cmd: fdt: Print error message when fdt application fails
There are lots of reason why a FDT application might fail, the
error code might give an indication. Let the error code translate
in a error string so users can try to understand what went wrong.
Signed-off-by: Stefan Agner <stefan.agner@toradex.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Simon Glass <sjg@chromium.org>
diff --git a/cmd/fdt.c b/cmd/fdt.c
index 8bd345a..6883e75 100644
--- a/cmd/fdt.c
+++ b/cmd/fdt.c
@@ -642,6 +642,7 @@
else if (strncmp(argv[1], "ap", 2) == 0) {
unsigned long addr;
struct fdt_header *blob;
+ int ret;
if (argc != 3)
return CMD_RET_USAGE;
@@ -654,8 +655,11 @@
if (!fdt_valid(&blob))
return CMD_RET_FAILURE;
- if (fdt_overlay_apply(working_fdt, blob))
+ ret = fdt_overlay_apply(working_fdt, blob);
+ if (ret) {
+ printf("fdt_overlay_apply(): %s\n", fdt_strerror(ret));
return CMD_RET_FAILURE;
+ }
}
#endif
/* resize the fdt */