board: samsung: e850-96: Report LDFW loading failures

LDFW firmware loading can fail, e.g. in case if user forgot to upload
the binary to the appropriate location (/EFI/firmware/ldfw.bin on ESP
partition). Report such errors explicitly, so that the user can notice
it early and take necessary actions. But don't return error code from
board_init() in this case, as LDFW firmware is not mandatory for board
operation and is only required for some features like TRNG.

Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>

diff --git a/board/samsung/e850-96/e850-96.c b/board/samsung/e850-96/e850-96.c
index c5cef6f..0bef68d 100644 (file)
--- a/board/samsung/e850-96/e850-96.c
+++ b/board/samsung/e850-96/e850-96.c
@@ -19,6 +19,11 @@ int dram_init_banksize(void)
 
 int board_init(void)
 {
-       load_ldfw();
+       int err;
+
+       err = load_ldfw();
+       if (err)
+               printf("ERROR: LDFW loading failed (%d)\n", err);
+
        return 0;
 }