diff --git a/drivers/mfd/tps65217.c b/drivers/mfd/tps65217.c
index 80a919a8ca975a2783650fe10e3ec18160818559..7d1cfc1d3ce00314c3fdbab602bf3a1d8d1fa9be 100644
--- a/drivers/mfd/tps65217.c
+++ b/drivers/mfd/tps65217.c
@@ -145,7 +145,7 @@ int tps65217_clear_bits(struct tps65217 *tps, unsigned int reg,
 }
 EXPORT_SYMBOL_GPL(tps65217_clear_bits);
 
-static struct regmap_config tps65217_regmap_config = {
+static const struct regmap_config tps65217_regmap_config = {
 	.reg_bits = 8,
 	.val_bits = 8,