diff options
Diffstat (limited to 'drivers/acpi/acpica/hwesleep.c')
| -rw-r--r-- | drivers/acpi/acpica/hwesleep.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/acpi/acpica/hwesleep.c b/drivers/acpi/acpica/hwesleep.c index d9be5d0545d4..631fd8e2b774 100644 --- a/drivers/acpi/acpica/hwesleep.c +++ b/drivers/acpi/acpica/hwesleep.c @@ -4,7 +4,7 @@ * Name: hwesleep.c - ACPI Hardware Sleep/Wake Support functions for the * extended FADT-V5 sleep registers. * - * Copyright (C) 2000 - 2020, Intel Corp. + * Copyright (C) 2000 - 2025, Intel Corp. * *****************************************************************************/ @@ -104,7 +104,9 @@ acpi_status acpi_hw_extended_sleep(u8 sleep_state) /* Flush caches, as per ACPI specification */ - ACPI_FLUSH_CPU_CACHE(); + if (sleep_state < ACPI_STATE_S4) { + ACPI_FLUSH_CPU_CACHE(); + } status = acpi_os_enter_sleep(sleep_state, sleep_control, 0); if (status == AE_CTRL_TERMINATE) { @@ -147,17 +149,13 @@ acpi_status acpi_hw_extended_sleep(u8 sleep_state) acpi_status acpi_hw_extended_wake_prep(u8 sleep_state) { - acpi_status status; u8 sleep_type_value; ACPI_FUNCTION_TRACE(hw_extended_wake_prep); - status = acpi_get_sleep_type_data(ACPI_STATE_S0, - &acpi_gbl_sleep_type_a, - &acpi_gbl_sleep_type_b); - if (ACPI_SUCCESS(status)) { + if (acpi_gbl_sleep_type_a_s0 != ACPI_SLEEP_TYPE_INVALID) { sleep_type_value = - ((acpi_gbl_sleep_type_a << ACPI_X_SLEEP_TYPE_POSITION) & + ((acpi_gbl_sleep_type_a_s0 << ACPI_X_SLEEP_TYPE_POSITION) & ACPI_X_SLEEP_TYPE_MASK); (void)acpi_write((u64)(sleep_type_value | ACPI_X_SLEEP_ENABLE), |