[PATCH 1/3] libfdt: define UINT32_MAX in libfdt_env.h

[AKASHI Takahiro]

In the implementation of kexec_file_load-based kdump for arm64,
fdt_appendprop_addrrange() will be used, but fdt_addresses.c
will fail to compile due to missing UINT32_MAX.

So just define it in libfdt_env.h.

Signed-off-by: AKASHI Takahiro <takahiro.akashi@xxxxxxxxxx>
Cc: Rob Herring <robh+dt@xxxxxxxxxx>
Cc: Frank Rowand <frowand.list@xxxxxxxxx>
---
 include/linux/libfdt_env.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/linux/libfdt_env.h b/include/linux/libfdt_env.h
index edb0f0c30904..9ca00f11d9b1 100644
--- a/include/linux/libfdt_env.h
+++ b/include/linux/libfdt_env.h
@@ -3,6 +3,7 @@
 #define LIBFDT_ENV_H
 
 #include <linux/kernel.h>	/* For INT_MAX */
+#include <linux/limits.h>	/* For UINT32_MAX */
 #include <linux/string.h>
 
 #include <asm/byteorder.h>
@@ -11,6 +12,8 @@ typedef __be16 fdt16_t;
 typedef __be32 fdt32_t;
 typedef __be64 fdt64_t;
 
+#define UINT32_MAX U32_MAX
+
 #define fdt32_to_cpu(x) be32_to_cpu(x)
 #define cpu_to_fdt32(x) cpu_to_be32(x)
 #define fdt64_to_cpu(x) be64_to_cpu(x)
-- 
2.21.0