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regulator: Fixes for v5.4 

There are a few core fixes here around error handling and handling if
 suspend mode configuration and some driver specific fixes here but the
 most important change is the fix to the fixed-regulator DT schema
 conversion introduced during the last merge window. That fixes one of
 the last two errors preventing successful execution of "make dt_binding_check"
 which will be enourmously helpful for DT schema development.
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Merge tag 'regulator-fix-v5.4-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator fixes from Mark Brown:
 "There are a few core fixes here around error handling and handling if
  suspend mode configuration and some driver specific fixes here but the
  most important change is the fix to the fixed-regulator DT schema
  conversion introduced during the last merge window.

  That fixes one of the last two errors preventing successful execution
  of "make dt_binding_check" which will be enormously helpful for DT
  schema development"

* tag 'regulator-fix-v5.4-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator: qcom-rpmh: Fix PMIC5 BoB min voltage
  regulator: pfuze100-regulator: Variable "val" in pfuze100_regulator_probe() could be uninitialized
  regulator: lochnagar: Add on_off_delay for VDDCORE
  regulator: ti-abb: Fix timeout in ti_abb_wait_txdone/ti_abb_clear_all_txdone
  regulator: da9062: fix suspend_enable/disable preparation
  dt-bindings: fixed-regulator: fix compatible enum
  regulator: fixed: Prevent NULL pointer dereference when !CONFIG_OF
  regulator: core: make regulator_register() EPROBE_DEFER aware
  regulator: of: fix suspend-min/max-voltage parsing
This commit is contained in:
Linus Torvalds 2019-10-23 15:31:17 -04:00
parent 13b86bc4cd 77fd66c9ff
commit deed1d4469
9 changed files with 100 additions and 106 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
Documentation/devicetree/bindings/regulator/fixed-regulator.yaml
View File

@ -30,8 +30,8 @@ if:
properties:
compatible:
enum:
- const: regulator-fixed
- const: regulator-fixed-clock
- regulator-fixed
- regulator-fixed-clock
regulator-name: true

13
drivers/regulator/core.c
View File

@ -5053,6 +5053,19 @@ regulator_register(const struct regulator_desc *regulator_desc,
init_data = regulator_of_get_init_data(dev, regulator_desc, config,
&rdev->dev.of_node);
/*
* Sometimes not all resources are probed already so we need to take
* that into account. This happens most the time if the ena_gpiod comes
* from a gpio extender or something else.
*/
if (PTR_ERR(init_data) == -EPROBE_DEFER) {
kfree(config);
kfree(rdev);
ret = -EPROBE_DEFER;
goto rinse;
}
/*
* We need to keep track of any GPIO descriptor coming from the
* device tree until we have handled it over to the core. If the

118
drivers/regulator/da9062-regulator.c
View File

@ -136,7 +136,6 @@ static int da9062_buck_set_mode(struct regulator_dev *rdev, unsigned mode)
static unsigned da9062_buck_get_mode(struct regulator_dev *rdev)
{
struct da9062_regulator *regl = rdev_get_drvdata(rdev);
struct regmap_field *field;
unsigned int val, mode = 0;
int ret;
@ -158,18 +157,7 @@ static unsigned da9062_buck_get_mode(struct regulator_dev *rdev)
return REGULATOR_MODE_NORMAL;
}
/* Detect current regulator state */
ret = regmap_field_read(regl->suspend, &val);
if (ret < 0)
return 0;
/* Read regulator mode from proper register, depending on state */
if (val)
field = regl->suspend_sleep;
else
field = regl->sleep;
ret = regmap_field_read(field, &val);
ret = regmap_field_read(regl->sleep, &val);
if (ret < 0)
return 0;
@ -208,21 +196,9 @@ static int da9062_ldo_set_mode(struct regulator_dev *rdev, unsigned mode)
static unsigned da9062_ldo_get_mode(struct regulator_dev *rdev)
{
struct da9062_regulator *regl = rdev_get_drvdata(rdev);
struct regmap_field *field;
int ret, val;
/* Detect current regulator state */
ret = regmap_field_read(regl->suspend, &val);
if (ret < 0)
return 0;
/* Read regulator mode from proper register, depending on state */
if (val)
field = regl->suspend_sleep;
else
field = regl->sleep;
ret = regmap_field_read(field, &val);
ret = regmap_field_read(regl->sleep, &val);
if (ret < 0)
return 0;
@ -408,10 +384,10 @@ static const struct da9062_regulator_info local_da9061_regulator_info[] = {
__builtin_ffs((int)DA9062AA_BUCK1_MODE_MASK) - 1,
sizeof(unsigned int) * 8 -
__builtin_clz((DA9062AA_BUCK1_MODE_MASK)) - 1),
.suspend = REG_FIELD(DA9062AA_DVC_1,
__builtin_ffs((int)DA9062AA_VBUCK1_SEL_MASK) - 1,
.suspend = REG_FIELD(DA9062AA_BUCK1_CONT,
__builtin_ffs((int)DA9062AA_BUCK1_CONF_MASK) - 1,
sizeof(unsigned int) * 8 -
__builtin_clz((DA9062AA_VBUCK1_SEL_MASK)) - 1),
__builtin_clz(DA9062AA_BUCK1_CONF_MASK) - 1),
},
{
.desc.id = DA9061_ID_BUCK2,
@ -444,10 +420,10 @@ static const struct da9062_regulator_info local_da9061_regulator_info[] = {
__builtin_ffs((int)DA9062AA_BUCK3_MODE_MASK) - 1,
sizeof(unsigned int) * 8 -
__builtin_clz((DA9062AA_BUCK3_MODE_MASK)) - 1),
.suspend = REG_FIELD(DA9062AA_DVC_1,
__builtin_ffs((int)DA9062AA_VBUCK3_SEL_MASK) - 1,
.suspend = REG_FIELD(DA9062AA_BUCK3_CONT,
__builtin_ffs((int)DA9062AA_BUCK3_CONF_MASK) - 1,
sizeof(unsigned int) * 8 -
__builtin_clz((DA9062AA_VBUCK3_SEL_MASK)) - 1),
__builtin_clz(DA9062AA_BUCK3_CONF_MASK) - 1),
},
{
.desc.id = DA9061_ID_BUCK3,
@ -480,10 +456,10 @@ static const struct da9062_regulator_info local_da9061_regulator_info[] = {
__builtin_ffs((int)DA9062AA_BUCK4_MODE_MASK) - 1,
sizeof(unsigned int) * 8 -
__builtin_clz((DA9062AA_BUCK4_MODE_MASK)) - 1),
.suspend = REG_FIELD(DA9062AA_DVC_1,
__builtin_ffs((int)DA9062AA_VBUCK4_SEL_MASK) - 1,
.suspend = REG_FIELD(DA9062AA_BUCK4_CONT,
__builtin_ffs((int)DA9062AA_BUCK4_CONF_MASK) - 1,
sizeof(unsigned int) * 8 -
__builtin_clz((DA9062AA_VBUCK4_SEL_MASK)) - 1),
__builtin_clz(DA9062AA_BUCK4_CONF_MASK) - 1),
},
{
.desc.id = DA9061_ID_LDO1,
@ -509,10 +485,10 @@ static const struct da9062_regulator_info local_da9061_regulator_info[] = {
sizeof(unsigned int) * 8 -
__builtin_clz((DA9062AA_LDO1_SL_B_MASK)) - 1),
.suspend_vsel_reg = DA9062AA_VLDO1_B,
.suspend = REG_FIELD(DA9062AA_DVC_1,
__builtin_ffs((int)DA9062AA_VLDO1_SEL_MASK) - 1,
.suspend = REG_FIELD(DA9062AA_LDO1_CONT,
__builtin_ffs((int)DA9062AA_LDO1_CONF_MASK) - 1,
sizeof(unsigned int) * 8 -
__builtin_clz((DA9062AA_VLDO1_SEL_MASK)) - 1),
__builtin_clz(DA9062AA_LDO1_CONF_MASK) - 1),
.oc_event = REG_FIELD(DA9062AA_STATUS_D,
__builtin_ffs((int)DA9062AA_LDO1_ILIM_MASK) - 1,
sizeof(unsigned int) * 8 -
@ -542,10 +518,10 @@ static const struct da9062_regulator_info local_da9061_regulator_info[] = {
sizeof(unsigned int) * 8 -
__builtin_clz((DA9062AA_LDO2_SL_B_MASK)) - 1),
.suspend_vsel_reg = DA9062AA_VLDO2_B,
.suspend = REG_FIELD(DA9062AA_DVC_1,
__builtin_ffs((int)DA9062AA_VLDO2_SEL_MASK) - 1,
.suspend = REG_FIELD(DA9062AA_LDO2_CONT,
__builtin_ffs((int)DA9062AA_LDO2_CONF_MASK) - 1,
sizeof(unsigned int) * 8 -
__builtin_clz((DA9062AA_VLDO2_SEL_MASK)) - 1),
__builtin_clz(DA9062AA_LDO2_CONF_MASK) - 1),
.oc_event = REG_FIELD(DA9062AA_STATUS_D,
__builtin_ffs((int)DA9062AA_LDO2_ILIM_MASK) - 1,
sizeof(unsigned int) * 8 -
@ -575,10 +551,10 @@ static const struct da9062_regulator_info local_da9061_regulator_info[] = {
sizeof(unsigned int) * 8 -
__builtin_clz((DA9062AA_LDO3_SL_B_MASK)) - 1),
.suspend_vsel_reg = DA9062AA_VLDO3_B,
.suspend = REG_FIELD(DA9062AA_DVC_1,
__builtin_ffs((int)DA9062AA_VLDO3_SEL_MASK) - 1,
.suspend = REG_FIELD(DA9062AA_LDO3_CONT,
__builtin_ffs((int)DA9062AA_LDO3_CONF_MASK) - 1,
sizeof(unsigned int) * 8 -
__builtin_clz((DA9062AA_VLDO3_SEL_MASK)) - 1),
__builtin_clz(DA9062AA_LDO3_CONF_MASK) - 1),
.oc_event = REG_FIELD(DA9062AA_STATUS_D,
__builtin_ffs((int)DA9062AA_LDO3_ILIM_MASK) - 1,
sizeof(unsigned int) * 8 -
@ -608,10 +584,10 @@ static const struct da9062_regulator_info local_da9061_regulator_info[] = {
sizeof(unsigned int) * 8 -
__builtin_clz((DA9062AA_LDO4_SL_B_MASK)) - 1),
.suspend_vsel_reg = DA9062AA_VLDO4_B,
.suspend = REG_FIELD(DA9062AA_DVC_1,
__builtin_ffs((int)DA9062AA_VLDO4_SEL_MASK) - 1,
.suspend = REG_FIELD(DA9062AA_LDO4_CONT,
__builtin_ffs((int)DA9062AA_LDO4_CONF_MASK) - 1,
sizeof(unsigned int) * 8 -
__builtin_clz((DA9062AA_VLDO4_SEL_MASK)) - 1),
__builtin_clz(DA9062AA_LDO4_CONF_MASK) - 1),
.oc_event = REG_FIELD(DA9062AA_STATUS_D,
__builtin_ffs((int)DA9062AA_LDO4_ILIM_MASK) - 1,
sizeof(unsigned int) * 8 -
@ -652,10 +628,10 @@ static const struct da9062_regulator_info local_da9062_regulator_info[] = {
__builtin_ffs((int)DA9062AA_BUCK1_MODE_MASK) - 1,
sizeof(unsigned int) * 8 -
__builtin_clz((DA9062AA_BUCK1_MODE_MASK)) - 1),
.suspend = REG_FIELD(DA9062AA_DVC_1,
__builtin_ffs((int)DA9062AA_VBUCK1_SEL_MASK) - 1,
.suspend = REG_FIELD(DA9062AA_BUCK1_CONT,
__builtin_ffs((int)DA9062AA_BUCK1_CONF_MASK) - 1,
sizeof(unsigned int) * 8 -
__builtin_clz((DA9062AA_VBUCK1_SEL_MASK)) - 1),
__builtin_clz(DA9062AA_BUCK1_CONF_MASK) - 1),
},
{
.desc.id = DA9062_ID_BUCK2,
@ -688,10 +664,10 @@ static const struct da9062_regulator_info local_da9062_regulator_info[] = {
__builtin_ffs((int)DA9062AA_BUCK2_MODE_MASK) - 1,
sizeof(unsigned int) * 8 -
__builtin_clz((DA9062AA_BUCK2_MODE_MASK)) - 1),
.suspend = REG_FIELD(DA9062AA_DVC_1,
__builtin_ffs((int)DA9062AA_VBUCK2_SEL_MASK) - 1,
.suspend = REG_FIELD(DA9062AA_BUCK2_CONT,
__builtin_ffs((int)DA9062AA_BUCK2_CONF_MASK) - 1,
sizeof(unsigned int) * 8 -
__builtin_clz((DA9062AA_VBUCK2_SEL_MASK)) - 1),
__builtin_clz(DA9062AA_BUCK2_CONF_MASK) - 1),
},
{
.desc.id = DA9062_ID_BUCK3,
@ -724,10 +700,10 @@ static const struct da9062_regulator_info local_da9062_regulator_info[] = {
__builtin_ffs((int)DA9062AA_BUCK3_MODE_MASK) - 1,
sizeof(unsigned int) * 8 -
__builtin_clz((DA9062AA_BUCK3_MODE_MASK)) - 1),
.suspend = REG_FIELD(DA9062AA_DVC_1,
__builtin_ffs((int)DA9062AA_VBUCK3_SEL_MASK) - 1,
.suspend = REG_FIELD(DA9062AA_BUCK3_CONT,
__builtin_ffs((int)DA9062AA_BUCK3_CONF_MASK) - 1,
sizeof(unsigned int) * 8 -
__builtin_clz((DA9062AA_VBUCK3_SEL_MASK)) - 1),
__builtin_clz(DA9062AA_BUCK3_CONF_MASK) - 1),
},
{
.desc.id = DA9062_ID_BUCK4,
@ -760,10 +736,10 @@ static const struct da9062_regulator_info local_da9062_regulator_info[] = {
__builtin_ffs((int)DA9062AA_BUCK4_MODE_MASK) - 1,
sizeof(unsigned int) * 8 -
__builtin_clz((DA9062AA_BUCK4_MODE_MASK)) - 1),
.suspend = REG_FIELD(DA9062AA_DVC_1,
__builtin_ffs((int)DA9062AA_VBUCK4_SEL_MASK) - 1,
.suspend = REG_FIELD(DA9062AA_BUCK4_CONT,
__builtin_ffs((int)DA9062AA_BUCK4_CONF_MASK) - 1,
sizeof(unsigned int) * 8 -
__builtin_clz((DA9062AA_VBUCK4_SEL_MASK)) - 1),
__builtin_clz(DA9062AA_BUCK4_CONF_MASK) - 1),
},
{
.desc.id = DA9062_ID_LDO1,
@ -789,10 +765,10 @@ static const struct da9062_regulator_info local_da9062_regulator_info[] = {
sizeof(unsigned int) * 8 -
__builtin_clz((DA9062AA_LDO1_SL_B_MASK)) - 1),
.suspend_vsel_reg = DA9062AA_VLDO1_B,
.suspend = REG_FIELD(DA9062AA_DVC_1,
__builtin_ffs((int)DA9062AA_VLDO1_SEL_MASK) - 1,
.suspend = REG_FIELD(DA9062AA_LDO1_CONT,
__builtin_ffs((int)DA9062AA_LDO1_CONF_MASK) - 1,
sizeof(unsigned int) * 8 -
__builtin_clz((DA9062AA_VLDO1_SEL_MASK)) - 1),
__builtin_clz(DA9062AA_LDO1_CONF_MASK) - 1),
.oc_event = REG_FIELD(DA9062AA_STATUS_D,
__builtin_ffs((int)DA9062AA_LDO1_ILIM_MASK) - 1,
sizeof(unsigned int) * 8 -
@ -822,10 +798,10 @@ static const struct da9062_regulator_info local_da9062_regulator_info[] = {
sizeof(unsigned int) * 8 -
__builtin_clz((DA9062AA_LDO2_SL_B_MASK)) - 1),
.suspend_vsel_reg = DA9062AA_VLDO2_B,
.suspend = REG_FIELD(DA9062AA_DVC_1,
__builtin_ffs((int)DA9062AA_VLDO2_SEL_MASK) - 1,
.suspend = REG_FIELD(DA9062AA_LDO2_CONT,
__builtin_ffs((int)DA9062AA_LDO2_CONF_MASK) - 1,
sizeof(unsigned int) * 8 -
__builtin_clz((DA9062AA_VLDO2_SEL_MASK)) - 1),
__builtin_clz(DA9062AA_LDO2_CONF_MASK) - 1),
.oc_event = REG_FIELD(DA9062AA_STATUS_D,
__builtin_ffs((int)DA9062AA_LDO2_ILIM_MASK) - 1,
sizeof(unsigned int) * 8 -
@ -855,10 +831,10 @@ static const struct da9062_regulator_info local_da9062_regulator_info[] = {
sizeof(unsigned int) * 8 -
__builtin_clz((DA9062AA_LDO3_SL_B_MASK)) - 1),
.suspend_vsel_reg = DA9062AA_VLDO3_B,
.suspend = REG_FIELD(DA9062AA_DVC_1,
__builtin_ffs((int)DA9062AA_VLDO3_SEL_MASK) - 1,
.suspend = REG_FIELD(DA9062AA_LDO3_CONT,
__builtin_ffs((int)DA9062AA_LDO3_CONF_MASK) - 1,
sizeof(unsigned int) * 8 -
__builtin_clz((DA9062AA_VLDO3_SEL_MASK)) - 1),
__builtin_clz(DA9062AA_LDO3_CONF_MASK) - 1),
.oc_event = REG_FIELD(DA9062AA_STATUS_D,
__builtin_ffs((int)DA9062AA_LDO3_ILIM_MASK) - 1,
sizeof(unsigned int) * 8 -
@ -888,10 +864,10 @@ static const struct da9062_regulator_info local_da9062_regulator_info[] = {
sizeof(unsigned int) * 8 -
__builtin_clz((DA9062AA_LDO4_SL_B_MASK)) - 1),
.suspend_vsel_reg = DA9062AA_VLDO4_B,
.suspend = REG_FIELD(DA9062AA_DVC_1,
__builtin_ffs((int)DA9062AA_VLDO4_SEL_MASK) - 1,
.suspend = REG_FIELD(DA9062AA_LDO4_CONT,
__builtin_ffs((int)DA9062AA_LDO4_CONF_MASK) - 1,
sizeof(unsigned int) * 8 -
__builtin_clz((DA9062AA_VLDO4_SEL_MASK)) - 1),
__builtin_clz(DA9062AA_LDO4_CONF_MASK) - 1),
.oc_event = REG_FIELD(DA9062AA_STATUS_D,
__builtin_ffs((int)DA9062AA_LDO4_ILIM_MASK) - 1,
sizeof(unsigned int) * 8 -

5
drivers/regulator/fixed.c
View File

@ -144,8 +144,7 @@ static int reg_fixed_voltage_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev;
struct fixed_voltage_config *config;
struct fixed_voltage_data *drvdata;
const struct fixed_dev_type *drvtype =
of_match_device(dev->driver->of_match_table, dev)->data;
const struct fixed_dev_type *drvtype = of_device_get_match_data(dev);
struct regulator_config cfg = { };
enum gpiod_flags gflags;
int ret;
@ -177,7 +176,7 @@ static int reg_fixed_voltage_probe(struct platform_device *pdev)
drvdata->desc.type = REGULATOR_VOLTAGE;
drvdata->desc.owner = THIS_MODULE;
if (drvtype->has_enable_clock) {
if (drvtype && drvtype->has_enable_clock) {
drvdata->desc.ops = &fixed_voltage_clkenabled_ops;
drvdata->enable_clock = devm_clk_get(dev, NULL);

1
drivers/regulator/lochnagar-regulator.c
View File

@ -210,6 +210,7 @@ static const struct regulator_desc lochnagar_regulators[] = {
.enable_time = 3000,
.ramp_delay = 1000,
.off_on_delay = 15000,
.owner = THIS_MODULE,
},

27
drivers/regulator/of_regulator.c
View File

@ -231,12 +231,12 @@ static int of_get_regulation_constraints(struct device *dev,
"regulator-off-in-suspend"))
suspend_state->enabled = DISABLE_IN_SUSPEND;
if (!of_property_read_u32(np, "regulator-suspend-min-microvolt",
&pval))
if (!of_property_read_u32(suspend_np,
"regulator-suspend-min-microvolt", &pval))
suspend_state->min_uV = pval;
if (!of_property_read_u32(np, "regulator-suspend-max-microvolt",
&pval))
if (!of_property_read_u32(suspend_np,
"regulator-suspend-max-microvolt", &pval))
suspend_state->max_uV = pval;
if (!of_property_read_u32(suspend_np,
@ -445,11 +445,20 @@ struct regulator_init_data *regulator_of_get_init_data(struct device *dev,
goto error;
}
if (desc->of_parse_cb && desc->of_parse_cb(child, desc, config)) {
dev_err(dev,
"driver callback failed to parse DT for regulator %pOFn\n",
child);
goto error;
if (desc->of_parse_cb) {
int ret;
ret = desc->of_parse_cb(child, desc, config);
if (ret) {
if (ret == -EPROBE_DEFER) {
of_node_put(child);
return ERR_PTR(-EPROBE_DEFER);
}
dev_err(dev,
"driver callback failed to parse DT for regulator %pOFn\n",
child);
goto error;
}
}
*node = child;

8
drivers/regulator/pfuze100-regulator.c
View File

@ -788,7 +788,13 @@ static int pfuze100_regulator_probe(struct i2c_client *client,
/* SW2~SW4 high bit check and modify the voltage value table */
if (i >= sw_check_start && i <= sw_check_end) {
regmap_read(pfuze_chip->regmap, desc->vsel_reg, &val);
ret = regmap_read(pfuze_chip->regmap,
desc->vsel_reg, &val);
if (ret) {
dev_err(&client->dev, "Fails to read from the register.\n");
return ret;
}
if (val & sw_hi) {
if (pfuze_chip->chip_id == PFUZE3000 ||
pfuze_chip->chip_id == PFUZE3001) {

4
drivers/regulator/qcom-rpmh-regulator.c
View File

@ -735,8 +735,8 @@ static const struct rpmh_vreg_hw_data pmic5_hfsmps515 = {
static const struct rpmh_vreg_hw_data pmic5_bob = {
.regulator_type = VRM,
.ops = &rpmh_regulator_vrm_bypass_ops,
.voltage_range = REGULATOR_LINEAR_RANGE(300000, 0, 135, 32000),
.n_voltages = 136,
.voltage_range = REGULATOR_LINEAR_RANGE(3000000, 0, 31, 32000),
.n_voltages = 32,
.pmic_mode_map = pmic_mode_map_pmic5_bob,
.of_map_mode = rpmh_regulator_pmic4_bob_of_map_mode,
};

26
drivers/regulator/ti-abb-regulator.c
View File

@ -173,19 +173,14 @@ static int ti_abb_wait_txdone(struct device *dev, struct ti_abb *abb)
while (timeout++ <= abb->settling_time) {
status = ti_abb_check_txdone(abb);
if (status)
break;
return 0;
udelay(1);
}
if (timeout > abb->settling_time) {
dev_warn_ratelimited(dev,
"%s:TRANXDONE timeout(%duS) int=0x%08x\n",
__func__, timeout, readl(abb->int_base));
return -ETIMEDOUT;
}
return 0;
dev_warn_ratelimited(dev, "%s:TRANXDONE timeout(%duS) int=0x%08x\n",
__func__, timeout, readl(abb->int_base));
return -ETIMEDOUT;
}
/**
@ -205,19 +200,14 @@ static int ti_abb_clear_all_txdone(struct device *dev, const struct ti_abb *abb)
status = ti_abb_check_txdone(abb);
if (!status)
break;
return 0;
udelay(1);
}
if (timeout > abb->settling_time) {
dev_warn_ratelimited(dev,
"%s:TRANXDONE timeout(%duS) int=0x%08x\n",
__func__, timeout, readl(abb->int_base));
return -ETIMEDOUT;
}
return 0;
dev_warn_ratelimited(dev, "%s:TRANXDONE timeout(%duS) int=0x%08x\n",
__func__, timeout, readl(abb->int_base));
return -ETIMEDOUT;
}
/**