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authorMasahiro Yamada <yamada.masahiro@socionext.com>2018-01-21 19:19:13 +0900
committerTom Rini <trini@konsulko.com>2018-01-28 12:27:30 -0500
commitae9ace7089d2167cbf8a69a29705049ae11c8eea (patch)
tree0b7e60a539711c42a9d46ae9ae02b70c2af714ef /tools/fdt_host.h
parent94b13bbae90bfb94204b8fe9c531bc163e746a9f (diff)
libfdt: migrate fdt_rw.c to a wrapper of scripts/dtc/libfdt/fdt_rw.c
The only difference between scripts/dtc/libfdt/fdt_rw.c and lib/libfdt/fdt_rw.c is fdt_remove_unused_strings(). It is only used by fdtgrep, so we do not need to compile it for U-Boot image. Move it to tools/libfdt/fdw_rw.c so that lib/libfdt/fdt_rw.c can be a wrapper of scripts/dtc/libfdt/fdt_rw.c. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'tools/fdt_host.h')
-rw-r--r--tools/fdt_host.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/tools/fdt_host.h b/tools/fdt_host.h
index 134d965713..8d4aa066bb 100644
--- a/tools/fdt_host.h
+++ b/tools/fdt_host.h
@@ -11,6 +11,23 @@
#include "../include/libfdt.h"
#include "../include/fdt_support.h"
+/**
+ * fdt_remove_unused_strings() - Remove any unused strings from an FDT
+ *
+ * This creates a new device tree in @new with unused strings removed. The
+ * called can then use fdt_pack() to minimise the space consumed.
+ *
+ * @old: Old device tree blog
+ * @new: Place to put new device tree blob, which must be as large as
+ * @old
+ * @return
+ * 0, on success
+ * -FDT_ERR_BADOFFSET, corrupt device tree
+ * -FDT_ERR_NOSPACE, out of space, which should not happen unless there
+ * is something very wrong with the device tree input
+ */
+int fdt_remove_unused_strings(const void *old, void *new);
+
int fit_check_sign(const void *working_fdt, const void *key);
#endif /* __FDT_HOST_H__ */