[PATCH v2 08/13] staging: hikey9xx: hi6421v600-regulator: do some cleanups

Mauro Carvalho Chehab
2021-01-18T13:37:12Z

In preparation for de-staging, do some cleanups:

- Return error codes from hi6421_spmi_pmic_rmw();
- Remove a debug message;
- Change the module description;
- a few minor coding style adjustments.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
---
.../staging/hikey9xx/hi6421v600-regulator.c | 35 ++++++++-----------
1 file changed, 14 insertions(+), 21 deletions(-)

diff --git a/drivers/staging/hikey9xx/hi6421v600-regulator.c b/drivers/staging/hikey9xx/hi6421v600-regulator.c
index 8c64c0a86a3d..a8a268f326f5 100644
--- a/drivers/staging/hikey9xx/hi6421v600-regulator.c
+++ b/drivers/staging/hikey9xx/hi6421v600-regulator.c
@@ -117,6 +117,7 @@ static int hi6421_spmi_regulator_enable(struct regulator_dev *rdev)
{
struct hi6421_spmi_reg_info *sreg = rdev_get_drvdata(rdev);
struct hi6421_spmi_pmic *pmic = sreg->pmic;
+ int ret;

/* cannot enable more than one regulator at one time */
mutex_lock(&sreg->enable_mutex);
@@ -124,13 +125,13 @@ static int hi6421_spmi_regulator_enable(struct regulator_dev *rdev)
HISI_REGS_ENA_PROTECT_TIME + 1000);

/* set enable register */
- hi6421_spmi_pmic_rmw(pmic, rdev->desc->enable_reg,
- rdev->desc->enable_mask,
- rdev->desc->enable_mask);
+ ret = hi6421_spmi_pmic_rmw(pmic, rdev->desc->enable_reg,
+ rdev->desc->enable_mask,
+ rdev->desc->enable_mask);

mutex_unlock(&sreg->enable_mutex);

- return 0;
+ return ret;
}

static int hi6421_spmi_regulator_disable(struct regulator_dev *rdev)
@@ -139,10 +140,8 @@ static int hi6421_spmi_regulator_disable(struct regulator_dev *rdev)
struct hi6421_spmi_pmic *pmic = sreg->pmic;

/* set enable register to 0 */
- hi6421_spmi_pmic_rmw(pmic, rdev->desc->enable_reg,
- rdev->desc->enable_mask, 0);
-
- return 0;
+ return hi6421_spmi_pmic_rmw(pmic, rdev->desc->enable_reg,
+ rdev->desc->enable_mask, 0);
}

static int hi6421_spmi_regulator_get_voltage_sel(struct regulator_dev *rdev)
@@ -154,7 +153,7 @@ static int hi6421_spmi_regulator_get_voltage_sel(struct regulator_dev *rdev)
/* get voltage selector */
reg_val = hi6421_spmi_pmic_read(pmic, rdev->desc->vsel_reg);

- return (reg_val & rdev->desc->vsel_mask) >> (ffs(rdev->desc->vsel_mask) - 1);
+ return (reg_val & rdev->desc->vsel_mask) >> (ffs(rdev->desc->vsel_mask) - 1);
}

static int hi6421_spmi_regulator_set_voltage_sel(struct regulator_dev *rdev,
@@ -170,10 +169,8 @@ static int hi6421_spmi_regulator_set_voltage_sel(struct regulator_dev *rdev,
reg_val = selector << (ffs(rdev->desc->vsel_mask) - 1);

/* set voltage selector */
- hi6421_spmi_pmic_rmw(pmic, rdev->desc->vsel_reg,
- rdev->desc->vsel_mask, reg_val);
-
- return 0;
+ return hi6421_spmi_pmic_rmw(pmic, rdev->desc->vsel_reg,
+ rdev->desc->vsel_mask, reg_val);
}

static unsigned int hi6421_spmi_regulator_get_mode(struct regulator_dev *rdev)
@@ -209,10 +206,8 @@ static int hi6421_spmi_regulator_set_mode(struct regulator_dev *rdev,
}

/* set mode */
- hi6421_spmi_pmic_rmw(pmic, rdev->desc->enable_reg,
- sreg->eco_mode_mask, val);
-
- return 0;
+ return hi6421_spmi_pmic_rmw(pmic, rdev->desc->enable_reg,
+ sreg->eco_mode_mask, val);
}

static unsigned int
@@ -319,8 +314,6 @@ static int hi6421_spmi_regulator_probe(struct platform_device *pdev)
/* assign per-regulator data */
info = &regulator_info[i];

- dev_dbg(dev, "adding regulator %s\n", info->desc.name);
-
config.dev = pdev->dev.parent;
config.driver_data = sreg;

@@ -343,12 +336,12 @@ MODULE_DEVICE_TABLE(platform, hi6421_spmi_regulator_table);
static struct platform_driver hi6421_spmi_regulator_driver = {
.id_table = hi6421_spmi_regulator_table,
.driver = {
- .name = "hi6421v600-regulator",
+ .name = "hi6421v600-regulator",
},
.probe = hi6421_spmi_regulator_probe,
};
module_platform_driver(hi6421_spmi_regulator_driver);

-MODULE_DESCRIPTION("Hi6421v600 regulator driver");
+MODULE_DESCRIPTION("Hi6421v600 SPMI regulator driver");
MODULE_LICENSE("GPL v2");

--
2.29.2