rcar_gen3: drivers: io [emmc/mem]
Signed-off-by: ldts <jramirez@baylibre.com>
diff --git a/drivers/renesas/rcar/io/io_private.h b/drivers/renesas/rcar/io/io_private.h
new file mode 100644
index 0000000..d0e66c0
--- /dev/null
+++ b/drivers/renesas/rcar/io/io_private.h
@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2015-2017, Renesas Electronics Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef IO_PRIVATE_H_
+#define IO_PRIVATE_H_
+
+/*
+ * Return codes reported by 'io_*' APIs
+ * The value of fail should not overlap with define of the errno.
+ * The errno is in "include/lib/stdlib/sys/errno.h".
+ */
+#define IO_SUCCESS (0)
+#define IO_FAIL (-0x81)
+#define IO_NOT_SUPPORTED (-0x82)
+#define IO_RESOURCES_EXHAUSTED (-0x83)
+
+#endif