diff options
Diffstat (limited to 'drivers/acpi/acpica/hwsleep.c')
| -rw-r--r-- | drivers/acpi/acpica/hwsleep.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/hwsleep.c b/drivers/acpi/acpica/hwsleep.c index bd936476dda9..37b3f641feaa 100644 --- a/drivers/acpi/acpica/hwsleep.c +++ b/drivers/acpi/acpica/hwsleep.c @@ -311,6 +311,20 @@ acpi_status acpi_hw_legacy_wake(u8 sleep_state) [ACPI_EVENT_SLEEP_BUTTON]. status_register_id, ACPI_CLEAR_STATUS); + /* Enable pcie wake event if support */ + if ((acpi_gbl_FADT.flags & ACPI_FADT_PCI_EXPRESS_WAKE)) { + (void) + acpi_write_bit_register(acpi_gbl_fixed_event_info + [ACPI_EVENT_PCIE_WAKE]. + enable_register_id, + ACPI_DISABLE_EVENT); + (void) + acpi_write_bit_register(acpi_gbl_fixed_event_info + [ACPI_EVENT_PCIE_WAKE]. + status_register_id, + ACPI_CLEAR_STATUS); + } + acpi_hw_execute_sleep_method(METHOD_PATHNAME__SST, ACPI_SST_WORKING); return_ACPI_STATUS(status); } |