diff --git a/drivers/tty/mips_ejtag_fdc.c b/drivers/tty/mips_ejtag_fdc.c
index 234123b0c642..a2dab3fb8751 100644
--- a/drivers/tty/mips_ejtag_fdc.c
+++ b/drivers/tty/mips_ejtag_fdc.c
@@ -1110,7 +1110,7 @@ static int mips_ejtag_fdc_tty_cpu_up(struct mips_cdmm_device *dev)
 	return ret;
 }
 
-static struct mips_cdmm_device_id mips_ejtag_fdc_tty_ids[] = {
+static const struct mips_cdmm_device_id mips_ejtag_fdc_tty_ids[] = {
 	{ .type = 0xfd },
 	{ }
 };