diff options
-rw-r--r-- | drivers/acpi/acpica/evevent.c | 11 | ||||
-rw-r--r-- | drivers/acpi/acpica/hwsleep.c | 14 | ||||
-rw-r--r-- | drivers/acpi/acpica/utglobal.c | 4 | ||||
-rw-r--r-- | include/acpi/actypes.h | 3 |
4 files changed, 31 insertions, 1 deletions
diff --git a/drivers/acpi/acpica/evevent.c b/drivers/acpi/acpica/evevent.c index df596d46dd97..82d1728b9bc6 100644 --- a/drivers/acpi/acpica/evevent.c +++ b/drivers/acpi/acpica/evevent.c @@ -142,6 +142,9 @@ static acpi_status acpi_ev_fixed_event_initialize(void) status = acpi_write_bit_register(acpi_gbl_fixed_event_info [i].enable_register_id, + (i == + ACPI_EVENT_PCIE_WAKE) ? + ACPI_ENABLE_EVENT : ACPI_DISABLE_EVENT); if (ACPI_FAILURE(status)) { return (status); @@ -185,6 +188,11 @@ u32 acpi_ev_fixed_event_detect(void) return (int_status); } + if (fixed_enable & ACPI_BITMASK_PCIEXP_WAKE_DISABLE) + fixed_enable &= ~ACPI_BITMASK_PCIEXP_WAKE_DISABLE; + else + fixed_enable |= ACPI_BITMASK_PCIEXP_WAKE_DISABLE; + ACPI_DEBUG_PRINT((ACPI_DB_INTERRUPTS, "Fixed Event Block: Enable %08X Status %08X\n", fixed_enable, fixed_status)); @@ -250,6 +258,9 @@ static u32 acpi_ev_fixed_event_dispatch(u32 event) if (!acpi_gbl_fixed_event_handlers[event].handler) { (void)acpi_write_bit_register(acpi_gbl_fixed_event_info[event]. enable_register_id, + (event == + ACPI_EVENT_PCIE_WAKE) ? + ACPI_ENABLE_EVENT : ACPI_DISABLE_EVENT); ACPI_ERROR((AE_INFO, 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); } diff --git a/drivers/acpi/acpica/utglobal.c b/drivers/acpi/acpica/utglobal.c index cda6e16dddf7..53afa5edb6ec 100644 --- a/drivers/acpi/acpica/utglobal.c +++ b/drivers/acpi/acpica/utglobal.c @@ -186,6 +186,10 @@ struct acpi_fixed_event_info acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS] = ACPI_BITREG_RT_CLOCK_ENABLE, ACPI_BITMASK_RT_CLOCK_STATUS, ACPI_BITMASK_RT_CLOCK_ENABLE}, + /* ACPI_EVENT_PCIE_WAKE */ {ACPI_BITREG_PCIEXP_WAKE_STATUS, + ACPI_BITREG_PCIEXP_WAKE_DISABLE, + ACPI_BITMASK_PCIEXP_WAKE_STATUS, + ACPI_BITMASK_PCIEXP_WAKE_DISABLE}, }; #endif /* !ACPI_REDUCED_HARDWARE */ diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h index 3491e454b2ab..ed725335741e 100644 --- a/include/acpi/actypes.h +++ b/include/acpi/actypes.h @@ -723,7 +723,8 @@ typedef u32 acpi_event_type; #define ACPI_EVENT_POWER_BUTTON 2 #define ACPI_EVENT_SLEEP_BUTTON 3 #define ACPI_EVENT_RTC 4 -#define ACPI_EVENT_MAX 4 +#define ACPI_EVENT_PCIE_WAKE 5 +#define ACPI_EVENT_MAX 5 #define ACPI_NUM_FIXED_EVENTS ACPI_EVENT_MAX + 1 /* |