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Revert "ACPICA: Events: Support fixed PCIe wake event"

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This reverts commit 5c62d5aab8.

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@loongson.cn/
Link: https://github.com/acpica/acpica/pull/866
Cc: Rafael J. Wysocki <rafael@kernel.org>
Cc: Jianmin Lv <lvjianmin@loongson.cn>
Cc: Huacai Chen <chenhuacai@loongson.cn>
Cc: Bob Moore <robert.moore@intel.com>
Cc: stable@kernel.org # 6.2
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Linus Torvalds 2023-04-21 13:39:10 -07:00
parent c337b23f32
commit 8e41e0a575
4 changed files with 1 additions and 31 deletions
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11
drivers/acpi/acpica/evevent.c
View file

@ -142,9 +142,6 @@ 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);
@ -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(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,

14
drivers/acpi/acpica/hwsleep.c
View file

@ -311,20 +311,6 @@ 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);
}

4
drivers/acpi/acpica/utglobal.c
View file

@ -186,10 +186,6 @@ 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 */

3
include/acpi/actypes.h
View file

@ -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
/*