diff options
| author | Axel Lin <axel.lin@gmail.com> | 2012-04-05 08:04:48 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-04-05 12:07:23 +0200 |
| commit | e3a7384c3e98c48b5f122e449e22cc8a1a6c7e0d (patch) | |
| tree | 3bfe325f5655f27cb23bc17e6518814a215dbf35 /drivers/regulator/rc5t583-regulator.c | |
| parent | regulator: rc5t583: Fix off-by-one valid range checking for selector (diff) | |
| download | linux-e3a7384c3e98c48b5f122e449e22cc8a1a6c7e0d.tar.xz linux-e3a7384c3e98c48b5f122e449e22cc8a1a6c7e0d.zip | |
regulator: rc5t583: Remove nsteps from struct rc5t583_regulator_info
The nsteps can be calculated by (_max_mv - _min_mv) * 1000 / _step_uV + 1,
thus we can remove _nsteps from RC5T583_REG macro, and then remove
nsteps from struct rc5t583_regulator_info.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'drivers/regulator/rc5t583-regulator.c')
| -rw-r--r-- | drivers/regulator/rc5t583-regulator.c | 37 |
1 files changed, 17 insertions, 20 deletions
diff --git a/drivers/regulator/rc5t583-regulator.c b/drivers/regulator/rc5t583-regulator.c index dc9ebb9bfd23..578bd5d48858 100644 --- a/drivers/regulator/rc5t583-regulator.c +++ b/drivers/regulator/rc5t583-regulator.c @@ -49,7 +49,6 @@ struct rc5t583_regulator_info { int min_uV; int max_uV; int step_uV; - int nsteps; /* Regulator specific turn-on delay and voltage settling time*/ int enable_uv_per_us; @@ -131,7 +130,7 @@ static int rc5t583_set_voltage_sel(struct regulator_dev *rdev, struct rc5t583_regulator *reg = rdev_get_drvdata(rdev); struct rc5t583_regulator_info *ri = reg->reg_info; int ret; - if (selector >= ri->nsteps) { + if (selector >= rdev->desc->n_voltages) { dev_err(&rdev->dev, "Invalid selector 0x%02x\n", selector); return -EINVAL; } @@ -198,8 +197,7 @@ static struct regulator_ops rc5t583_ops = { }; #define RC5T583_REG(_id, _en_reg, _en_bit, _disc_reg, _disc_bit, _vout_reg, \ - _vout_mask, _ds_reg, _min_mv, _max_mv, _step_uV, _nsteps, \ - _enable_mv) \ + _vout_mask, _ds_reg, _min_mv, _max_mv, _step_uV, _enable_mv) \ { \ .reg_en_reg = RC5T583_REG_##_en_reg, \ .en_bit = _en_bit, \ @@ -211,14 +209,13 @@ static struct regulator_ops rc5t583_ops = { .min_uV = _min_mv * 1000, \ .max_uV = _max_mv * 1000, \ .step_uV = _step_uV, \ - .nsteps = _nsteps, \ .enable_uv_per_us = _enable_mv * 1000, \ .change_uv_per_us = 40 * 1000, \ .deepsleep_id = RC5T583_DS_##_id, \ .desc = { \ .name = "rc5t583-regulator-"#_id, \ .id = RC5T583_REGULATOR_##_id, \ - .n_voltages = _nsteps, \ + .n_voltages = (_max_mv - _min_mv) * 1000 / _step_uV + 1, \ .ops = &rc5t583_ops, \ .type = REGULATOR_VOLTAGE, \ .owner = THIS_MODULE, \ @@ -227,33 +224,33 @@ static struct regulator_ops rc5t583_ops = { static struct rc5t583_regulator_info rc5t583_reg_info[RC5T583_REGULATOR_MAX] = { RC5T583_REG(DC0, DC0CTL, 0, DC0CTL, 1, DC0DAC, 0x7F, DC0DAC_DS, - 700, 1500, 12500, 0x41, 4), + 700, 1500, 12500, 4), RC5T583_REG(DC1, DC1CTL, 0, DC1CTL, 1, DC1DAC, 0x7F, DC1DAC_DS, - 700, 1500, 12500, 0x41, 14), + 700, 1500, 12500, 14), RC5T583_REG(DC2, DC2CTL, 0, DC2CTL, 1, DC2DAC, 0x7F, DC2DAC_DS, - 900, 2400, 12500, 0x79, 14), + 900, 2400, 12500, 14), RC5T583_REG(DC3, DC3CTL, 0, DC3CTL, 1, DC3DAC, 0x7F, DC3DAC_DS, - 900, 2400, 12500, 0x79, 14), + 900, 2400, 12500, 14), RC5T583_REG(LDO0, LDOEN2, 0, LDODIS2, 0, LDO0DAC, 0x7F, LDO0DAC_DS, - 900, 3400, 25000, 0x65, 160), + 900, 3400, 25000, 160), RC5T583_REG(LDO1, LDOEN2, 1, LDODIS2, 1, LDO1DAC, 0x7F, LDO1DAC_DS, - 900, 3400, 25000, 0x65, 160), + 900, 3400, 25000, 160), RC5T583_REG(LDO2, LDOEN2, 2, LDODIS2, 2, LDO2DAC, 0x7F, LDO2DAC_DS, - 900, 3400, 25000, 0x65, 160), + 900, 3400, 25000, 160), RC5T583_REG(LDO3, LDOEN2, 3, LDODIS2, 3, LDO3DAC, 0x7F, LDO3DAC_DS, - 900, 3400, 25000, 0x65, 160), + 900, 3400, 25000, 160), RC5T583_REG(LDO4, LDOEN2, 4, LDODIS2, 4, LDO4DAC, 0x3F, LDO4DAC_DS, - 750, 1500, 12500, 0x3D, 133), + 750, 1500, 12500, 133), RC5T583_REG(LDO5, LDOEN2, 5, LDODIS2, 5, LDO5DAC, 0x7F, LDO5DAC_DS, - 900, 3400, 25000, 0x65, 267), + 900, 3400, 25000, 267), RC5T583_REG(LDO6, LDOEN2, 6, LDODIS2, 6, LDO6DAC, 0x7F, LDO6DAC_DS, - 900, 3400, 25000, 0x65, 133), + 900, 3400, 25000, 133), RC5T583_REG(LDO7, LDOEN2, 7, LDODIS2, 7, LDO7DAC, 0x7F, LDO7DAC_DS, - 900, 3400, 25000, 0x65, 233), + 900, 3400, 25000, 233), RC5T583_REG(LDO8, LDOEN1, 0, LDODIS1, 0, LDO8DAC, 0x7F, LDO8DAC_DS, - 900, 3400, 25000, 0x65, 233), + 900, 3400, 25000, 233), RC5T583_REG(LDO9, LDOEN1, 1, LDODIS1, 1, LDO9DAC, 0x7F, LDO9DAC_DS, - 900, 3400, 25000, 0x65, 133), + 900, 3400, 25000, 133), }; static int __devinit rc5t583_regulator_probe(struct platform_device *pdev) |