diff options
| author | John Allen <john.allen@amd.com> | 2024-07-30 18:17:30 +0300 |
|---|---|---|
| committer | Borislav Petkov (AMD) <bp@alien8.de> | 2024-08-01 15:23:39 +0300 |
| commit | f0fcdd2cb0db62605d85f3b97a1b443e7c91f886 (patch) | |
| tree | 594bfd126222533905e34d41004019eec46bccf7 /include | |
| parent | 8400291e289ee6b2bf9779ff1c83a291501f017b (diff) | |
| download | linux-f0fcdd2cb0db62605d85f3b97a1b443e7c91f886.tar.xz | |
ACPI: PRM: Add PRM handler direct call support
Platform Runtime Mechanism (PRM) handlers can be invoked from either the AML
interpreter or directly by an OS driver. Implement the latter.
[ bp: Massage commit message. ]
Signed-off-by: John Allen <john.allen@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Yazen Ghannam <yazen.ghannam@amd.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/20240730151731.15363-2-john.allen@amd.com
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/prmt.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/prmt.h b/include/linux/prmt.h index 24da8364b919..9c094294403f 100644 --- a/include/linux/prmt.h +++ b/include/linux/prmt.h @@ -2,6 +2,11 @@ #ifdef CONFIG_ACPI_PRMT void init_prmt(void); +int acpi_call_prm_handler(guid_t handler_guid, void *param_buffer); #else static inline void init_prmt(void) { } +static inline int acpi_call_prm_handler(guid_t handler_guid, void *param_buffer) +{ + return -EOPNOTSUPP; +} #endif |