*/
u8 ACPI_INIT_GLOBAL(acpi_gbl_create_osi_method, TRUE);
- /*
- * Disable wakeup GPEs during runtime? Default is TRUE because WAKE and
- * RUNTIME GPEs should never be shared, and WAKE GPEs should typically only
- * be enabled just before going to sleep.
- */
- u8 ACPI_INIT_GLOBAL(acpi_gbl_leave_wake_gpes_disabled, TRUE);
-
/*
* Optionally use default values for the ACPI register widths. Set this to
* TRUE to use the defaults, if an FADT contains incorrect widths/lengths.
/*
* Optionally enable output from the AML Debug Object.
*/
-u8 ACPI_INIT_GLOBAL(acpi_gbl_enable_aml_debug_object, FALSE);
+u32 ACPI_INIT_GLOBAL(acpi_gbl_enable_aml_debug_object, FALSE);
/*
* Optionally copy the entire DSDT to local memory (instead of simply
acpi_status acpi_enable(void)
{
acpi_status status;
+ int retry;
ACPI_FUNCTION_TRACE(acpi_enable);
/* Sanity check that transition succeeded */
- if (acpi_hw_get_mode() != ACPI_SYS_MODE_ACPI) {
- ACPI_ERROR((AE_INFO,
- "Hardware did not enter ACPI mode"));
- return_ACPI_STATUS(AE_NO_HARDWARE_RESPONSE);
+ for (retry = 0; retry < 30000; ++retry) {
+ if (acpi_hw_get_mode() == ACPI_SYS_MODE_ACPI) {
+ if (retry != 0)
+ ACPI_WARNING((AE_INFO,
+ "Platform took > %d00 usec to enter ACPI mode", retry));
+ return_ACPI_STATUS(AE_OK);
+ }
+ acpi_os_stall(100); /* 100 usec */
}
- ACPI_DEBUG_PRINT((ACPI_DB_INIT,
- "Transition to ACPI mode successful\n"));
-
- return_ACPI_STATUS(AE_OK);
+ ACPI_ERROR((AE_INFO, "Hardware did not enter ACPI mode"));
+ return_ACPI_STATUS(AE_NO_HARDWARE_RESPONSE);
}
ACPI_EXPORT_SYMBOL(acpi_enable)
/*******************************************************************************
*
- * FUNCTION: acpi_clear_and_enable_gpe
- *
- * PARAMETERS: gpe_event_info - GPE to enable
- *
- * RETURN: Status
- *
- * DESCRIPTION: Clear the given GPE from stale events and enable it.
- *
- ******************************************************************************/
- static acpi_status
- acpi_clear_and_enable_gpe(struct acpi_gpe_event_info *gpe_event_info)
- {
- acpi_status status;
-
- /*
- * We will only allow a GPE to be enabled if it has either an
- * associated method (_Lxx/_Exx) or a handler. Otherwise, the
- * GPE will be immediately disabled by acpi_ev_gpe_dispatch the
- * first time it fires.
- */
- if (!(gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK)) {
- return_ACPI_STATUS(AE_NO_HANDLER);
- }
-
- /* Clear the GPE (of stale events) */
- status = acpi_hw_clear_gpe(gpe_event_info);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
-
- /* Enable the requested GPE */
- status = acpi_hw_low_set_gpe(gpe_event_info, ACPI_GPE_ENABLE);
-
- return_ACPI_STATUS(status);
- }
-
- /*******************************************************************************
- *
- * FUNCTION: acpi_set_gpe
+ * FUNCTION: acpi_gpe_wakeup
*
* PARAMETERS: gpe_device - Parent GPE Device. NULL for GPE0/GPE1
* gpe_number - GPE level within the GPE block
- * action - ACPI_GPE_ENABLE or ACPI_GPE_DISABLE
+ * Action - Enable or Disable
*
* RETURN: Status
*
- * DESCRIPTION: Enable or disable an individual GPE. This function bypasses
- * the reference count mechanism used in the acpi_enable_gpe and
- * acpi_disable_gpe interfaces -- and should be used with care.
- *
- * Note: Typically used to disable a runtime GPE for short period of time,
- * then re-enable it, without disturbing the existing reference counts. This
- * is useful, for example, in the Embedded Controller (EC) driver.
+ * DESCRIPTION: Set or clear the GPE's wakeup enable mask bit.
*
******************************************************************************/
- acpi_status acpi_set_gpe(acpi_handle gpe_device, u32 gpe_number, u8 action)
+ acpi_status acpi_gpe_wakeup(acpi_handle gpe_device, u32 gpe_number, u8 action)
{
+ acpi_status status = AE_OK;
struct acpi_gpe_event_info *gpe_event_info;
- acpi_status status;
+ struct acpi_gpe_register_info *gpe_register_info;
acpi_cpu_flags flags;
+ u32 register_bit;
- ACPI_FUNCTION_TRACE(acpi_set_gpe);
+ ACPI_FUNCTION_TRACE(acpi_gpe_wakeup);
flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
/* Ensure that we have a valid GPE number */
gpe_event_info = acpi_ev_get_gpe_event_info(gpe_device, gpe_number);
- if (!gpe_event_info) {
+ if (!gpe_event_info || !(gpe_event_info->flags & ACPI_GPE_CAN_WAKE)) {
status = AE_BAD_PARAMETER;
goto unlock_and_exit;
}
+ gpe_register_info = gpe_event_info->register_info;
+ if (!gpe_register_info) {
+ status = AE_NOT_EXIST;
+ goto unlock_and_exit;
+ }
+
+ register_bit =
+ acpi_hw_get_gpe_register_bit(gpe_event_info, gpe_register_info);
+
/* Perform the action */
switch (action) {
case ACPI_GPE_ENABLE:
- status = acpi_clear_and_enable_gpe(gpe_event_info);
+ ACPI_SET_BIT(gpe_register_info->enable_for_wake,
+ (u8)register_bit);
break;
case ACPI_GPE_DISABLE:
- status = acpi_hw_low_set_gpe(gpe_event_info, ACPI_GPE_DISABLE);
+ ACPI_CLEAR_BIT(gpe_register_info->enable_for_wake,
+ (u8)register_bit);
break;
default:
+ ACPI_ERROR((AE_INFO, "%u, Invalid action", action));
status = AE_BAD_PARAMETER;
break;
}
- unlock_and_exit:
+ unlock_and_exit:
acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
return_ACPI_STATUS(status);
}
- ACPI_EXPORT_SYMBOL(acpi_set_gpe)
+ ACPI_EXPORT_SYMBOL(acpi_gpe_wakeup)
/*******************************************************************************
*
*
* PARAMETERS: gpe_device - Parent GPE Device. NULL for GPE0/GPE1
* gpe_number - GPE level within the GPE block
- * gpe_type - ACPI_GPE_TYPE_RUNTIME or ACPI_GPE_TYPE_WAKE
- * or both
*
* RETURN: Status
*
* DESCRIPTION: Add a reference to a GPE. On the first reference, the GPE is
- * hardware-enabled (for runtime GPEs), or the GPE register mask
- * is updated (for wake GPEs).
+ * hardware-enabled.
*
******************************************************************************/
- acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number, u8 gpe_type)
+ acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number)
{
- acpi_status status = AE_OK;
+ acpi_status status = AE_BAD_PARAMETER;
struct acpi_gpe_event_info *gpe_event_info;
acpi_cpu_flags flags;
ACPI_FUNCTION_TRACE(acpi_enable_gpe);
- /* Parameter validation */
-
- if (!gpe_type || (gpe_type & ~ACPI_GPE_TYPE_WAKE_RUN)) {
- return_ACPI_STATUS(AE_BAD_PARAMETER);
- }
-
flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
/* Ensure that we have a valid GPE number */
gpe_event_info = acpi_ev_get_gpe_event_info(gpe_device, gpe_number);
- if (!gpe_event_info) {
- status = AE_BAD_PARAMETER;
- goto unlock_and_exit;
- }
-
- if (gpe_type & ACPI_GPE_TYPE_RUNTIME) {
- if (gpe_event_info->runtime_count == ACPI_UINT8_MAX) {
- status = AE_LIMIT; /* Too many references */
- goto unlock_and_exit;
- }
-
- gpe_event_info->runtime_count++;
- if (gpe_event_info->runtime_count == 1) {
- status = acpi_ev_update_gpe_enable_masks(gpe_event_info);
- if (ACPI_SUCCESS(status)) {
- status = acpi_clear_and_enable_gpe(gpe_event_info);
- }
-
- if (ACPI_FAILURE(status)) {
- gpe_event_info->runtime_count--;
- goto unlock_and_exit;
- }
- }
- }
-
- if (gpe_type & ACPI_GPE_TYPE_WAKE) {
- /* The GPE must have the ability to wake the system */
-
- if (!(gpe_event_info->flags & ACPI_GPE_CAN_WAKE)) {
- status = AE_TYPE;
- goto unlock_and_exit;
- }
-
- if (gpe_event_info->wakeup_count == ACPI_UINT8_MAX) {
- status = AE_LIMIT; /* Too many references */
- goto unlock_and_exit;
- }
-
- /*
- * Update the enable mask on the first wakeup reference. Wake GPEs
- * are only hardware-enabled just before sleeping.
- */
- gpe_event_info->wakeup_count++;
- if (gpe_event_info->wakeup_count == 1) {
- status = acpi_ev_update_gpe_enable_masks(gpe_event_info);
- }
+ if (gpe_event_info) {
+ status = acpi_raw_enable_gpe(gpe_event_info);
}
- unlock_and_exit:
acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
return_ACPI_STATUS(status);
}
*
* PARAMETERS: gpe_device - Parent GPE Device. NULL for GPE0/GPE1
* gpe_number - GPE level within the GPE block
- * gpe_type - ACPI_GPE_TYPE_RUNTIME or ACPI_GPE_TYPE_WAKE
- * or both
*
* RETURN: Status
*
* the GPE mask bit disabled (for wake GPEs)
*
******************************************************************************/
- acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number, u8 gpe_type)
+ acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number)
{
- acpi_status status = AE_OK;
+ acpi_status status = AE_BAD_PARAMETER;
struct acpi_gpe_event_info *gpe_event_info;
acpi_cpu_flags flags;
ACPI_FUNCTION_TRACE(acpi_disable_gpe);
- /* Parameter validation */
+ flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
+
+ /* Ensure that we have a valid GPE number */
- if (!gpe_type || (gpe_type & ~ACPI_GPE_TYPE_WAKE_RUN)) {
- return_ACPI_STATUS(AE_BAD_PARAMETER);
+ gpe_event_info = acpi_ev_get_gpe_event_info(gpe_device, gpe_number);
+ if (gpe_event_info) {
+ status = acpi_raw_disable_gpe(gpe_event_info) ;
}
+ acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
+ return_ACPI_STATUS(status);
+ }
+ ACPI_EXPORT_SYMBOL(acpi_disable_gpe)
+
+ /*******************************************************************************
+ *
+ * FUNCTION: acpi_gpe_can_wake
+ *
+ * PARAMETERS: gpe_device - Parent GPE Device. NULL for GPE0/GPE1
+ * gpe_number - GPE level within the GPE block
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Set the ACPI_GPE_CAN_WAKE flag for the given GPE. If the GPE
+ * has a corresponding method and is currently enabled, disable it
+ * (GPEs with corresponding methods are enabled unconditionally
+ * during initialization, but GPEs that can wake up are expected
+ * to be initially disabled).
+ *
+ ******************************************************************************/
+ acpi_status acpi_gpe_can_wake(acpi_handle gpe_device, u32 gpe_number)
+ {
+ acpi_status status = AE_OK;
+ struct acpi_gpe_event_info *gpe_event_info;
+ acpi_cpu_flags flags;
+
+ ACPI_FUNCTION_TRACE(acpi_gpe_can_wake);
+
flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
/* Ensure that we have a valid GPE number */
goto unlock_and_exit;
}
- /* Hardware-disable a runtime GPE on removal of the last reference */
-
- if (gpe_type & ACPI_GPE_TYPE_RUNTIME) {
- if (!gpe_event_info->runtime_count) {
- status = AE_LIMIT; /* There are no references to remove */
- goto unlock_and_exit;
- }
-
- gpe_event_info->runtime_count--;
- if (!gpe_event_info->runtime_count) {
- status = acpi_ev_update_gpe_enable_masks(gpe_event_info);
- if (ACPI_SUCCESS(status)) {
- status = acpi_hw_low_set_gpe(gpe_event_info,
- ACPI_GPE_DISABLE);
- }
-
- if (ACPI_FAILURE(status)) {
- gpe_event_info->runtime_count++;
- goto unlock_and_exit;
- }
- }
+ if (gpe_event_info->flags & ACPI_GPE_CAN_WAKE) {
+ goto unlock_and_exit;
}
- /*
- * Update masks for wake GPE on removal of the last reference.
- * No need to hardware-disable wake GPEs here, they are not currently
- * enabled.
- */
- if (gpe_type & ACPI_GPE_TYPE_WAKE) {
- if (!gpe_event_info->wakeup_count) {
- status = AE_LIMIT; /* There are no references to remove */
- goto unlock_and_exit;
- }
-
- gpe_event_info->wakeup_count--;
- if (!gpe_event_info->wakeup_count) {
- status = acpi_ev_update_gpe_enable_masks(gpe_event_info);
- }
+ gpe_event_info->flags |= ACPI_GPE_CAN_WAKE;
+ if (gpe_event_info->flags & ACPI_GPE_DISPATCH_METHOD) {
+ (void)acpi_raw_disable_gpe(gpe_event_info);
}
unlock_and_exit:
acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
return_ACPI_STATUS(status);
}
- ACPI_EXPORT_SYMBOL(acpi_disable_gpe)
+ ACPI_EXPORT_SYMBOL(acpi_gpe_can_wake)
/*******************************************************************************
*
obj_desc->device.gpe_block = gpe_block;
- /* Run the _PRW methods and enable the runtime GPEs in the new block */
+ /* Enable the runtime GPEs in the new block */
status = acpi_ev_initialize_gpe_block(node, gpe_block);
}
ACPI_FLUSH_CPU_CACHE();
- acpi_enable_wakeup_device_prep(acpi_state);
#endif
printk(KERN_INFO PREFIX "Preparing to enter system sleep state S%d\n",
acpi_state);
+ acpi_enable_wakeup_devices(acpi_state);
acpi_enter_sleep_state_prep(acpi_state);
return 0;
}
#ifdef CONFIG_ACPI_SLEEP
static u32 acpi_target_sleep_state = ACPI_STATE_S0;
+/*
+ * The ACPI specification wants us to save NVS memory regions during hibernation
+ * and to restore them during the subsequent resume. Windows does that also for
+ * suspend to RAM. However, it is known that this mechanism does not work on
+ * all machines, so we allow the user to disable it with the help of the
+ * 'acpi_sleep=nonvs' kernel command line option.
+ */
+static bool nvs_nosave;
+
+void __init acpi_nvs_nosave(void)
+{
+ nvs_nosave = true;
+}
+
/*
* ACPI 1.0 wants us to execute _PTS before suspending devices, so we allow the
* user to request that behavior by using the 'acpi_old_suspend_ordering'
return 0;
}
+/**
+ * acpi_pre_suspend - Enable wakeup devices, "freeze" EC and save NVS.
+ */
+static int acpi_pm_pre_suspend(void)
+{
+ acpi_pm_freeze();
+ suspend_nvs_save();
+ return 0;
+}
+
/**
* __acpi_pm_prepare - Prepare the platform to enter the target state.
*
static int __acpi_pm_prepare(void)
{
int error = acpi_sleep_prepare(acpi_target_sleep_state);
-
- suspend_nvs_save();
-
if (error)
acpi_target_sleep_state = ACPI_STATE_S0;
+
return error;
}
static int acpi_pm_prepare(void)
{
int error = __acpi_pm_prepare();
-
if (!error)
- acpi_pm_freeze();
+ acpi_pm_pre_suspend();
return error;
}
{
u32 acpi_state = acpi_target_sleep_state;
- suspend_nvs_free();
acpi_ec_unblock_transactions();
if (acpi_state == ACPI_STATE_S0)
printk(KERN_INFO PREFIX "Waking up from system sleep state S%d\n",
acpi_state);
- acpi_disable_wakeup_device(acpi_state);
+ acpi_disable_wakeup_devices(acpi_state);
acpi_leave_sleep_state(acpi_state);
/* reset firmware waking vector */
*/
static void acpi_pm_end(void)
{
+ suspend_nvs_free();
/*
* This is necessary in case acpi_pm_finish() is not called during a
* failing transition to a sleep state.
u32 acpi_state = acpi_suspend_states[pm_state];
int error = 0;
- error = suspend_nvs_alloc();
-
+ error = nvs_nosave ? 0 : suspend_nvs_alloc();
if (error)
return error;
}
local_irq_save(flags);
- acpi_enable_wakeup_device(acpi_state);
switch (acpi_state) {
case ACPI_STATE_S1:
barrier();
return ACPI_SUCCESS(status) ? 0 : -EFAULT;
}
-static void acpi_suspend_finish(void)
-{
- acpi_pm_finish();
-}
-
static int acpi_suspend_state_valid(suspend_state_t pm_state)
{
u32 acpi_state;
.begin = acpi_suspend_begin,
.prepare_late = acpi_pm_prepare,
.enter = acpi_suspend_enter,
- .wake = acpi_suspend_finish,
+ .wake = acpi_pm_finish,
.end = acpi_pm_end,
};
static int acpi_suspend_begin_old(suspend_state_t pm_state)
{
int error = acpi_suspend_begin(pm_state);
-
if (!error)
error = __acpi_pm_prepare();
+
return error;
}
static struct platform_suspend_ops acpi_suspend_ops_old = {
.valid = acpi_suspend_state_valid,
.begin = acpi_suspend_begin_old,
- .prepare_late = acpi_pm_freeze,
+ .prepare_late = acpi_pm_pre_suspend,
.enter = acpi_suspend_enter,
- .wake = acpi_suspend_finish,
+ .wake = acpi_pm_finish,
.end = acpi_pm_end,
.recover = acpi_pm_finish,
};
#endif /* CONFIG_SUSPEND */
#ifdef CONFIG_HIBERNATION
-/*
- * The ACPI specification wants us to save NVS memory regions during hibernation
- * and to restore them during the subsequent resume. However, it is not certain
- * if this mechanism is going to work on all machines, so we allow the user to
- * disable this mechanism using the 'acpi_sleep=s4_nonvs' kernel command line
- * option.
- */
-static bool s4_no_nvs;
-
-void __init acpi_s4_no_nvs(void)
-{
- s4_no_nvs = true;
-}
-
static unsigned long s4_hardware_signature;
static struct acpi_table_facs *facs;
static bool nosigcheck;
{
int error;
- error = s4_no_nvs ? 0 : suspend_nvs_alloc();
+ error = nvs_nosave ? 0 : suspend_nvs_alloc();
if (!error) {
acpi_target_sleep_state = ACPI_STATE_S4;
acpi_sleep_tts_switch(acpi_target_sleep_state);
return error;
}
-static int acpi_hibernation_pre_snapshot(void)
-{
- int error = acpi_pm_prepare();
-
- if (!error)
- suspend_nvs_save();
-
- return error;
-}
-
static int acpi_hibernation_enter(void)
{
acpi_status status = AE_OK;
ACPI_FLUSH_CPU_CACHE();
local_irq_save(flags);
- acpi_enable_wakeup_device(ACPI_STATE_S4);
/* This shouldn't return. If it returns, we have a problem */
status = acpi_enter_sleep_state(ACPI_STATE_S4);
/* Reprogram control registers and execute _BFS */
static struct platform_hibernation_ops acpi_hibernation_ops = {
.begin = acpi_hibernation_begin,
.end = acpi_pm_end,
- .pre_snapshot = acpi_hibernation_pre_snapshot,
+ .pre_snapshot = acpi_pm_prepare,
.finish = acpi_pm_finish,
.prepare = acpi_pm_prepare,
.enter = acpi_hibernation_enter,
error = acpi_sleep_prepare(ACPI_STATE_S4);
if (!error) {
- if (!s4_no_nvs)
+ if (!nvs_nosave)
error = suspend_nvs_alloc();
if (!error)
acpi_target_sleep_state = ACPI_STATE_S4;
return error;
}
-static int acpi_hibernation_pre_snapshot_old(void)
-{
- acpi_pm_freeze();
- suspend_nvs_save();
- return 0;
-}
-
/*
* The following callbacks are used if the pre-ACPI 2.0 suspend ordering has
* been requested.
static struct platform_hibernation_ops acpi_hibernation_ops_old = {
.begin = acpi_hibernation_begin_old,
.end = acpi_pm_end,
- .pre_snapshot = acpi_hibernation_pre_snapshot_old,
+ .pre_snapshot = acpi_pm_pre_suspend,
.prepare = acpi_pm_freeze,
.finish = acpi_pm_finish,
.enter = acpi_hibernation_enter,
return -ENODEV;
}
- if (enable) {
- error = acpi_enable_wakeup_device_power(adev,
- acpi_target_sleep_state);
- if (!error)
- acpi_enable_gpe(adev->wakeup.gpe_device,
- adev->wakeup.gpe_number,
- ACPI_GPE_TYPE_WAKE);
- } else {
- acpi_disable_gpe(adev->wakeup.gpe_device, adev->wakeup.gpe_number,
- ACPI_GPE_TYPE_WAKE);
- error = acpi_disable_wakeup_device_power(adev);
- }
+ error = enable ?
+ acpi_enable_wakeup_device_power(adev, acpi_target_sleep_state) :
+ acpi_disable_wakeup_device_power(adev);
if (!error)
dev_info(dev, "wake-up capability %s by ACPI\n",
enable ? "enabled" : "disabled");
/* acpi_sleep_prepare(ACPI_STATE_S5) should have already been called */
printk(KERN_DEBUG "%s called\n", __func__);
local_irq_disable();
- acpi_enable_wakeup_device(ACPI_STATE_S5);
acpi_enter_sleep_state(ACPI_STATE_S5);
}
ACPI_MODULE_NAME("wakeup_devices")
/**
- * acpi_enable_wakeup_device_prep - Prepare wake-up devices.
+ * acpi_enable_wakeup_devices - Enable wake-up device GPEs.
* @sleep_state: ACPI system sleep state.
*
- * Enable all wake-up devices' power, unless the requested system sleep state is
- * too deep.
+ * Enable wakeup device power of devices with the state.enable flag set and set
+ * the wakeup enable mask bits in the GPE registers that correspond to wakeup
+ * devices.
*/
-void acpi_enable_wakeup_device_prep(u8 sleep_state)
+void acpi_enable_wakeup_devices(u8 sleep_state)
{
struct list_head *node, *next;
- list_for_each_safe(node, next, &acpi_wakeup_device_list) {
- struct acpi_device *dev = container_of(node,
- struct acpi_device,
- wakeup_list);
-
- if (!dev->wakeup.flags.valid || !dev->wakeup.state.enabled
- || (sleep_state > (u32) dev->wakeup.sleep_state))
- continue;
-
- acpi_enable_wakeup_device_power(dev, sleep_state);
- }
-}
-
-/**
- * acpi_enable_wakeup_device - Enable wake-up device GPEs.
- * @sleep_state: ACPI system sleep state.
- *
- * Enable all wake-up devices' GPEs, with the assumption that
- * acpi_disable_all_gpes() was executed before, so we don't need to disable any
- * GPEs here.
- */
-void acpi_enable_wakeup_device(u8 sleep_state)
-{
- struct list_head *node, *next;
-
- /*
- * Caution: this routine must be invoked when interrupt is disabled
- * Refer ACPI2.0: P212
- */
list_for_each_safe(node, next, &acpi_wakeup_device_list) {
struct acpi_device *dev =
container_of(node, struct acpi_device, wakeup_list);
- if (!dev->wakeup.flags.valid || !dev->wakeup.state.enabled
+ if (!dev->wakeup.flags.valid
+ || !(dev->wakeup.state.enabled || dev->wakeup.prepare_count)
|| sleep_state > (u32) dev->wakeup.sleep_state)
continue;
+ if (dev->wakeup.state.enabled)
+ acpi_enable_wakeup_device_power(dev, sleep_state);
+
/* The wake-up power should have been enabled already. */
- acpi_enable_gpe(dev->wakeup.gpe_device, dev->wakeup.gpe_number,
- ACPI_GPE_TYPE_WAKE);
+ acpi_gpe_wakeup(dev->wakeup.gpe_device, dev->wakeup.gpe_number,
+ ACPI_GPE_ENABLE);
}
}
/**
- * acpi_disable_wakeup_device - Disable devices' wakeup capability.
+ * acpi_disable_wakeup_devices - Disable devices' wakeup capability.
* @sleep_state: ACPI system sleep state.
- *
- * This function only affects devices with wakeup.state.enabled set, which means
- * that it reverses the changes made by acpi_enable_wakeup_device_prep().
*/
-void acpi_disable_wakeup_device(u8 sleep_state)
+void acpi_disable_wakeup_devices(u8 sleep_state)
{
struct list_head *node, *next;
struct acpi_device *dev =
container_of(node, struct acpi_device, wakeup_list);
- if (!dev->wakeup.flags.valid || !dev->wakeup.state.enabled
+ if (!dev->wakeup.flags.valid
+ || !(dev->wakeup.state.enabled || dev->wakeup.prepare_count)
|| (sleep_state > (u32) dev->wakeup.sleep_state))
continue;
- acpi_disable_gpe(dev->wakeup.gpe_device, dev->wakeup.gpe_number,
- ACPI_GPE_TYPE_WAKE);
- acpi_disable_wakeup_device_power(dev);
+ acpi_gpe_wakeup(dev->wakeup.gpe_device, dev->wakeup.gpe_number,
+ ACPI_GPE_DISABLE);
+
+ if (dev->wakeup.state.enabled)
+ acpi_disable_wakeup_device_power(dev);
}
}
/* Current ACPICA subsystem version in YYYYMMDD format */
- #define ACPI_CA_VERSION 0x20100428
+ #define ACPI_CA_VERSION 0x20100702
#include "actypes.h"
#include "actbl.h"
extern u8 acpi_gbl_enable_interpreter_slack;
extern u8 acpi_gbl_all_methods_serialized;
extern u8 acpi_gbl_create_osi_method;
- extern u8 acpi_gbl_leave_wake_gpes_disabled;
extern u8 acpi_gbl_use_default_register_widths;
extern acpi_name acpi_gbl_trace_method_name;
extern u32 acpi_gbl_trace_flags;
-extern u8 acpi_gbl_enable_aml_debug_object;
+extern u32 acpi_gbl_enable_aml_debug_object;
extern u8 acpi_gbl_copy_dsdt_locally;
extern u8 acpi_gbl_truncate_io_addresses;
/*
* GPE Interfaces
*/
- acpi_status acpi_set_gpe(acpi_handle gpe_device, u32 gpe_number, u8 action);
+ acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number);
- acpi_status
- acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number, u8 gpe_type);
+ acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number);
- acpi_status
- acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number, u8 gpe_type);
+ acpi_status acpi_gpe_can_wake(acpi_handle gpe_device, u32 gpe_number);
acpi_status acpi_clear_gpe(acpi_handle gpe_device, u32 gpe_number);
+ acpi_status acpi_gpe_wakeup(acpi_handle gpe_device, u32 gpe_number, u8 action);
+
acpi_status
acpi_get_gpe_status(acpi_handle gpe_device,
u32 gpe_number, acpi_event_status *event_status);
projects / cascardo / linux.git / commitdiff