hwmon: Make regmap configs const

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

drivers/hwmon/emc1403.c

@@ -416,7 +416,7 @@ static bool emc1403_regmap_is_volatile(struct device *dev, unsigned int reg)
 	}
 }
 
-static struct regmap_config emc1403_regmap_config = {
+static const struct regmap_config emc1403_regmap_config = {
 	.reg_bits = 8,
 	.val_bits = 8,
 	.cache_type = REGCACHE_RBTREE,

drivers/hwmon/ltc2945.c

@@ -469,7 +469,7 @@ static struct attribute *ltc2945_attrs[] = {
 };
 ATTRIBUTE_GROUPS(ltc2945);
 
-static struct regmap_config ltc2945_regmap_config = {
+static const struct regmap_config ltc2945_regmap_config = {
 	.reg_bits = 8,
 	.val_bits = 8,
 	.max_register = LTC2945_MIN_ADIN_THRES_L,

drivers/hwmon/ltc4222.c

@@ -186,7 +186,7 @@ static struct attribute *ltc4222_attrs[] = {
 };
 ATTRIBUTE_GROUPS(ltc4222);
 
-static struct regmap_config ltc4222_regmap_config = {
+static const struct regmap_config ltc4222_regmap_config = {
 	.reg_bits = 8,
 	.val_bits = 8,
 	.max_register = LTC4222_ADC_CONTROL,

drivers/hwmon/ltc4260.c

@@ -150,7 +150,7 @@ static struct attribute *ltc4260_attrs[] = {
 };
 ATTRIBUTE_GROUPS(ltc4260);
 
-static struct regmap_config ltc4260_regmap_config = {
+static const struct regmap_config ltc4260_regmap_config = {
 	.reg_bits = 8,
 	.val_bits = 8,
 	.max_register = LTC4260_ADIN,

drivers/hwmon/tmp103.c

@@ -116,7 +116,7 @@ static bool tmp103_regmap_is_volatile(struct device *dev, unsigned int reg)
 	return reg == TMP103_TEMP_REG;
 }
 
-static struct regmap_config tmp103_regmap_config = {
+static const struct regmap_config tmp103_regmap_config = {
 	.reg_bits = 8,
 	.val_bits = 8,
 	.max_register = TMP103_THIGH_REG,