c6x: convert fdt pointers to opaque pointers

The architecture code does not need to access the internals of the FDT
blob, so make the pointer to it void *.

Signed-off-by: Rob Herring <robh@kernel.org>
Cc: Mark Salter <msalter@redhat.com>
Cc: Aurelien Jacquiot <a-jacquiot@ti.com>
Cc: linux-c6x-dev@linux-c6x.org
Tested-by: Grant Likely <grant.likely@linaro.org>

diff --git a/arch/c6x/kernel/setup.c b/arch/c6x/kernel/setup.c
index 731db4b..7571288 100644 (file)
--- a/arch/c6x/kernel/setup.c
+++ b/arch/c6x/kernel/setup.c
@@ -265,8 +265,8 @@ int __init c6x_add_memory(phys_addr_t start, unsigned long size)
  */
 notrace void __init machine_init(unsigned long dt_ptr)
 {
-       struct boot_param_header *dtb = __va(dt_ptr);
-       struct boot_param_header *fdt = (struct boot_param_header *)_fdt_start;
+       const void *dtb = __va(dt_ptr);
+       const void *fdt = _fdt_start;
 
        /* interrupts must be masked */
        set_creg(IER, 2);