cmd/fdt: add possibilty to have 'extrasize' on fdt resize

[u-boot] / include / fdt_support.h

diff --git a/include/fdt_support.h b/include/fdt_support.h
index 8f402310f6ba8321de518607eb737bc9d950f8fd..506bc5a9f690b0bb6c8ad108feb3e87056bbda04 100644 (file)
--- a/include/fdt_support.h
+++ b/include/fdt_support.h
@@ -167,7 +167,15 @@ void ft_pci_setup(void *blob, bd_t *bd);
 int ft_system_setup(void *blob, bd_t *bd);
 
 void set_working_fdt_addr(ulong addr);
-int fdt_shrink_to_minimum(void *blob);
+
+/**
+ * shrink down the given blob to minimum size + some extrasize if required
+ *
+ * @param blob         FDT blob to update
+ * @param extrasize    additional bytes needed
+ * @return 0 if ok, or -FDT_ERR_... on error
+ */
+int fdt_shrink_to_minimum(void *blob, uint extrasize);
 int fdt_increase_size(void *fdt, int add_len);
 
 int fdt_fixup_nor_flash_size(void *blob);