diff options
Diffstat (limited to 'include/acpi/platform/acenv.h')
| -rw-r--r-- | include/acpi/platform/acenv.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/include/acpi/platform/acenv.h b/include/acpi/platform/acenv.h index 337ffa931ee8..a11fa83955f8 100644 --- a/include/acpi/platform/acenv.h +++ b/include/acpi/platform/acenv.h @@ -3,7 +3,7 @@ * * Name: acenv.h - Host and compiler configuration * - * Copyright (C) 2000 - 2023, Intel Corp. + * Copyright (C) 2000 - 2025, Intel Corp. * *****************************************************************************/ @@ -252,6 +252,12 @@ #define ACPI_RELEASE_GLOBAL_LOCK(Glptr, pending) pending = 0 #endif +/* NULL/invalid value to use for destroyed or not-yet-created semaphores. */ + +#ifndef ACPI_SEMAPHORE_NULL +#define ACPI_SEMAPHORE_NULL NULL +#endif + /* Flush CPU cache - used when going to sleep. Wbinvd or similar. */ #ifndef ACPI_FLUSH_CPU_CACHE |