Seen the following build error: ./include/linux/prmt.h:5:27: error: unknown type name ‘guid_t’ 5 | int acpi_call_prm_handler(guid_t handler_guid, void *param_buffer); | ^~~~~~ The include file uses guid_t but it is not declared. Include linux/uuid.h to fix this. Cc: Yazen Ghannam <Yazen.Ghannam@xxxxxxx> Cc: John Allen <john.allen@xxxxxxx> Cc: Borislav Petkov (AMD) <bp@xxxxxxxxx> Signed-off-by: Robert Richter <rrichter@xxxxxxx> --- include/linux/prmt.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/prmt.h b/include/linux/prmt.h index 9c094294403f..c53ab287e932 100644 --- a/include/linux/prmt.h +++ b/include/linux/prmt.h @@ -1,5 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0-only */ +#include <linux/uuid.h> + #ifdef CONFIG_ACPI_PRMT void init_prmt(void); int acpi_call_prm_handler(guid_t handler_guid, void *param_buffer); -- 2.39.5