1 files changed, 10 insertions, 0 deletions

diff --git a/include/linux/of_fdt.h b/include/linux/of_fdt.h
index bf26bd5df9f1..f32f0fc5314a 100644
--- a/include/linux/of_fdt.h
+++ b/include/linux/of_fdt.h
@@ -80,6 +80,16 @@ extern int early_init_dt_scan_memory(unsigned long node, const char *uname,
 extern void early_init_dt_add_memory_arch(u64 base, u64 size);
 extern u64 dt_mem_next_cell(int s, u32 **cellp);
 
+/*
+ * If BLK_DEV_INITRD, the fdt early init code will call this function,
+ * to be provided by the arch code. start and end are specified as
+ * physical addresses.
+ */
+#ifdef CONFIG_BLK_DEV_INITRD
+extern void early_init_dt_setup_initrd_arch(unsigned long start,
+                                            unsigned long end);
+#endif
+
 /* Early flat tree scan hooks */
 extern int early_init_dt_scan_root(unsigned long node, const char *uname,
                                    int depth, void *data);