From: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> commit 8e41e0a575664d26bb87e012c39435c4c3914ed9 upstream. This reverts commit 5c62d5aab8752e5ee7bfbe75ed6060db1c787f98. This broke wake-on-lan for multiple people, and for much too long. Link: https://bugzilla.kernel.org/show_bug.cgi?id=217069 Link: https://lore.kernel.org/all/754225a2-95a9-2c36-1886-7da1a78308c2@xxxxxxxxxxx/ Link: https://github.com/acpica/acpica/pull/866 Cc: Rafael J. Wysocki <rafael@xxxxxxxxxx> Cc: Jianmin Lv <lvjianmin@xxxxxxxxxxx> Cc: Huacai Chen <chenhuacai@xxxxxxxxxxx> Cc: Bob Moore <robert.moore@xxxxxxxxx> Cc: stable@xxxxxxxxxx # 6.2 Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/acpi/acpica/evevent.c | 11 ----------- drivers/acpi/acpica/hwsleep.c | 14 -------------- drivers/acpi/acpica/utglobal.c | 4 ---- include/acpi/actypes.h | 3 +-- 4 files changed, 1 insertion(+), 31 deletions(-) --- a/drivers/acpi/acpica/evevent.c +++ b/drivers/acpi/acpica/evevent.c @@ -142,9 +142,6 @@ static acpi_status acpi_ev_fixed_event_i 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); @@ -188,11 +185,6 @@ 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)); @@ -258,9 +250,6 @@ static u32 acpi_ev_fixed_event_dispatch( 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, --- a/drivers/acpi/acpica/hwsleep.c +++ b/drivers/acpi/acpica/hwsleep.c @@ -311,20 +311,6 @@ acpi_status acpi_hw_legacy_wake(u8 sleep [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); } --- a/drivers/acpi/acpica/utglobal.c +++ b/drivers/acpi/acpica/utglobal.c @@ -186,10 +186,6 @@ struct acpi_fixed_event_info acpi_gbl_fi 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 */ --- a/include/acpi/actypes.h +++ b/include/acpi/actypes.h @@ -723,8 +723,7 @@ 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_PCIE_WAKE 5 -#define ACPI_EVENT_MAX 5 +#define ACPI_EVENT_MAX 4 #define ACPI_NUM_FIXED_EVENTS ACPI_EVENT_MAX + 1 /*
