remove the redundant code, since pdata has been removed from stuct rk808

Signed-off-by: Chris Zhong <z...@rock-chips.com>

---

Changes in v6: 
- remove the redundant code

Changes in v5:
- re-edit base on Mark's branch

Changes in v4:
- use &client->dev replace rk808->dev

Changes in v3: None
Changes in v2:
Adviced by Mark Browm:
- change of_find_node_by_name to find_child_by_name
- use RK808_NUM_REGULATORS as the name of the constant
- create a pdata when missing platform data
- use the rk808_reg name to supply_regulator name
- replace regulator_register with devm_regulator_register
- some other problem with coding styl

 drivers/regulator/rk808-regulator.c |   17 ++++-------------
 1 file changed, 4 insertions(+), 13 deletions(-)

diff --git a/drivers/regulator/rk808-regulator.c 
b/drivers/regulator/rk808-regulator.c
index f00d6d8..f42952e 100644
--- a/drivers/regulator/rk808-regulator.c
+++ b/drivers/regulator/rk808-regulator.c
@@ -294,11 +294,10 @@ static struct of_regulator_match rk808_reg_matches[] = {
        [RK808_ID_SWITCH2]      = { .name = "SWITCH_REG2" },
 };
 
-static int rk808_regulator_dts(struct rk808 *rk808)
+static int rk808_regulator_dts(struct i2c_client *client,
+                              struct rk808_board *pdata)
 {
        struct device_node *np, *reg_np;
-       struct i2c_client *client = rk808->i2c;
-       struct rk808_board *pdata = rk808->pdata;
        int i, ret;
 
        np = client->dev.of_node;
@@ -335,7 +334,7 @@ static int rk808_regulator_probe(struct platform_device 
*pdev)
 {
        struct rk808 *rk808 = dev_get_drvdata(pdev->dev.parent);
        struct i2c_client *client = rk808->i2c;
-       struct rk808_board *pdata = rk808->pdata;
+       struct rk808_board *pdata = dev_get_platdata(&client->dev);
        struct regulator_config config = {};
        struct regulator_dev *rk808_rdev;
        struct regulator_init_data *reg_data;
@@ -343,22 +342,15 @@ static int rk808_regulator_probe(struct platform_device 
*pdev)
        int ret = 0;
 
        if (!pdata) {
-               dev_warn(&client->dev, "%s no pdata, create it\n", __func__);
                pdata = devm_kzalloc(&client->dev, sizeof(*pdata), GFP_KERNEL);
                if (!pdata)
                        return -ENOMEM;
        }
 
-       ret = rk808_regulator_dts(rk808);
+       ret = rk808_regulator_dts(client, pdata);
        if (ret)
                return ret;
 
-       rk808->num_regulators = RK808_NUM_REGULATORS;
-       rk808->rdev = devm_kzalloc(&pdev->dev, RK808_NUM_REGULATORS *
-                                  sizeof(struct regulator_dev *), GFP_KERNEL);
-       if (!rk808->rdev)
-               return -ENOMEM;
-
        /* Instantiate the regulators */
        for (i = 0; i < RK808_NUM_REGULATORS; i++) {
                reg_data = pdata->rk808_init_data[i];
@@ -382,7 +374,6 @@ static int rk808_regulator_probe(struct platform_device 
*pdev)
                                "failed to register %d regulator\n", i);
                        return PTR_ERR(rk808_rdev);
                }
-               rk808->rdev[i] = rk808_rdev;
        }
        return 0;
 }
-- 
1.7.9.5


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