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-rw-r--r--arch/mips/lib/board.c2
1 files changed, 1 insertions, 1 deletions
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 @@ static char *failed = "*** failed ***\n";
* 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)
{