regulator: ab8500: Get rid of voltage_shift field from struct ab8500_regulator_info
The voltage_shift can be calculated from voltage_mask. Let's remove voltage_shift fied from struct ab8500_regulator_info, this change can prevent missing voltage_shift setting issue. Signed-off-by: Axel Lin <axel.lin@ingics.com> Acked-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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@ -61,7 +61,6 @@ struct ab8500_shared_mode {
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* @voltage_bank: bank to control regulator voltage
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* @voltage_reg: register to control regulator voltage
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* @voltage_mask: mask to control regulator voltage
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* @voltage_shift: shift to control regulator voltage
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*/
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struct ab8500_regulator_info {
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struct device *dev;
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@ -83,7 +82,6 @@ struct ab8500_regulator_info {
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u8 voltage_bank;
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u8 voltage_reg;
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u8 voltage_mask;
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u8 voltage_shift;
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struct {
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u8 voltage_limit;
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u8 voltage_bank;
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@ -480,7 +478,7 @@ static unsigned int ab8500_regulator_get_mode(struct regulator_dev *rdev)
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static int ab8500_regulator_get_voltage_sel(struct regulator_dev *rdev)
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{
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int ret, val;
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int ret, voltage_shift;
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struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
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u8 regval;
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@ -489,6 +487,8 @@ static int ab8500_regulator_get_voltage_sel(struct regulator_dev *rdev)
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return -EINVAL;
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}
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voltage_shift = ffs(info->voltage_mask) - 1;
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ret = abx500_get_register_interruptible(info->dev,
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info->voltage_bank, info->voltage_reg, ®val);
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if (ret < 0) {
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@ -502,15 +502,14 @@ static int ab8500_regulator_get_voltage_sel(struct regulator_dev *rdev)
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"0x%x, 0x%x, 0x%x, 0x%x, 0x%x\n",
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info->desc.name, info->voltage_bank,
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info->voltage_reg, info->voltage_mask,
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info->voltage_shift, regval);
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voltage_shift, regval);
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val = regval & info->voltage_mask;
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return val >> info->voltage_shift;
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return (regval & info->voltage_mask) >> voltage_shift;
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}
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static int ab8540_aux3_regulator_get_voltage_sel(struct regulator_dev *rdev)
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{
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int ret;
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int ret, voltage_shift;
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struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
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u8 regval, regval_expand;
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@ -550,13 +549,15 @@ static int ab8540_aux3_regulator_get_voltage_sel(struct regulator_dev *rdev)
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info->desc.name, info->voltage_bank, info->voltage_reg,
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info->voltage_mask, regval);
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return (regval & info->voltage_mask) >> info->voltage_shift;
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voltage_shift = ffs(info->voltage_mask) - 1;
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return (regval & info->voltage_mask) >> voltage_shift;
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}
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static int ab8500_regulator_set_voltage_sel(struct regulator_dev *rdev,
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unsigned selector)
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{
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int ret;
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int ret, voltage_shift;
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struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
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u8 regval;
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@ -565,8 +566,10 @@ static int ab8500_regulator_set_voltage_sel(struct regulator_dev *rdev,
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return -EINVAL;
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}
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voltage_shift = ffs(info->voltage_mask) - 1;
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/* set the registers for the request */
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regval = (u8)selector << info->voltage_shift;
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regval = (u8)selector << voltage_shift;
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ret = abx500_mask_and_set_register_interruptible(info->dev,
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info->voltage_bank, info->voltage_reg,
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info->voltage_mask, regval);
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@ -596,7 +599,9 @@ static int ab8540_aux3_regulator_set_voltage_sel(struct regulator_dev *rdev,
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}
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if (selector < info->expand_register.voltage_limit) {
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regval = (u8)selector << info->voltage_shift;
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int voltage_shift = ffs(info->voltage_mask) - 1;
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regval = (u8)selector << voltage_shift;
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ret = abx500_mask_and_set_register_interruptible(info->dev,
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info->voltage_bank, info->voltage_reg,
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info->voltage_mask, regval);
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@ -791,7 +796,6 @@ static struct ab8500_regulator_info
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.voltage_bank = 0x03,
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.voltage_reg = 0x80,
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.voltage_mask = 0x38,
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.voltage_shift = 3,
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},
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/*
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@ -1066,7 +1070,6 @@ static struct ab8500_regulator_info
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.voltage_bank = 0x03,
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.voltage_reg = 0x80,
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.voltage_mask = 0x38,
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.voltage_shift = 3,
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},
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/*
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@ -1127,7 +1130,6 @@ static struct ab8500_regulator_info
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.voltage_bank = 0x01,
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.voltage_reg = 0x57,
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.voltage_mask = 0x70,
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.voltage_shift = 4,
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},
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[AB8505_LDO_ANAMIC1] = {
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.desc = {
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@ -1327,7 +1329,6 @@ static struct ab8500_regulator_info
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.voltage_bank = 0x03,
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.voltage_reg = 0x80,
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.voltage_mask = 0x38,
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.voltage_shift = 3,
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},
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/*
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@ -1622,7 +1623,6 @@ static struct ab8500_regulator_info
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.voltage_bank = 0x03,
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.voltage_reg = 0x80,
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.voltage_mask = 0x38,
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.voltage_shift = 3,
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},
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/*
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@ -1724,7 +1724,6 @@ static struct ab8500_regulator_info
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.voltage_bank = 0x03,
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.voltage_reg = 0x83,
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.voltage_mask = 0xc0,
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.voltage_shift = 6,
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},
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/*
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