diff options
| author | Len Brown <len.brown@intel.com> | 2007-10-10 00:30:40 -0400 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2007-10-10 00:30:40 -0400 |
| commit | 27345a5109f36779187311f77e30bcf596571c29 (patch) | |
| tree | 63136025b0194ca54d6fd37559c5d685340ff215 | |
| parent | e270051d9c6e5f0b31668ec1f0d864ab9920ffca (diff) | |
| parent | 9b039330808b83acac3597535da26f47ad1862ce (diff) | |
Pull bugzilla-292300 into release branch
| -rw-r--r-- | drivers/acpi/sleep/main.c | 1 | ||||
| -rw-r--r-- | drivers/acpi/sleep/sleep.h | 1 | ||||
| -rw-r--r-- | drivers/acpi/sleep/wakeup.c | 117 | ||||
| -rw-r--r-- | include/acpi/acpi_bus.h | 1 |
4 files changed, 40 insertions, 80 deletions
diff --git a/drivers/acpi/sleep/main.c b/drivers/acpi/sleep/main.c index caf8721ae6fb..be616317fe53 100644 --- a/drivers/acpi/sleep/main.c +++ b/drivers/acpi/sleep/main.c | |||
| @@ -44,7 +44,6 @@ int acpi_sleep_prepare(u32 acpi_state) | |||
| 44 | ACPI_FLUSH_CPU_CACHE(); | 44 | ACPI_FLUSH_CPU_CACHE(); |
| 45 | acpi_enable_wakeup_device_prep(acpi_state); | 45 | acpi_enable_wakeup_device_prep(acpi_state); |
| 46 | #endif | 46 | #endif |
| 47 | acpi_gpe_sleep_prepare(acpi_state); | ||
| 48 | acpi_enter_sleep_state_prep(acpi_state); | 47 | acpi_enter_sleep_state_prep(acpi_state); |
| 49 | return 0; | 48 | return 0; |
| 50 | } | 49 | } |
diff --git a/drivers/acpi/sleep/sleep.h b/drivers/acpi/sleep/sleep.h index ff1f8504f497..a2ea125ae2d0 100644 --- a/drivers/acpi/sleep/sleep.h +++ b/drivers/acpi/sleep/sleep.h | |||
| @@ -5,6 +5,5 @@ extern int acpi_suspend (u32 state); | |||
| 5 | extern void acpi_enable_wakeup_device_prep(u8 sleep_state); | 5 | extern void acpi_enable_wakeup_device_prep(u8 sleep_state); |
| 6 | extern void acpi_enable_wakeup_device(u8 sleep_state); | 6 | extern void acpi_enable_wakeup_device(u8 sleep_state); |
| 7 | extern void acpi_disable_wakeup_device(u8 sleep_state); | 7 | extern void acpi_disable_wakeup_device(u8 sleep_state); |
| 8 | extern void acpi_gpe_sleep_prepare(u32 sleep_state); | ||
| 9 | 8 | ||
| 10 | extern int acpi_sleep_prepare(u32 acpi_state); | 9 | extern int acpi_sleep_prepare(u32 acpi_state); |
diff --git a/drivers/acpi/sleep/wakeup.c b/drivers/acpi/sleep/wakeup.c index 97c27ddb144d..ed8e41becf0c 100644 --- a/drivers/acpi/sleep/wakeup.c +++ b/drivers/acpi/sleep/wakeup.c | |||
| @@ -64,36 +64,29 @@ void acpi_enable_wakeup_device(u8 sleep_state) | |||
| 64 | ACPI_FUNCTION_TRACE("acpi_enable_wakeup_device"); | 64 | ACPI_FUNCTION_TRACE("acpi_enable_wakeup_device"); |
| 65 | spin_lock(&acpi_device_lock); | 65 | spin_lock(&acpi_device_lock); |
| 66 | list_for_each_safe(node, next, &acpi_wakeup_device_list) { | 66 | list_for_each_safe(node, next, &acpi_wakeup_device_list) { |
| 67 | struct acpi_device *dev = container_of(node, | 67 | struct acpi_device *dev = |
| 68 | struct acpi_device, | 68 | container_of(node, struct acpi_device, wakeup_list); |
| 69 | wakeup_list); | 69 | if (!dev->wakeup.flags.valid) |
| 70 | 70 | continue; | |
| 71 | /* If users want to disable run-wake GPE, | 71 | /* If users want to disable run-wake GPE, |
| 72 | * we only disable it for wake and leave it for runtime | 72 | * we only disable it for wake and leave it for runtime |
| 73 | */ | 73 | */ |
| 74 | if (dev->wakeup.flags.run_wake && !dev->wakeup.state.enabled) { | 74 | if (!dev->wakeup.state.enabled || |
| 75 | spin_unlock(&acpi_device_lock); | 75 | sleep_state > (u32) dev->wakeup.sleep_state) { |
| 76 | acpi_set_gpe_type(dev->wakeup.gpe_device, | 76 | if (dev->wakeup.flags.run_wake) { |
| 77 | dev->wakeup.gpe_number, | 77 | spin_unlock(&acpi_device_lock); |
| 78 | ACPI_GPE_TYPE_RUNTIME); | 78 | /* set_gpe_type will disable GPE, leave it like that */ |
| 79 | /* Re-enable it, since set_gpe_type will disable it */ | 79 | acpi_set_gpe_type(dev->wakeup.gpe_device, |
| 80 | acpi_enable_gpe(dev->wakeup.gpe_device, | 80 | dev->wakeup.gpe_number, |
| 81 | dev->wakeup.gpe_number, ACPI_ISR); | 81 | ACPI_GPE_TYPE_RUNTIME); |
| 82 | spin_lock(&acpi_device_lock); | 82 | spin_lock(&acpi_device_lock); |
| 83 | } | ||
| 83 | continue; | 84 | continue; |
| 84 | } | 85 | } |
| 85 | |||
| 86 | if (!dev->wakeup.flags.valid || | ||
| 87 | !dev->wakeup.state.enabled || | ||
| 88 | (sleep_state > (u32) dev->wakeup.sleep_state)) | ||
| 89 | continue; | ||
| 90 | |||
| 91 | spin_unlock(&acpi_device_lock); | 86 | spin_unlock(&acpi_device_lock); |
| 92 | /* run-wake GPE has been enabled */ | ||
| 93 | if (!dev->wakeup.flags.run_wake) | 87 | if (!dev->wakeup.flags.run_wake) |
| 94 | acpi_enable_gpe(dev->wakeup.gpe_device, | 88 | acpi_enable_gpe(dev->wakeup.gpe_device, |
| 95 | dev->wakeup.gpe_number, ACPI_ISR); | 89 | dev->wakeup.gpe_number, ACPI_ISR); |
| 96 | dev->wakeup.state.active = 1; | ||
| 97 | spin_lock(&acpi_device_lock); | 90 | spin_lock(&acpi_device_lock); |
| 98 | } | 91 | } |
| 99 | spin_unlock(&acpi_device_lock); | 92 | spin_unlock(&acpi_device_lock); |
| @@ -112,26 +105,25 @@ void acpi_disable_wakeup_device(u8 sleep_state) | |||
| 112 | 105 | ||
| 113 | spin_lock(&acpi_device_lock); | 106 | spin_lock(&acpi_device_lock); |
| 114 | list_for_each_safe(node, next, &acpi_wakeup_device_list) { | 107 | list_for_each_safe(node, next, &acpi_wakeup_device_list) { |
| 115 | struct acpi_device *dev = container_of(node, | 108 | struct acpi_device *dev = |
| 116 | struct acpi_device, | 109 | container_of(node, struct acpi_device, wakeup_list); |
| 117 | wakeup_list); | ||
| 118 | 110 | ||
| 119 | if (dev->wakeup.flags.run_wake && !dev->wakeup.state.enabled) { | 111 | if (!dev->wakeup.flags.valid) |
| 120 | spin_unlock(&acpi_device_lock); | ||
| 121 | acpi_set_gpe_type(dev->wakeup.gpe_device, | ||
| 122 | dev->wakeup.gpe_number, | ||
| 123 | ACPI_GPE_TYPE_WAKE_RUN); | ||
| 124 | /* Re-enable it, since set_gpe_type will disable it */ | ||
| 125 | acpi_enable_gpe(dev->wakeup.gpe_device, | ||
| 126 | dev->wakeup.gpe_number, ACPI_NOT_ISR); | ||
| 127 | spin_lock(&acpi_device_lock); | ||
| 128 | continue; | 112 | continue; |
| 129 | } | 113 | if (!dev->wakeup.state.enabled || |
| 130 | 114 | sleep_state > (u32) dev->wakeup.sleep_state) { | |
| 131 | if (!dev->wakeup.flags.valid || | 115 | if (dev->wakeup.flags.run_wake) { |
| 132 | !dev->wakeup.state.active || | 116 | spin_unlock(&acpi_device_lock); |
| 133 | (sleep_state > (u32) dev->wakeup.sleep_state)) | 117 | acpi_set_gpe_type(dev->wakeup.gpe_device, |
| 118 | dev->wakeup.gpe_number, | ||
| 119 | ACPI_GPE_TYPE_WAKE_RUN); | ||
| 120 | /* Re-enable it, since set_gpe_type will disable it */ | ||
| 121 | acpi_enable_gpe(dev->wakeup.gpe_device, | ||
| 122 | dev->wakeup.gpe_number, ACPI_NOT_ISR); | ||
| 123 | spin_lock(&acpi_device_lock); | ||
| 124 | } | ||
| 134 | continue; | 125 | continue; |
| 126 | } | ||
| 135 | 127 | ||
| 136 | spin_unlock(&acpi_device_lock); | 128 | spin_unlock(&acpi_device_lock); |
| 137 | acpi_disable_wakeup_device_power(dev); | 129 | acpi_disable_wakeup_device_power(dev); |
| @@ -142,7 +134,6 @@ void acpi_disable_wakeup_device(u8 sleep_state) | |||
| 142 | acpi_clear_gpe(dev->wakeup.gpe_device, | 134 | acpi_clear_gpe(dev->wakeup.gpe_device, |
| 143 | dev->wakeup.gpe_number, ACPI_NOT_ISR); | 135 | dev->wakeup.gpe_number, ACPI_NOT_ISR); |
| 144 | } | 136 | } |
| 145 | dev->wakeup.state.active = 0; | ||
| 146 | spin_lock(&acpi_device_lock); | 137 | spin_lock(&acpi_device_lock); |
| 147 | } | 138 | } |
| 148 | spin_unlock(&acpi_device_lock); | 139 | spin_unlock(&acpi_device_lock); |
| @@ -160,48 +151,20 @@ static int __init acpi_wakeup_device_init(void) | |||
| 160 | struct acpi_device *dev = container_of(node, | 151 | struct acpi_device *dev = container_of(node, |
| 161 | struct acpi_device, | 152 | struct acpi_device, |
| 162 | wakeup_list); | 153 | wakeup_list); |
| 163 | |||
| 164 | /* In case user doesn't load button driver */ | 154 | /* In case user doesn't load button driver */ |
| 165 | if (dev->wakeup.flags.run_wake && !dev->wakeup.state.enabled) { | 155 | if (!dev->wakeup.flags.run_wake || dev->wakeup.state.enabled) |
| 166 | spin_unlock(&acpi_device_lock); | 156 | continue; |
| 167 | acpi_set_gpe_type(dev->wakeup.gpe_device, | 157 | spin_unlock(&acpi_device_lock); |
| 168 | dev->wakeup.gpe_number, | 158 | acpi_set_gpe_type(dev->wakeup.gpe_device, |
| 169 | ACPI_GPE_TYPE_WAKE_RUN); | 159 | dev->wakeup.gpe_number, |
| 170 | acpi_enable_gpe(dev->wakeup.gpe_device, | 160 | ACPI_GPE_TYPE_WAKE_RUN); |
| 171 | dev->wakeup.gpe_number, ACPI_NOT_ISR); | 161 | acpi_enable_gpe(dev->wakeup.gpe_device, |
| 172 | dev->wakeup.state.enabled = 1; | 162 | dev->wakeup.gpe_number, ACPI_NOT_ISR); |
| 173 | spin_lock(&acpi_device_lock); | 163 | dev->wakeup.state.enabled = 1; |
| 174 | } | 164 | spin_lock(&acpi_device_lock); |
| 175 | } | 165 | } |
| 176 | spin_unlock(&acpi_device_lock); | 166 | spin_unlock(&acpi_device_lock); |
| 177 | |||
| 178 | return 0; | 167 | return 0; |
| 179 | } | 168 | } |
| 180 | 169 | ||
| 181 | late_initcall(acpi_wakeup_device_init); | 170 | late_initcall(acpi_wakeup_device_init); |
| 182 | |||
| 183 | /* | ||
| 184 | * Disable all wakeup GPEs before entering requested sleep state. | ||
| 185 | * @sleep_state: ACPI state | ||
| 186 | * Since acpi_enter_sleep_state() will disable all | ||
| 187 | * RUNTIME GPEs, we simply mark all GPES that | ||
| 188 | * are not enabled for wakeup from requested state as RUNTIME. | ||
| 189 | */ | ||
| 190 | void acpi_gpe_sleep_prepare(u32 sleep_state) | ||
| 191 | { | ||
| 192 | struct list_head *node, *next; | ||
| 193 | |||
| 194 | list_for_each_safe(node, next, &acpi_wakeup_device_list) { | ||
| 195 | struct acpi_device *dev = container_of(node, | ||
| 196 | struct acpi_device, | ||
| 197 | wakeup_list); | ||
| 198 | |||
| 199 | /* The GPE can wakeup system from this state, don't touch it */ | ||
| 200 | if ((u32) dev->wakeup.sleep_state >= sleep_state) | ||
| 201 | continue; | ||
| 202 | /* acpi_set_gpe_type will automatically disable GPE */ | ||
| 203 | acpi_set_gpe_type(dev->wakeup.gpe_device, | ||
| 204 | dev->wakeup.gpe_number, | ||
| 205 | ACPI_GPE_TYPE_RUNTIME); | ||
| 206 | } | ||
| 207 | } | ||
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index 8a388e766162..7b74b60a68a4 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h | |||
| @@ -264,7 +264,6 @@ struct acpi_device_wakeup_flags { | |||
| 264 | 264 | ||
| 265 | struct acpi_device_wakeup_state { | 265 | struct acpi_device_wakeup_state { |
| 266 | u8 enabled:1; | 266 | u8 enabled:1; |
| 267 | u8 active:1; | ||
| 268 | }; | 267 | }; |
| 269 | 268 | ||
| 270 | struct acpi_device_wakeup { | 269 | struct acpi_device_wakeup { |
