summaryrefslogtreecommitdiff
path: root/drivers/acpi/sleep.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/acpi/sleep.c')
-rw-r--r--drivers/acpi/sleep.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 754d59f95500..403c4ff15349 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -940,6 +940,8 @@ static int lps0_device_attach(struct acpi_device *adev,
acpi_handle_debug(adev->handle, "_DSM function mask: 0x%x\n",
bitmask);
+
+ acpi_ec_mark_gpe_for_wake();
} else {
acpi_handle_debug(adev->handle,
"_DSM function 0 evaluation failed\n");
@@ -968,16 +970,23 @@ static int acpi_s2idle_prepare(void)
if (lps0_device_handle) {
acpi_sleep_run_lps0_dsm(ACPI_LPS0_SCREEN_OFF);
acpi_sleep_run_lps0_dsm(ACPI_LPS0_ENTRY);
+
+ acpi_ec_set_gpe_wake_mask(ACPI_GPE_ENABLE);
}
if (acpi_sci_irq_valid())
enable_irq_wake(acpi_sci_irq);
+ /* Change the configuration of GPEs to avoid spurious wakeup. */
+ acpi_enable_all_wakeup_gpes();
+ acpi_os_wait_events_complete();
return 0;
}
static void acpi_s2idle_wake(void)
{
+ if (!lps0_device_handle)
+ return;
if (pm_debug_messages_on)
lpi_check_constraints();
@@ -996,8 +1005,7 @@ static void acpi_s2idle_wake(void)
* takes too much time for EC wakeup events to survive, so look
* for them now.
*/
- if (lps0_device_handle)
- acpi_ec_dispatch_gpe();
+ acpi_ec_dispatch_gpe();
}
}
@@ -1017,10 +1025,14 @@ static void acpi_s2idle_sync(void)
static void acpi_s2idle_restore(void)
{
+ acpi_enable_all_runtime_gpes();
+
if (acpi_sci_irq_valid())
disable_irq_wake(acpi_sci_irq);
if (lps0_device_handle) {
+ acpi_ec_set_gpe_wake_mask(ACPI_GPE_DISABLE);
+
acpi_sleep_run_lps0_dsm(ACPI_LPS0_EXIT);
acpi_sleep_run_lps0_dsm(ACPI_LPS0_SCREEN_ON);
}