The code uses __is_defined, which only works for undefined macros and defined ones with a value. This is different than the debugging prints that accept empty defined DEBUG, so add a commented out #define DEBUG 1 to alert those seeking to debug the code. Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx> --- common/efi/payload/iomem.c | 1 + 1 file changed, 1 insertion(+) diff --git a/common/efi/payload/iomem.c b/common/efi/payload/iomem.c index 6b92ca993aa7..550d832668ed 100644 --- a/common/efi/payload/iomem.c +++ b/common/efi/payload/iomem.c @@ -3,6 +3,7 @@ #define pr_fmt(fmt) "efi-iomem: " fmt +// #define DEBUG 1 #include <common.h> #include <init.h> #include <efi.h> -- 2.39.2