of/fdt: convert initial_boot_params to opaque pointer

Now that all accesses to FDT header data has been converted to accessor
helpers, initial_boot_params can become an opaque pointer.

Signed-off-by: Rob Herring <[email protected]>
Tested-by: Michal Simek <[email protected]>
Tested-by: Grant Likely <[email protected]>
Tested-by: Stephen Chivers <[email protected]>

Author: robherring

drivers/of/fdt.c

@@ -372,7 +372,7 @@ EXPORT_SYMBOL_GPL(of_fdt_unflatten_tree);
 int __initdata dt_root_addr_cells;
 int __initdata dt_root_size_cells;
 
-struct boot_param_header *initial_boot_params;
+void *initial_boot_params;
 
 #ifdef CONFIG_OF_EARLY_FLATTREE
 

include/linux/of_fdt.h

@@ -78,7 +78,7 @@ extern void of_fdt_unflatten_tree(unsigned long *blob,
 /* TBD: Temporary export of fdt globals - remove when code fully merged */
 extern int __initdata dt_root_addr_cells;
 extern int __initdata dt_root_size_cells;
-extern struct boot_param_header *initial_boot_params;
+extern void *initial_boot_params;
 
 extern char __dtb_start[];
 extern char __dtb_end[];