MIPS: constify mips_io_port_base
mips_io_port_base is exported as 'extern const unsigned long mips_io_port_base;'
in arch/mips/include/asm/io.h. Thus make the variable const too.
Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
diff --git a/arch/mips/lib/board.c b/arch/mips/lib/board.c
index 7ddd778..4f330cc 100644
--- a/arch/mips/lib/board.c
+++ b/arch/mips/lib/board.c
@@ -46,7 +46,7 @@
* mips_io_port_base is the begin of the address space to which x86 style
* I/O ports are mapped.
*/
-unsigned long mips_io_port_base = -1;
+const unsigned long mips_io_port_base = -1;
int __board_early_init_f(void)
{