diff options
author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2011-01-11 15:10:08 +1100 |
---|---|---|
committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2011-01-11 15:10:08 +1100 |
commit | eed0ba0b4ab2d1668588219a8efa81bf8636a12d (patch) | |
tree | f5aa3c732e7830a1b24e6071f8bed0f799881187 /drivers/regulator | |
parent | 98b14d6b290d96b24ae993ceaccc59b2aa4b130c (diff) | |
parent | c9de9333f5a860cab82052bce6ac28bcac9b2c26 (diff) | |
download | kernel_samsung_smdk4412-eed0ba0b4ab2d1668588219a8efa81bf8636a12d.zip kernel_samsung_smdk4412-eed0ba0b4ab2d1668588219a8efa81bf8636a12d.tar.gz kernel_samsung_smdk4412-eed0ba0b4ab2d1668588219a8efa81bf8636a12d.tar.bz2 |
Merge remote branch 'gcl/next' into next
Diffstat (limited to 'drivers/regulator')
-rw-r--r-- | drivers/regulator/core.c | 30 | ||||
-rw-r--r-- | drivers/regulator/mc13783-regulator.c | 4 | ||||
-rw-r--r-- | drivers/regulator/tps6586x-regulator.c | 33 | ||||
-rw-r--r-- | drivers/regulator/twl-regulator.c | 6 |
4 files changed, 46 insertions, 27 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index f1d10c9..ba521f0 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, ®ulator->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 4597d50..ecd99f5 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 51237fb..6d20b04 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 7e5892e..a57262a 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); } /*----------------------------------------------------------------------*/ |