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path: root/drivers/regulator/bd71837-regulator.c
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Diffstat (limited to 'drivers/regulator/bd71837-regulator.c')
-rw-r--r--drivers/regulator/bd71837-regulator.c44
1 files changed, 15 insertions, 29 deletions
diff --git a/drivers/regulator/bd71837-regulator.c b/drivers/regulator/bd71837-regulator.c
index 6eae4d0432a2..0f8ac8dec3e1 100644
--- a/drivers/regulator/bd71837-regulator.c
+++ b/drivers/regulator/bd71837-regulator.c
@@ -2,19 +2,18 @@
// Copyright (C) 2018 ROHM Semiconductors
// bd71837-regulator.c ROHM BD71837MWV regulator driver
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
+#include <linux/delay.h>
#include <linux/err.h>
+#include <linux/gpio.h>
#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/mfd/rohm-bd718x7.h>
+#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
-#include <linux/delay.h>
-#include <linux/slab.h>
-#include <linux/gpio.h>
-#include <linux/mfd/bd71837.h>
#include <linux/regulator/of_regulator.h>
+#include <linux/slab.h>
struct bd71837_pmic {
struct regulator_desc descs[BD71837_REGULATOR_CNT];
@@ -39,7 +38,7 @@ static int bd71837_buck1234_set_ramp_delay(struct regulator_dev *rdev,
int id = rdev->desc->id;
unsigned int ramp_value = BUCK_RAMPRATE_10P00MV;
- dev_dbg(&(pmic->pdev->dev), "Buck[%d] Set Ramp = %d\n", id + 1,
+ dev_dbg(&pmic->pdev->dev, "Buck[%d] Set Ramp = %d\n", id + 1,
ramp_delay);
switch (ramp_delay) {
case 1 ... 1250:
@@ -73,14 +72,10 @@ static int bd71837_buck1234_set_ramp_delay(struct regulator_dev *rdev,
static int bd71837_set_voltage_sel_restricted(struct regulator_dev *rdev,
unsigned int sel)
{
- int ret;
-
- ret = regulator_is_enabled_regmap(rdev);
- if (!ret)
- ret = regulator_set_voltage_sel_regmap(rdev, sel);
- else if (ret == 1)
- ret = -EBUSY;
- return ret;
+ if (regulator_is_enabled_regmap(rdev))
+ return -EBUSY;
+
+ return regulator_set_voltage_sel_regmap(rdev, sel);
}
static struct regulator_ops bd71837_ldo_regulator_ops = {
@@ -195,7 +190,7 @@ static const struct regulator_linear_range bd71837_ldo1_voltage_ranges[] = {
* LDO2
* 0.8 or 0.9V
*/
-const unsigned int ldo_2_volts[] = {
+static const unsigned int ldo_2_volts[] = {
900000, 800000
};
@@ -495,7 +490,6 @@ struct reg_init {
static int bd71837_probe(struct platform_device *pdev)
{
struct bd71837_pmic *pmic;
- struct bd71837_board *pdata;
struct regulator_config config = { 0 };
struct reg_init pmic_regulator_inits[] = {
{
@@ -548,8 +542,7 @@ static int bd71837_probe(struct platform_device *pdev)
int i, err;
- pmic = devm_kzalloc(&pdev->dev, sizeof(struct bd71837_pmic),
- GFP_KERNEL);
+ pmic = devm_kzalloc(&pdev->dev, sizeof(*pmic), GFP_KERNEL);
if (!pmic)
return -ENOMEM;
@@ -564,7 +557,6 @@ static int bd71837_probe(struct platform_device *pdev)
goto err;
}
platform_set_drvdata(pdev, pmic);
- pdata = dev_get_platdata(pmic->mfd->dev);
/* Register LOCK release */
err = regmap_update_bits(pmic->mfd->regmap, BD71837_REG_REGLOCK,
@@ -573,8 +565,8 @@ static int bd71837_probe(struct platform_device *pdev)
dev_err(&pmic->pdev->dev, "Failed to unlock PMIC (%d)\n", err);
goto err;
} else {
- dev_dbg(&pmic->pdev->dev, "%s: Unlocked lock register 0x%x\n",
- __func__, BD71837_REG_REGLOCK);
+ dev_dbg(&pmic->pdev->dev, "Unlocked lock register 0x%x\n",
+ BD71837_REG_REGLOCK);
}
for (i = 0; i < ARRAY_SIZE(pmic_regulator_inits); i++) {
@@ -584,9 +576,6 @@ static int bd71837_probe(struct platform_device *pdev)
desc = &pmic->descs[i];
- if (pdata)
- config.init_data = pdata->init_data[i];
-
config.dev = pdev->dev.parent;
config.driver_data = pmic;
config.regmap = pmic->mfd->regmap;
@@ -619,8 +608,6 @@ static int bd71837_probe(struct platform_device *pdev)
pmic->rdev[i] = rdev;
}
- return 0;
-
err:
return err;
}
@@ -628,7 +615,6 @@ err:
static struct platform_driver bd71837_regulator = {
.driver = {
.name = "bd71837-pmic",
- .owner = THIS_MODULE,
},
.probe = bd71837_probe,
};