Add a helper function that given an alias will delete both the node
the alias points to and the alias itself
Signed-off-by: Kumar Gala <ga...@kernel.crashing.org>
---
common/fdt_support.c | 13 +++++++++++++
include/fdt_support.h | 2 ++
2 files changed, 15 insertions(+), 0 deletions(-)
diff --git a/common/fdt_support.c b/common/fdt_support.c
index f89a3ee..dd46be9 100644
--- a/common/fdt_support.c
+++ b/common/fdt_support.c
@@ -757,3 +757,16 @@ int fdt_fixup_nor_flash_size(void *blob, int cs, u32 size)
return -1;
}
#endif
+
+void fdt_del_node_and_alias(void *blob, char *alias)
+{
+ int off = fdt_path_offset(blob, alias);
+
+ if (off < 0)
+ return;
+
+ fdt_del_node(blob, off);
+
+ off = fdt_path_offset(blob, "/aliases");
+ fdt_delprop(blob, off, alias);
+}
diff --git a/include/fdt_support.h b/include/fdt_support.h
index 0a9dd0d..e3949dd 100644
--- a/include/fdt_support.h
+++ b/include/fdt_support.h
@@ -81,5 +81,7 @@ int fdt_resize(void *blob);
int fdt_fixup_nor_flash_size(void *blob, int cs, u32 size);
+void fdt_del_node_and_alias(void *blob, char *alias);
+
#endif /* ifdef CONFIG_OF_LIBFDT */
#endif /* ifndef __FDT_SUPPORT_H */
--
1.6.0.6
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