kernel test robot reported this warning with 'make W=1': drivers/acpi/apei/apei-base.c:763:12: warning: no previous prototype for 'arch_apei_enable_cmcff' [-Wmissing-prototypes] 763 | int __weak arch_apei_enable_cmcff(struct acpi_hest_header *hest_hdr, | ^~~~~~~~~~~~~~~~~~~~~~ drivers/acpi/apei/apei-base.c:770:13: warning: no previous prototype for 'arch_apei_report_mem_error' [-Wmissing-prototypes] 770 | void __weak arch_apei_report_mem_error(int sev, | ^~~~~~~~~~~~~~~~~~~~~~~~~~ Include missing acpi/apei.h to avoid this warning. Reported-by: kernel test robot <lkp@xxxxxxxxx> Fixes: 9dae3d0d9e64 ("apei, mce: Factor out APEI architecture specific MCE calls") Signed-off-by: Xie XiuQi <xiexiuqi@xxxxxxxxxx> --- drivers/acpi/apei/apei-base.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/acpi/apei/apei-base.c b/drivers/acpi/apei/apei-base.c index f372cf872125..3387372bb911 100644 --- a/drivers/acpi/apei/apei-base.c +++ b/drivers/acpi/apei/apei-base.c @@ -28,6 +28,7 @@ #include <linux/rculist.h> #include <linux/interrupt.h> #include <linux/debugfs.h> +#include <acpi/apei.h> #include <asm/unaligned.h> #include "apei-internal.h" -- 2.20.1