diff options
Diffstat (limited to 'drivers/acpi/sleep.c')
| -rw-r--r-- | drivers/acpi/sleep.c | 16 |
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); } |