regulator: max77857: change some variables to static

max77857_regmap_config and max77857_driver are only used
in max77857-regulator.c now, change them to static.

Fixes: af71cccadeced ("regulator: max77857: Add ADI MAX77857/59/MAX77831 Regulator Support")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20230801130354.552243-1-yangyingliang@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/regulator/max77857-regulator.c b/drivers/regulator/max77857-regulator.c
index 58f825d..f2141b5 100644 (file)
--- a/drivers/regulator/max77857-regulator.c
+++ b/drivers/regulator/max77857-regulator.c
@@ -67,7 +67,7 @@ static bool max77857_volatile_reg(struct device *dev, unsigned int reg)
        }
 }
 
-struct regmap_config max77857_regmap_config = {
+static struct regmap_config max77857_regmap_config = {
        .reg_bits = 8,
        .val_bits = 8,
        .cache_type = REGCACHE_MAPLE,
@@ -443,7 +443,7 @@ static const struct of_device_id max77857_of_id[] = {
 };
 MODULE_DEVICE_TABLE(of, max77857_of_id);
 
-struct i2c_driver max77857_driver = {
+static struct i2c_driver max77857_driver = {
        .driver = {
                .name = "max77857",
                .of_match_table = max77857_of_id,