifdef CONFIG_CPU_IDLE 1854#ifdef CONFIG_CPU_IDLE
1853 if (pr->flags.power) 1855 cpuidle_unregister_device(&pr->power.dev);
1854 cpuidle_unregister_device(&pr->power.dev);
1855#endif 1856#endif
1856 pr->flags.power_setup_done = 0; 1857 pr->flags.power_setup_done = 0;
1857 1858
diff --git a/drivers/acpi/sleep/proc.c b/drivers/acpi/sleep/proc.c
index 8a5fe8710513..224c57c03381 100644
--- a/drivers/acpi/sleep/proc.c
+++ b/drivers/acpi/sleep/proc.c
@@ -495,6 +495,12 @@ static int __init acpi_sleep_proc_init(void)
495 acpi_root_dir, &acpi_system_alarm_fops); 495 acpi_root_dir, &acpi_system_alarm_fops);
496 496
497 acpi_install_fixed_event_handler(ACPI_EVENT_RTC, rtc_handler, NULL); 497 acpi_install_fixed_event_handler(ACPI_EVENT_RTC, rtc_handler, NULL);
498 /*
499 * Disable the RTC event after installing RTC handler.
500 * Only when RTC alarm is set will it be enabled.
501 */
502 acpi_clear_event(ACPI_EVENT_RTC);
503 acpi_disable_event(ACPI_EVENT_RTC, 0);
498#endif /* HAVE_ACPI_LEGACY_ALARM */ 504#endif /* HAVE_ACPI_LEGACY_ALARM */
499 505
500 /* 'wakeup device' [R/W] */ 506 /* 'wakeup device' [R/W] */
diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c
index 769f24855eb6..5bd2dec9a7ac 100644
--- a/drivers/acpi/system.c
+++ b/drivers/acpi/system.c
@@ -77,7 +77,6 @@ static ssize_t acpi_table_show(struct kobject *kobj,
77 container_of(bin_attr, struct acpi_table_attr, attr); 77 container_of(bin_attr, struct acpi_table_attr, attr);
78 struct acpi_table_header *table_header = NULL; 78 struct acpi_table_header *table_header = NULL;
79 acpi_status status; 79 acpi_status status;
80 ssize_t ret_count = count;
81 80
82 status = 81 status =
83 acpi_get_table(table_attr->name, table_attr->instance, 82 acpi_get_table(table_attr->name, table_attr->instance,
@@ -85,18 +84,8 @@ static ssize_t acpi_table_show(struct kobject *kobj,
85 if (ACPI_FAILURE(status)) 84 if (ACPI_FAILURE(status))
86 return -ENODEV; 85 return -ENODEV;
87 86
88 if (offset >= table_header->length) { 87 return memory_read_from_buffer(buf, count, &offset,
89 ret_count = 0; 88 table_header, table_header->length);
90 goto end;
91 }
92
93 if (offset + ret_count > table_header->length)
94 ret_count = table_header->length - offset;
95
96 memcpy(buf, ((char *)table_header) + offset, ret_count);
97
98 end:
99 return ret_count;
100} 89}
101 90
102static void acpi_table_attr_init(struct acpi_table_attr *table_attr, 91static void acpi_table_attr_init(struct acpi_table_attr *table_attr,
diff --git a/drivers/acpi/tables/tbinstal.c b/drivers/acpi/tables/tbinstal.c
index 402f93e1ff20..5336ce88f89f 100644
--- a/drivers/acpi/tables/tbinstal.c
+++ b/drivers/acpi/tables/tbinstal.c
@@ -123,24 +123,13 @@ acpi_tb_add_table(struct acpi_table_desc *table_desc,
123 } 123 }
124 } 124 }
125 125
126 /* The table must be either an SSDT or a PSDT or an OEMx */ 126 /*
127 127 * Originally, we checked the table signature for "SSDT" or "PSDT" here.
128 if (!ACPI_COMPARE_NAME(table_desc->pointer->signature, ACPI_SIG_PSDT)&& 128 * Next, we added support for OEMx tables, signature "OEM".
129 !ACPI_COMPARE_NAME(table_desc->pointer->signature, ACPI_SIG_SSDT)&& 129 * Valid tables were encountered with a null signature, so we've just
130 strncmp(table_desc->pointer->signature, "OEM", 3)) { 130 * given up on validating the signature, since it seems to be a waste
131 /* Check for a printable name */ 131 * of code. The original code was removed (05/2008).
132 if (acpi_ut_valid_acpi_name( 132 */
133 *(u32 *) table_desc->pointer->signature)) {
134 ACPI_ERROR((AE_INFO, "Table has invalid signature "
135 "[%4.4s], must be SSDT or PSDT",
136 table_desc->pointer->signature));
137 } else {
138 ACPI_ERROR((AE_INFO, "Table has invalid signature "
139 "(0x%8.8X), must be SSDT or PSDT",
140 *(u32 *) table_desc->pointer->signature));
141 }
142 return_ACPI_STATUS(AE_BAD_SIGNATURE);
143 }
144 133
145 (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); 134 (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
146 135
diff --git a/drivers/acpi/tables/tbxface.c b/drivers/acpi/tables/tbxface.c
index fb57b93c2495..0e319604d3e7 100644
--- a/drivers/acpi/tables/tbxface.c
+++ b/drivers/acpi/tables/tbxface.c
@@ -540,7 +540,7 @@ static acpi_status acpi_tb_load_namespace(void)
540 acpi_tb_print_table_header(0, table); 540 acpi_tb_print_table_header(0, table);
541 541
542 if (no_auto_ssdt == 0) { 542 if (no_auto_ssdt == 0) {
543 printk(KERN_WARNING "ACPI: DSDT override uses original SSDTs unless \"acpi_no_auto_ssdt\""); 543 printk(KERN_WARNING "ACPI: DSDT override uses original SSDTs unless \"acpi_no_auto_ssdt\"\n");
544 } 544 }
545 } 545 }
546 546
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index 504385b1f211..84c795fb9b1e 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -364,10 +364,17 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
364 if (flag & ACPI_TRIPS_CRITICAL) { 364 if (flag & ACPI_TRIPS_CRITICAL) {
365 status = acpi_evaluate_integer(tz->device->handle, 365 status = acpi_evaluate_integer(tz->device->handle,
366 "_CRT", NULL, &tz->trips.critical.temperature); 366 "_CRT", NULL, &tz->trips.critical.temperature);
367 if (ACPI_FAILURE(status)) { 367 /*
368 * Treat freezing temperatures as invalid as well; some
369 * BIOSes return really low values and cause reboots at startup.
370 * Below zero (Celcius) values clearly aren't right for sure..
371 * ... so lets discard those as invalid.
372 */
373 if (ACPI_FAILURE(status) ||
374 tz->trips.critical.temperature <= 2732) {
368 tz->trips.critical.flags.valid = 0; 375 tz->trips.critical.flags.valid = 0;
369 ACPI_EXCEPTION((AE_INFO, status, 376 ACPI_EXCEPTION((AE_INFO, status,
370 "No critical threshold")); 377 "No or invalid critical threshold"));
371 return -ENODEV; 378 return -ENODEV;
372 } else { 379 } else {
373 tz->trips.critical.flags.valid = 1; 380 tz->trips.critical.flags.valid = 1;
diff --git a/drivers/acpi/utilities/utmisc.c b/drivers/acpi/utilities/utmisc.c
index e4ba7192cd15..1f057b71db1a 100644
--- a/drivers/acpi/utilities/utmisc.c
+++ b/drivers/acpi/utilities/utmisc.c
@@ -1048,6 +1048,7 @@ acpi_ut_exception(char *module_name,
1048 va_start(args, format); 1048 va_start(args, format);
1049 acpi_os_vprintf(format, args); 1049 acpi_os_vprintf(format, args);
1050 acpi_os_printf(" [%X]\n", ACPI_CA_VERSION); 1050 acpi_os_printf(" [%X]\n", ACPI_CA_VERSION);
1051 va_end(args);
1051} 1052}
1052 1053
1053EXPORT_SYMBOL(acpi_ut_exception); 1054EXPORT_SYMBOL(acpi_ut_exception);
@@ -1063,7 +1064,6 @@ acpi_ut_warning(char *module_name, u32 line_number, char *format, ...)
1063 acpi_os_vprintf(format, args); 1064 acpi_os_vprintf(format, args);
1064 acpi_os_printf(" [%X]\n", ACPI_CA_VERSION); 1065 acpi_os_printf(" [%X]\n", ACPI_CA_VERSION);
1065 va_end(args); 1066 va_end(args);
1066 va_end(args);
1067} 1067}
1068 1068
1069void ACPI_INTERNAL_VAR_XFACE 1069void ACPI_INTERNAL_VAR_XFACE
diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c
index fc555a90bb21..23554b676d6e 100644
--- a/drivers/cpuidle/cpuidle.c
+++ b/drivers/cpuidle/cpuidle.c
@@ -38,6 +38,8 @@ static void cpuidle_kick_cpus(void)
38static void cpuidle_kick_cpus(void) {} 38static void cpuidle_kick_cpus(void) {}
39#endif 39#endif
40 40
41static int __cpuidle_register_device(struct cpuidle_device *dev);
42
41/** 43/**
42 * cpuidle_idle_call - the main idle loop 44 * cpuidle_idle_call - the main idle loop
43 * 45 *
@@ -138,6 +140,12 @@ int cpuidle_enable_device(struct cpuidle_device *dev)
138 if (!dev->state_count) 140 if (!dev->state_count)
139 return -EINVAL; 141 return -EINVAL;
140 142
143 if (dev->registered == 0) {
144 ret = __cpuidle_register_device(dev);
145 if (ret)
146 return ret;
147 }
148
141 if ((ret = cpuidle_add_state_sysfs(dev))) 149 if ((ret = cpuidle_add_state_sysfs(dev)))
142 return ret; 150 return ret;
143 151
@@ -232,10 +240,13 @@ static void poll_idle_init(struct cpuidle_device *dev) {}
232#endif /* CONFIG_ARCH_HAS_CPU_RELAX */ 240#endif /* CONFIG_ARCH_HAS_CPU_RELAX */
233 241
234/** 242/**
235 * cpuidle_register_device - registers a CPU's idle PM feature 243 * __cpuidle_register_device - internal register function called before register
244 * and enable routines
236 * @dev: the cpu 245 * @dev: the cpu
246 *
247 * cpuidle_lock mutex must be held before this is called
237 */ 248 */
238int cpuidle_register_device(struct cpuidle_device *dev) 249static int __cpuidle_register_device(struct cpuidle_device *dev)
239{ 250{
240 int ret; 251 int ret;
241 struct sys_device *sys_dev = get_cpu_sysdev((unsigned long)dev->cpu); 252 struct sys_device *sys_dev = get_cpu_sysdev((unsigned long)dev->cpu);
@@ -247,18 +258,34 @@ int cpuidle_register_device(struct cpuidle_device *dev)
247 258
248 init_completion(&dev->kobj_unregister); 259 init_completion(&dev->kobj_unregister);
249 260
250 mutex_lock(&cpuidle_lock);
251
252 poll_idle_init(dev); 261 poll_idle_init(dev);
253 262
254 per_cpu(cpuidle_devices, dev->cpu) = dev; 263 per_cpu(cpuidle_devices, dev->cpu) = dev;
255 list_add(&dev->device_list, &cpuidle_detected_devices); 264 list_add(&dev->device_list, &cpuidle_detected_devices);
256 if ((ret = cpuidle_add_sysfs(sys_dev))) { 265 if ((ret = cpuidle_add_sysfs(sys_dev))) {
257 mutex_unlock(&cpuidle_lock);
258 module_put(cpuidle_curr_driver->owner); 266 module_put(cpuidle_curr_driver->owner);
259 return ret; 267 return ret;
260 } 268 }
261 269
270 dev->registered = 1;
271 return 0;
272}
273
274/**
275 * cpuidle_register_device - registers a CPU's idle PM feature
276 * @dev: the cpu
277 */
278int cpuidle_register_device(struct cpuidle_device *dev)
279{
280 int ret;
281
282 mutex_lock(&cpuidle_lock);
283
284 if ((ret = __cpuidle_register_device(dev))) {
285 mutex_unlock(&cpuidle_lock);
286 return ret;
287 }
288
262 cpuidle_enable_device(dev); 289 cpuidle_enable_device(dev);
263 cpuidle_install_idle_handler(); 290 cpuidle_install_idle_handler();
264 291
@@ -278,6 +305,9 @@ void cpuidle_unregister_device(struct cpuidle_device *dev)
278{ 305{
279 struct sys_device *sys_dev = get_cpu_sysdev((unsigned long)dev->cpu); 306 struct sys_device *sys_dev = get_cpu_sysdev((unsigned long)dev->cpu);
280 307
308 if (dev->registered == 0)
309 return;
310
281 cpuidle_pause_and_lock(); 311 cpuidle_pause_and_lock();
282 312
283 cpuidle_disable_device(dev); 313 cpuidle_disable_device(dev);
diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c
index a0ce0b2fa03e..b5969298f3d3 100644
--- a/drivers/misc/thinkpad_acpi.c
+++ b/drivers/misc/thinkpad_acpi.c
@@ -1293,7 +1293,7 @@ static void tpacpi_input_send_radiosw(void)
1293 mutex_lock(&tpacpi_inputdev_send_mutex); 1293 mutex_lock(&tpacpi_inputdev_send_mutex);
1294 1294
1295 input_report_switch(tpacpi_inputdev, 1295 input_report_switch(tpacpi_inputdev,
1296 SW_RADIO, !!wlsw); 1296 SW_RFKILL_ALL, !!wlsw);
1297 input_sync(tpacpi_inputdev); 1297 input_sync(tpacpi_inputdev);
1298 1298
1299 mutex_unlock(&tpacpi_inputdev_send_mutex); 1299 mutex_unlock(&tpacpi_inputdev_send_mutex);
@@ -1921,6 +1921,29 @@ static struct attribute *hotkey_mask_attributes[] __initdata = {
1921 &dev_attr_hotkey_wakeup_hotunplug_complete.attr, 1921 &dev_attr_hotkey_wakeup_hotunplug_complete.attr,
1922}; 1922};
1923 1923
1924static void hotkey_exit(void)
1925{
1926#ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL
1927 hotkey_poll_stop_sync();
1928#endif
1929
1930 if (hotkey_dev_attributes)
1931 delete_attr_set(hotkey_dev_attributes, &tpacpi_pdev->dev.kobj);
1932
1933 kfree(hotkey_keycode_map);
1934
1935 if (tp_features.hotkey) {
1936 dbg_printk(TPACPI_DBG_EXIT,
1937 "restoring original hot key mask\n");
1938 /* no short-circuit boolean operator below! */
1939 if ((hotkey_mask_set(hotkey_orig_mask) |
1940 hotkey_status_set(hotkey_orig_status)) != 0)
1941 printk(TPACPI_ERR
1942 "failed to restore hot key mask "
1943 "to BIOS defaults\n");
1944 }
1945}
1946
1924static int __init hotkey_init(struct ibm_init_struct *iibm) 1947static int __init hotkey_init(struct ibm_init_struct *iibm)
1925{ 1948{
1926 /* Requirements for changing the default keymaps: 1949 /* Requirements for changing the default keymaps:
@@ -2060,226 +2083,220 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
2060 vdbg_printk(TPACPI_DBG_INIT, "hotkeys are %s\n", 2083 vdbg_printk(TPACPI_DBG_INIT, "hotkeys are %s\n",
2061 str_supported(tp_features.hotkey)); 2084 str_supported(tp_features.hotkey));
2062 2085
2063 if (tp_features.hotkey) { 2086 if (!tp_features.hotkey)
2064 hotkey_dev_attributes = create_attr_set(13, NULL); 2087 return 1;
2065 if (!hotkey_dev_attributes)
2066 return -ENOMEM;
2067 res = add_many_to_attr_set(hotkey_dev_attributes,
2068 hotkey_attributes,
2069 ARRAY_SIZE(hotkey_attributes));
2070 if (res)
2071 return res;
2072 2088
2073 /* mask not supported on 570, 600e/x, 770e, 770x, A21e, A2xm/p, 2089 hotkey_dev_attributes = create_attr_set(13, NULL);
2074 A30, R30, R31, T20-22, X20-21, X22-24. Detected by checking 2090 if (!hotkey_dev_attributes)
2075 for HKEY interface version 0x100 */ 2091 return -ENOMEM;
2076 if (acpi_evalf(hkey_handle, &hkeyv, "MHKV", "qd")) { 2092 res = add_many_to_attr_set(hotkey_dev_attributes,
2077 if ((hkeyv >> 8) != 1) { 2093 hotkey_attributes,
2078 printk(TPACPI_ERR "unknown version of the " 2094 ARRAY_SIZE(hotkey_attributes));
2079 "HKEY interface: 0x%x\n", hkeyv); 2095 if (res)
2080 printk(TPACPI_ERR "please report this to %s\n", 2096 goto err_exit;
2081 TPACPI_MAIL); 2097
2082 } else { 2098 /* mask not supported on 570, 600e/x, 770e, 770x, A21e, A2xm/p,
2083 /* 2099 A30, R30, R31, T20-22, X20-21, X22-24. Detected by checking
2084 * MHKV 0x100 in A31, R40, R40e, 2100 for HKEY interface version 0x100 */
2085 * T4x, X31, and later 2101 if (acpi_evalf(hkey_handle, &hkeyv, "MHKV", "qd")) {
2086 */ 2102 if ((hkeyv >> 8) != 1) {
2087 tp_features.hotkey_mask = 1; 2103 printk(TPACPI_ERR "unknown version of the "
2088 } 2104 "HKEY interface: 0x%x\n", hkeyv);
2105 printk(TPACPI_ERR "please report this to %s\n",
2106 TPACPI_MAIL);
2107 } else {
2108 /*
2109 * MHKV 0x100 in A31, R40, R40e,
2110 * T4x, X31, and later
2111 */
2112 tp_features.hotkey_mask = 1;
2089 } 2113 }
2114 }
2090 2115
2091 vdbg_printk(TPACPI_DBG_INIT, "hotkey masks are %s\n", 2116 vdbg_printk(TPACPI_DBG_INIT, "hotkey masks are %s\n",
2092 str_supported(tp_features.hotkey_mask)); 2117 str_supported(tp_features.hotkey_mask));
2093 2118
2094 if (tp_features.hotkey_mask) { 2119 if (tp_features.hotkey_mask) {
2095 if (!acpi_evalf(hkey_handle, &hotkey_all_mask, 2120 if (!acpi_evalf(hkey_handle, &hotkey_all_mask,
2096 "MHKA", "qd")) { 2121 "MHKA", "qd")) {
2097 printk(TPACPI_ERR 2122 printk(TPACPI_ERR
2098 "missing MHKA handler, " 2123 "missing MHKA handler, "
2099 "please report this to %s\n", 2124 "please report this to %s\n",
2100 TPACPI_MAIL); 2125 TPACPI_MAIL);
2101 /* FN+F12, FN+F4, FN+F3 */ 2126 /* FN+F12, FN+F4, FN+F3 */
2102 hotkey_all_mask = 0x080cU; 2127 hotkey_all_mask = 0x080cU;
2103 }
2104 } 2128 }
2129 }
2105 2130
2106 /* hotkey_source_mask *must* be zero for 2131 /* hotkey_source_mask *must* be zero for
2107 * the first hotkey_mask_get */ 2132 * the first hotkey_mask_get */
2108 res = hotkey_status_get(&hotkey_orig_status); 2133 res = hotkey_status_get(&hotkey_orig_status);
2109 if (!res && tp_features.hotkey_mask) { 2134 if (res)
2110 res = hotkey_mask_get(); 2135 goto err_exit;
2111 hotkey_orig_mask = hotkey_mask; 2136
2112 if (!res) { 2137 if (tp_features.hotkey_mask) {
2113 res = add_many_to_attr_set( 2138 res = hotkey_mask_get();
2114 hotkey_dev_attributes, 2139 if (res)
2115 hotkey_mask_attributes, 2140 goto err_exit;
2116 ARRAY_SIZE(hotkey_mask_attributes)); 2141
2117 } 2142 hotkey_orig_mask = hotkey_mask;
2118 } 2143 res = add_many_to_attr_set(
2144 hotkey_dev_attributes,
2145 hotkey_mask_attributes,
2146 ARRAY_SIZE(hotkey_mask_attributes));
2147 if (res)
2148 goto err_exit;
2149 }
2119 2150
2120#ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL 2151#ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL
2121 if (tp_features.hotkey_mask) { 2152 if (tp_features.hotkey_mask) {
2122 hotkey_source_mask = TPACPI_HKEY_NVRAM_GOOD_MASK 2153 hotkey_source_mask = TPACPI_HKEY_NVRAM_GOOD_MASK
2123 & ~hotkey_all_mask; 2154 & ~hotkey_all_mask;
2124 } else { 2155 } else {
2125 hotkey_source_mask = TPACPI_HKEY_NVRAM_GOOD_MASK; 2156 hotkey_source_mask = TPACPI_HKEY_NVRAM_GOOD_MASK;
2126 } 2157 }
2127 2158
2128 vdbg_printk(TPACPI_DBG_INIT, 2159 vdbg_printk(TPACPI_DBG_INIT,
2129 "hotkey source mask 0x%08x, polling freq %d\n", 2160 "hotkey source mask 0x%08x, polling freq %d\n",
2130 hotkey_source_mask, hotkey_poll_freq); 2161 hotkey_source_mask, hotkey_poll_freq);
2131#endif 2162#endif
2132 2163
2133 /* Not all thinkpads have a hardware radio switch */ 2164 /* Not all thinkpads have a hardware radio switch */
2134 if (!res && acpi_evalf(hkey_handle, &status, "WLSW", "qd")) { 2165 if (acpi_evalf(hkey_handle, &status, "WLSW", "qd")) {
2135 tp_features.hotkey_wlsw = 1; 2166 tp_features.hotkey_wlsw = 1;
2136 printk(TPACPI_INFO 2167 printk(TPACPI_INFO
2137 "radio switch found; radios are %s\n", 2168 "radio switch found; radios are %s\n",
2138 enabled(status, 0)); 2169 enabled(status, 0));
2139 res = add_to_attr_set(hotkey_dev_attributes, 2170 res = add_to_attr_set(hotkey_dev_attributes,
2140 &dev_attr_hotkey_radio_sw.attr); 2171 &dev_attr_hotkey_radio_sw.attr);
2141 } 2172 }
2142 2173
2143 /* For X41t, X60t, X61t Tablets... */ 2174 /* For X41t, X60t, X61t Tablets... */
2144 if (!res && acpi_evalf(hkey_handle, &status, "MHKG", "qd")) { 2175 if (!res && acpi_evalf(hkey_handle, &status, "MHKG", "qd")) {
2145 tp_features.hotkey_tablet = 1; 2176 tp_features.hotkey_tablet = 1;
2146 printk(TPACPI_INFO 2177 printk(TPACPI_INFO
2147 "possible tablet mode switch found; " 2178 "possible tablet mode switch found; "
2148 "ThinkPad in %s mode\n", 2179 "ThinkPad in %s mode\n",
2149 (status & TP_HOTKEY_TABLET_MASK)? 2180 (status & TP_HOTKEY_TABLET_MASK)?
2150 "tablet" : "laptop"); 2181 "tablet" : "laptop");
2151 res = add_to_attr_set(hotkey_dev_attributes, 2182 res = add_to_attr_set(hotkey_dev_attributes,
2152 &dev_attr_hotkey_tablet_mode.attr); 2183 &dev_attr_hotkey_tablet_mode.attr);
2153 } 2184 }
2154 2185
2155 if (!res) 2186 if (!res)
2156 res = register_attr_set_with_sysfs( 2187 res = register_attr_set_with_sysfs(
2157 hotkey_dev_attributes, 2188 hotkey_dev_attributes,
2158 &tpacpi_pdev->dev.kobj); 2189 &tpacpi_pdev->dev.kobj);
2159 if (res) 2190 if (res)
2160 return res; 2191 goto err_exit;
2161 2192
2162 /* Set up key map */ 2193 /* Set up key map */
2163 2194
2164 hotkey_keycode_map = kmalloc(TPACPI_HOTKEY_MAP_SIZE, 2195 hotkey_keycode_map = kmalloc(TPACPI_HOTKEY_MAP_SIZE,
2165 GFP_KERNEL); 2196 GFP_KERNEL);
2166 if (!hotkey_keycode_map) { 2197 if (!hotkey_keycode_map) {
2167 printk(TPACPI_ERR 2198 printk(TPACPI_ERR
2168 "failed to allocate memory for key map\n"); 2199 "failed to allocate memory for key map\n");
2169 return -ENOMEM; 2200 res = -ENOMEM;
2170 } 2201 goto err_exit;
2202 }
2171 2203
2172 if (thinkpad_id.vendor == PCI_VENDOR_ID_LENOVO) { 2204 if (thinkpad_id.vendor == PCI_VENDOR_ID_LENOVO) {
2173 dbg_printk(TPACPI_DBG_INIT, 2205 dbg_printk(TPACPI_DBG_INIT,
2174 "using Lenovo default hot key map\n"); 2206 "using Lenovo default hot key map\n");
2175 memcpy(hotkey_keycode_map, &lenovo_keycode_map, 2207 memcpy(hotkey_keycode_map, &lenovo_keycode_map,
2176 TPACPI_HOTKEY_MAP_SIZE); 2208 TPACPI_HOTKEY_MAP_SIZE);
2209 } else {
2210 dbg_printk(TPACPI_DBG_INIT,
2211 "using IBM default hot key map\n");
2212 memcpy(hotkey_keycode_map, &ibm_keycode_map,
2213 TPACPI_HOTKEY_MAP_SIZE);
2214 }
2215
2216 set_bit(EV_KEY, tpacpi_inputdev->evbit);
2217 set_bit(EV_MSC, tpacpi_inputdev->evbit);
2218 set_bit(MSC_SCAN, tpacpi_inputdev->mscbit);
2219 tpacpi_inputdev->keycodesize = TPACPI_HOTKEY_MAP_TYPESIZE;
2220 tpacpi_inputdev->keycodemax = TPACPI_HOTKEY_MAP_LEN;
2221 tpacpi_inputdev->keycode = hotkey_keycode_map;
2222 for (i = 0; i < TPACPI_HOTKEY_MAP_LEN; i++) {
2223 if (hotkey_keycode_map[i] != KEY_RESERVED) {
2224 set_bit(hotkey_keycode_map[i],
2225 tpacpi_inputdev->keybit);
2177 } else { 2226 } else {
2178 dbg_printk(TPACPI_DBG_INIT, 2227 if (i < sizeof(hotkey_reserved_mask)*8)
2179 "using IBM default hot key map\n"); 2228 hotkey_reserved_mask |= 1 << i;
2180 memcpy(hotkey_keycode_map, &ibm_keycode_map,
2181 TPACPI_HOTKEY_MAP_SIZE);
2182 }
2183
2184 set_bit(EV_KEY, tpacpi_inputdev->evbit);
2185 set_bit(EV_MSC, tpacpi_inputdev->evbit);
2186 set_bit(MSC_SCAN, tpacpi_inputdev->mscbit);
2187 tpacpi_inputdev->keycodesize = TPACPI_HOTKEY_MAP_TYPESIZE;
2188 tpacpi_inputdev->keycodemax = TPACPI_HOTKEY_MAP_LEN;
2189 tpacpi_inputdev->keycode = hotkey_keycode_map;
2190 for (i = 0; i < TPACPI_HOTKEY_MAP_LEN; i++) {
2191 if (hotkey_keycode_map[i] != KEY_RESERVED) {
2192 set_bit(hotkey_keycode_map[i],
2193 tpacpi_inputdev->keybit);
2194 } else {
2195 if (i < sizeof(hotkey_reserved_mask)*8)
2196 hotkey_reserved_mask |= 1 << i;
2197 }
2198 }
2199
2200 if (tp_features.hotkey_wlsw) {
2201 set_bit(EV_SW, tpacpi_inputdev->evbit);
2202 set_bit(SW_RADIO, tpacpi_inputdev->swbit);
2203 }
2204 if (tp_features.hotkey_tablet) {
2205 set_bit(EV_SW, tpacpi_inputdev->evbit);
2206 set_bit(SW_TABLET_MODE, tpacpi_inputdev->swbit);
2207 } 2229 }
2230 }
2208 2231
2209 /* Do not issue duplicate brightness change events to 2232 if (tp_features.hotkey_wlsw) {
2210 * userspace */ 2233 set_bit(EV_SW, tpacpi_inputdev->evbit);
2211 if (!tp_features.bright_acpimode) 2234 set_bit(SW_RFKILL_ALL, tpacpi_inputdev->swbit);
2212 /* update bright_acpimode... */ 2235 }
2213 tpacpi_check_std_acpi_brightness_support(); 2236 if (tp_features.hotkey_tablet) {
2214 2237 set_bit(EV_SW, tpacpi_inputdev->evbit);
2215 if (tp_features.bright_acpimode) { 2238 set_bit(SW_TABLET_MODE, tpacpi_inputdev->swbit);
2216 printk(TPACPI_INFO 2239 }
2217 "This ThinkPad has standard ACPI backlight "
2218 "brightness control, supported by the ACPI "
2219 "video driver\n");
2220 printk(TPACPI_NOTICE
2221 "Disabling thinkpad-acpi brightness events "
2222 "by default...\n");
2223
2224 /* The hotkey_reserved_mask change below is not
2225 * necessary while the keys are at KEY_RESERVED in the
2226 * default map, but better safe than sorry, leave it
2227 * here as a marker of what we have to do, especially
2228 * when we finally become able to set this at runtime
2229 * on response to X.org requests */
2230 hotkey_reserved_mask |=
2231 (1 << TP_ACPI_HOTKEYSCAN_FNHOME)
2232 | (1 << TP_ACPI_HOTKEYSCAN_FNEND);
2233 }
2234 2240
2235 dbg_printk(TPACPI_DBG_INIT, 2241 /* Do not issue duplicate brightness change events to
2236 "enabling hot key handling\n"); 2242 * userspace */
2237 res = hotkey_status_set(1); 2243 if (!tp_features.bright_acpimode)
2238 if (res) 2244 /* update bright_acpimode... */
2239 return res; 2245 tpacpi_check_std_acpi_brightness_support();
2240 res = hotkey_mask_set(((hotkey_all_mask | hotkey_source_mask)
2241 & ~hotkey_reserved_mask)
2242 | hotkey_orig_mask);
2243 if (res < 0 && res != -ENXIO)
2244 return res;
2245 2246
2246 dbg_printk(TPACPI_DBG_INIT, 2247 if (tp_features.bright_acpimode) {
2247 "legacy hot key reporting over procfs %s\n", 2248 printk(TPACPI_INFO
2248 (hotkey_report_mode < 2) ? 2249 "This ThinkPad has standard ACPI backlight "
2249 "enabled" : "disabled"); 2250 "brightness control, supported by the ACPI "
2251 "video driver\n");
2252 printk(TPACPI_NOTICE
2253 "Disabling thinkpad-acpi brightness events "
2254 "by default...\n");
2255
2256 /* The hotkey_reserved_mask change below is not
2257 * necessary while the keys are at KEY_RESERVED in the
2258 * default map, but better safe than sorry, leave it
2259 * here as a marker of what we have to do, especially
2260 * when we finally become able to set this at runtime
2261 * on response to X.org requests */
2262 hotkey_reserved_mask |=
2263 (1 << TP_ACPI_HOTKEYSCAN_FNHOME)
2264 | (1 << TP_ACPI_HOTKEYSCAN_FNEND);
2265 }
2266
2267 dbg_printk(TPACPI_DBG_INIT, "enabling hot key handling\n");
2268 res = hotkey_status_set(1);
2269 if (res) {
2270 hotkey_exit();
2271 return res;
2272 }
2273 res = hotkey_mask_set(((hotkey_all_mask | hotkey_source_mask)
2274 & ~hotkey_reserved_mask)
2275 | hotkey_orig_mask);
2276 if (res < 0 && res != -ENXIO) {
2277 hotkey_exit();
2278 return res;
2279 }
2250 2280
2251 tpacpi_inputdev->open = &hotkey_inputdev_open; 2281 dbg_printk(TPACPI_DBG_INIT,
2252 tpacpi_inputdev->close = &hotkey_inputdev_close; 2282 "legacy hot key reporting over procfs %s\n",
2283 (hotkey_report_mode < 2) ?
2284 "enabled" : "disabled");
2253 2285
2254 hotkey_poll_setup_safe(1); 2286 tpacpi_inputdev->open = &hotkey_inputdev_open;
2255 tpacpi_input_send_radiosw(); 2287 tpacpi_inputdev->close = &hotkey_inputdev_close;
2256 tpacpi_input_send_tabletsw();
2257 }
2258 2288
2259 return (tp_features.hotkey)? 0 : 1; 2289 hotkey_poll_setup_safe(1);
2260} 2290 tpacpi_input_send_radiosw();
2291 tpacpi_input_send_tabletsw();
2261 2292
2262static void hotkey_exit(void) 2293 return 0;
2263{
2264#ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL
2265 hotkey_poll_stop_sync();
2266#endif
2267 2294
2268 if (tp_features.hotkey) { 2295err_exit:
2269 dbg_printk(TPACPI_DBG_EXIT, 2296 delete_attr_set(hotkey_dev_attributes, &tpacpi_pdev->dev.kobj);
2270 "restoring original hot key mask\n"); 2297 hotkey_dev_attributes = NULL;
2271 /* no short-circuit boolean operator below! */
2272 if ((hotkey_mask_set(hotkey_orig_mask) |
2273 hotkey_status_set(hotkey_orig_status)) != 0)
2274 printk(TPACPI_ERR
2275 "failed to restore hot key mask "
2276 "to BIOS defaults\n");
2277 }
2278 2298
2279 if (hotkey_dev_attributes) { 2299 return (res < 0)? res : 1;
2280 delete_attr_set(hotkey_dev_attributes, &tpacpi_pdev->dev.kobj);
2281 hotkey_dev_attributes = NULL;
2282 }
2283} 2300}
2284 2301
2285static void hotkey_notify(struct ibm_struct *ibm, u32 event) 2302static void hotkey_notify(struct ibm_struct *ibm, u32 event)
@@ -3319,7 +3336,7 @@ static struct tpacpi_led_classdev tpacpi_led_thinklight = {
3319 3336
3320static int __init light_init(struct ibm_init_struct *iibm) 3337static int __init light_init(struct ibm_init_struct *iibm)
3321{ 3338{
3322 int rc = 0; 3339 int rc;
3323 3340
3324 vdbg_printk(TPACPI_DBG_INIT, "initializing light subdriver\n"); 3341 vdbg_printk(TPACPI_DBG_INIT, "initializing light subdriver\n");
3325 3342
@@ -3337,20 +3354,23 @@ static int __init light_init(struct ibm_init_struct *iibm)
3337 tp_features.light_status = 3354 tp_features.light_status =
3338 acpi_evalf(ec_handle, NULL, "KBLT", "qv"); 3355 acpi_evalf(ec_handle, NULL, "KBLT", "qv");
3339 3356
3340 vdbg_printk(TPACPI_DBG_INIT, "light is %s\n", 3357 vdbg_printk(TPACPI_DBG_INIT, "light is %s, light status is %s\n",
3341 str_supported(tp_features.light)); 3358 str_supported(tp_features.light),
3359 str_supported(tp_features.light_status));
3342 3360
3343 if (tp_features.light) { 3361 if (!tp_features.light)
3344 rc = led_classdev_register(&tpacpi_pdev->dev, 3362 return 1;
3345 &tpacpi_led_thinklight.led_classdev); 3363
3346 } 3364 rc = led_classdev_register(&tpacpi_pdev->dev,
3365 &tpacpi_led_thinklight.led_classdev);
3347 3366
3348 if (rc < 0) { 3367 if (rc < 0) {
3349 tp_features.light = 0; 3368 tp_features.light = 0;
3350 tp_features.light_status = 0; 3369 tp_features.light_status = 0;
3351 } else { 3370 } else {
3352 rc = (tp_features.light)? 0 : 1; 3371 rc = 0;
3353 } 3372 }
3373
3354 return rc; 3374 return rc;
3355} 3375}
3356 3376
@@ -3833,7 +3853,7 @@ static const char * const tpacpi_led_names[TPACPI_LED_NUMLEDS] = {
3833 "tpacpi::standby", 3853 "tpacpi::standby",
3834}; 3854};
3835 3855
3836static int led_get_status(unsigned int led) 3856static int led_get_status(const unsigned int led)
3837{ 3857{
3838 int status; 3858 int status;
3839 enum led_status_t led_s; 3859 enum led_status_t led_s;
@@ -3857,41 +3877,42 @@ static int led_get_status(unsigned int led)
3857 /* not reached */ 3877 /* not reached */
3858} 3878}
3859 3879
3860static int led_set_status(unsigned int led, enum led_status_t ledstatus) 3880static int led_set_status(const unsigned int led,
3881 const enum led_status_t ledstatus)
3861{ 3882{
3862 /* off, on, blink. Index is led_status_t */ 3883 /* off, on, blink. Index is led_status_t */
3863 static const int led_sled_arg1[] = { 0, 1, 3 }; 3884 static const unsigned int led_sled_arg1[] = { 0, 1, 3 };
3864 static const int led_exp_hlbl[] = { 0, 0, 1 }; /* led# * */ 3885 static const unsigned int led_led_arg1[] = { 0, 0x80, 0xc0 };
3865 static const int led_exp_hlcl[] = { 0, 1, 1 }; /* led# * */
3866 static const int led_led_arg1[] = { 0, 0x80, 0xc0 };
3867 3886
3868 int rc = 0; 3887 int rc = 0;
3869 3888
3870 switch (led_supported) { 3889 switch (led_supported) {
3871 case TPACPI_LED_570: 3890 case TPACPI_LED_570:
3872 /* 570 */ 3891 /* 570 */
3873 led = 1 << led; 3892 if (led > 7)
3874 if (!acpi_evalf(led_handle, NULL, NULL, "vdd", 3893 return -EINVAL;
3875 led, led_sled_arg1[ledstatus])) 3894 if (!acpi_evalf(led_handle, NULL, NULL, "vdd",
3876 rc = -EIO; 3895 (1 << led), led_sled_arg1[ledstatus]))
3877 break; 3896 rc = -EIO;
3897 break;
3878 case TPACPI_LED_OLD: 3898 case TPACPI_LED_OLD:
3879 /* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20 */ 3899 /* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20 */
3880 led = 1 << led; 3900 if (led > 7)
3881 rc = ec_write(TPACPI_LED_EC_HLMS, led); 3901 return -EINVAL;
3882 if (rc >= 0) 3902 rc = ec_write(TPACPI_LED_EC_HLMS, (1 << led));
3883 rc = ec_write(TPACPI_LED_EC_HLBL, 3903 if (rc >= 0)
3884 led * led_exp_hlbl[ledstatus]); 3904 rc = ec_write(TPACPI_LED_EC_HLBL,
3885 if (rc >= 0) 3905 (ledstatus == TPACPI_LED_BLINK) << led);
3886 rc = ec_write(TPACPI_LED_EC_HLCL, 3906 if (rc >= 0)
3887 led * led_exp_hlcl[ledstatus]); 3907 rc = ec_write(TPACPI_LED_EC_HLCL,
3888 break; 3908 (ledstatus != TPACPI_LED_OFF) << led);
3909 break;
3889 case TPACPI_LED_NEW: 3910 case TPACPI_LED_NEW:
3890 /* all others */ 3911 /* all others */
3891 if (!acpi_evalf(led_handle, NULL, NULL, "vdd", 3912 if (!acpi_evalf(led_handle, NULL, NULL, "vdd",
3892 led, led_led_arg1[ledstatus])) 3913 led, led_led_arg1[ledstatus]))
3893 rc = -EIO; 3914 rc = -EIO;
3894 break; 3915 break;
3895 default: 3916 default:
3896 rc = -ENXIO; 3917 rc = -ENXIO;
3897 } 3918 }
@@ -3978,7 +3999,6 @@ static void led_exit(void)
3978 } 3999 }
3979 4000
3980 kfree(tpacpi_leds); 4001 kfree(tpacpi_leds);
3981 tpacpi_leds = NULL;
3982} 4002}
3983 4003
3984static int __init led_init(struct ibm_init_struct *iibm) 4004static int __init led_init(struct ibm_init_struct *iibm)
@@ -4802,7 +4822,6 @@ static void brightness_exit(void)
4802 vdbg_printk(TPACPI_DBG_EXIT, 4822 vdbg_printk(TPACPI_DBG_EXIT,
4803 "calling backlight_device_unregister()\n"); 4823 "calling backlight_device_unregister()\n");
4804 backlight_device_unregister(ibm_backlight_device); 4824 backlight_device_unregister(ibm_backlight_device);
4805 ibm_backlight_device = NULL;
4806 } 4825 }
4807} 4826}
4808 4827
@@ -5764,11 +5783,16 @@ static int __init fan_init(struct ibm_init_struct *iibm)
5764 fan_control_access_mode != TPACPI_FAN_WR_NONE) { 5783 fan_control_access_mode != TPACPI_FAN_WR_NONE) {
5765 rc = sysfs_create_group(&tpacpi_sensors_pdev->dev.kobj, 5784 rc = sysfs_create_group(&tpacpi_sensors_pdev->dev.kobj,
5766 &fan_attr_group); 5785 &fan_attr_group);
5767 if (!(rc < 0))
5768 rc = driver_create_file(&tpacpi_hwmon_pdriver.driver,
5769 &driver_attr_fan_watchdog);
5770 if (rc < 0) 5786 if (rc < 0)
5771 return rc; 5787 return rc;
5788
5789 rc = driver_create_file(&tpacpi_hwmon_pdriver.driver,
5790 &driver_attr_fan_watchdog);
5791 if (rc < 0) {
5792 sysfs_remove_group(&tpacpi_sensors_pdev->dev.kobj,
5793 &fan_attr_group);
5794 return rc;
5795 }
5772 return 0; 5796 return 0;
5773 } else 5797 } else
5774 return 1; 5798 return 1;
diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c
index 0201c8adfda7..46c791adb894 100644
--- a/drivers/pnp/pnpacpi/rsparser.c
+++ b/drivers/pnp/pnpacpi/rsparser.c
@@ -50,15 +50,17 @@ static int irq_flags(int triggering, int polarity, int shareable)
50 flags = IORESOURCE_IRQ_HIGHEDGE; 50 flags = IORESOURCE_IRQ_HIGHEDGE;
51 } 51 }
52 52
53 if (shareable) 53 if (shareable == ACPI_SHARED)
54 flags |= IORESOURCE_IRQ_SHAREABLE; 54 flags |= IORESOURCE_IRQ_SHAREABLE;
55 55
56 return flags; 56 return flags;
57} 57}
58 58
59static void decode_irq_flags(int flag, int *triggering, int *polarity) 59static void decode_irq_flags(struct pnp_dev *dev, int flags, int *triggering,
60 int *polarity, int *shareable)
60{ 61{
61 switch (flag) { 62 switch (flags & (IORESOURCE_IRQ_LOWLEVEL | IORESOURCE_IRQ_HIGHLEVEL |
63 IORESOURCE_IRQ_LOWEDGE | IORESOURCE_IRQ_HIGHEDGE)) {
62 case IORESOURCE_IRQ_LOWLEVEL: 64 case IORESOURCE_IRQ_LOWLEVEL:
63 *triggering = ACPI_LEVEL_SENSITIVE; 65 *triggering = ACPI_LEVEL_SENSITIVE;
64 *polarity = ACPI_ACTIVE_LOW; 66 *polarity = ACPI_ACTIVE_LOW;
@@ -75,7 +77,18 @@ static void decode_irq_flags(int flag, int *triggering, int *polarity)
75 *triggering = ACPI_EDGE_SENSITIVE; 77 *triggering = ACPI_EDGE_SENSITIVE;
76 *polarity = ACPI_ACTIVE_HIGH; 78 *polarity = ACPI_ACTIVE_HIGH;
77 break; 79 break;
80 default:
81 dev_err(&dev->dev, "can't encode invalid IRQ mode %#x\n",
82 flags);
83 *triggering = ACPI_EDGE_SENSITIVE;
84 *polarity = ACPI_ACTIVE_HIGH;
85 break;
78 } 86 }
87
88 if (flags & IORESOURCE_IRQ_SHAREABLE)
89 *shareable = ACPI_SHARED;
90 else
91 *shareable = ACPI_EXCLUSIVE;
79} 92}
80 93
81static void pnpacpi_parse_allocated_irqresource(struct pnp_dev *dev, 94static void pnpacpi_parse_allocated_irqresource(struct pnp_dev *dev,
@@ -742,6 +755,9 @@ static acpi_status pnpacpi_type_resources(struct acpi_resource *res, void *data)
742 if (pnpacpi_supported_resource(res)) { 755 if (pnpacpi_supported_resource(res)) {
743 (*resource)->type = res->type; 756 (*resource)->type = res->type;
744 (*resource)->length = sizeof(struct acpi_resource); 757 (*resource)->length = sizeof(struct acpi_resource);
758 if (res->type == ACPI_RESOURCE_TYPE_IRQ)
759 (*resource)->data.irq.descriptor_length =
760 res->data.irq.descriptor_length;
745 (*resource)++; 761 (*resource)++;
746 } 762 }
747 763
@@ -788,22 +804,21 @@ static void pnpacpi_encode_irq(struct pnp_dev *dev,
788 struct resource *p) 804 struct resource *p)
789{ 805{
790 struct acpi_resource_irq *irq = &resource->data.irq; 806 struct acpi_resource_irq *irq = &resource->data.irq;
791 int triggering, polarity; 807 int triggering, polarity, shareable;
792 808
793 decode_irq_flags(p->flags & IORESOURCE_BITS, &triggering, &polarity); 809 decode_irq_flags(dev, p->flags, &triggering, &polarity, &shareable);
794 irq->triggering = triggering; 810 irq->triggering = triggering;
795 irq->polarity = polarity; 811 irq->polarity = polarity;
796 if (triggering == ACPI_EDGE_SENSITIVE) 812 irq->sharable = shareable;
797 irq->sharable = ACPI_EXCLUSIVE;
798 else
799 irq->sharable = ACPI_SHARED;
800 irq->interrupt_count = 1; 813 irq->interrupt_count = 1;
801 irq->interrupts[0] = p->start; 814 irq->interrupts[0] = p->start;
802 815
803 dev_dbg(&dev->dev, " encode irq %d %s %s %s\n", (int) p->start, 816 dev_dbg(&dev->dev, " encode irq %d %s %s %s (%d-byte descriptor)\n",
817 (int) p->start,
804 triggering == ACPI_LEVEL_SENSITIVE ? "level" : "edge", 818 triggering == ACPI_LEVEL_SENSITIVE ? "level" : "edge",
805 polarity == ACPI_ACTIVE_LOW ? "low" : "high", 819 polarity == ACPI_ACTIVE_LOW ? "low" : "high",
806 irq->sharable == ACPI_SHARED ? "shared" : "exclusive"); 820 irq->sharable == ACPI_SHARED ? "shared" : "exclusive",
821 irq->descriptor_length);
807} 822}
808 823
809static void pnpacpi_encode_ext_irq(struct pnp_dev *dev, 824static void pnpacpi_encode_ext_irq(struct pnp_dev *dev,
@@ -811,16 +826,13 @@ static void pnpacpi_encode_ext_irq(struct pnp_dev *dev,
811 struct resource *p) 826 struct resource *p)
812{ 827{
813 struct acpi_resource_extended_irq *extended_irq = &resource->data.extended_irq; 828 struct acpi_resource_extended_irq *extended_irq = &resource->data.extended_irq;
814 int triggering, polarity; 829 int triggering, polarity, shareable;
815 830
816 decode_irq_flags(p->flags & IORESOURCE_BITS, &triggering, &polarity); 831 decode_irq_flags(dev, p->flags, &triggering, &polarity, &shareable);
817 extended_irq->producer_consumer = ACPI_CONSUMER; 832 extended_irq->producer_consumer = ACPI_CONSUMER;
818 extended_irq->triggering = triggering; 833 extended_irq->triggering = triggering;
819 extended_irq->polarity = polarity; 834 extended_irq->polarity = polarity;
820 if (triggering == ACPI_EDGE_SENSITIVE) 835 extended_irq->sharable = shareable;
821 extended_irq->sharable = ACPI_EXCLUSIVE;
822 else
823 extended_irq->sharable = ACPI_SHARED;
824 extended_irq->interrupt_count = 1; 836 extended_irq->interrupt_count = 1;
825 extended_irq->interrupts[0] = p->start; 837 extended_irq->interrupts[0] = p->start;
826 838
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-17 18:56:42 -0500