[PATCH v3 26/44] staging: regulator: hi6421v600-regulator: coding style fixups

Mauro Carvalho Chehab
2020-08-17T07:12:39Z

There are several issues on those drivers related to their
coding style. Solve most of them.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
---
.../staging/hikey9xx/hi6421v600-regulator.c | 110 +++++++++---------
1 file changed, 56 insertions(+), 54 deletions(-)

diff --git a/drivers/staging/hikey9xx/hi6421v600-regulator.c b/drivers/staging/hikey9xx/hi6421v600-regulator.c
index 904cb64b1dcd..5f6e4ba4b99e 100644
--- a/drivers/staging/hikey9xx/hi6421v600-regulator.c
+++ b/drivers/staging/hikey9xx/hi6421v600-regulator.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Device driver for regulators in Hisi IC
*
@@ -52,7 +53,7 @@ struct hisi_regulator {
u32 off_on_delay;
u32 eco_uA;
struct regulator_desc rdesc;
- int (*dt_parse)(struct hisi_regulator *, struct spmi_device *);
+ int (*dt_parse)(struct hisi_regulator *reg, struct spmi_device *spmi);
};

static DEFINE_MUTEX(enable_mutex);
@@ -77,8 +78,9 @@ static int hisi_regulator_is_enabled(struct regulator_dev *dev)
struct hisi_pmic *pmic = rdev_to_pmic(dev);

reg_val = hisi_pmic_read(pmic, sreg->register_info.ctrl_reg);
- pr_debug("<[%s]: ctrl_reg=0x%x,enable_state=%d>\n", __func__, sreg->register_info.ctrl_reg,\
- (reg_val & sreg->register_info.enable_mask));
+ pr_debug("<[%s]: ctrl_reg=0x%x,enable_state=%d>\n",
+ __func__, sreg->register_info.ctrl_reg,
+ (reg_val & sreg->register_info.enable_mask));

return ((reg_val & sreg->register_info.enable_mask) != 0);
}
@@ -98,14 +100,13 @@ static int hisi_regulator_enable(struct regulator_dev *dev)
usleep_range(HISI_REGS_ENA_PROTECT_TIME,
HISI_REGS_ENA_PROTECT_TIME + 1000);

-
-
/* set enable register */
hisi_pmic_rmw(pmic, sreg->register_info.ctrl_reg,
- sreg->register_info.enable_mask,
+ sreg->register_info.enable_mask,
sreg->register_info.enable_mask);
- pr_debug("<[%s]: ctrl_reg=0x%x,enable_mask=0x%x>\n", __func__, sreg->register_info.ctrl_reg,\
- sreg->register_info.enable_mask);
+ pr_debug("<[%s]: ctrl_reg=0x%x,enable_mask=0x%x>\n",
+ __func__, sreg->register_info.ctrl_reg,
+ sreg->register_info.enable_mask);

mutex_unlock(&enable_mutex);

@@ -119,7 +120,7 @@ static int hisi_regulator_disable(struct regulator_dev *dev)

/* set enable register to 0 */
hisi_pmic_rmw(pmic, sreg->register_info.ctrl_reg,
- sreg->register_info.enable_mask, 0);
+ sreg->register_info.enable_mask, 0);

return 0;
}
@@ -132,7 +133,8 @@ static int hisi_regulator_get_voltage(struct regulator_dev *dev)

/* get voltage selector */
reg_val = hisi_pmic_read(pmic, sreg->register_info.vset_reg);
- pr_debug("<[%s]: vset_reg=0x%x>\n", __func__, sreg->register_info.vset_reg);
+ pr_debug("<[%s]: vset_reg=0x%x>\n",
+ __func__, sreg->register_info.vset_reg);

selector = (reg_val & sreg->register_info.vset_mask) >>
(ffs(sreg->register_info.vset_mask) - 1);
@@ -141,7 +143,7 @@ static int hisi_regulator_get_voltage(struct regulator_dev *dev)
}

static int hisi_regulator_set_voltage(struct regulator_dev *dev,
- int min_uV, int max_uV, unsigned *selector)
+ int min_uV, int max_uV, unsigned int *selector)
{
struct hisi_regulator *sreg = rdev_get_drvdata(dev);
struct hisi_pmic *pmic = rdev_to_pmic(dev);
@@ -162,14 +164,14 @@ static int hisi_regulator_set_voltage(struct regulator_dev *dev,
*selector = vsel;
/* set voltage selector */
hisi_pmic_rmw(pmic, sreg->register_info.vset_reg,
- sreg->register_info.vset_mask,
+ sreg->register_info.vset_mask,
vsel << (ffs(sreg->register_info.vset_mask) - 1));

- pr_debug("<[%s]: vset_reg=0x%x, vset_mask=0x%x, value=0x%x>\n", __func__,\
- sreg->register_info.vset_reg,\
- sreg->register_info.vset_mask,\
- vsel << (ffs(sreg->register_info.vset_mask) - 1)\
- );
+ pr_debug("<[%s]: vset_reg=0x%x, vset_mask=0x%x, value=0x%x>\n",
+ __func__,
+ sreg->register_info.vset_reg,
+ sreg->register_info.vset_mask,
+ vsel << (ffs(sreg->register_info.vset_mask) - 1));

return ret;
}
@@ -181,10 +183,10 @@ static unsigned int hisi_regulator_get_mode(struct regulator_dev *dev)
u32 reg_val;

reg_val = hisi_pmic_read(pmic, sreg->register_info.ctrl_reg);
- pr_debug("<[%s]: reg_val=%d, ctrl_reg=0x%x, eco_mode_mask=0x%x>\n", __func__, reg_val,\
- sreg->register_info.ctrl_reg,\
- sreg->register_info.eco_mode_mask\
- );
+ pr_debug("<[%s]: reg_val=%d, ctrl_reg=0x%x, eco_mode_mask=0x%x>\n",
+ __func__, reg_val,
+ sreg->register_info.ctrl_reg,
+ sreg->register_info.eco_mode_mask);

if (reg_val & sreg->register_info.eco_mode_mask)
return REGULATOR_MODE_IDLE;
@@ -193,7 +195,7 @@ static unsigned int hisi_regulator_get_mode(struct regulator_dev *dev)
}

static int hisi_regulator_set_mode(struct regulator_dev *dev,
- unsigned int mode)
+ unsigned int mode)
{
struct hisi_regulator *sreg = rdev_get_drvdata(dev);
struct hisi_pmic *pmic = rdev_to_pmic(dev);
@@ -212,31 +214,31 @@ static int hisi_regulator_set_mode(struct regulator_dev *dev,

/* set mode */
hisi_pmic_rmw(pmic, sreg->register_info.ctrl_reg,
+ sreg->register_info.eco_mode_mask,
+ eco_mode << (ffs(sreg->register_info.eco_mode_mask) - 1));
+
+ pr_debug("<[%s]: ctrl_reg=0x%x, eco_mode_mask=0x%x, value=0x%x>\n",
+ __func__,
+ sreg->register_info.ctrl_reg,
sreg->register_info.eco_mode_mask,
eco_mode << (ffs(sreg->register_info.eco_mode_mask) - 1));
-
- pr_debug("<[%s]: ctrl_reg=0x%x, eco_mode_mask=0x%x, value=0x%x>\n", __func__,\
- sreg->register_info.ctrl_reg,\
- sreg->register_info.eco_mode_mask,\
- eco_mode << (ffs(sreg->register_info.eco_mode_mask) - 1)\
- );
return 0;
}

-
-unsigned int hisi_regulator_get_optimum_mode(struct regulator_dev *dev,
- int input_uV, int output_uV, int load_uA)
+static unsigned int hisi_regulator_get_optimum_mode(struct regulator_dev *dev,
+ int input_uV, int output_uV,
+ int load_uA)
{
struct hisi_regulator *sreg = rdev_get_drvdata(dev);

- if ((load_uA == 0) || ((unsigned int)load_uA > sreg->eco_uA))
+ if (load_uA || ((unsigned int)load_uA > sreg->eco_uA))
return REGULATOR_MODE_NORMAL;
else
return REGULATOR_MODE_IDLE;
}

static int hisi_dt_parse_common(struct hisi_regulator *sreg,
- struct spmi_device *pdev)
+ struct spmi_device *pdev)
{
struct device *dev = &pdev->dev;
struct device_node *np = dev->of_node;
@@ -246,7 +248,7 @@ static int hisi_dt_parse_common(struct hisi_regulator *sreg,

/* parse .register_info.ctrl_reg */
ret = of_property_read_u32_array(np, "hisilicon,hisi-ctrl",
- register_info, 3);
+ register_info, 3);
if (ret) {
dev_err(dev, "no hisilicon,hisi-ctrl property set\n");
goto dt_parse_common_end;
@@ -257,7 +259,7 @@ static int hisi_dt_parse_common(struct hisi_regulator *sreg,

/* parse .register_info.vset_reg */
ret = of_property_read_u32_array(np, "hisilicon,hisi-vset",
- register_info, 2);
+ register_info, 2);
if (ret) {
dev_err(dev, "no hisilicon,hisi-vset property set\n");
goto dt_parse_common_end;
@@ -267,7 +269,7 @@ static int hisi_dt_parse_common(struct hisi_regulator *sreg,

/* parse .off-on-delay */
ret = of_property_read_u32(np, "hisilicon,hisi-off-on-delay-us",
- &sreg->off_on_delay);
+ &sreg->off_on_delay);
if (ret) {
dev_err(dev, "no hisilicon,hisi-off-on-delay-us property set\n");
goto dt_parse_common_end;
@@ -294,7 +296,7 @@ static int hisi_dt_parse_common(struct hisi_regulator *sreg,
}

static int hisi_dt_parse_ldo(struct hisi_regulator *sreg,
- struct spmi_device *pdev)
+ struct spmi_device *pdev)
{
struct device *dev = &pdev->dev;
struct device_node *np = dev->of_node;
@@ -312,7 +314,7 @@ static int hisi_dt_parse_ldo(struct hisi_regulator *sreg,

/* alloc space for .volt_table */
v_table = devm_kzalloc(dev, sizeof(unsigned int) * rdesc->n_voltages,
- GFP_KERNEL);
+ GFP_KERNEL);
if (unlikely(!v_table)) {
ret = -ENOMEM;
dev_err(dev, "no memory for .volt_table\n");
@@ -320,7 +322,7 @@ static int hisi_dt_parse_ldo(struct hisi_regulator *sreg,
}

ret = of_property_read_u32_array(np, "hisilicon,hisi-vset-table",
- v_table, rdesc->n_voltages);
+ v_table, rdesc->n_voltages);
if (ret) {
dev_err(dev, "no hisilicon,hisi-vset-table property set\n");
goto dt_parse_ldo_end1;
@@ -362,7 +364,7 @@ static const struct hisi_regulator hisi_regulator_ldo = {
.dt_parse = hisi_dt_parse_ldo,
};

-static struct of_device_id of_hisi_regulator_match_tbl[] = {
+static const struct of_device_id of_hisi_regulator_match_tbl[] = {
{
.compatible = "hisilicon-hisi-ldo",
.data = &hisi_regulator_ldo,
@@ -388,14 +390,14 @@ static int hisi_regulator_probe(struct spmi_device *pdev)
int ret = 0;
/* to check which type of regulator this is */
match = of_match_device(of_hisi_regulator_match_tbl, &pdev->dev);
- if (NULL == match) {
+ if (!match) {
pr_err("get hisi regulator fail!\n\r");
return -EINVAL;
}

template = match->data;
initdata = of_get_regulator_init_data(dev, np, NULL);
- if (NULL == initdata) {
+ if (!initdata) {
pr_err("get regulator init data error !\n");
return -EINVAL;
}
@@ -404,14 +406,14 @@ static int hisi_regulator_probe(struct spmi_device *pdev)
constraint = &initdata->constraints;

ret = of_property_read_u32_array(np, "hisilicon,valid-modes-mask",
- &(constraint->valid_modes_mask), 1);
+ &constraint->valid_modes_mask, 1);
if (ret) {
pr_err("no hisilicon,valid-modes-mask property set\n");
ret = -ENODEV;
return ret;
}
ret = of_property_read_u32_array(np, "hisilicon,valid-idle-mask",
- &temp_modes, 1);
+ &temp_modes, 1);
if (ret) {
pr_err("no hisilicon,valid-modes-mask property set\n");
ret = -ENODEV;
@@ -420,18 +422,16 @@ static int hisi_regulator_probe(struct spmi_device *pdev)
constraint->valid_ops_mask |= temp_modes;

sreg = kmemdup(template, sizeof(*sreg), GFP_KERNEL);
- if (!sreg) {
- pr_err("template kememdup is fail. \n");
+ if (!sreg)
return -ENOMEM;
- }
+
sreg->name = initdata->constraints.name;
rdesc = &sreg->rdesc;
rdesc->name = sreg->name;
rdesc->min_uV = initdata->constraints.min_uV;
supplyname = of_get_property(np, "hisilicon,supply_name", NULL);
- if (supplyname != NULL) {
+ if (supplyname)
initdata->supply_regulator = supplyname;
- }

/* to parse device tree data for regulator specific */
ret = sreg->dt_parse(sreg, pdev);
@@ -454,8 +454,9 @@ static int hisi_regulator_probe(struct spmi_device *pdev)
goto hisi_probe_end;
}

- pr_debug("[%s]:valid_modes_mask[0x%x], valid_ops_mask[0x%x]\n", rdesc->name,\
- constraint->valid_modes_mask, constraint->valid_ops_mask);
+ pr_debug("[%s]:valid_modes_mask[0x%x], valid_ops_mask[0x%x]\n",
+ rdesc->name,
+ constraint->valid_modes_mask, constraint->valid_ops_mask);

dev_set_drvdata(dev, rdev);
hisi_probe_end:
@@ -477,11 +478,12 @@ static void hisi_regulator_remove(struct spmi_device *pdev)

kfree(sreg);
}
+
static int hisi_regulator_suspend(struct device *dev, pm_message_t state)
{
struct hisi_regulator *hisi_regulator = dev_get_drvdata(dev);

- if (NULL == hisi_regulator) {
+ if (!hisi_regulator) {
pr_err("%s:regulator is NULL\n", __func__);
return -ENOMEM;
}
@@ -490,13 +492,13 @@ static int hisi_regulator_suspend(struct device *dev, pm_message_t state)
pr_info("%s:-\n", __func__);

return 0;
-}/*lint !e715 */
+}

static int hisi_regulator_resume(struct device *dev)
{
struct hisi_regulator *hisi_regulator = dev_get_drvdata(dev);

- if (NULL == hisi_regulator) {
+ if (!hisi_regulator) {
pr_err("%s:regulator is NULL\n", __func__);
return -ENOMEM;
}
--
2.26.2