fdt: Fix alignment issue when reading 64-bits properties from fdt
The FDT specification [0] gives a requirement of aligning properties on
32-bits. Make sure that the compiler is aware of this constraint when
accessing 64-bits properties.
[0]: https://github.com/devicetree-org/devicetree-specification/blob/master/source/flattened-format.rst
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/include/linux/libfdt_env.h b/include/linux/libfdt_env.h
index e2bf79c..e49fcd7 100644
--- a/include/linux/libfdt_env.h
+++ b/include/linux/libfdt_env.h
@@ -16,6 +16,7 @@
typedef __be16 fdt16_t;
typedef __be32 fdt32_t;
typedef __be64 fdt64_t;
+typedef __be64 unaligned_fdt64_t __aligned(4);
#define fdt32_to_cpu(x) be32_to_cpu(x)
#define cpu_to_fdt32(x) cpu_to_be32(x)