aboutsummaryrefslogtreecommitdiff
path: root/drivers/regulator
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/regulator')
-rw-r--r--drivers/regulator/core.c30
-rw-r--r--drivers/regulator/mc13783-regulator.c4
-rw-r--r--drivers/regulator/tps6586x-regulator.c33
-rw-r--r--drivers/regulator/twl-regulator.c6
4 files changed, 46 insertions, 27 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index f1d10c974cd..ba521f0f0fa 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -911,7 +911,7 @@ out:
}
/**
- * set_consumer_device_supply: Bind a regulator to a symbolic supply
+ * set_consumer_device_supply - Bind a regulator to a symbolic supply
* @rdev: regulator source
* @consumer_dev: device the supply applies to
* @consumer_dev_name: dev_name() string for device supply applies to
@@ -1052,7 +1052,6 @@ static struct regulator *create_regulator(struct regulator_dev *rdev,
printk(KERN_WARNING
"%s: could not add device link %s err %d\n",
__func__, dev->kobj.name, err);
- device_remove_file(dev, &regulator->dev_attr);
goto link_name_err;
}
}
@@ -1268,13 +1267,17 @@ static int _regulator_enable(struct regulator_dev *rdev)
{
int ret, delay;
- /* do we need to enable the supply regulator first */
- if (rdev->supply) {
- ret = _regulator_enable(rdev->supply);
- if (ret < 0) {
- printk(KERN_ERR "%s: failed to enable %s: %d\n",
- __func__, rdev_get_name(rdev), ret);
- return ret;
+ if (rdev->use_count == 0) {
+ /* do we need to enable the supply regulator first */
+ if (rdev->supply) {
+ mutex_lock(&rdev->supply->mutex);
+ ret = _regulator_enable(rdev->supply);
+ mutex_unlock(&rdev->supply->mutex);
+ if (ret < 0) {
+ printk(KERN_ERR "%s: failed to enable %s: %d\n",
+ __func__, rdev_get_name(rdev), ret);
+ return ret;
+ }
}
}
@@ -1313,10 +1316,12 @@ static int _regulator_enable(struct regulator_dev *rdev)
if (ret < 0)
return ret;
- if (delay >= 1000)
+ if (delay >= 1000) {
mdelay(delay / 1000);
- else if (delay)
+ udelay(delay % 1000);
+ } else if (delay) {
udelay(delay);
+ }
} else if (ret < 0) {
printk(KERN_ERR "%s: is_enabled() failed for %s: %d\n",
@@ -1359,6 +1364,7 @@ static int _regulator_disable(struct regulator_dev *rdev,
struct regulator_dev **supply_rdev_ptr)
{
int ret = 0;
+ *supply_rdev_ptr = NULL;
if (WARN(rdev->use_count <= 0,
"unbalanced disables for %s\n",
@@ -2346,6 +2352,7 @@ struct regulator_dev *regulator_register(struct regulator_desc *regulator_desc,
if (init_data->supply_regulator && init_data->supply_regulator_dev) {
dev_err(dev,
"Supply regulator specified by both name and dev\n");
+ ret = -EINVAL;
goto scrub;
}
@@ -2364,6 +2371,7 @@ struct regulator_dev *regulator_register(struct regulator_desc *regulator_desc,
if (!found) {
dev_err(dev, "Failed to find supply %s\n",
init_data->supply_regulator);
+ ret = -ENODEV;
goto scrub;
}
diff --git a/drivers/regulator/mc13783-regulator.c b/drivers/regulator/mc13783-regulator.c
index 4597d508a22..ecd99f59dba 100644
--- a/drivers/regulator/mc13783-regulator.c
+++ b/drivers/regulator/mc13783-regulator.c
@@ -465,8 +465,8 @@ static struct regulator_ops mc13783_fixed_regulator_ops = {
.get_voltage = mc13783_fixed_regulator_get_voltage,
};
-int mc13783_powermisc_rmw(struct mc13783_regulator_priv *priv, u32 mask,
- u32 val)
+static int mc13783_powermisc_rmw(struct mc13783_regulator_priv *priv, u32 mask,
+ u32 val)
{
struct mc13783 *mc13783 = priv->mc13783;
int ret;
diff --git a/drivers/regulator/tps6586x-regulator.c b/drivers/regulator/tps6586x-regulator.c
index 51237fbb1bb..6d20b0454a1 100644
--- a/drivers/regulator/tps6586x-regulator.c
+++ b/drivers/regulator/tps6586x-regulator.c
@@ -231,8 +231,7 @@ static int tps6586x_dvm_voltages[] = {
};
#define TPS6586X_REGULATOR(_id, vdata, _ops, vreg, shift, nbits, \
- ereg0, ebit0, ereg1, ebit1, goreg, gobit) \
-{ \
+ ereg0, ebit0, ereg1, ebit1) \
.desc = { \
.name = "REG-" #_id, \
.ops = &tps6586x_regulator_##_ops, \
@@ -248,18 +247,26 @@ static int tps6586x_dvm_voltages[] = {
.enable_bit[0] = (ebit0), \
.enable_reg[1] = TPS6586X_SUPPLY##ereg1, \
.enable_bit[1] = (ebit1), \
- .voltages = tps6586x_##vdata##_voltages, \
-}
+ .voltages = tps6586x_##vdata##_voltages,
+
+#define TPS6586X_REGULATOR_DVM_GOREG(goreg, gobit) \
+ .go_reg = TPS6586X_##goreg, \
+ .go_bit = (gobit),
#define TPS6586X_LDO(_id, vdata, vreg, shift, nbits, \
ereg0, ebit0, ereg1, ebit1) \
+{ \
TPS6586X_REGULATOR(_id, vdata, ldo_ops, vreg, shift, nbits, \
- ereg0, ebit0, ereg1, ebit1, 0, 0)
+ ereg0, ebit0, ereg1, ebit1) \
+}
#define TPS6586X_DVM(_id, vdata, vreg, shift, nbits, \
ereg0, ebit0, ereg1, ebit1, goreg, gobit) \
+{ \
TPS6586X_REGULATOR(_id, vdata, dvm_ops, vreg, shift, nbits, \
- ereg0, ebit0, ereg1, ebit1, goreg, gobit)
+ ereg0, ebit0, ereg1, ebit1) \
+ TPS6586X_REGULATOR_DVM_GOREG(goreg, gobit) \
+}
static struct tps6586x_regulator tps6586x_regulator[] = {
TPS6586X_LDO(LDO_0, ldo, SUPPLYV1, 5, 3, ENC, 0, END, 0),
@@ -267,11 +274,11 @@ static struct tps6586x_regulator tps6586x_regulator[] = {
TPS6586X_LDO(LDO_5, ldo, SUPPLYV6, 0, 3, ENE, 6, ENE, 6),
TPS6586X_LDO(LDO_6, ldo, SUPPLYV3, 0, 3, ENC, 4, END, 4),
TPS6586X_LDO(LDO_7, ldo, SUPPLYV3, 3, 3, ENC, 5, END, 5),
- TPS6586X_LDO(LDO_8, ldo, SUPPLYV1, 5, 3, ENC, 6, END, 6),
+ TPS6586X_LDO(LDO_8, ldo, SUPPLYV2, 5, 3, ENC, 6, END, 6),
TPS6586X_LDO(LDO_9, ldo, SUPPLYV6, 3, 3, ENE, 7, ENE, 7),
- TPS6586X_LDO(LDO_RTC, ldo, SUPPLYV4, 3, 3, ENE, 7, ENE, 7),
+ TPS6586X_LDO(LDO_RTC, ldo, SUPPLYV4, 3, 3, V4, 7, V4, 7),
TPS6586X_LDO(LDO_1, dvm, SUPPLYV1, 0, 5, ENC, 1, END, 1),
- TPS6586X_LDO(SM_2, sm2, SUPPLYV2, 0, 5, ENC, 1, END, 1),
+ TPS6586X_LDO(SM_2, sm2, SUPPLYV2, 0, 5, ENC, 7, END, 7),
TPS6586X_DVM(LDO_2, dvm, LDO2BV1, 0, 5, ENA, 3, ENB, 3, VCC2, 6),
TPS6586X_DVM(LDO_4, ldo4, LDO4V1, 0, 5, ENC, 3, END, 3, VCC1, 6),
@@ -290,6 +297,10 @@ static inline int tps6586x_regulator_preinit(struct device *parent,
uint8_t val1, val2;
int ret;
+ if (ri->enable_reg[0] == ri->enable_reg[1] &&
+ ri->enable_bit[0] == ri->enable_bit[1])
+ return 0;
+
ret = tps6586x_read(parent, ri->enable_reg[0], &val1);
if (ret)
return ret;
@@ -298,14 +309,14 @@ static inline int tps6586x_regulator_preinit(struct device *parent,
if (ret)
return ret;
- if (!(val2 & ri->enable_bit[1]))
+ if (!(val2 & (1 << ri->enable_bit[1])))
return 0;
/*
* The regulator is on, but it's enabled with the bit we don't
* want to use, so we switch the enable bits
*/
- if (!(val1 & ri->enable_bit[0])) {
+ if (!(val1 & (1 << ri->enable_bit[0]))) {
ret = tps6586x_set_bits(parent, ri->enable_reg[0],
1 << ri->enable_bit[0]);
if (ret)
diff --git a/drivers/regulator/twl-regulator.c b/drivers/regulator/twl-regulator.c
index 7e5892efc43..a57262a4fa6 100644
--- a/drivers/regulator/twl-regulator.c
+++ b/drivers/regulator/twl-regulator.c
@@ -219,12 +219,12 @@ static int twlreg_set_mode(struct regulator_dev *rdev, unsigned mode)
return -EACCES;
status = twl_i2c_write_u8(TWL_MODULE_PM_MASTER,
- message >> 8, 0x15 /* PB_WORD_MSB */ );
- if (status >= 0)
+ message >> 8, TWL4030_PM_MASTER_PB_WORD_MSB);
+ if (status < 0)
return status;
return twl_i2c_write_u8(TWL_MODULE_PM_MASTER,
- message, 0x16 /* PB_WORD_LSB */ );
+ message & 0xff, TWL4030_PM_MASTER_PB_WORD_LSB);
}
/*----------------------------------------------------------------------*/
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-27 11:21:49 +0000