[PATCH 2/2] sandbox: show error if the device-tree cannot be loaded

[Heinrich Schuchardt]

U-Boot's printf() used before setting up U-Boot's serial driver does not
create any output. Use os_printf() for error messages related to loading
the device-tree.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt at canonical.com>
---
 arch/sandbox/cpu/cpu.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/sandbox/cpu/cpu.c b/arch/sandbox/cpu/cpu.c
index ff0fa8a685..9e379da17a 100644
--- a/arch/sandbox/cpu/cpu.c
+++ b/arch/sandbox/cpu/cpu.c
@@ -306,27 +306,27 @@ void *board_fdt_blob_setup(int *ret)
 		err = fdt_create_empty_tree(blob, 256);
 		if (!err)
 			goto done;
-		printf("Unable to create empty FDT: %s\n", fdt_strerror(err));
+		os_printf("Unable to create empty FDT: %s\n", fdt_strerror(err));
 		*ret = -EINVAL;
 		goto fail;
 	}
 
 	err = os_get_filesize(fname, &size);
 	if (err < 0) {
-		printf("Failed to find FDT file '%s'\n", fname);
+		os_printf("Failed to find FDT file '%s'\n", fname);
 		*ret = err;
 		goto fail;
 	}
 	fd = os_open(fname, OS_O_RDONLY);
 	if (fd < 0) {
-		printf("Failed to open FDT file '%s'\n", fname);
+		os_printf("Failed to open FDT file '%s'\n", fname);
 		*ret = -EACCES;
 		goto fail;
 	}
 
 	if (os_read(fd, blob, size) != size) {
 		os_close(fd);
-		printf("Failed to read FDT file '%s'\n", fname);
+		os_printf("Failed to read FDT file '%s'\n", fname);
 		*ret =  -EIO;
 		goto fail;
 	}
-- 
2.34.1