mfd: hi6421-pmic: Constify struct regmap_config
The regmap_config struct may be const because it is not modified by the
driver and regmap_init() accepts pointer to const.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
diff --git a/drivers/mfd/hi6421-pmic-core.c b/drivers/mfd/hi6421-pmic-core.c
index 321a265..7210ae2 100644
--- a/drivers/mfd/hi6421-pmic-core.c
+++ b/drivers/mfd/hi6421-pmic-core.c
@@ -35,7 +35,7 @@
{ .name = "hi6421-regulator", },
};
-static struct regmap_config hi6421_regmap_config = {
+static const struct regmap_config hi6421_regmap_config = {
.reg_bits = 32,
.reg_stride = 4,
.val_bits = 8,