regulator: lp872x: Remove **regulators from struct lp872x

Current code is using devm_regulator_register(), so we don't need to store *rdev
in struct lp872x for clean up.
Also clean up lp872x_probe() a bit to remove unnecessary goto and num_regulators
variable.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/regulator/lp872x.c b/drivers/regulator/lp872x.c
index 021d64d..3de328a 100644 (file)
--- a/drivers/regulator/lp872x.c
+++ b/drivers/regulator/lp872x.c
@@ -106,7 +106,6 @@ struct lp872x {
        struct device *dev;
        enum lp872x_id chipid;
        struct lp872x_platform_data *pdata;
-       struct regulator_dev **regulators;
        int num_regulators;
        enum lp872x_dvs_state dvs_pin;
        int dvs_gpio;
@@ -801,8 +800,6 @@ static int lp872x_regulator_register(struct lp872x *lp)
                        dev_err(lp->dev, "regulator register err");
                        return PTR_ERR(rdev);
                }
-
-               *(lp->regulators + i) = rdev;
        }
 
        return 0;
@@ -906,7 +903,7 @@ static struct lp872x_platform_data
 static int lp872x_probe(struct i2c_client *cl, const struct i2c_device_id *id)
 {
        struct lp872x *lp;
-       int ret, size, num_regulators;
+       int ret;
        const int lp872x_num_regulators[] = {
                [LP8720] = LP8720_NUM_REGULATORS,
                [LP8725] = LP8725_NUM_REGULATORS,
@@ -918,38 +915,27 @@ static int lp872x_probe(struct i2c_client *cl, const struct i2c_device_id *id)
 
        lp = devm_kzalloc(&cl->dev, sizeof(struct lp872x), GFP_KERNEL);
        if (!lp)
-               goto err_mem;
-
-       num_regulators = lp872x_num_regulators[id->driver_data];
-       size = sizeof(struct regulator_dev *) * num_regulators;
+               return -ENOMEM;
 
-       lp->regulators = devm_kzalloc(&cl->dev, size, GFP_KERNEL);
-       if (!lp->regulators)
-               goto err_mem;
+       lp->num_regulators = lp872x_num_regulators[id->driver_data];
 
        lp->regmap = devm_regmap_init_i2c(cl, &lp872x_regmap_config);
        if (IS_ERR(lp->regmap)) {
                ret = PTR_ERR(lp->regmap);
                dev_err(&cl->dev, "regmap init i2c err: %d\n", ret);
-               goto err_dev;
+               return ret;
        }
 
        lp->dev = &cl->dev;
        lp->pdata = dev_get_platdata(&cl->dev);
        lp->chipid = id->driver_data;
-       lp->num_regulators = num_regulators;
        i2c_set_clientdata(cl, lp);
 
        ret = lp872x_config(lp);
        if (ret)
-               goto err_dev;
+               return ret;
 
        return lp872x_regulator_register(lp);
-
-err_mem:
-       return -ENOMEM;
-err_dev:
-       return ret;
 }
 
 static const struct of_device_id lp872x_dt_ids[] = {