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-rw-r--r--drivers/acpi/battery.c2
-rw-r--r--drivers/acpi/button.c5
-rw-r--r--drivers/acpi/device_pm.c3
-rw-r--r--drivers/acpi/sleep.c28
-rw-r--r--drivers/base/power/main.c5
-rw-r--r--drivers/base/power/wakeup.c54
-rw-r--r--drivers/cpuidle/cpuidle.c3
-rw-r--r--drivers/idle/intel_idle.c2
-rw-r--r--drivers/powercap/intel_rapl.c1
9 files changed, 69 insertions, 34 deletions
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index d42eeef9d928..a9a9ab3399d4 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -782,7 +782,7 @@ static int acpi_battery_update(struct acpi_battery *battery, bool resume)
if ((battery->state & ACPI_BATTERY_STATE_CRITICAL) ||
(test_bit(ACPI_BATTERY_ALARM_PRESENT, &battery->flags) &&
(battery->capacity_now <= battery->alarm)))
- pm_wakeup_event(&battery->device->dev, 0);
+ pm_wakeup_hard_event(&battery->device->dev);
return result;
}
diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c
index 668137e4a069..b7c2a06963d6 100644
--- a/drivers/acpi/button.c
+++ b/drivers/acpi/button.c
@@ -216,7 +216,7 @@ static int acpi_lid_notify_state(struct acpi_device *device, int state)
}
if (state)
- pm_wakeup_event(&device->dev, 0);
+ pm_wakeup_hard_event(&device->dev);
ret = blocking_notifier_call_chain(&acpi_lid_notifier, state, device);
if (ret == NOTIFY_DONE)
@@ -398,7 +398,7 @@ static void acpi_button_notify(struct acpi_device *device, u32 event)
} else {
int keycode;
- pm_wakeup_event(&device->dev, 0);
+ pm_wakeup_hard_event(&device->dev);
if (button->suspended)
break;
@@ -530,6 +530,7 @@ static int acpi_button_add(struct acpi_device *device)
lid_device = device;
}
+ device_init_wakeup(&device->dev, true);
printk(KERN_INFO PREFIX "%s [%s]\n", name, acpi_device_bid(device));
return 0;
diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c
index 993fd31394c8..798d5003a039 100644
--- a/drivers/acpi/device_pm.c
+++ b/drivers/acpi/device_pm.c
@@ -24,6 +24,7 @@
#include <linux/pm_qos.h>
#include <linux/pm_domain.h>
#include <linux/pm_runtime.h>
+#include <linux/suspend.h>
#include "internal.h"
@@ -399,7 +400,7 @@ static void acpi_pm_notify_handler(acpi_handle handle, u32 val, void *not_used)
mutex_lock(&acpi_pm_notifier_lock);
if (adev->wakeup.flags.notifier_present) {
- __pm_wakeup_event(adev->wakeup.ws, 0);
+ pm_wakeup_ws_event(adev->wakeup.ws, 0, true);
if (adev->wakeup.context.work.func)
queue_pm_work(&adev->wakeup.context.work);
}
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index a4327af676fe..e84005d642e6 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -662,14 +662,40 @@ static int acpi_freeze_prepare(void)
acpi_os_wait_events_complete();
if (acpi_sci_irq_valid())
enable_irq_wake(acpi_sci_irq);
+
return 0;
}
+static void acpi_freeze_wake(void)
+{
+ /*
+ * If IRQD_WAKEUP_ARMED is not set for the SCI at this point, it means
+ * that the SCI has triggered while suspended, so cancel the wakeup in
+ * case it has not been a wakeup event (the GPEs will be checked later).
+ */
+ if (acpi_sci_irq_valid() &&
+ !irqd_is_wakeup_armed(irq_get_irq_data(acpi_sci_irq)))
+ pm_system_cancel_wakeup();
+}
+
+static void acpi_freeze_sync(void)
+{
+ /*
+ * Process all pending events in case there are any wakeup ones.
+ *
+ * The EC driver uses the system workqueue, so that one needs to be
+ * flushed too.
+ */
+ acpi_os_wait_events_complete();
+ flush_scheduled_work();
+}
+
static void acpi_freeze_restore(void)
{
acpi_disable_wakeup_devices(ACPI_STATE_S0);
if (acpi_sci_irq_valid())
disable_irq_wake(acpi_sci_irq);
+
acpi_enable_all_runtime_gpes();
}
@@ -681,6 +707,8 @@ static void acpi_freeze_end(void)
static const struct platform_freeze_ops acpi_freeze_ops = {
.begin = acpi_freeze_begin,
.prepare = acpi_freeze_prepare,
+ .wake = acpi_freeze_wake,
+ .sync = acpi_freeze_sync,
.restore = acpi_freeze_restore,
.end = acpi_freeze_end,
};
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index 9faee1c893e5..e987a6f55d36 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -1091,11 +1091,6 @@ static int __device_suspend_noirq(struct device *dev, pm_message_t state, bool a
if (async_error)
goto Complete;
- if (pm_wakeup_pending()) {
- async_error = -EBUSY;
- goto Complete;
- }
-
if (dev->power.syscore || dev->power.direct_complete)
goto Complete;
diff --git a/drivers/base/power/wakeup.c b/drivers/base/power/wakeup.c
index 136854970489..f62082fdd670 100644
--- a/drivers/base/power/wakeup.c
+++ b/drivers/base/power/wakeup.c
@@ -28,8 +28,8 @@ bool events_check_enabled __read_mostly;
/* First wakeup IRQ seen by the kernel in the last cycle. */
unsigned int pm_wakeup_irq __read_mostly;
-/* If set and the system is suspending, terminate the suspend. */
-static bool pm_abort_suspend __read_mostly;
+/* If greater than 0 and the system is suspending, terminate the suspend. */
+static atomic_t pm_abort_suspend __read_mostly;
/*
* Combined counters of registered wakeup events and wakeup events in progress.
@@ -512,12 +512,13 @@ static bool wakeup_source_not_registered(struct wakeup_source *ws)
/**
* wakup_source_activate - Mark given wakeup source as active.
* @ws: Wakeup source to handle.
+ * @hard: If set, abort suspends in progress and wake up from suspend-to-idle.
*
* Update the @ws' statistics and, if @ws has just been activated, notify the PM
* core of the event by incrementing the counter of of wakeup events being
* processed.
*/
-static void wakeup_source_activate(struct wakeup_source *ws)
+static void wakeup_source_activate(struct wakeup_source *ws, bool hard)
{
unsigned int cec;
@@ -525,11 +526,8 @@ static void wakeup_source_activate(struct wakeup_source *ws)
"unregistered wakeup source\n"))
return;
- /*
- * active wakeup source should bring the system
- * out of PM_SUSPEND_FREEZE state
- */
- freeze_wake();
+ if (hard)
+ pm_system_wakeup();
ws->active = true;
ws->active_count++;
@@ -546,8 +544,9 @@ static void wakeup_source_activate(struct wakeup_source *ws)
/**
* wakeup_source_report_event - Report wakeup event using the given source.
* @ws: Wakeup source to report the event for.
+ * @hard: If set, abort suspends in progress and wake up from suspend-to-idle.
*/
-static void wakeup_source_report_event(struct wakeup_source *ws)
+static void wakeup_source_report_event(struct wakeup_source *ws, bool hard)
{
ws->event_count++;
/* This is racy, but the counter is approximate anyway. */
@@ -555,7 +554,7 @@ static void wakeup_source_report_event(struct wakeup_source *ws)
ws->wakeup_count++;
if (!ws->active)
- wakeup_source_activate(ws);
+ wakeup_source_activate(ws, hard);
}
/**
@@ -573,7 +572,7 @@ void __pm_stay_awake(struct wakeup_source *ws)
spin_lock_irqsave(&ws->lock, flags);
- wakeup_source_report_event(ws);
+ wakeup_source_report_event(ws, false);
del_timer(&ws->timer);
ws->timer_expires = 0;
@@ -739,9 +738,10 @@ static void pm_wakeup_timer_fn(unsigned long data)
}
/**
- * __pm_wakeup_event - Notify the PM core of a wakeup event.
+ * pm_wakeup_ws_event - Notify the PM core of a wakeup event.
* @ws: Wakeup source object associated with the event source.
* @msec: Anticipated event processing time (in milliseconds).
+ * @hard: If set, abort suspends in progress and wake up from suspend-to-idle.
*
* Notify the PM core of a wakeup event whose source is @ws that will take
* approximately @msec milliseconds to be processed by the kernel. If @ws is
@@ -750,7 +750,7 @@ static void pm_wakeup_timer_fn(unsigned long data)
*
* It is safe to call this function from interrupt context.
*/
-void __pm_wakeup_event(struct wakeup_source *ws, unsigned int msec)
+void pm_wakeup_ws_event(struct wakeup_source *ws, unsigned int msec, bool hard)
{
unsigned long flags;
unsigned long expires;
@@ -760,7 +760,7 @@ void __pm_wakeup_event(struct wakeup_source *ws, unsigned int msec)
spin_lock_irqsave(&ws->lock, flags);
- wakeup_source_report_event(ws);
+ wakeup_source_report_event(ws, hard);
if (!msec) {
wakeup_source_deactivate(ws);
@@ -779,17 +779,17 @@ void __pm_wakeup_event(struct wakeup_source *ws, unsigned int msec)
unlock:
spin_unlock_irqrestore(&ws->lock, flags);
}
-EXPORT_SYMBOL_GPL(__pm_wakeup_event);
-
+EXPORT_SYMBOL_GPL(pm_wakeup_ws_event);
/**
* pm_wakeup_event - Notify the PM core of a wakeup event.
* @dev: Device the wakeup event is related to.
* @msec: Anticipated event processing time (in milliseconds).
+ * @hard: If set, abort suspends in progress and wake up from suspend-to-idle.
*
- * Call __pm_wakeup_event() for the @dev's wakeup source object.
+ * Call pm_wakeup_ws_event() for the @dev's wakeup source object.
*/
-void pm_wakeup_event(struct device *dev, unsigned int msec)
+void pm_wakeup_dev_event(struct device *dev, unsigned int msec, bool hard)
{
unsigned long flags;
@@ -797,10 +797,10 @@ void pm_wakeup_event(struct device *dev, unsigned int msec)
return;
spin_lock_irqsave(&dev->power.lock, flags);
- __pm_wakeup_event(dev->power.wakeup, msec);
+ pm_wakeup_ws_event(dev->power.wakeup, msec, hard);
spin_unlock_irqrestore(&dev->power.lock, flags);
}
-EXPORT_SYMBOL_GPL(pm_wakeup_event);
+EXPORT_SYMBOL_GPL(pm_wakeup_dev_event);
void pm_print_active_wakeup_sources(void)
{
@@ -856,20 +856,26 @@ bool pm_wakeup_pending(void)
pm_print_active_wakeup_sources();
}
- return ret || pm_abort_suspend;
+ return ret || atomic_read(&pm_abort_suspend) > 0;
}
void pm_system_wakeup(void)
{
- pm_abort_suspend = true;
+ atomic_inc(&pm_abort_suspend);
freeze_wake();
}
EXPORT_SYMBOL_GPL(pm_system_wakeup);
-void pm_wakeup_clear(void)
+void pm_system_cancel_wakeup(void)
+{
+ atomic_dec(&pm_abort_suspend);
+}
+
+void pm_wakeup_clear(bool reset)
{
- pm_abort_suspend = false;
pm_wakeup_irq = 0;
+ if (reset)
+ atomic_set(&pm_abort_suspend, 0);
}
void pm_system_irq_wakeup(unsigned int irq_number)
diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c
index 548b90be7685..2706be7ed334 100644
--- a/drivers/cpuidle/cpuidle.c
+++ b/drivers/cpuidle/cpuidle.c
@@ -111,7 +111,8 @@ void cpuidle_use_deepest_state(bool enable)
preempt_disable();
dev = cpuidle_get_device();
- dev->use_deepest_state = enable;
+ if (dev)
+ dev->use_deepest_state = enable;
preempt_enable();
}
diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
index 5805b041dd0f..216d7ec88c0c 100644
--- a/drivers/idle/intel_idle.c
+++ b/drivers/idle/intel_idle.c
@@ -1097,6 +1097,7 @@ static const struct x86_cpu_id intel_idle_ids[] __initconst = {
ICPU(INTEL_FAM6_XEON_PHI_KNL, idle_cpu_knl),
ICPU(INTEL_FAM6_XEON_PHI_KNM, idle_cpu_knl),
ICPU(INTEL_FAM6_ATOM_GOLDMONT, idle_cpu_bxt),
+ ICPU(INTEL_FAM6_ATOM_GEMINI_LAKE, idle_cpu_bxt),
ICPU(INTEL_FAM6_ATOM_DENVERTON, idle_cpu_dnv),
{}
};
@@ -1309,6 +1310,7 @@ static void intel_idle_state_table_update(void)
ivt_idle_state_table_update();
break;
case INTEL_FAM6_ATOM_GOLDMONT:
+ case INTEL_FAM6_ATOM_GEMINI_LAKE:
bxt_idle_state_table_update();
break;
case INTEL_FAM6_SKYLAKE_DESKTOP:
diff --git a/drivers/powercap/intel_rapl.c b/drivers/powercap/intel_rapl.c
index 9a25110c4a46..9ddad0815ba9 100644
--- a/drivers/powercap/intel_rapl.c
+++ b/drivers/powercap/intel_rapl.c
@@ -1164,6 +1164,7 @@ static const struct x86_cpu_id rapl_ids[] __initconst = {
RAPL_CPU(INTEL_FAM6_ATOM_MERRIFIELD, rapl_defaults_tng),
RAPL_CPU(INTEL_FAM6_ATOM_MOOREFIELD, rapl_defaults_ann),
RAPL_CPU(INTEL_FAM6_ATOM_GOLDMONT, rapl_defaults_core),
+ RAPL_CPU(INTEL_FAM6_ATOM_GEMINI_LAKE, rapl_defaults_core),
RAPL_CPU(INTEL_FAM6_ATOM_DENVERTON, rapl_defaults_core),
RAPL_CPU(INTEL_FAM6_XEON_PHI_KNL, rapl_defaults_hsw_server),
generated by cgit v1.2.3 (git 2.39.1) at 2024-08-16 12:24:20 +0000