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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-04-19 12:17:29 -0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-04-19 12:17:29 -0400
commitadf6d34e460387ee3e8f1e1875d52bff51212c7d (patch)
tree88ef100143e6184103a608f82dfd232bf6376eaf /drivers/acpi
parentd1964dab60ce7c104dd21590e987a8787db18051 (diff)
parent3760d31f11bfbd0ead9eaeb8573e0602437a9d7c (diff)
Merge branch 'omap2-upstream' into devel
Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/processor_core.c2
-rw-r--r--drivers/acpi/processor_idle.c7
-rw-r--r--drivers/acpi/sbshc.c1
-rw-r--r--drivers/acpi/scan.c18
-rw-r--r--drivers/acpi/sleep/main.c71
-rw-r--r--drivers/acpi/thermal.c2
-rw-r--r--drivers/acpi/video.c2
7 files changed, 34 insertions, 69 deletions
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index 36a68fa114e3..a825b431b64f 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -822,7 +822,7 @@ static int acpi_processor_remove(struct acpi_device *device, int type)
822 } 822 }
823 823
824 processors[pr->id] = NULL; 824 processors[pr->id] = NULL;
825 825 processor_device_array[pr->id] = NULL;
826 kfree(pr); 826 kfree(pr);
827 827
828 return 0; 828 return 0;
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index e8e2d8869236..788da9781f80 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -1487,7 +1487,6 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev,
1487 return 0; 1487 return 0;
1488 } 1488 }
1489 1489
1490 acpi_unlazy_tlb(smp_processor_id());
1491 /* 1490 /*
1492 * Must be done before busmaster disable as we might need to 1491 * Must be done before busmaster disable as we might need to
1493 * access HPET ! 1492 * access HPET !
@@ -1577,6 +1576,8 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
1577 return 0; 1576 return 0;
1578 } 1577 }
1579 1578
1579 acpi_unlazy_tlb(smp_processor_id());
1580
1580 /* Tell the scheduler that we are going deep-idle: */ 1581 /* Tell the scheduler that we are going deep-idle: */
1581 sched_clock_idle_sleep_event(); 1582 sched_clock_idle_sleep_event();
1582 /* 1583 /*
@@ -1692,7 +1693,9 @@ static int acpi_processor_setup_cpuidle(struct acpi_processor *pr)
1692 switch (cx->type) { 1693 switch (cx->type) {
1693 case ACPI_STATE_C1: 1694 case ACPI_STATE_C1:
1694 state->flags |= CPUIDLE_FLAG_SHALLOW; 1695 state->flags |= CPUIDLE_FLAG_SHALLOW;
1695 state->flags |= CPUIDLE_FLAG_TIME_VALID; 1696 if (cx->entry_method == ACPI_CSTATE_FFH)
1697 state->flags |= CPUIDLE_FLAG_TIME_VALID;
1698
1696 state->enter = acpi_idle_enter_c1; 1699 state->enter = acpi_idle_enter_c1;
1697 dev->safe_state = state; 1700 dev->safe_state = state;
1698 break; 1701 break;
diff --git a/drivers/acpi/sbshc.c b/drivers/acpi/sbshc.c
index a2cf3008ce6c..bcf2c70fca87 100644
--- a/drivers/acpi/sbshc.c
+++ b/drivers/acpi/sbshc.c
@@ -130,7 +130,6 @@ static int acpi_smbus_transaction(struct acpi_smb_hc *hc, u8 protocol,
130 goto end; 130 goto end;
131 } 131 }
132 smb_hc_write(hc, ACPI_SMB_COMMAND, command); 132 smb_hc_write(hc, ACPI_SMB_COMMAND, command);
133 smb_hc_write(hc, ACPI_SMB_COMMAND, command);
134 if (!(protocol & 0x01)) { 133 if (!(protocol & 0x01)) {
135 smb_hc_write(hc, ACPI_SMB_BLOCK_COUNT, length); 134 smb_hc_write(hc, ACPI_SMB_BLOCK_COUNT, length);
136 for (i = 0; i < length; ++i) 135 for (i = 0; i < length; ++i)
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 57570ac47803..e6ce262b5d44 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -39,20 +39,26 @@ static int create_modalias(struct acpi_device *acpi_dev, char *modalias,
39 int size) 39 int size)
40{ 40{
41 int len; 41 int len;
42 int count;
42 43
43 if (!acpi_dev->flags.hardware_id) 44 if (!acpi_dev->flags.hardware_id && !acpi_dev->flags.compatible_ids)
44 return -ENODEV; 45 return -ENODEV;
45 46
46 len = snprintf(modalias, size, "acpi:%s:", 47 len = snprintf(modalias, size, "acpi:");
47 acpi_dev->pnp.hardware_id);
48 if (len < 0 || len >= size)
49 return -EINVAL;
50 size -= len; 48 size -= len;
51 49
50 if (acpi_dev->flags.hardware_id) {
51 count = snprintf(&modalias[len], size, "%s:",
52 acpi_dev->pnp.hardware_id);
53 if (count < 0 || count >= size)
54 return -EINVAL;
55 len += count;
56 size -= count;
57 }
58
52 if (acpi_dev->flags.compatible_ids) { 59 if (acpi_dev->flags.compatible_ids) {
53 struct acpi_compatible_id_list *cid_list; 60 struct acpi_compatible_id_list *cid_list;
54 int i; 61 int i;
55 int count;
56 62
57 cid_list = acpi_dev->pnp.cid_list; 63 cid_list = acpi_dev->pnp.cid_list;
58 for (i = 0; i < cid_list->count; i++) { 64 for (i = 0; i < cid_list->count; i++) {
diff --git a/drivers/acpi/sleep/main.c b/drivers/acpi/sleep/main.c
index d2f71a54726c..71183eea7906 100644
--- a/drivers/acpi/sleep/main.c
+++ b/drivers/acpi/sleep/main.c
@@ -26,21 +26,6 @@ u8 sleep_states[ACPI_S_STATE_COUNT];
26 26
27#ifdef CONFIG_PM_SLEEP 27#ifdef CONFIG_PM_SLEEP
28static u32 acpi_target_sleep_state = ACPI_STATE_S0; 28static u32 acpi_target_sleep_state = ACPI_STATE_S0;
29static bool acpi_sleep_finish_wake_up;
30
31/*
32 * ACPI 2.0 and later want us to execute _PTS after suspending devices, so we
33 * allow the user to request that behavior by using the 'acpi_new_pts_ordering'
34 * kernel command line option that causes the following variable to be set.
35 */
36static bool new_pts_ordering;
37
38static int __init acpi_new_pts_ordering(char *str)
39{
40 new_pts_ordering = true;
41 return 1;
42}
43__setup("acpi_new_pts_ordering", acpi_new_pts_ordering);
44#endif 29#endif
45 30
46static int acpi_sleep_prepare(u32 acpi_state) 31static int acpi_sleep_prepare(u32 acpi_state)
@@ -91,14 +76,6 @@ static int acpi_pm_begin(suspend_state_t pm_state)
91 76
92 if (sleep_states[acpi_state]) { 77 if (sleep_states[acpi_state]) {
93 acpi_target_sleep_state = acpi_state; 78 acpi_target_sleep_state = acpi_state;
94 if (new_pts_ordering)
95 return 0;
96
97 error = acpi_sleep_prepare(acpi_state);
98 if (error)
99 acpi_target_sleep_state = ACPI_STATE_S0;
100 else
101 acpi_sleep_finish_wake_up = true;
102 } else { 79 } else {
103 printk(KERN_ERR "ACPI does not support this state: %d\n", 80 printk(KERN_ERR "ACPI does not support this state: %d\n",
104 pm_state); 81 pm_state);
@@ -116,14 +93,11 @@ static int acpi_pm_begin(suspend_state_t pm_state)
116 93
117static int acpi_pm_prepare(void) 94static int acpi_pm_prepare(void)
118{ 95{
119 if (new_pts_ordering) { 96 int error = acpi_sleep_prepare(acpi_target_sleep_state);
120 int error = acpi_sleep_prepare(acpi_target_sleep_state);
121 97
122 if (error) { 98 if (error) {
123 acpi_target_sleep_state = ACPI_STATE_S0; 99 acpi_target_sleep_state = ACPI_STATE_S0;
124 return error; 100 return error;
125 }
126 acpi_sleep_finish_wake_up = true;
127 } 101 }
128 102
129 return ACPI_SUCCESS(acpi_hw_disable_all_gpes()) ? 0 : -EFAULT; 103 return ACPI_SUCCESS(acpi_hw_disable_all_gpes()) ? 0 : -EFAULT;
@@ -212,7 +186,6 @@ static void acpi_pm_finish(void)
212 acpi_set_firmware_waking_vector((acpi_physical_address) 0); 186 acpi_set_firmware_waking_vector((acpi_physical_address) 0);
213 187
214 acpi_target_sleep_state = ACPI_STATE_S0; 188 acpi_target_sleep_state = ACPI_STATE_S0;
215 acpi_sleep_finish_wake_up = false;
216 189
217#ifdef CONFIG_X86 190#ifdef CONFIG_X86
218 if (init_8259A_after_S1) { 191 if (init_8259A_after_S1) {
@@ -229,11 +202,10 @@ static void acpi_pm_finish(void)
229static void acpi_pm_end(void) 202static void acpi_pm_end(void)
230{ 203{
231 /* 204 /*
232 * This is necessary in case acpi_pm_finish() is not called directly 205 * This is necessary in case acpi_pm_finish() is not called during a
233 * during a failing transition to a sleep state. 206 * failing transition to a sleep state.
234 */ 207 */
235 if (acpi_sleep_finish_wake_up) 208 acpi_target_sleep_state = ACPI_STATE_S0;
236 acpi_pm_finish();
237} 209}
238 210
239static int acpi_pm_state_valid(suspend_state_t pm_state) 211static int acpi_pm_state_valid(suspend_state_t pm_state)
@@ -285,31 +257,18 @@ static struct dmi_system_id __initdata acpisleep_dmi_table[] = {
285#ifdef CONFIG_HIBERNATION 257#ifdef CONFIG_HIBERNATION
286static int acpi_hibernation_begin(void) 258static int acpi_hibernation_begin(void)
287{ 259{
288 int error;
289
290 acpi_target_sleep_state = ACPI_STATE_S4; 260 acpi_target_sleep_state = ACPI_STATE_S4;
291 if (new_pts_ordering)
292 return 0;
293 261
294 error = acpi_sleep_prepare(ACPI_STATE_S4); 262 return 0;
295 if (error)
296 acpi_target_sleep_state = ACPI_STATE_S0;
297 else
298 acpi_sleep_finish_wake_up = true;
299
300 return error;
301} 263}
302 264
303static int acpi_hibernation_prepare(void) 265static int acpi_hibernation_prepare(void)
304{ 266{
305 if (new_pts_ordering) { 267 int error = acpi_sleep_prepare(ACPI_STATE_S4);
306 int error = acpi_sleep_prepare(ACPI_STATE_S4);
307 268
308 if (error) { 269 if (error) {
309 acpi_target_sleep_state = ACPI_STATE_S0; 270 acpi_target_sleep_state = ACPI_STATE_S0;
310 return error; 271 return error;
311 }
312 acpi_sleep_finish_wake_up = true;
313 } 272 }
314 273
315 return ACPI_SUCCESS(acpi_hw_disable_all_gpes()) ? 0 : -EFAULT; 274 return ACPI_SUCCESS(acpi_hw_disable_all_gpes()) ? 0 : -EFAULT;
@@ -353,17 +312,15 @@ static void acpi_hibernation_finish(void)
353 acpi_set_firmware_waking_vector((acpi_physical_address) 0); 312 acpi_set_firmware_waking_vector((acpi_physical_address) 0);
354 313
355 acpi_target_sleep_state = ACPI_STATE_S0; 314 acpi_target_sleep_state = ACPI_STATE_S0;
356 acpi_sleep_finish_wake_up = false;
357} 315}
358 316
359static void acpi_hibernation_end(void) 317static void acpi_hibernation_end(void)
360{ 318{
361 /* 319 /*
362 * This is necessary in case acpi_hibernation_finish() is not called 320 * This is necessary in case acpi_hibernation_finish() is not called
363 * directly during a failing transition to the sleep state. 321 * during a failing transition to the sleep state.
364 */ 322 */
365 if (acpi_sleep_finish_wake_up) 323 acpi_target_sleep_state = ACPI_STATE_S0;
366 acpi_hibernation_finish();
367} 324}
368 325
369static int acpi_hibernation_pre_restore(void) 326static int acpi_hibernation_pre_restore(void)
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index c4e00ac8ea85..1bcecc7dd2ca 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -1125,7 +1125,7 @@ static int acpi_thermal_register_thermal_zone(struct acpi_thermal *tz)
1125 tz->trips.active[i].flags.valid; i++, trips++); 1125 tz->trips.active[i].flags.valid; i++, trips++);
1126 tz->thermal_zone = thermal_zone_device_register("ACPI thermal zone", 1126 tz->thermal_zone = thermal_zone_device_register("ACPI thermal zone",
1127 trips, tz, &acpi_thermal_zone_ops); 1127 trips, tz, &acpi_thermal_zone_ops);
1128 if (!tz->thermal_zone) 1128 if (IS_ERR(tz->thermal_zone))
1129 return -ENODEV; 1129 return -ENODEV;
1130 1130
1131 result = sysfs_create_link(&tz->device->dev.kobj, 1131 result = sysfs_create_link(&tz->device->dev.kobj,
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 12fb44f16766..980a74188781 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -713,7 +713,7 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device)
713 713
714 kfree(obj); 714 kfree(obj);
715 715
716 if (device->cap._BCL && device->cap._BCM && max_level > 0) { 716 if (device->cap._BCL && device->cap._BCM && device->cap._BQC && max_level > 0){
717 int result; 717 int result;
718 static int count = 0; 718 static int count = 0;
719 char *name; 719 char *name;